The status of VCM and acetylene gas recovery by pressure swing adsorption in vinyl chloride production units were introduced.

介绍了在氯乙烯生产装置中，采用变压吸附工艺回收精馏尾气中的VCM和乙炔气的情况。

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The amine hydrochloride is subsequently reacted with acetylene in the presence of mercury free catalysts to produce vinyl chloride.

再将有机胺的盐酸盐与乙炔反应，在非汞催化剂的作用下生成氯乙烯。

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This method was simple, rapid and accurate. The relative standard deviation and recovery were 4.0% and 99.5% respectively for vinyl chloride, and 4.6% and (99.8%) respectively for acetylene.

该方法简便、快速、准确，测定的氯乙烯相对标准偏差、回收率分别为4.0%、99.5%，乙炔相对标准偏差、回收率分别为4.6%、99.8%。

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