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Reducing Heavy Metal Element from Coal Bottom Ash by Using Citric Acid Leaching Treatment
MATEC Web of Conferences
Coal ash is the residue that is produced during coal combustion for instance fly ash, bottom ash or boiler slag which was primarily produced from the combustion of coal. With growth in coal burning power station, huge amount of coal bottom ash (CBA) considered as hazardous material which are normally disposed in an on-site disposal system without any commercialization purpose. Previous researchers have studied the extraction of silica from agricultural wastes such as palm ash and rice husk ashdoi:10.1051/matecconf/201710301004 fatcat:xnhfg7chibfc3njhek2f7vphxm