... in purificication. Coconut Shell Activated CarbonActivated carbon with high-quality walnut shells, peach shell, almond shell as raw materials ... Mainly used in metallurgy, iron and steel, petroleum, chemical, electric power, drinking water, purified water, liquor, beverage, industrial wastewater ... 3%Specific heat capacity-1.00J/g.ºC Best quality coconut shell activated carbon for water treatment