Chemically induced alterations in the characteristics of fouling-causing bio-macromolecules - Implications for the chemical cleaning of fouled membranes

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• 作者：Zhongbo Zhou^a ; ^b ; Xiang He^a ; ^b ; Minghao Zhou^a ; ^b ; Fangang Meng^a ; ^b ; ^{mengfg@mail.sysu.edu.cn}
• 关键词：Membrane fouling ; Membrane cleaning ; Chemical backwashing ; Biopolymers ; Functional groups
• 刊名：Water Research
• 出版年：2017
• 出版时间：1 January 2017
• 年：2017
• 卷：108
• 期：Complete
• 页码：115-123
• 全文大小：1893 K
• 卷排序：108

文摘

Changes in properties and structures of bio-macromolecules exposed to chemicals were studied. Consistency index, size and zeta potential of treated bio-macromolecules varied differently. Oxidants/alkali treatments destructed proteins, increased CO groups, and decreased lipids. Filterability/permeability of bio-macromolecules was improved after exposed to chemicals. This work sheds lights on chemical cleaning mechanisms in membrane technologies.