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Preparation of SAMS-CMC-CS bipolar membrane and its application in electro-generating FeO42−

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Ren Y., Chen Z., Chen R., Zheng X., Geng Y.

Open Chemistry

2007

vol. 5

issue 1

177-190

The preparation of SAMS-CMC-CS bipolar membrane grafted onto CMC by SAMS was reported. The cross-section view of SAMS-CMC-CS BM were studied by SEM. FT-IR spectrum indicated that SAMS-CMC-CS BM contained-SO 3−,-COO− and −N=CHR functional groups. Compared with CMC-CS BM, SAMS-CMC-CS BM appears to have better mechanical strength and chemical stability in alkali solution at [OH−]≥9.5 mol/L, with a swelling of 55 %. The electrochemical properties of SAMS-CMC-CS BM were also studied. SAMS-CS-CMC BM not only effectively prevented FeO 42− from diffusing into the cathode chamber, but also played an important role in the supply of OH− consumed during the electro-generated FeO 42− process. [...]

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1 Open Chemistry

1 2007

1 Chen R.

1 Chen Z.

1 Geng Y.

1 Ren Y.

1 Zheng X.

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Preparation of SAMS-CMC-CS bipolar membrane and its application in electro-generating FeO42−