Performance of ultrafiltration membrane process combined with coagulation/sedimentation-Reference-Cited by-同舟云学术

Performance of ultrafiltration membrane process combined with coagulation/sedimentation

Published:2005-03-01 Issue:6-7 Volume:51 Page:209-219
ISSN:0273-1223
Container-title:Water Science and Technology
language:en
Short-container-title:

Author:

Jang N.-Y.¹,Watanabe Y.¹,Minegishi S.²

Affiliation:

1. Department of Urban and Environmental Engineering, Faculty of Engineering, Hokkaido University, Kita-13, Nish-8, Kita-ku Sapporo, 060-0813, Japan

2. Global Environment Research Laboratory, Pioneering Research Laboratories, Toray Industries, Inc., 2-1, Sonoyama 3-chome, Otsu, Shiga, 520-0842, Japan

Abstract

Effects of coagulation/sedimentation as a pre-treatment on the dead-end ultrafiltration (UF) membrane process were studied in terms of membrane fouling and removal efficiency of natural dissolved organic matter, using Chitose River water. Two types of experiment were carried out. One was a bench scale membrane filtration with jar-test and the other was membrane filtration pilot plant combined with the Jet Mixed Separator (JMS) as a pre-coagulation/sedimentation unit. In the bench scale experiment, the effects of coagulant dosage, pH and membrane operating pressure on the membrane fouling and removal efficiency of natural dissolved organic matter were investigated. In the pilot plant experiment, we also investigated the effect of pre-coagulation/sedimentation on the membrane fouling and the removal efficiency of natural dissolved organic matter. Coagulation/sedimentation prior to membrane filtration process controlled the membrane fouling and increased the removal efficiency of natural dissolved organic matter.

Publisher

IWA Publishing

Subject

Water Science and Technology,Environmental Engineering

Link

http://iwaponline.com/wst/article-pdf/51/6-7/209/435110/209.pdf

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