The existing process scheme to treat nitric acid tail gas from the washing stage of acrylon filature components in acrylon chemical Plant of Fushun Petrochemical Company was analyzed.
分析了抚顺石化公司腈纶化工厂腈纶纺丝组件清洗工序原有的硝酸尾气治理工艺方案，认为存在着较严重的硝酸损失及废气污染问题。
The article describes a new PSA (Pressure Swing Adsorption) gas separation process for removing and retrieving the valuable components from PVC fractional distillation tail gas.
主要介绍了变压吸附气体分离技术治理PVC分馏尾气并回收其中有效组分的新工艺。
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.
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。
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