Micellar-enhanced ultrafiltration (MEUF) was applied to the separation of phenolic compounds p-nitrophenol (PNP), p-chlorophenol (PCP), p-cresol (PC) and phenol (P) from effluents using a hydrophilic polyethersulfone ultrafiltration membrane. Cationic cetylpyridinium chloride (CPC), nonionic TX-100 and anionic sodium dodecyl benzene sulfonate (SDBS) were chosen as the surfactants. Several important parameters, i.e. the separation efficiency, the distribution coefficient of phenolic compounds and the removal ratio of surfactants, were investigated. It was shown that the separation efficiency and the distribution coefficient of phenolic compounds ascended with the increasing surfactant concentration and could be arranged as the following order: PNP > PCP > PC > P. Moreover, in the case of phenolic compound separation, CPC achieved the highest treatment efficiency, and the separation efficiency of SDBS was a little lower than that of TX-100. The removal ratios of the same surfactant when treating different phenolic effluents were nearly similar. However, when treating the same phenolic compound, the sequence of the surfactant rejection was in the following order: TX-100 > CPC > SDBS. These results indicate that CPC has a distinct superiority in the treatment of phenolic effluents via the MEUF process, and PNP easily solubilizes in the surface of the micelles.
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Research Article|
May 22 2015
Micellar-enhanced ultrafiltration for the solubilization of various phenolic compounds with different surfactants
Jin-Hui Huang;
1College of Environmental Science and Engineering, Hunan University, Changsha 410082, China and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, China
E-mail: huangjinhui_59@163.com
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Yong Zhao;
Yong Zhao
1College of Environmental Science and Engineering, Hunan University, Changsha 410082, China and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, China
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Guang-Ming Zeng;
Guang-Ming Zeng
1College of Environmental Science and Engineering, Hunan University, Changsha 410082, China and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, China
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Lei Peng;
Lei Peng
1College of Environmental Science and Engineering, Hunan University, Changsha 410082, China and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, China
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Xue Li;
Xue Li
2Department of Bioengineering and Environmental Science, Changsha University, Changsha 410003, China
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Liu-Xia Liu;
Liu-Xia Liu
1College of Environmental Science and Engineering, Hunan University, Changsha 410082, China and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, China
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Fei Li;
Fei Li
1College of Environmental Science and Engineering, Hunan University, Changsha 410082, China and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, China
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Li-Xiu Shi;
Li-Xiu Shi
1College of Environmental Science and Engineering, Hunan University, Changsha 410082, China and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, China
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Fang Yuan
Fang Yuan
1College of Environmental Science and Engineering, Hunan University, Changsha 410082, China and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, China
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Water Sci Technol (2015) 72 (4): 623–631.
Article history
Received:
December 22 2014
Accepted:
May 08 2015
Citation
Jin-Hui Huang, Yong Zhao, Guang-Ming Zeng, Lei Peng, Xue Li, Liu-Xia Liu, Fei Li, Li-Xiu Shi, Fang Yuan; Micellar-enhanced ultrafiltration for the solubilization of various phenolic compounds with different surfactants. Water Sci Technol 1 August 2015; 72 (4): 623–631. doi: https://doi.org/10.2166/wst.2015.257
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