醋酐产品杂质成分及其来源探讨  

Study on the Impurities′Composition and Source of Acetic Anhydride

作　　者：宦春林 吴劲松 王燕 梁思华 俞文骥 邹耀邦 Huan Chunlin;Wu Jingsong;Wang Yan;Liang Sihua;Yu Wenji;Zou Yaobang(Sichuan Push Acetati Co.,Ltd,Yibin 644300,Sichuan,China)

机构地区：[1]四川普什醋酸纤维素有限责任公司,四川宜宾644300

出　　处：《四川化工》2021年第2期46-49,53,共5页Sichuan Chemical Industry

摘　　要：简要介绍了用醋酸裂解制醋酐的生产工艺和原理,并通过GC-MS等分析方法,对醋酸裂解尾气以及醋酐产品中的杂质成分进行分析。根据醋酸裂解法生产工艺特点及实际生产情况,对分析出的杂质成分及来源进行了探讨,并对主要杂质含量减少或去除提出了解决办法。In this study,introduced the principle and process of acetic anhydride by cracking acetic acid.And characterized the impurities in the waste gas from cracking furnace and the acetic anhydride and by GC-MS.Based on the process and the production conditions,researched the composition of impurities and found the solutions to reduce the impurities.

关 键 词：醋酸 裂解 醋酐 杂质 

分 类 号：TQ225.23[化学工程—有机化工]