... as raw materials, made by a series finishing production process. Black, irregular, with well-developed voids, adsorption, good ... easy to operate, economical and durable.Application:1.Mainly used in metallurgy, iron and steel, petroleum, chemical, and ... field for purification, decolorization, dechlorination, deodorization;2.Also be used for drinking water, purified, water, liquor, beverage, industrial ...