Membrane Science and Technology

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Investigation of alumina membrane modified with boehmite for Congo red dye adsorption

Authors： JI Weiwei, WANG Zhijie, MA Jinghong, GONG Jinghua

Units： State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Material Science and Engineering, Donghua University, Shanghai 201620, China)

KeyWords： Alumina membranes; Boehmite; Hydrothermal method; Dye adsorption

ClassificationCode：TQ028.8

year,volume(issue):pagination： 2015, 35(3):57-62

Abstract：

In this work, alumina membranes were modified with boehmite layers by hydrothermal method. Multi micro- and nano-structures of flake and flower-like structural boehmites grew on the surface of the membrane. XRD, FE-SEM and FTIR were used to characterize the surface morphology of the modified alumina membranes. Pure water flux, porosity of the modified membrane as well as its adsorption and filter effects for Congo red dye were also studied. The results show that, after modification, pure water flux and porosity of the membrane decreased, but the adsorption and filtration performance for Congo red were significantly improved.

Funds：

上海重点学科建设项目（B603）Shanghai Leading Academic Discipline Project (B603)

AuthorIntro：

第一作者简介：纪惟惟(1989-)，女，硕士. E-mail: jiweiweihy@163.com 通讯作者：马敬红，教授. E-mail: mjh68@dhu.edu.cn

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