铁锈对环氧乙烷水溶液失控反应的影响

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刘静如*，金满平，赵磊，张帆*，徐伟，石宁

中国石化安全工程研究院化学品安全控制国家重点实验室，山东青岛 266071

收稿日期:2018-05-11修回日期:2018-09-07出版日期:2018-11-22发布日期:2018-11-19
通讯作者:刘静如

基金资助:国家重点研发计划——典型危险化学品储运过程火灾爆炸防控工程示范

Effect of rust on runaway reaction of ethylene oxide aqueous solution

Jingru LIU^*, Manping JIN, Lei ZHAO, Fan ZHANG^*, Wei XU, Ning SHI

SINOPEC Research Institute of Safety Engineering, State Key Laboratory of Safety and Control for Chemicals, Qingdao, Shandong 266071, China

Received:2018-05-11Revised:2018-09-07Online:2018-11-22Published:2018-11-19
Contact:Jing-Ru LIU

摘要/Abstract

摘要： 采用绝热量热仪对环氧乙烷(EO)水溶液?铁锈/Fe2O3体系进行了绝热量热实验，得到了铁锈、Fe2O3固体与EO水溶液接触时的起始放热温度、最高放热温度和压力、绝热温升、失控反应过程温度、压力等参数. 结果表明，在实验条件下EO水溶液与现场铁锈接触时失控反应特征不明显，未出现温度、压力剧升现象；发生失控反应的起始放热温度、最高反应温度、最高压力等随EO浓度降低而减小，达到最大反应速率的时间在30 min内，30wt% EO水溶液?Fe2O3体系的起始放热温度接近100℃，纯EO?Fe2O3体系的起始放热温度为150℃. Fe2O3固体比现场铁锈对EO及其水溶液失控反应的催化诱导作用更明显，且随EO浓度升高，失控后果更严重.

引用本文

刘静如金满平赵磊张帆徐伟石宁. 铁锈对环氧乙烷水溶液失控反应的影响[J]. 过程工程学报, 2018, 18(S1): 138-145.
Jingru LIU Manping JIN Lei ZHAO Fan ZHANG Wei XU Ning SHI. Effect of rust on runaway reaction of ethylene oxide aqueous solution[J]. Chin. J. Process Eng., 2018, 18(S1): 138-145.

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