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Polymers 2018, 10(1), 19; doi:10.3390/polym10010019

Preparation and Characterization of Novel Polyvinylidene Fluoride/2-Aminobenzothiazole Modified Ultrafiltration Membrane for the Removal of Cr(VI) in Wastewater

1,2,3,†,* , 1,2,†
1,2,3,* , 1,2,3,* and 5
Key Laboratory of Water Resources and Environmental Engineering in Universities of Shandong, University of Jinan, Jinan 250022, China
School of Resources and Environment, University of Jinan, Jinan 250022, China
Shandong Provincial Engineering Technology Research Center for Ecological Carbon Sink and Capture Utilization, Jinan 250022, China
College of Chemical and Environmental Engineering, Shandong University of Science and Technology, Qingdao 266590, China
Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China
These authors contributed equally to this work.
Authors to whom correspondence should be addressed.
Received: 14 November 2017 / Revised: 18 December 2017 / Accepted: 20 December 2017 / Published: 25 December 2017
(This article belongs to the Special Issue Polymeric Membranes)
View Full-Text   |   Download PDF [5446 KB, uploaded 25 December 2017]   |  


Hexavalent chromium is one of the main heavy metal pollutants. As the environmental legislation becomes increasingly strict, seeking new technology to treat wastewater containing hexavalent chromium is becoming more and more important. In this research, a novel modified ultrafiltration membrane that could be applied to adsorb and purify water containing hexavalent chromium, was prepared by polyvinylidene fluoride (PVDF) blending with 2-aminobenzothiazole via phase inversion. The membrane performance was characterized by evaluation of the instrument of membrane performance, infrared spectroscopy (FTIR), scanning electron microscope (SEM), and water contact angle measurements. The results showed that the pure water flux of the PVDF/2-aminobenzothiazole modified ultrafiltration membrane was 231.27 L/m2·h, the contact angle was 76.1°, and the adsorption capacity of chromium ion was 157.75 µg/cm2. The PVDF/2-aminobenzothiazole modified ultrafiltration membrane presented better adsorption abilities for chromium ion than that of the traditional PVDF membrane. View Full-Text
Keywords: polyvinylidene fluoride; 2-aminobenzothiazole; ultrafiltration membrane; chromium ion polyvinylidene fluoride; 2-aminobenzothiazole; ultrafiltration membrane; chromium ion

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Wang, X.; Zhou, K.; Ma, Z.; Lu, X.; Wang, L.; Wang, Z.; Gao, X. Preparation and Characterization of Novel Polyvinylidene Fluoride/2-Aminobenzothiazole Modified Ultrafiltration Membrane for the Removal of Cr(VI) in Wastewater. Polymers 2018, 10, 19.

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