COKING COAL

Coke is a type of solid fuel. It is obtained by dry distillation of coal at a high temperature of about 1000°C. The main component is fixed carbon, followed by ash, which contains very little volatile and sulfur. It is silver gray with metallic luster. Hard and porous.

Most of its calorific value is 26380～31400kJ/kg (6300～7500kcal/kg). According to different uses, there are three types of coke for metallurgy, coke for foundry and coke for chemical industry. According to the size, there are lump coke, broken coke and scorch chips. It is mainly used to smelt steel or other metals, and can also be used as a raw material for the production of water gas, gasification and chemical industries.