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Colloid and Polymer Science
Published in: Colloid and Polymer Science 4/2006

01-01-2006 | Short communication

Removal of sulphate and phosphate from aqueous solutions using a food grade polysaccharide as flocculant

Authors: Anuradha Mishra, Malvika Bajpai

Published in: Colloid and Polymer Science | Issue 4/2006

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Abstract

The mucilage extracted from the seeds of Tamarindus indica pods, a food grade natural polysaccharide, is used as a flocculant for removal of sulphate and phosphate ions in aqueous medium. The maximum removal obtained was 73.71% for sulphate ions and 75.71% for phosphate ions after 30 min. The optimum mucilage dose was 50 mg/L for both sulphate and phosphate ions. The maximum removal was obtained at acidic pH for both the ions. A series of contact time experiments were conducted to assess the system variables such as concentrations of mucilage and ions and pH. The conductivity measurements were also done and correlated with the percent removal. This eco-friendly food grade polysaccharide was proved to be a very good flocculant for the removal of sulphate and phosphate ions.
previous article Hyperbranch-polyethyleniminated functional polymers II: effect of polyethyleniminated polyoxypropylenediamines on copper nanoparticle formation in aqueous solution
next article A one-pot approach to the preparation of silver-PMMA “shell-core” nanocomposite

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Metadata
Title
Removal of sulphate and phosphate from aqueous solutions using a food grade polysaccharide as flocculant
Authors
Anuradha Mishra
Malvika Bajpai
Publication date
01-01-2006
Publisher
Springer-Verlag
Published in
Colloid and Polymer Science / Issue 4/2006
Print ISSN: 0303-402X
Electronic ISSN: 1435-1536
DOI
https://doi.org/10.1007/s00396-005-1399-x

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