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Discovery of Welcome Biopolymers in Surface Water: Improvements in Drinking Water Production

Su, Zhaoyang ; Yu, Wenzheng ; Liu, Ting ; Li, Xing ; Graham, Nigel J.D ; Lu, Yonglong ; Wiesner, Mark R

Environmental science & technology, 2021-02, Vol.55 (3), p.2076-2086 [Periódico revisado por pares]

United States: American Chemical Society

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Título:
Discovery of Welcome Biopolymers in Surface Water: Improvements in Drinking Water Production
Autor: Su, Zhaoyang ; Yu, Wenzheng ; Liu, Ting ; Li, Xing ; Graham, Nigel J.D ; Lu, Yonglong ; Wiesner, Mark R
Assuntos: Aluminum ; Antifouling substances ; Biological properties ; Biopolymers ; Chemical properties ; China ; Chromium ; Coagulation ; Drinking Water ; Ion adsorption ; Iron ; Low concentrations ; Macromolecules ; Membrane separation ; Membranes ; Metal ions ; Nanofiltration ; Nanotechnology ; Physicochemical properties ; Pollutants ; Security ; Surface water ; Treatment and Resource Recovery ; United Kingdom ; Water Pollutants, Chemical - analysis ; Water Purification ; Water Supply ; Water treatment
É parte de: Environmental science & technology, 2021-02, Vol.55 (3), p.2076-2086
Descrição: The presence of biopolymers in surface waters and their significance for potable water supply have received little attention previously owing to their low concentrations. In this paper, we present the results of an extensive study that has investigated the role and benefits of biopolymers during the purification of surface water with reference to their specific biological and physico-chemical properties. Using samples collected from two representative surface waters in China and the United Kingdom, macromolecular biopolymers were separated and concentrated for subsequent investigation of their role in coagulation, metal ion adsorption, and membrane separation. Our results show that biopolymers significantly improve the antifouling capability of membrane nanofiltration, in combination with the enhanced conventional coagulation performance and additional security against several unhealthy metal pollutants (e.g., Fe, Al, and Cr). We believe this is the first study that reveals the versatile benefits and the fate of natural biopolymers in surface water purification processes.
Editor: United States: American Chemical Society
Idioma: Inglês

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Discovery of Welcome Biopolymers in Surface Water: Improvements in Drinking Water Production

Su, Zhaoyang ; Yu, Wenzheng ; Liu, Ting ; Li, Xing ; Graham, Nigel J.D ; Lu, Yonglong ; Wiesner, Mark R

United States: American Chemical Society

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