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Vol. 26 No. 22 (2014): Vol 26 Issue 22

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Determination of Cationic Degree for Cationic Polyacrylamide and Its Sludge Dewatering Properties

https://doi.org/10.14233/ajchem.2014.16806
Yongjun Sun
Key laboratory of the Three Gorges Reservoir Region's Eco-Environment, State Ministry of Education, Chongqing University, Chongqing 400045, P.R. China
Huaili Zheng
Key laboratory of the Three Gorges Reservoir Region's Eco-Environment, State Ministry of Education, Chongqing University, Chongqing 400045, P.R. China
Houkai Teng2
1Key laboratory of the Three Gorges Reservoir Region's Eco-Environment, State Ministry of Education, Chongqing University, Chongqing 400045, P.R. China 2CNOOC Tianjin Chemical Research and Design Institute, Tianjin 300131, P.R. China 3College of environmental science and engineering, Beijing Forestry University, Beijing 100083, P.R. China *Corresponding author: Tel./Fax: +86 23 65120827; E-mail: sunyongjun008@163.com; zhl@cqu.edu.cn
Qingqing Guan
Key laboratory of the Three Gorges Reservoir Region's Eco-Environment, State Ministry of Education, Chongqing University, Chongqing 400045, P.R. China
Yili Wang3
1Key laboratory of the Three Gorges Reservoir Region's Eco-Environment, State Ministry of Education, Chongqing University, Chongqing 400045, P.R. China 2CNOOC Tianjin Chemical Research and Design Institute, Tianjin 300131, P.R. China 3College of environmental science and engineering, Beijing Forestry University, Beijing 100083, P.R. China *Corresponding author: Tel./Fax: +86 23 65120827; E-mail: sunyongjun008@163.com; zhl@cqu.edu.cn
Wei Chen
Key laboratory of the Three Gorges Reservoir Region's Eco-Environment, State Ministry of Education, Chongqing University, Chongqing 400045, P.R. China
Wei Fan
Key laboratory of the Three Gorges Reservoir Region's Eco-Environment, State Ministry of Education, Chongqing University, Chongqing 400045, P.R. China
Yong Liao
Key laboratory of the Three Gorges Reservoir Region's Eco-Environment, State Ministry of Education, Chongqing University, Chongqing 400045, P.R. China ;National Centre for International Research of Low-Carbon and Green Buildings, Chongqing University, Chongqing 400045, P.R. China

Corresponding Author(s) : Huaili Zheng

zhl@cqu.edu.cn

Asian Journal of Chemistry, Vol. 26 No. 22 (2014): Vol 26 Issue 22

Abstract

P(AM-DAC-BA) was synthesized by ultraviolet initiation with acrylamide (AM), acryloyloxyethyl trimethyl ammonium chloride (DAC) and butyl acrylate (BA) as monomers and P(AM-DAC) was synthesized with acrylamide and acryloyloxyethyl trimethyl ammonium chloride. The polymer was characterized by Fourier transform infrared (FTIR) spectrum. Cationic degree of P(AM-DAC-BA) was determined by colloid titration and the optimum titration condition: the P(AM-DAC-BA) concentration of 1 × 10-5 - 5 × 10-5 g g-1, pH 2-3, titration rate of 0.0653-0.0719 mL s-1, addition of 2-3 drops of toluidine blue as indicator. The sludge dewatering performances of P(AM-DAC-BA) and P(AM-DAC) were also studied and both high solid content and low supernatant turbidity were achieved. The dewatering tests indicated that P(AM-DAC-BA) was better than P(AM-DAC) in sludge dewatering performance.

Keywords

Cationic polyacrylamide Colloid titration Cationic degree; Sludge dewatering
Sun, Y., Zheng, H., Teng2, H., Guan, Q., Wang3, Y., Chen, W., … Liao, Y. (2014). Determination of Cationic Degree for Cationic Polyacrylamide and Its Sludge Dewatering Properties. Asian Journal of Chemistry, 26(22), 7544–7550. https://doi.org/10.14233/ajchem.2014.16806
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