Coking plant

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A coking plant is used to produce coke (coking coal) from metallurgical coal. Coking plants consist of coke ovens (aka coking ovens, coke furnaces, coking furnaces).[1]

Coal is needed when producing pig iron (aka hot metal) in the blast furnace (BF). However, we cannot burn the coal directly in the furnace because it contains a lot of harmful and unnecessary by-products (tar, sulfur, ammonia, napthalene, benzole, etc.). Therefore, we need to convert the coal into coke.[2]

Coal is heated to temperatures up to 1250°C in the coke ovens, in the absence of oxygen. This process is referred to as “dry distillation.” It takes about 18 hours to convert 35 tonnes of coal into 25 tonnes of coke. The coke is then transferred from the coke oven into the coke quenching tower by a pusher machine. In the quenching tower, the coke is then rapidly cooled/quenched with water, left to dry and later on, crushed.[2]

Source: Environmental Control and Emission Reduction for Coking Plants | IntechOpen

Raw Material(s):

  • Metallurgical coal


  • Coke (coking coal)


  1. Coking Plant, ScienceDirect, Retrieved on: Sep. 21, 2020
  2. 2.0 2.1 "coking plant". ArcelorMittal in Belgium. Retrieved 2021-07-12.

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Abeckford21 (talk) 23:02, 12 July 2021 (UTC)