Bio Compost Fertilizer Production Process
The production of high-quality biological fertilizer project must go through two stages: aerobic fermentation stage and anaerobic fermentation stage
1、 Aerobic fermentation stage:
Aerobic fermentation is the initial stage of organic fertilizer production. It mainly reduces the water content of raw materials (livestock manure and organic materials), eliminates peculiar smell and kills pathogens, mites and other harmful organisms through the high temperature effect of 55 ° C-70 ° C for more than 5 days.
It kills weed seeds and preliminarily decomposes macromolecular organics such as fiber, protein and polysaccharide through the activities of aerobic microorganisms. This process can be flipped by a compost flipper to increase the amount of oxygen in the ventilation and accelerate the fermentation process.
Through the aerobic fermentation stage, the physiological and biochemical indexes of the fertilizer meet the national standards and can be legally marketed, but it is not a real organic fertilizer. To become a real organic fertilizer, it must go through anaerobic fermentation process.
Role of aerobic fermentation:
1. Eliminate peculiar smell; 2. Reduce moisture; 3. Kill pathogens, mites, weed seeds and other harmful organisms; 4. Preliminarily degrade macromolecular substances such as cellulose, protein and polysaccharide.
2、 Anaerobic fermentation stage:
After aerobic fermentation, all physiological and biochemical indexes of raw materials can meet the requirements of national standards, and the water content is less than 30%. However, at this time, most of the macromolecular organic matter in the fertilizer has not been decomposed. If it is used, the phenomenon of "burning seedlings" will occur because the macromolecules continue to decompose and heat.
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Therefore, it must go through the anaerobic fermentation stage. Under the action of anaerobic microorganisms, macromolecular organics such as cellulose, protein and polysaccharide can be completely decomposed into monosaccharides and amino acids, which can be directly absorbed and utilized by the human body.
Used by plant roots; More importantly, the formation of humic acid makes organic fertilizer really become a full price fertilizer rich in nitrogen, phosphorus, potassium, organic matter, humic acid and medium and trace elements.
Anaerobic fermentation:
1. Completely decompose macromolecular organics such as cellulose, protein and polysaccharide into monosaccharides and amino acids; 2. Formation of humic acid.