膜科学与技术

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Study on the preparation of Thioglycolic Acid by bipolar membrane electrodialysis

Authors： ZHANG Wei, ZHANG Li, XIE Yonggang, KANG Qiaoneng, LI Mingyang, LIU Xueliang, LOU Yufeng

Units： 1.Key Laboratory of Charged Polymeric Membrane Materials, Weifang 261061, China; 2.Weifang Vocational College, Weifang 262737, China; 3.Key Laboratory of Marine Fine Chemicals of Shangdong Province, Weifang 262737, China; 4.Shandong Tianwei Membrane Technology co., Ltd.,Weifang 261061,Chin

KeyWords： bipolar membrane; electrodialysis; thioglycolic sodium; thioglycolic acid

ClassificationCode：TQ028.8

year,volume(issue):pagination： 2021,41(5):114-120

Abstract：

In this paper, the feasibility of thioglycolic acid from thioglycolate sodium feed with a two-compartment bipolar membrane electrodialysis (BMED) device. It was found that sodium thioglycolate could be converted into high value-added thioglycolic acid and sodium hydroxide without adding other addtives and sodium salt by-products. At the same time, the production of sodium hydroxide can be reused for the purpose of resource utilization and green production. The conversion rate of sodium thioglycolate was over 98%, the current efficiency was 67.2%, the energy consumption of acid was 665.8 kW·h/t, Comparing with the traditional method, the BMED technique can simply the production process, reduce the production cost and improve the yield of thioglycolic acid.

Funds：

山东省重大科技创新工程项目（2019JZZY010511）资助；潍坊职业学院首届博士科研基金项目（潍职院教【2021】5号）第一作者简介：张委（1988-），女，山东聊城市人，硕士，中级工程师，从事电渗析应用技术开发研究.

AuthorIntro：

张委（1988-），女，山东聊城市人，硕士，中级工程师，从事电渗析应用技术开发研究.

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