Production of Tetramethyl Ammonium Hydroxide Using Bipolar Membrane Electrodialysis

被引：48

作者：

Feng, Haozhe ^{[1
]}

Huang, Chuanhui ^{[1
]}

Xu, Tongwen ^{[1
]}

机构：

[1] Univ Sci & Technol China, Lab Funct Membranes, Sch Chem & Mat Sci, Hefei 230026, Anhui, Peoples R China

来源：

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 2008年 / 47卷 / 20期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1021/ie800558m

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

To produce tetramethyl ammonium hydroxide (TMAH) at lower energy consumption and with less environmental Pollution, a bipolar membrane electrodialysis (BMED) of A-BP configuration (A, anion exchange membrane; BP, bipolar membrane) was adopted to electro-alkalize tetramethyl ammonium chloride. The results for one-unit BMED stack indicate that current efficiency increases and energy consumption decreases as feed concentration increases or current density decreases. The highest current efficiency can reach 99.9%, and the lowest energy consumption is 1.43 kWh kg(-1). On the basis of a 3-unit BMED, the process cost is estimated to be 0.33 $ kg(-1) of TMAH. This method is not only environmentally friendly but also cost-effective.

引用

页码：7552 / 7557

页数：6

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