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.
介绍了一种新的丙烯氨氧化法生产丙烯腈过程副产乙腈的连续精制工艺技术。
This article introduces a new propylene-ammoxidation process that produces acrylonitrile with acetonitrile as byproduct.
生产氢有多种方法：天然气的蒸气重整，水的电解，氨的分解，石油蒸馏和氯生产的副产品。
A protective gas generation system is adopted with dissociation of liquid ammonia to get hydrogen and air separation to get nitrogen.
生产氢有多种方法：天然气的蒸气重整，水的电解，氨的分解，石油蒸馏和氯生产的副产品。
In the production of nitrophosphates by the mixed acid process the main components of the acidulation tail gas are nitrogen oxides, and the steam condensate from evaporation contains ammonia.
过量的氯化钾和氨转移到副产品氮磷钾复合肥中，得到的产品纯度高，收率高。
Excess potassium chloride and ammonia are transferred into a by-product N-P-K compound fertilizer to obtain a product with high purity and high yield.
过量的氯化钾和氨转移到副产品氮磷钾复合肥中，得到的产品纯度高，收率高。
Excess potassium chloride and ammonia are transferred into a by-product N-P-K compound fertilizer to obtain a product with high purity and high yield.
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