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Ash Disposal in Power Plants

From the Ashes: How to Deal With Ashes in Power Plants?

Transportation and disposal of ash in thermal power station burning high sulphur coal — Coal is the primary fuel for a thermal power plant. Few power plants burn imported coal and pet coke which contains higher quantity of sulfur. While burning this type of fuel, lime will be injected to absorb the sulfur dioxide liberated while burning the coal in order to reduce the quantity of sulfur dioxide emitted in to the atmosphere along with the flue gas. The ash generated contains Calcium sulfate and unburnt CaO.

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