GROWMORE advisors PVT. LTD.

COAL PILE MANAGEMENT

Issues Prevalent in Management of Coal Piles in Mines

Ø Freshly mined coal absorbs oxygen more quickly, and is more prone to spontaneous combustion.

Ø Long-time retention of coal increases the possibility of heating.

Ø Segregation of particle sizes is a major cause of heating. As the particle size decreases and the exposed surface area increases, the tendency of the coal towards spontaneous combustion increases.

Ø Segregation of particles encourages air introduction.

Ø Limiting the height of the coal pile prevents an environment that is conducive to spontaneous combustion.

Ø Changes in the moisture content of the pile (drying or wetting of the coal) have apparent effects.

Ø Proper pile compaction, as compaction reduces the air movement within the pile.

The Recommendation for Soil Sement®

Spot sealing of the area on the coal pile utilizing Soil Sement® provides a barrier against water and air infiltration, which are critical factors in preventing spontaneous combustion. Soil Sement® protects against moisture penetration, and protects against oxidation on and within the storage pile.

Soil Sement®chemically bonds to create a resistant surface with weather-ability to wind, rain and ultraviolet light. The effectiveness comes from the length and strength of its polymers and of the molecules and their ability to bond with surface particles and to each other. Once cured, the polymer molecules in Soil Sement® form a network of tiny interconnected filaments that restrict movement. This in turn increases stability and keeps out air and water infiltration and creates the extinguishing and prevention barrier.

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