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Study on sand plate membrane module for MBR
Authors： XU Guoliang1, FAN Yaobo1, YU Yan1, YUAN Dongdong1, YANG Wenjing1, WU Guangxia1, QIN Shengyi2, XU Yun3
Units： 1. Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; 2. Beijing Rechsand Science & Technology Group Co., Ltd, Beijing 100085, China; 3. Beijing Zhongguancun International Environmental Protection Industry Promotion Center Co., Ltd, Beijing 100080, China
KeyWords： dynamic membrane; sand plate membrane module; surface modification; membrane bioreactor; wastewater treatment
ClassificationCode：TQ028.8
year,volume(issue):pagination： 2011, 31(2):62-67

Abstract：

Membrane flux of the original molded sand plate module was quite small, less than 7 L/(m2•h), when it served as the support of self-forming dynamic membrane. To improve the membrane flux, surface modification was conducted by coating the molded sand plate module with organic membrane materials. The optimized parameters included sand sizes, the composition and the concentration of organic membrane solution. The optimal values were 50-100 mesh numbers for the sand materials, and the original concentration of PVDF for the organic membrane solution, respectively. Finally, a novel type of sand plate membrane module was developed after its surface modification. A test of a submerged MBR for pilot-scale study at 16 L/(m2•h) with this type of membrane modules was conducted, and the system performed stably. For wastewater treatment, the sand plate membrane module will be a promising material used in MBR given its high strength and long life-span.

Funds：
国家自然科学基金项目（50678168）

AuthorIntro：
徐国良（1982-），男，河北省遵化市人，中国科学院生态环境研究中心博士研究生，主要从事铸砂板式膜生物反应器开发研究，邮箱：hawk-505@hotmail.com.

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