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Sun S, Gao B, Yue Q, et al. Comparison of epichlorohydrin-dimethylamine with other cationic organic polymers as coagulation aids of polyferric chloride in coagulation-ultrafiltration process. J Hazard Mater. 2015;307:108-18doi: 10.1016/j.jhazmat.2015.12.049.
Sun, S., Gao, B., Yue, Q., Li, R., Song, W., Bu, F., Zhao, S., Jia, R., & Song, W. (2016). Comparison of epichlorohydrin-dimethylamine with other cationic organic polymers as coagulation aids of polyferric chloride in coagulation-ultrafiltration process. Journal of hazardous materials, 307108-18. https://doi.org/10.1016/j.jhazmat.2015.12.049
Sun, Shenglei, et al. "Comparison of epichlorohydrin-dimethylamine with other cationic organic polymers as coagulation aids of polyferric chloride in coagulation-ultrafiltration process." Journal of hazardous materials vol. 307 (2016): 108-18. doi: https://doi.org/10.1016/j.jhazmat.2015.12.049
Sun S, Gao B, Yue Q, Li R, Song W, Bu F, Zhao S, Jia R, Song W. Comparison of epichlorohydrin-dimethylamine with other cationic organic polymers as coagulation aids of polyferric chloride in coagulation-ultrafiltration process. J Hazard Mater. 2016 Apr 15;307:108-18. doi: 10.1016/j.jhazmat.2015.12.049. Epub 2015 Dec 30. PMID: 26775103.
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J Hazard Mater. 2016 Apr 15;307:108-18. doi: 10.1016/j.jhazmat.2015.12.049. Epub 2015 Dec 30.

Comparison of epichlorohydrin-dimethylamine with other cationic organic polymers as coagulation aids of polyferric chloride in coagulation-ultrafiltration process.

Journal of hazardous materials

Shenglei Sun, Baoyu Gao, Qinyan Yue, Ruihua Li, Wen Song, Fan Bu, Shuang Zhao, Ruibao Jia, Wuchang Song

Affiliations

  1. Shandong Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Jinan 250100, China.
  2. Shandong Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Jinan 250100, China. Electronic address: [email protected].
  3. Shandong Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Jinan 250100, China. Electronic address: [email protected].
  4. Jinan Water and Wastewater Monitoring Center, 250033 Jinan, China.

PMID: 26775103 DOI: 10.1016/j.jhazmat.2015.12.049

Abstract

Epichlorohydrin-dimethylamine (DAM-ECH) copolymer was acquired by polycondensation of hazardous reagents: epichlorohydrin (analytical reagent, A.R.) and dimethylamine (A.R.) with ethanediamine (A.R.) as cross-linker. Its coagulation and membrane performance as coagulation aid of polyferric chloride (PFC) was evaluated by comparing with other two cationic coagulation aids: poly dimethyl diallyl ammonium chloride (PDMDAAC) and polyacrylamide (PAM) in humic acid-kaolin (HA-Kaolin) simulated water treatment. Firstly, optimum dosages of PFC&DAM-ECH, PFC&PDMDAAC and PFC&PAM were identified according to their coagulation performance. Then their impacts (under optimum dosages) on membrane fouling of regenerated cellulose (RC) ultra-membrane disc in coagulation-ultrafiltration (C-UF) process were reviewed. Results revealed that small addition of DAM-ECH was the effective on turbidity and DOC removal polymer. Furthermore, in the following ultra-filtration process, external membrane fouling resistance was demonstrated to be the dominant portion of the total membrane fouling resistance under all circumstances. Meanwhile, the internal membrane fouling resistance was determined by residual of micro-particles(1) that cannot be intercepted by cake layer or ultrafiltration membrane.

Copyright © 2015 Elsevier B.V. All rights reserved.

Keywords: Coagulation aids; Coagulation–ultrafiltration; Epichlorohydrin–dimethylamine; External membrane fouling resistance; Membrane fouling

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