Dicyclopentadiene (DCPD) mostly comes from the C5 fraction of by-product which is produced in the process of preparation of ethylene by petroleum cracking and by-product of the coal-coking process.

双环戊二烯主要来自石油裂解制乙烯副产物的C5馏分和煤炭焦化副产物。

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The second demand is for metallurgical, or coking, coal.

第二种是对于冶金煤或者说焦化煤的需求。

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Coking coal is used, together with iron ore, in blast furnaces to manufacture steel.

炼焦煤用于在高炉中冶炼铁矿石生产钢铁。

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Australia accounts for almost two-thirds of global coking coal production.

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But in 2006, it embarked on a massive investment and construction project to build blast furnaces which use iron ore and coking coal to produce high-quality virgin steel for cars, ships and consumer durable goods.

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Sydney-based Riversdale has large coking coal projects in Mozambique.

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