ORIGINAL RESEARCH
Treating Dye Wastewater of Reactive Brilliant Red K-2BP by Cetyltrimethylammonium Chloride- Modified Bentonite with Polyacrylamide Flocculant
Jie Fu1,2, Yong-Jun Chen1, Jun-Yi Ju1, Qing-Shan Li1, Shu-Qing An2, Hai-Liang Zhu1,2
 
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1State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences,
2State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment,
Nanjing University, Nanjing 210093, People’s Republic of China
 
Pol. J. Environ. Stud. 2011;20(1):61–66
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ABSTRACT
We studied the removal of K-2BP from aqueous solution by cetyltrimethylammonium chloride-modified bentonite with polyacrylamide flocculant (CTAC-bentonite/PAM). The preliminary results disclose that the CTAC modification method can potentially enhance the removal efficency of bentonite and, by combination with PAM, the adsorbed bentonite can settle within a short sedimentation time. In addition, alkaline condition is favorable for the adsorption; however, temperature influence is weak. Considering the high efficiency and low cost, CTAC-bentonite/PAM could broadly extend in the treatments of dye wastewater.
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