Granular activated carbons are mostly made from Coconut Shells on petroleum Coke, bituminous coal or lignite. Granular activated carbon is used in continuous Process in areas like water treatment (drinking & effluent water), removal of mercury from effluents or alkali cells, solvent recovery, gold recovery, removal of odor, Gas masks, as catalyst carrier, for decholorination of water, purification & separation of gases, kitchen hoods, dry cleaning etc.
 
RAW MATERIAL BASE :-
Coal based
Wood based
Coconut shell based
Rice Husk based