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作者:

Li, Ping (Li, Ping.) | Wang, Zhan (Wang, Zhan.) (学者:王湛) | Yang, Libin (Yang, Libin.) | Zhao, Shuang (Zhao, Shuang.) | Song, Peng (Song, Peng.) | Khan, Bushra (Khan, Bushra.)

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摘要:

In this study, a novel loose-NF membrane was fabricated by coating the polyethyleneimine (PEI) layer on a hydrolyzed polyacrylonitrile (HPAN) ultrafiltration membrane, followed by phosphorylation with inositol hexaphosphate (IP6) and cross-linking process. The cross-linked network was constructed by the coordinative cross-linking of Fe (III) ion and phos-(PEI), and the electrostatic attraction of PEI and IP6. At the optimized fabricating conditions, the loose-NF membrane exhibited both high rejection to dyes and transmission to different salts. The rejections of 0.1 g/L methyl blue (MB), congo red (GR), acid fuchsin (AF) and crystal violet (CV) aqueous solutions respectively were 99.92%, 99.53%, 98.99% and 92.86%, and the corresponding fluxes were 11.54, 10.96, 11.40 and 11.76 Lm(-2) h(-1) at operating pressure of 0.2 MPa. Meanwhile, the membrane exhibited low rejections to different salt solutions with the order of MgCl2 (30.51%) > MgSO4 (20.57%) > NaCl (7.46%) > Na2SO4 (5.89%) and fluxes around 19 Lm(-2) h(-1) at 0.2 MPa. Moreover, the prepared membrane possessed high stability for dealing with biologically treated textile effluent (100 h).

关键词:

Coordinative cross-linking Phosphorylation of polyethyleneimine Loose-NF composite membrane Dye/salt separation Textile wastewater treatment

作者机构:

  • [ 1 ] [Li, Ping]Beijing Univ Technol, Dept Chem & Chem Engn, Beijing Key Lab Green Catalysis & Separat, Beijing 100124, Peoples R China
  • [ 2 ] [Wang, Zhan]Beijing Univ Technol, Dept Chem & Chem Engn, Beijing Key Lab Green Catalysis & Separat, Beijing 100124, Peoples R China
  • [ 3 ] [Yang, Libin]Beijing Univ Technol, Dept Chem & Chem Engn, Beijing Key Lab Green Catalysis & Separat, Beijing 100124, Peoples R China
  • [ 4 ] [Zhao, Shuang]Beijing Univ Technol, Dept Chem & Chem Engn, Beijing Key Lab Green Catalysis & Separat, Beijing 100124, Peoples R China
  • [ 5 ] [Song, Peng]Beijing Univ Technol, Dept Chem & Chem Engn, Beijing Key Lab Green Catalysis & Separat, Beijing 100124, Peoples R China
  • [ 6 ] [Khan, Bushra]Beijing Univ Technol, Dept Chem & Chem Engn, Beijing Key Lab Green Catalysis & Separat, Beijing 100124, Peoples R China

通讯作者信息:

  • 王湛

    [Wang, Zhan]Beijing Univ Technol, Dept Chem & Chem Engn, Beijing Key Lab Green Catalysis & Separat, Beijing 100124, Peoples R China

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来源 :

JOURNAL OF MEMBRANE SCIENCE

ISSN: 0376-7388

年份: 2018

卷: 555

页码: 56-68

9 . 5 0 0

JCR@2022

ESI学科: CHEMISTRY;

ESI高被引阀值:192

JCR分区:1

被引次数:

WoS核心集被引频次: 150

SCOPUS被引频次: 144

ESI高被引论文在榜: 0 展开所有

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