Citation: Zhen Xia Huang, Xi Zheng, Ri Yao Chen, Xiao Chen, Zhen Chen. Electro-generation of TGA by Ni-mSA-mCS bipolar membrane[J]. Chinese Chemical Letters, ;2007, 18(11): 1411-1415. doi: 10.1016/j.cclet.2007.09.031 shu

Electro-generation of TGA by Ni-mSA-mCS bipolar membrane

Experiment Center, College of Chemistry and Materials Science, Fujian Normal University, Fuzhou 350007, China

Received Date: 18 April 2007

Fund Project: This work was supported by the Nature Science Foundations of Fujian Province (No.D0710009) and the Fujian Education Bureau (Nos.JB06069,JB05314).

Ni-mSA-mCS bipolar membrane (BM) was prepared by sodium alginate (SA) and chitosan (CS), which were modified by Ca²⁺ and glutaraldehyde as linking reagents, respectively. mSA-mCS membrane was characterized by FTIR, SEM, TG and used as a separator in the electrolysis cell to produce thioglycolic acid (TGA). The experiment results show that TGA was prepared effectively by electro-reduction of dithiodiglycolic acid (DTDGA) with the mixture of TGA and DTDGA in the cathodic chamber. The current efficiency was up to 66.7% at the room temperature (25℃) during the current density of 10 mA/cm². Compared with the traditional metal reduction method, the electro-reduction technology saves the zinc powder and eliminates the pollution to environment.
- Bipolar membrane,
- Modified sodium alginate,
- Modified chitosan,
- Thioglycolic acid,
- Dithiodiglycolic acid
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