产品描述
Petroleum coke is a black or dark grey hard solid petroleum product. It has a metallic luster and is porous. It is formed from tiny graphite crystals, forming granular, columnar or needle like carbon. Petroleum coke is composed of hydrocarbons, containing carbon 90 - 97%, hydrogen containing 1.5 - 8%, and containing nitrogen, chlorine, sulfur and heavy metal compounds.