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个人信息Personal Information
教授
博士生导师
硕士生导师
任职 : 现任大连理工大学化工学院教授、博士生导师。同时担任“膜科学与技术”期刊编委，膜学会理事（筹），膜工业协会工程与应用专业委员会及特种分离膜专业委员会委员、中国兵工学会活性炭测试分析与应用研究分会委员等。
性别：男
毕业院校：大连工学院
学位：硕士
所在单位：化工学院
学科：化学工艺. 膜科学与技术. 功能材料化学与化工
办公地点：化工综合楼A201
联系方式：微信/电话 13500711370
电子邮箱：wangth@dlut.edu.cn
A novel strategy for the removal of rhodamine B (RhB) dye from wastewater by coal-based carbon membranes coupled with the electric field
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论文类型：期刊论文
发表时间：2017-05-31
发表刊物：SEPARATION AND PURIFICATION TECHNOLOGY
收录刊物：SCIE、EI
卷号：179
页面范围：175-183
ISSN号：1383-5866
关键字：Carbon membrane; Electric field; Rhodamine B; Electrochemical degradation
摘要：A novel strategy is proposed to treat rhodamine B (RhB) wastewater by integrating the coal-based carbon membrane with an electric field. The effects of various parameters including electric field intensity, RhB concentration, and solution pH on separation performance of the treatment system are investigated. The degradation intermediates of RhB are detected by high-performance liquid chromatography/mass spectrometry (HPLC/MS). The results show the introduction of the electric field is found to be quite effective in enhancing the permeability and removal efficiency due to electrochemical oxidation. Under acidic condition, the treatment system possesses good fouling resistance to RhB molecules, and demonstrates high permeability and removal efficiency. High RhB concentration (>100 ppm) usually increases the load of the treatment system, resulting in low permeability and removal efficiency due to insufficient degradation ability. N-de-ethylated intermediates and organic acids are identified during the degradation process. Based on this result, the possible degradation pathways of RhB in the treatment system are proposed. (C) 2017 Elsevier B.V. All rights reserved.