Partial desalination and concentration of glyphosate liquor by nanofiltration

Ming Xie, Yanhua Xu

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)

Abstract

Partial desalination and concentration of glyphosate liquor by nanofiltration under different operation modes were investigated experimentally in this study. These operation modes were direct nanofiltration, diafiltration, dilute-diafiltration and interval washing-nanofiltration. The four different operation modes were evaluated and compared in terms of glyphosate recovery and NaCl removal. Diafiltration and dilute-diafiltration performed better than direct nanofiltration. The glyphosate loss was between 11.5% and 18.8% when the dilution factor varied from 0.4 to 0.8. Interval washing-nanofiltration alleviated the concentration polarization and membrane fouling to a certain extent. Dilute-diafiltration may be the best operation mode in terms of glyphosate recovery, salt removal and cost.

Original languageEnglish
Pages (from-to)960-964
Number of pages5
JournalJournal of Hazardous Materials
Volume186
Issue number1
Early online date27 Nov 2010
DOIs
Publication statusPublished - 15 Feb 2011

Keywords

  • Concentration
  • Desalination
  • Diafiltration
  • Glyphosate
  • Nanofiltration

ASJC Scopus subject areas

  • Health, Toxicology and Mutagenesis
  • Pollution
  • Waste Management and Disposal
  • Environmental Chemistry
  • Environmental Engineering

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