A METHOD FOR RECOVERY OF UNBURNED CARBON FROM FLY ASH

摘要

This invention relates to a method for recovery of unburned carbon from flyash generated by a power plant using pulverized coals. The method comprising the steps of; preparing a slurry of flyash and water and providing it in a floation cell; mixing the pulp and conditioning it with a frother and a collector by starting the impeller and keeping the pulp in suspension; passing air into the slurry maintaining a predetermined flow rate; and removing the froth containing carbon rich ash particles after floatation.