Now China has another attraction for the energy-intense chemical industry: vast supplies of coal that can replace oil and natural gas as raw materials for chemical production.

现在中国对高耗能的化学工业来说又平添了一项吸引力：中国巨大的煤炭资源可以用来代替石油和天然气用作化工生产的原材料。

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This can be used for reference for upgrading the production operation of coal chemical industry.

开发了胺法脱硫工艺故障诊断的专家系统，对提升煤化工生产操作有一定的借鉴。

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The possible methods are discussed in this paper for the coal gas recovery with chemical technology, such as low temperature separation, production of ammonia, and of methanol etc.

本文对钢铁厂副产煤气的化工利用途径进行了探讨，包括低温分离、合成氨、合成甲醇等。

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