乙腈是丙烯氨氧化制丙烯腈的主要副产物，用途很小。
The main by-product during the production of acrylonitrile is acetonitrile.
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。
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.
分析了以循环流化床锅炉副产的干馏煤气生产合成氨的技术经济可行性。
This paper analyzes technically and economically the feasibility of producing ammonia by the pyrogenous coal gas from the pyrolyzating plant with circulated fluid bed boiler.
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