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- Title
Preparation and Use of Modified Clay Coagulants for Wastewater Treatment.
- Authors
Jiang, J.-Q.; Zeng, Z.; Pearce, P.
- Abstract
The modification and use of clays as coagulants for wastewater treatment were investigated in this study. The raw clays were montmorillonites K10 and KSF, and were modified by polymeric aluminium (Al) or ferric (Fe) and/or Al/Fe mixed polymeric species. The comparative performance of modified clays and aluminium sulphate and ferric sulphate were evaluated in terms of the removal of turbidity, suspended solids, UV254-abs., colour, and total and soluble CODs. The results demonstrated that after being modified with mixed polymeric Al/Fe species, two montmorillonite clays possess greater properties to remove the particles (as suspended solids) and organic pollutants (as COD and UV254-abs.) from the wastewater and to enhance the particle settling rate significantly.
- Subjects
CLAY; WASTEWATER treatment; MONTMORILLONITE; COAGULANTS; INDUSTRIAL wastes; WASTE management; WASTE products
- Publication
Water, Air & Soil Pollution, 2004, Vol 158, Issue 1-4, p53
- ISSN
0049-6979
- Publication type
Article
- DOI
10.1023/B:WATE.0000044833.75579.8b