膜科学与技术

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Remission factors of membrane fouling for treatment of papermaking wastewater by MBR

Authors： TANGWuxiao，LI Weixing*， XING Weihong

Units： State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemistry and Chemical Engineering, Nanjing Tech University, Nanjing 210009, China

KeyWords： MBR; papermaking wastewater; aeration; GAC; membrane fouling

ClassificationCode：TQ028.8

year,volume(issue):pagination： 2016,36(2):102-107

Abstract：

With the increase of the amount of papermaking wastewater, improvement of the traditional process was imminent extremely. As a new efficient treatment process, membrane bioreactor (MBR) was able to cope with this problem commendably.However, the key to the MBR widespread application in papermaking wastewater was to reduce the membrane fouling problem. This paper aimed to study membrane fouling mitigation methods.The results showed that the effect of air and mechanical scouring could effectively alleviate membrane fouling. The purpose of reducing membrane fouling could be fully realized with the membrane surface washed when the aeration intensity reached to 1800 L/(m2·h). Adding to support medium into the bioreactorcould ensure the change of transmembrane pressure (TMP) at a low aeration. Furthermore, it reduced membrane fouling and energy consumption.

Funds：

国家科技支撑项目课题(No.2013BAE11B01)；江苏省六大人才高峰项目(2013-XCL-027)

AuthorIntro：

作者简介：唐吴晓(1989-)，男，四川自贡人，硕士，南京工业大学硕士生。主要研究方向为膜应用。通讯联系人,E-mail：wxli@njtech.edu.cn.

Reference：

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