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 language | English |
|---|---|
| Pages (from-to) | 960-964 |
| Number of pages | 5 |
| Journal | Journal of Hazardous Materials |
| Volume | 186 |
| Issue number | 1 |
| Early online date | 27 Nov 2010 |
| DOIs | |
| Publication status | Published - 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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