Oxidative cleaning of reverse osmosis membranes during reclamation of steel wastewater
Li, Haigang1,2; Yu, Ping1; Luo, Yunbai1
2016-03-15
发表期刊DESALINATION AND WATER TREATMENT
ISSN1944-3994
卷号57期号:13页码:5687-5699
摘要Oxidants in alkaline solutions were developed to regenerate reverse osmosis membranes that had been severely fouled during the reclamation of wastewater from steel production. The cleaning efficiency and kinetics of the processes were evaluated in parallel with the fouling formation. Analysis of primary foulant constituents using scanning electron microscope (SEM)-electron-dispersive X-ray microanalysis spectrometry and Fourier transform infrared spectroscopy (FTIR) suggested that organic fouling might be dominant. Analysis of wastewater constituents using gas chromatography-mass spectrometry indicated that aliphatic acids and long chain alkanes were likely to be the predominant foulants. The cleaning efficiency increased initially, and then decreased with increasing concentrations of the oxidant. Micro-analyzed by FTIR, SEM, and atomic force microscope, the membrane integrity was not destroyed by the oxidant under the proper cleaning conditions. Surface reaction kinetic expression based on fouling resistance decline was developed to delineate the process.
关键词Oxidant Wastewater Cleaning Surface Reaction Fouling
文章类型Article
WOS标题词Science & Technology ; Technology ; Physical Sciences
DOI10.1080/19443994.2014.1003972
收录类别SCI
语种英语
关键词[WOS]NATURAL ORGANIC-MATTER ; SURFACE-PROPERTIES ; NANOFILTRATION MEMBRANES ; SODIUM-HYPOCHLORITE ; DEGRADATION ; REMOVAL ; AGENTS
WOS研究方向Engineering ; Water Resources
WOS类目Engineering, Chemical ; Water Resources
项目资助者National Science and Technology Support Program(2012BAC02B03)
WOS记录号WOS:000368690300001
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/20592
专题湿法冶金清洁生产技术国家工程实验室
作者单位1.Wuhan Univ, Coll Chem & Mol Sci, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Beijing 100864, Peoples R China
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Li, Haigang,Yu, Ping,Luo, Yunbai. Oxidative cleaning of reverse osmosis membranes during reclamation of steel wastewater[J]. DESALINATION AND WATER TREATMENT,2016,57(13):5687-5699.
APA Li, Haigang,Yu, Ping,&Luo, Yunbai.(2016).Oxidative cleaning of reverse osmosis membranes during reclamation of steel wastewater.DESALINATION AND WATER TREATMENT,57(13),5687-5699.
MLA Li, Haigang,et al."Oxidative cleaning of reverse osmosis membranes during reclamation of steel wastewater".DESALINATION AND WATER TREATMENT 57.13(2016):5687-5699.
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