Wooden Activated Carbon for Oil Decolorization: *Activated carbon decolorization *Wood and nut shell *Large volumn adsorption Wooden Activated Carbon for Oil DecolorizationThese series of activated carbon in powder form are made from ... , boracic acid, alum, carbonate, hydrogen peroxide treatment, metallurgy such as gold, silver, nickel, cobalt, Pd, uranium, food industry such as colza ...