Abstract:Water hyacinth has been used as a precursor for activated charcoal with H3PO4, KOH and ZnCl2 activators. After the activation process, the activated charcoal samples were treated without calcination and calcination at a temperature of 800 oC for one hour in an Ar gas atmosphere. Each sample of activated charcoal was characterized by N2 absorption at 77 K to determine the specific surface area, specific total pore volume and pore radius formed. From the test results, it was found that the calcination had a very… Show more
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