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Study of membrane degassing technology for HCl removal

Authors： Wenjia Zhou1, Yue Jia*, Xiaolong Lu*，Chunrui Wu, Xuan Wang, Huayan Chen, Qijun Gao

Units： State key Laboratory of Hollow Fiber Membrane Materials and Processes, Tianjin Polytechnic University, Institution of Biological and Chemical Engineering, Tianjin 300387, China

KeyWords： Membrane degassing technology; hydrochloric acid; separation efficiency

ClassificationCode：TQ028.8

year,volume(issue):pagination： 2014,34(6):72-76

Abstract：

Experiments study was carried out using the membrane degassing technology for HCl separation from hydrochloric acid solution. The effects of membrane area, the velocity of feed flow through the fiber lumen, and hydrochloric acid concentration on HCl removal efficiency were investigated, respectively. The results showed that HCl separation efficiency can be enhanced by increasing the membrane area and the feed velocity. Furthermore, lower hydrochloric acid concentration led to declined separation efficiency. Using the module with membrane area of ??1.0m2, the separation efficiency of HCl from 6mol/L hydrochloric acid solution achieved 85%, at a feed velocity of 0.12m/min and a vacuum pressure of 0.090MPa.

Funds：

国家自然科学基金青年科学基金项目(21306135)，天津市自然科学基金青年项目(13JCQNJCOS800)

AuthorIntro：

吕晓龙（教授） ; 贾悦（副研究员）

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