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MINIMUM EXPLOSIVE CONCENTRATION (MEC)| Sigma-HSE
The Minimum Explosive Oxygen Concentration in the Airborne Dust of Fossil Fuels This test is conducted to determine the minimum quantity of powder dispersed in air, as a dust cloud that will ignite. https://sigma-hse.com/dust-and-powder/minimum-explosive-concentration-mec
MINIMUM EXPLOSIVE CONCENTRATION TEST | SIGMA HSE
The minimum explosive concentration test is conducted to determine the minimum quantity of powder dispersed in air, as a dust cloud that will ignite. Working through a range of decreasing powder concentrations, the powder is dispersed into a 20L explosion vessel (sphere) using, dry compressed air. These suspended dust clouds are then exposed to a large 2 kJ chemical ignition source and any ignition and following explosion is monitored, measured and recorded. The powder concentration is reduced until ignition is not possible and the MEC established.
Know More: https://www.sigma-hse.com/process-safety-testing/dust-and-powder/minimum-explosive-concentration-mec
