ChemEqual Directory

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Organic Acid Inhibitor Rodine 92B - ChemEqual

Effective cleaning of equipment in the food processing industry is required to reduce chances for contamination of during preparation, processing, storage & serving. Cleaning prevents attraction of lower life forms like food pathogens, increases equipment life, boosts employee morale and efficiency and accounts for aesthetic considerations of consumers. The primary cleaning agent is water; free from disease producing organisms, toxic metal ions and objectionable taste & odor. But such quality of cleaning water is hard to achieve and chemicals are tailored to meet cleaner specifications based on water composition and operation type.

Acid Type Cleaners & Corrosion:

Acid cleaners are used in the food processing industry for milkstone removal and cleaning equipment like broth tanks, ingrediators etc. A wide choice of acid type cleaners for mineral scale removal exist today but organic acids and blends of organic acid type cleaners and chelating agents have found much popularity in recent times. This is because they are much less corrosive than mineral acids and alkaline cleaners. Citric acid and EDTA are frequently used for this purpose owing to a better pH regulation and less aggressive surface action.

Nevertheless, acid cleaning chemicals are corrosive to the base metal and are responsible for corrosion & pitting of surface. Inhibitors for Citric Acid descaling solution are usually applied at very low concentrations (1000-3000 ppm) to provide upto 99.8% corrosion inhibition during acid cleaning processes. Depending on the acid type used, specific corrosion inhibitors are designed to remove scales and deposits from equipment while minimizing base metal loss. They are of mostly polymeric origin and act by forming chelating structures, proving high efficiency as inhibitors in acid chemical cleaning operations.

RODINE 92B is a blend of semi-foaming corrosion inhibitors specifically formulated for preventing corrosion by Citric acid and EDTA based cleaners. It is highly efficient at protecting metal surfaces such as steel and copper alloys commonly associated with equipments in food processing and packaging industry. It has been shown to assist in surface cleaning and descaling actions by acid cleaners without any pitting or corrosion on metal surface.

With respect to the nature of industry where rodine acid inhibitors are used, toxicity issues for inhibitors is of prime concern & exposure to humans due to improper/inadequate rinsing is a possibility. Rodine 92B has been designed for such special applications and contains ingredients generally recognized safe to humans thus suitable for cleaning of food equipments.

Key product features are:

·   Modifies metal surface to prevent corrosion

·   Excellent wetting properties for better cleaning

·   Enhances cleaning efficiency

Rodine 92B is effective upto a temperature of 85°C/185°F and can be applied in all types of food processing, packaging & storage industries as inhibitor for acid cleaning systems.

ChemEqual is a global speciality chemical marketplace in New York with over 700+ manufacturers, 30K products listed, reaching 50+ countries. Search for required Speciality Chemical products and its suppliers, manufacturers or its equivalent brands from the largest database of ChemEqual.

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Nalco PermaTreat PC-191 Highly Effective RO Membrane Antiscalant - ChemEqual

Reverse osmosis is a water purification technique developed in 1950’s by US government to remove dissolved solids in saline and brackish water. The principle involves application of waterline pressure over untreated water against a semipermeable membrane. The separated H2O molecules pass through the membrane into a reservoir while contaminants remain on the other side. Over the years, RO has been extensively used for treating industrial feed water. While the primary method for demineralization is Ion exchange method, RO systems are adopted when large volumes of water need to be treated economically.

The life, efficiency & productivity of an RO Membrane water treatment system is greatly reduced due to a phenomenon called RO Membrane Scaling. During RO system operation, as the water moves through the membrane, the concentration of dissolved and suspended solids keep on increasing at the boundary layer. When the concentration exceeds saturation value, there occurs a tendency of deposition and crystallization on the membrane surface. Smaller depositions act as nuclei for more salt accumulation thus decreasing effectiveness of membranes and invoking frequent cleaning of the system. Scalants mostly include low soluble salts of calcium, barium, strontium as carbonates and sulfates and fine reactive silica crystals. Their low solubility makes them difficult to remove during cleanup processes.

Scaling can be minimized by pretreatment processes like ion exchange, chemical treatment like lime softening etc. but these incur higher costs. In some cases, acidification is practiced to remove insoluble carbonates and sulfates and most commonly Hydrochloric Acid is used. Recently, the popular choice of RO scale treatment is the use of Antiscalants. Reverse Osmosis Antiscalants are specialized chemical formulations added to the untreated feed water to increase the solubility of sparingly soluble salts that cause scaling. They mostly comprise of acrylates and phosphonates that greatly inhibit carbonate and sulfate precipitation. Since they offer an online scale protection advantage, RO Antiscalants have become an essential part of operations involving reverse osmosis systems. Such systems avoid mineral scaling and need less frequent cleaning, show greater efficacy with high permeate quality, decreased water and energy consumptions and longer operation life.

Nalco PermaTreat PC-191 is an RO Membrane Antiscalant manufactured by Nalco Company. It is a highly effective scale inhibitor engineered specifically for RO systems. It is suitable for treating brackish, highly saline and effluent feed water in RO filtration, Nanofiltration and Ultrafiltration systems. It is compatible with all types of RO membranes and can extend membrane life thus cutting down operating and maintenance costs.

Nalco PermaTreat PC-191’s characteristics can be ideally summarized as:

· Effective against scales of calcium, strontium, barium salts of carbonate, sulfate and oxide origin

·  Zero scaling in system upto 2.6 LSI

·  Cleans by dispersing particulate fouling

·  Effective even at low feed water pH  upto 5.9

·  Can be fed directly or as diluted solution in system

·  Prevents formation of Iron scales

Nalco PermaTreat PC-191 helps resolve all scaling issues in RO Filtration systems and at all instances, the costs incurred are lower than would be for Ion exchange hardness removal methods. ChemEqual is the most trusted speciality chemical global marketplace based in USA with over 700+manufacturers and 30K products listed. Search for required Speciality Chemical products and its suppliers, manufacturers or its equivalent brands from the largest database of ChemEqual.

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Rodine 213 Acid Inhibitor Supplier Exporter - ChemEqual

Most metal hot working processes tend to leave a discoloring oxide layer or scale on the surface. Deposition of inorganic impurities, stains, rust and scales from ferrous, cuprous, aluminium and precious metal mostly as oxides hinder with further processes like extrusion, rolling and galvanizing. In jewellery making, soldering and annealing processes leave metal oxide residue that prevent polishing of ornaments. Such impurities are cleaned with the help of diluted solution of acids. The method is called pickling and the work piece is dipped in a vat of acid solution popularly called “Pickle Liquor”.

Hydrochloric acid replaced the commonly used Sulfuric acid as the pickling liquor because it pickles much faster with minimum base metal loss. The aggressive chloride ion in the acid is the key to high efficiency in the cleaning process. It is used for cleaning metals with an alloy content of 6% or less. An acid inhibitor must be added to the pickling solution to prevent the metal from dissolving or becoming pitted. Such a pickling acid solution is called “Inhibited HCL” and is a blend of Hydrochloric acid solution in water (3% to 10%) and an acid corrosion inhibitor which in itself is a blend of organic compounds that adsorb on the metal surface during pickling.

Rodine 213 is a premium organic blend of keto-amine complex substitutes with non-ionic surfactants, alcohol and solvents especially designed to inhibit attack of hydrochloric acid on metal surfaces during industrial operations like cleaning and pickling. It is effective over a wide range of metal surfaces like Iron & Steel, copper and brass. Rodine 213 is a high foaming formulation with a high efficacy at dispersing grease deposits and is ideal for HCL based pickling liquor solutions especially prior to plating.

It ensures metal surface protection during processes involving elimination of lime deposits from boiler and pipework and from evaporating plants, removal of oxide deposits from iron, steel, brass and copper. Rodine 213 is free from chlorinated hydrocarbons and heavy metals like arsenic and lead. It can be synergized with Hydrochloric acid pickling in stipulated concentrations both by circulation method and by soak and rinse method. Rodine 213’s exceptional strength and commendable heat stability makes it an ideal acid inhibitor during enhancement of the pickling process by pre-heating the equipments with the inhibited acid solution. It also acts as a strong acid fume suppressant.

Its key features can be summarized as follows:

·         Modifies  metal surface to prevent corrosion

·         Easy to use

·         Excellent wetting properties for better cleaning

·         Effective fume suppression

·         Saves Zinc in galvanizing (Plating)

·         Reduces metal loss

·         Enriches strength of pickling acid bath, and reduces acid consumption

Rodine 213 has widespread industrial application in industries such as Iron & Steel, Power Station, Heavy Engineering Industries, Petrochemical & Refineries, Sugar Processing Industry, Cement, Glass & Ceramic Industries to name a few.  ChemEqual is the most trusted speciality chemical global marketplace based in USA with over 700+manufacturers and 30K products listed. Search for required Speciality Chemical products and its suppliers, manufacturers or its equivalent brands from the largest database of ChemEqual.

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NALCOOL 2000 Nitrite based Diesel Engine Corrosion & Scale Inhibitor - ChemEqual

Tropical coolants are water based need coolant additives for mineral salt suppression that may negatively affect heat transfer operations and corrode/scale inner walls of cooling systems. The Cooling System is itself a very aggressive environment and is subjected to a small volume of coolant that is propelled through the system at very high velocity at extremes of temperatures that can easily cause scaling and corrosion to metal components leading to equipment failure at any time.

 NALCOOL 2000 manufactured by NALCO is a coolant corrosion inhibitor blend made from Sodium Nitrite, Sodium Tetraborate, Sodium Metasilicate, Sodium Mercaptobenzothiazole that functions as a protective, film-forming corrosion inhibitor and scale suppressant to keep engines clean and free from scale, and reduces downtime and maintenance costs. The product protects cooling systems against corrosion, liner pitting, cavitation-erosion, mineral scale deposits and electrolysis. In addition, it helps reduce the effect of oxidizing agents that are commonly dissolved in most tropical coolants.

It has been designed for all common engine cooling systems and is ideal to protect ferrous metals, copper & its alloys, aluminium etc. as well as rubber gaskets, ‘O’rings and non-metallic components within the cooling system. NALCOOL 2000 is available in liquid form making it easy to use and apply, fully compatible with water based coolants and Mono Ethylene Glycol antifreeze. It is chromate free and has been tested internationally to maintain a high degree of heat transfer efficiency & long engine life.

 Product Features & Benefits:

- Designed to protect cast iron diesel engine cooling systems

- Contains additives to protect against sludge and mineral scale formation

- Prevents overheating

- Effective against liner pitting and cavitation erosion

- Liquid, safe & easy to apply formulation

- Not harmful to radiator or heater connecting hoses, diesel liner seals and ‘O’rings

- Recommended and used by major diesel engine manufacturers throughout the world

NALFLEET NALCOOL 2000 is the perfect corrosion & scale inhibitor for all types of heat transfer fluids in small auxiliary diesel engines containing aluminium components.

ChemEqual is a vast online specialty chemical database and NALCOOL 2000 and equivalent compositions of coolant corrosion inhibitor can be searched here from among a wide range of global suppliers.

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Premium CIP Cleaning for Food Processing equipment with NALCLEAN 8940 - ChemEqual

The simplest forms of non-toxic cleaners used in food processing industries are basically blends of mineral acids and inhibitors. Acid circulation is considered effective in removal of encrusted proteins and mineral deposits on heat treatment surfaces. HCL based cleaner for food processing industries has gained immense popularity in recent years with respect to CIP processes owing to its quick action, high solubility and easy rinsability. It can be used directly to clean or as a neutralizing solution after alkaline wash. It enhances removal of mineral deposits like hard water scale, milk stone, beer stone etc. Typical concentrations in solutions range from 30%-70% that require appropriate dilution before application based on industry, equipment, nature of contamination, topography of surfaces to be cleaned and application methods.

NALCLEAN 8940 is a carefully designed hydrochloric acid based acid cleaner with proper corrosion inhibitors and surfactant chemicals and acts as a low foaming cleaning liquid. It is a heavy duty formulation for complete removal of difficult mineral and protein base soils, water scales, corrosive depositions and hard deposits due to its surfactant based enhanced deposit penetration capacity.

Product Benefits:

-Attacks rust, scale and deposits; but not base metal

-Cleans complex equipment without dismantling

-Penetrates and disperses acid-soluble deposits

-Provides moderate foaming to minimize acid fuming

NALCLEAN 8940 can quickly remove hardness scales and metal oxide deposits from boilers, heat exchanger, condensers, evaporators, cooling jackets, process vessels, piping and other equipment with metal parts where chloride stress corrosion is not a factor, equipment commonly found in food processing plants, dairy industry and beverage sector.. It is recommended for use as an acid cleaner in all departments & establishments operating under government meat, poultry and shell egg grading and egg products inspection programs.

ChemEqual is a vast online chemical marketplace and B2B search engine where various grades of application specific acid cleaners and cleaning chemicals can be searched and enquired.

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Global Chemical Marketplace - ChemEqual

ChemEqual is a global speciality chemical marketplace in United States engaged primarily in world wide distribution and promotion of chemical products from leading manufacturers. It acts as a B2B bridge between the buyer and seller making procurement process an hassle free experience. ChemEqual since its inception has partnered with the top chemical companies in the world and recognized as a trusted chemical portal by the industry leaders from all over the world.

ChemEqual was incorporated in the year 2014 by a group of chemical consultants in New York and was officially presented in a press release on 26 February, 2016. Since then, ChemEqual has received overwhelming response from industry critics and researchers and has become the largest B2B chemical . The management comprises of a group of talented individuals from chemical studies and is headed by the CEO, Sophia Jones.

The ever increasing database of ChemEqual has about 85% of speciality chemical products available in the world consisting of several categories like drinking water chemicals, rodine acid inhibitors,corrosion inhibitor, descaling chemicals, reverse osmosis chemicals, RO antiscalant, anionic PAM,brewery chemicals,citric acid descaler,sulfamic acid descaler  and many others. ChemEqual is used by industry buyers from all over the world with its presence now in 50 countries for their monthly chemical procurement.

ChemEqual is an online marketplace open to any supplier or manufacturer of chemical products and there are no listing charges whatsoever. Sellers can register for a free account and add products that are verified and hosted on the portal. Buyers from industries like food & beverages, pharmaceuticals, agriculture, oil and gas, iron and steel, construction, etc around the world uses the search tool available at website to find chemical equivalents and place their purchase requisition accordingly.

ChemEqual has developed one of the most efficient search tool to find speciality chemical and its equivalents in a few clicks. The vast database of ChemEqual consists of over 30000 speciality chemicals which can be searched by brand name, chemical compound, generic chemical category. There are over 700 verified speciality chemical manufacturers and suppliers already active in ChemEqual. It is used by them for distribution and promoting their products and brands across the globe. Apart from its headquarter at New York, ChemEqual has also opened up offices in United Kingdom, Canada and is now expanding its physical presence in different other countries of Europe and Asia.

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WHAT MAKES RODINE 213 THE BEST ACID INHIBITOR FOR OVER TWO DECADES

Rodine 213 has remained the most popular choice till date for Hydrochloric Acid pickling and plant cleaning.

Hydrochloric acid replaced Sulfuric acid as the pickling liquor since it pickles substantially faster with minimal base metal loss. The highly reactive chloride ion in the acid is the reason for high efficacy in the cleaning procedure. It is utilized for cleaning metals with alloy content of 6% or less. An acid inhibitor must be added to the pickling solution to keep the metal surface from dissolving or getting pitted. Such pickling acid inhibited liquor is called "Inhibited HCL" and is a mix of Hydrochloric acid solution in water (3% to 10%) and an acid corrosion inhibitor which in itself is a mix of natural and synthetic chemicals that adsorb on the metal surface during pickling.

Rodine 213 is a superior synthetic blend of keto-amine complex substitutes with non-ionic surfactants, alcohols and solvents particularly intended to restrain hydrochloric acid corrosion on metal surfaces during modern operations like surface cleaning and pickling. It is effective over an extensive variety of metal surfaces like Iron and Steel, copper and metal. Rodine 213 is a high foaming anti-corrosion additive with a high viability at dispersing oil and grease and is perfect for HCL based pickling liquor systems particularly before plating.

It guarantees metal surface protection during procedures including lime scale removal from kettle and pipework and from evaporating plants, removal of oxide residue from iron, steel, metal and copper. Rodine 213 is free from chlorinated hydrocarbons and heavy metals like arsenic and lead. It can be synergized with Hydrochloric acid pickling in stipulated dozes both by circulation method and by drench and flush operations. Rodine 213's exceptional quality and thermal stability makes it a perfect acid corrosion inhibitor for improvement of the pickling procedure by pre-warming the liquor bath with the inhibited acid system. It additionally works as an excellent acid fume suppressant.

Its key components can be summarized as follows:

•          Modifies metal surface to prevent corrosion

•          Easy to apply

•          Excellent wetting properties for better cleaning

•          Effective acid fume suppression

•          Saves Zinc during Plating

•          Reduces metal loss

•          Enhances quality of pickling acid bath, and decreases acid consumption

Rodine 213 has boundless modern applications in enterprises like Iron and Steel, Power Station, Heavy Engineering Industries, Petrochemical and Refineries, Sugar Processing Industry, Cement, Glass and Ceramic Industries to name a few.

ChemEqual is the largest online database and trusted chemical marketplace for Rodine and similar corrosion inhibitors can easily be found and enquired here.

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Sanosil - Hydrogen Peroxide with Silver as an all purpose disinfectant at ChemEqual

Hydrogen Peroxide has long been known for its oxidizing capabilities. But, its unstable nature made it highly unsafe and short lasting. Use of Silver as stabilizer and activator is the ideal solution to this problem. Silver stabilized hydrogen peroxide is efficiently used for soil fumigation, air sanitation, water disinfection, even surface disinfection. Silver with antimicrobial properties and the intense oxidizing effect of H2O2 can be used as an eco-friendly and powerful disinfectant with an assortment of utilizations.

Sanosil-Silver H2O2 is the only EU Biocide Article 95 compliant Hydrogen Peroxide/Silver based disinfectant approved for use in the UK by the HSE and NHS and used widely by the water treatment sectors, decontamination sectors as well as home care, hospitality and pharmaceutical sectors worldwide. The product is specified by the NHS to combat MRSA. The unique disinfection properties of silver stabilized hydrogen peroxide are intrinsically and environmentally safe to use in medical, clinical and most other built environments.

Sanosil disinfectant works in a combined 2-phase effect of the main ingredients. The nascent oxygen from hydrogen peroxide attacks cell walls of microorganisms upon direct contact. Nascent oxygen denaturizes the cell wall and disrupts cytoplasm stability. This effect is boosted by silver ions that disrupt protein activities associated with reproductive and metabolic systems and deactivates them resulting in rapid cellular degradation and microbial death.

Silver H2O2 disrupts the cellular membrane of microorganisms and attacks internal cell structure and processes. H2O2 decomposes into water and oxygen (2H2O2 -->2H2O+O2) and traces of nano silver form residue on the disinfected surface. These silver traces are invisible and non-toxic but actively and effectively counteract re-germination and re-growth.

Common disinfectants in the market focus their effect on one single point of attack which may be sufficient to kill germs in the short term however; monovalent biocides result in evolution of resistant germ strains and become increasingly ineffective over time. Sanosil is regarded as “smart” technology and less problematic as it does not allow development of resistance.

To date and based on ongoing worldwide studies, there is no human pathogen that has managed to develop a resistance to Sanosil.

Sanosil range of formulations for professional use is predominantly preferred as:

-  surface cleaner

-  low level water system continuous dosing agent

-  water distribution system treatment for bio-film removal

-  dental chair unit (DCU) waterline additive

 The available formulations are:

Sanosil S003 (1.5% H2O2): Fogging aerosol disinfectant for low level germ loads

Sanosil S006 (3% H2O2):  Fogging aerosol disinfectant for moderate level germ loads

Sanosil S010 (5% H2O2): Fogging aerosol disinfectant for high level germ loads and particularly effective in combating bacteria, viruses, yeasts, mildew, fungi, molds spores and malodorous smell.

As per the EEC, WHO, and the USEPA, Sanosil silver hydrogen peroxide represents no health threats to people. Even Switzerland, France, Australia and Germany have approved silver hydrogen peroxide for drinking water sanitation.

ChemEqual is a vast B2B online database where all types of silver hydrogen peroxide based disinfectants and their equivalents can be found easily.

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HUWA SAN TR50 Stabilized Hydrogen Peroxide for Modern Water Treatment Systems - ChemEqual

Clean Water is essential to sustain life, and it forms one of the most demanded consumer commodity as well as service throughout the world. Treated water is a critical environmental, agricultural and public health issue. Providing safe water is necessary for human health and development and global awareness of this issue is rising. The presence of bacteria, microbes and pathogen is a concern when considering the safety of drinking water. Meeting the goal of clean, safe drinking water and to protecting source water from contamination is crucial for a healthy society.

Huwa San TR 50 is an aqueous solution of Hydrogen Peroxide stabilized with colloidal silver and other stabilizing materials. It is a wide spectrum oxidizing biocide for water treatment and decontamination from slime, bacteria, virus, molds, algae and other water borne pathogens typically grow in reservoirs, on the walls of transmission water mains and in storage tanks, pipes etc. It is particularly suited to modern water system hygiene management where conventional treatment methods are not viable.

Huwa San TR50’s hydrogen peroxide based disinfectant formulation also destroys hydrogen sulfide and removes ammonia and other nitrogenous compounds that have unpleasant tastes and hinder disinfection. The addition of Silver ions provides residual disinfection qualities to protect the water from waterborne disease throughout the distribution system from treatment plant to the consumer's tap. It is odorless, tasteless, and colorless and is effective in both clear and cloudy water with rapid results. It is highly effective irrespective of temperature and pH variations.

 Huwasan is:

- approved for use in public water supplies

- effective against legionella

- effective against pseudomonas

- effective against all bacteria and algae

- non-foaming

- compatible with other cooling tower chemicals

- penetrates and removes bio-films

- Eco-friendly: breaks down into water and oxygen— no neutralization required in disinfecting tanks.

ChemEqual is the largest global database for all sorts of chemicals and Huwa-San TR50 and similar biocides and water treatment chemicals can be easily found and enquired here.

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Effective Sulfuric Acid Pickling with Rodine 85 - ChemEqual

Long term use of metal components in industries often makes them susceptible to formation of rust and surface distortion by scaling. In order to maintain surface quality and remove rust, acid treatment is employed. The metal parts are dipped in acid baths to oxidize and remove hard scales and rust layers. But since all acids have a corroding tendency with metals, acid treatment forms a root cause for concern particularly due to abrasive and corrosive loss of precious base metal leading to surface pitting and distortion.

Acid inhibitors are administered in acid pickling baths to prevent loss of base metal after proper pickling. It also helps to extend the life of acid baths. Using of inhibitor in acid solution limits the acid attack on base metal, therefore minimizing base metal loss. A potent acid inhibitor helps to alleviate acid attack on the base metal once the scale has been removed, lending protection to the surface and optimizing acid utilization.

Rodine 85 serves as a soluble, low foaming, liquid corrosion inhibitor formulated for use in conventional sulfuric acid pickling operations. It is an amalgamation of 1,3-Diethyl Thiourea, Formaldehyde, substituted Triazine & O-Toluidine, Propargyl Alcohol and detergent. Rodine 85 is effective on any type of steel, and can be used at any acid concentration. Rodine 85 is an effective inhibitor for phosphoric and acetic acids, as well as sulfamic, citric, oxalic, and sodium bisulfate solutions in pickling and industrial cleaning operations.

Rodine 85 dosage greatly depends on the type of metal, the temperature of operation and the sequence of cleaning operation. The recommended amount of Rodine 85 to be used for pickling is always given in percent by volume of the concentrated acid, regardless of the degree of acid dilution used. RODINE 85 should be used at a concentration ranging from 0.05 to 0.30 percent by volume of the diluted acid regardless of the degree of acid dilution used. In addition, it is recommended that Rodine 85 inhibitor be used at a concentration not less that 0.5% by volume of the concentrated liquid acid or not less that 0.5% by weight of the concentrated solid acid, regardless of the temperature of the industrial cleaning operation.

ChemEqual is the largest online database for chemicals and their equivalents and Rodine Acid Inhibitors can be easily searched and enquired here.

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Rodine 2010 Corrosion Inhibitor for Boiler Chemical Cleaning

Boiler systems and pipelines associated with power plants and heating systems often face the problem of mineral scaling on the inner linings and transmission bends. This is mainly due to the residual hardness of the coolant water used. While treated water is essential, minute traces of partially soluble salts of calcium, magnesium, strontium, as well as due to silica and ferrous oxides. While scaling may lead to choking and rupture of transmission pipes, oxidation due to unregulated pH of boiler feed water can result in corrosion and pitting of metal. Thus various boiler scale removal chemicals are employed to clean and maintain optimum operation efficacy of boiler systems.

The two primary choices include Ammoniated EDTA and Ammoniated Citric acid for cleaning. They are both weak organic acids and remove mineral scales and oxides by oxidation and metal ion chelating. But as the case with all metal-acid processes, acids often corrode and cause damage to metal surfaces. And damaged/abraded inner linings of boiler pipes have a risk of exploding at high water temperature and pressure. Thus appropriate acid inhibitors are needed to limit the acid attack on base metal, therefore helping check economic loss and ensure safety.

Rodine 2010 is by far the most popular choice as corrosion inhibitor for chemicals used in boiler cleaning. It is a low toxicity, non-flammable, highly soluble low viscosity liquid metal loss inhibitor for use in tetra ammoniated EDTA and tetra ammoniated Citric acid cleaning solutions. Rodine 2010 not only minimizes ferrous metal loss during chemical cleaning of power plant boilers but also effectively prevents pitting and crevice corrosion of metal surface. Rodine 2010 has a maximum operating temperature of 350°F when used with EDTA and 200°F when used with Citric acid cleaning solution with an operational life of 24 hours. Laboratory testing has confirmed that it is more soluble than other commercial inhibitors at elevated pH and advantageously permits post-oxidation and dissolution of metallic copper deposits at significantly higher rates than other commercial corrosion inhibitor chemicals.

ChemEqual serves as the largest online database of chemicals and their equivalents and Rodine Acid Inhibitors from various global suppliers and manufacturers can be found and enquired here.

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Rodine 31A Corrosion Inhibitor to limit acid attack on base metals - ChemEqual

Formulated with an acidic blend of complex alkyl pyridines, 1, 3-diethyl thiourea, Rodine 31A serves as an aliphatic nitrogen corrosion inhibitor that provides protection to brass, steel and copper metals against the attack of sulfuric, phosphoric, sulfamic, formic acid, acetic oxalic acid, citric acid, bisulfate solution and mixtures thereof and conditionally for hydrochloric acid solutions. Rodine 31A Corrosion Inhibitor presents itself as a chloride free inhibitor. It has a maximum operating temperature of 180°F. It imparts excellent pickling and modifies the metal surface to help in the prevention of corrosion.

Acidic treatment is important in providing protection to the metals used in the industries against scaling and rusting. This acid treatment is mostly carried out variously to assist in the eradication of scale and rust but instead & often triggers abrasion of metals as they exhibit corrosive properties. This process not only influences the metal properties but also causes loss of base metals after acid solution pickling. Acidic Corrosion often causes gradual wearing off of material by acidic compounds.

This acidic corrosion is an electrochemical process which is directed by the diffusion of moisture, oxygen and availability of acidic pollutant on the metal surfaces. This brings about the requirement of acid inhibitors to aid in limiting the acid corrosion on base metal, therefore helping reduce the economical loss in several industrial sectors. The type and concentration of the corrosion inhibitor used is generally derived based on the type and properties of the metal to be protected and the conditions under which the metal is to be treated. Rodine 31A Corrosion Inhibitor is an acid inhibitor specifically to protect metals from corrosion by organic and mineral acids

Features:

-Single product for multiple acids

-Helps in imparting excellent pickling

-Modifies metal surface to prevent corrosion

-Chloride free and is easily soluble with all acid concentrations

ChemEqual is the largest online directory of chemical suppliers, consisting of a vast database of manufacturers & suppliers that deal with trading of Rodine 31A Corrosion Inhibitor or other acid corrosion inhibitor products.

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DOWCAL 200 Inhibited Propylene Glycol-based Heat Transfer Fluid

Propylene glycol, also known as Propane-1,2-diol is used as a heat transfer fluid and antifreeze, particularly as a low corrosion non-toxic substitute to ethylene glycol based cooling systems. In aluminium based cooling systems like HVAC/R, propylene glycol has shown efficacy comparable to ethylene glycol.

 Benefits of PG:

-Low freezing point

-The ability to decrease the freezing point of water

-Burst protection

-Low mammalian toxicity

-Low flammability

-Excellent heat transfer properties

-A high boiling point, low vapor pressure

Water based fluids expand in volume when they freeze, causing rupturing of pipes and containment vessels. Ethylene glycol has severe toxicological and environmental implications making it unsuited for cases of human exposure. Water-PG mixtures in low temperature conditions do not create extra pressure on vessel walls and in case of leakage, they are not hazardous. This makes Propylene glycol the ideal active ingredient as heat transfer fluid in industrial systems.

DOWCAL 200 manufactured by DOW Chemicals is propylene glycol based heat transfer fluid antifreeze that has a wide range of application.  It has been formulated to operate at temperatures higher than what ordinary glycol fluids can. It has a low acute oral toxicity and includes a specially designed inhibitor package to prevent corrosion of common materials used in HVAC, Food beverage processing, solar power plants etc.

Applications:

·         Single fluid process heating and cooling

·         Closed-loop water based heating & air conditioning systems

·         Food and brewery industry

·         HVAC systems

·         Pharmaceuticals

·         Secondary cooling and heating

·         Freeze and Burst protection

·         Renewable energy systems

 ChemEqual is a unique online chemical and equivalents database and B2B marketplace where Propylene Glycol based antifreeze like DOWCAL 200 and its equivalents can be easily searched and enquired here.

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RODINE 92B Acid Inhibitor for Food Processing equipment cleaners - ChemEqual

Effective cleaning of equipment in the food processing industry is required to reduce chances for contamination of during preparation, processing, storage & serving. Cleaning prevents attraction of lower life forms like food pathogens, increases equipment life, boosts employee morale and efficiency and accounts for aesthetic considerations of consumers. The primary cleaning agent is water; free from disease producing organisms, toxic metal ions and objectionable taste & odor. But such quality of cleaning water is hard to achieve and chemicals are tailored to meet cleaner specifications based on water composition and operation type.

Acid Type Cleaners & Corrosion:

Acid cleaners are used in the food processing industry for milkstone removal and cleaning equipment like broth tanks, ingrediators etc. A wide choice of acid type cleaners for mineral scale removal exist today but organic acids and blends of organic acid type cleaners and chelating agents have found much popularity in recent times. This is because they are much less corrosive than mineral acids and alkaline cleaners. Citric acid and EDTA are frequently used for this purpose owing to a better pH regulation and less aggressive surface action.

Nevertheless, acid cleaning chemicals are corrosive to the base metal and are responsible for corrosion & pitting of surface. Inhibitors for Citric Acid descaling solution are usually applied at very low concentrations (1000-3000 ppm) to provide upto 99.8% corrosion inhibition during acid cleaning processes. Depending on the acid type used, specific corrosion inhibitors are designed to remove scales and deposits from equipment while minimizing base metal loss. They are of mostly polymeric origin and act by forming chelating structures, proving high efficiency as inhibitors in acid chemical cleaning operations.

RODINE 92B is a blend of semi-foaming corrosion inhibitors specifically formulated for preventing corrosion by Citric acid and EDTA based cleaners. It is highly efficient at protecting metal surfaces such as steel and copper alloys commonly associated with equipments in food processing and packaging industry. It has been shown to assist in surface cleaning and descaling actions by acid cleaners without any pitting or corrosion on metal surface.

With respect to the nature of industry where rodine acid inhibitors are used, toxicity issues for inhibitors is of prime concern & exposure to humans due to improper/inadequate rinsing is a possibility. Rodine 92B has been designed for such special applications and contains ingredients generally recognized safe to humans thus suitable for cleaning of food equipments.

Key product features are:

·         Modifies metal surface to prevent corrosion

·         Excellent wetting properties for better cleaning

·         Enhances cleaning efficiency

Rodine 92B is effective upto a temperature of 85°C/185°F and can be applied in all types of food processing, packaging & storage industries as inhibitor for acid cleaning systems.

ChemEqual

is a online global chemical marketplace for Acid Inhibitors where Rodine type & its equivalent inhibitors can be found.

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NALCOOL 2000 - Automobile Coolant Corrosion Inhibitor

Corrosion and scaling in automobile cooling systems is primarily by chemical reaction of oxidizing agents in the coolant on the metal components. The type and nature of materials present at heat exchanging surfaces, the temperature of the system, pH and type of corrosive elements present in the coolant determine the type of inhibitor package needed.

Conventional water based coolants constantly need additives in the form of mineral inhibitors such as phosphates, nitrites and borates for poplar heat exchange surface metals like aluminium, copper etc along with other parts made from cast iron & mild steel. Absence of suitable inhibitors can cause corrosion, metal cavitation, scaling and cause leaks by destruction on rubber gaskets and head caps. Liquid coolant additives serve ideally as easy to use blends that can be directly mixed with coolant water for easy and quick anticorrosive action on coils, coolant pump and radiator fins.

Corrosion inhibitors are generally blends of chemicals added to the coolant water to reduce material loss and system damage due to oxidation. The prerequisite is a passivation agent to coat the metal surfaces preventing further corrosion followed by neutralization of oxidizing ions in the coolant thus reducing cavitation. Best corrosion inhibitors need to be fast acting and thermally stable so as to operate at high temperatures and high coolant flow rate. Nitrite, Borate, Silicate and Polyacrylate formulations seem to be the most popular as corrosion and rust inhibitors. This is due to the fact that they are able to remove most oxidizing agents in common coolants while passivating metal surfaces for a long lasting corrosion control. The only requirement is to keep a steady inhibitor concentration in the system.

NALCOOL 2000 manufactured by Nalco Company is a synergized inhibitor blend for metal passivation and sale suppression as a water soluble corrosion inhibitor. It has been designed for all common engine cooling systems and is ideal to protect ferrous metals, copper & its alloys, aluminium etc. as well as rubber gaskets and non-metallic components within the cooling system. NALCOOL 2000 is available in liquid form making it easy to use and apply, fully compatible with water and ethylene glycol based coolants. It does not contain chromates and has been tested internationally to maintain a high degree of heat transfer efficiency & long engine life.

Outstanding features of the product include:

-Protection of all common cooling system metals

-Cavitation protection

-Minimized sludge and scale formation

-Liquid, safe & easy to apply formulation

-Compatible with wide range of coolants and dyes

-Approved by all leading automobile engine manufacturers

NALCOOL 2000 is the perfect corrosion & scale inhibitor for coolants in small auxiliary diesel engines containing aluminium components.

ChemEqual is a vast online specialty chemical database and NALCOOL 2000 as well as equivalent compositions of coolant corrosion inhibitors can be found here from among a wide range of global suppliers.

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NALCLEAN 8940 - HCL Based Cleaner For Food Processing Industry

Food Processing, beverage and dairy industry have recently shown a major interest in Clean-in-Place processes due to increased demands from customers in CIP verification and improvements in hygiene standards, product quality shelf life and microbiological consideration. While microbial contamination requires use of sanitizers and disinfectants, pre-processing like pasteurization etc, removal of mineral scaling, food layering and organic depositions can be easily met with cleaning solutions specifically designed for the purpose.

CIP involves the jetting of surfaces or circulations with an appropriate cleaning solution under increased turbulence and flow velocity.  Cleaning solutions so chosen should be active at contaminant removal from any and all types of surfaces without being corrosive to the materials themselves, non toxic and non-residual formulations that can be easily washed off and do not create issues with ultimate quality of food products produced. CIP easily shortens time for cleaning and often cleaning solutions are recoverable. When incorporated in automatic systems, they allow safe and reproducible results that are economic and product friendly.

The simplest form of non-toxic cleaners are basically blends of mineral acids and inhibitors. Acid circulation and spraying is effective in removal of encrusted proteins and mineral deposits on heat treatment surfaces.  Hydrochloric acid seems to be the easy and convenient choice for CIP processes owing to its quick action and high solubility. It can be used directly to clean or as a neutralizing solution after alkaline wash. It enhances draining and drying of pipelines, better bacteriostatic action and removal of mineral deposits like hard water scale, milk stone, beer stone etc. Typical concentrations in solutions range from 30%-70% that require appropriate dilution before application based on industry, equipment, nature of contamination, topography of surfaces to be cleaned and application methods.

NALCLEAN 8940 is a hydrochloric acid based acid cleaner. Manufactured by Nalco Company, it is a blend of Hydrochloric Acid (30%-60%) as a low foaming cleaning liquid that is slightly brown in color. It is a heavy duty formulation for complete removal of difficult mineral and protein base soils, water scales, corrosive depositions and hard deposits from pipelines, pasteurizers, evaporators, vats, tanks, coolers and other stainless steel equipment normally found in food processing plants. NALCLEAN 8940 has slight pungent odor with a low 1.5 pH, high solubility in water and good thermal stability. It is compatible with an array of metal and non-metal surfaces when used in recommended concentrations, cost effective as its effective even at lower concentrations compared to other cleaners, a good neutralizer for surfaces pre-treated with alkaline cleaners and easily adapts to all CIP application and feeding systems.

ChemEqual is a vast online chemical marketplace and B2B search engine where various grades of application specific acid cleaners can be searched.

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Aquaculture Disinfectants: Types and Uses

Disinfection is a common disease management tool for aquaculture sector. It can be both a routine bio-security practice to prevent specific diseases or a routine sanitation process to reduce overall occurrence of diseases that may lower farm productivity. The nature and mode of disinfection greatly varies with the specific reason that leads to disinfection practices. The most commonly practiced approach is chemical treatment in specified doses and for sufficient retention periods to destroy pathogenic organisms that would otherwise access the water systems repetitively.

In aquaculture systems, the threat of cross contamination is prevalent between fauna in the same tank as well as between water holdings, both in fish and crustacean farming. In addition, use of disinfectants is not possible in open systems owing to environmental impacts of chemicals in natural waters and in case of seawater; there is risk of residual oxidant by-products due to chemical reactions with salts in water. Thus disinfectants can be applied safely and most conveniently only to hatcheries and incubation tanks.

Since most aquatic species are highly sensitive to toxic chemicals and the disposal of such waters threatens to contaminate natural water bodies, it is highly needed that a “safe” product be used for disinfection. The term “safe” implies to toxicity tolerance by farm as well as wild aquatic organisms. Thus only a few chemicals can truly adhere to the properties of ideal aquaculture disinfectants in real practice. Some disinfectants are effective against a large range of microorganisms: bacteria, viruses, fungi and parasites. In addition some chemicals are selective biocides to certain strains of exotic eutrophic microalgae. While some disinfectants can work on a short term before the microbes grow resistant to them. Thus the choice of disinfectant and methods of disinfection should be based on the spectrum and ease of application as well.

Requisites of an ideal Disinfectant are summarized herein:

-Should have a wide spectrum antimicrobial activity

-Should not be irritating to aquatic organisms or humans

-Should have minimal toxicity to non target organisms

-Should have high penetrability

-Should be active in presence of Pus and Necrotic Tissue

-Should be non-interfering with normal immunity of fishes

-Should be cost friendly

-Should be non corrosive and non staining

-Should be highly stable

-Should be biodegradable with nil/minimum bio-accumulation potential

Disinfectants can be classified based on their mode of activity as:

1.       Oxidizing Agents

2.       Reducing agents

3.       Detergents

Oxidizing Disinfectants can again be of two types:

a)      Those that oxidize without releasing oxygen, most common being Halogen bleachers and Potassium Permanganate and Peracetic Acid

b)      Those that oxidize by release of nascent oxygen i.e. Peroxides

They are mostly used to control phytoplankton, pathogens and bottom soil oxidants. Most oxidizing agents are irritant to skin and eyes in high concentrations and except for chlorine, most don’t have long bioaccumulation potential thus non contaminants to food.

Reducing agents consist of organic aldehydes like Formaldehyde and Glutaraldehyde that are popular general disinfectants used as germicide, fungicide or as preservatives in industries. Their main mode of action is by formation of covalent bonds and disruption of functional groups in cellular proteins. They are thus target specific and can be easily applied in selective removal of microbial contaminants. Aldehyde disinfectants are non-irritant, readily biodegradable and do not possess bioaccumulation risks.

Detergents or popularly referred to as Cationic detergents are Quaternary ammonium compounds (Benzalkonium Chloride) that are used I hatcheries to eradicate aquatic insect larvae and nematodes. They are active in disruption of cell membrane and destruction of cytoplasm and cell nuclear material. They are highly active against Gram negative bacteria. There are no known records of reactive products not degrading or chances of bioaccumulation in environment as of yet.

Irrespective of the mode of application and action most aquaculture disinfectants listed above seem to be highly effective in their respective treatment domain but choice of the same lies totally on the users end needs of disinfection and the type of pathogen to be controlled.

ChemEqual is a vast online chemical B2B marketplace and various grades and compositions of specific Aquaculture Disinfectants and Biocides can be searched here.