Use of Bioflocculants for Mining Environmental Control

Production, characterization and utility of bacterially-produced bioflocculants are illustrated. Three different bacterial strains, namely, Bacillus licheniformis , Bacillus firmus and Bacillus megaterium were used to demonstrate environmentally—benign bioflocculant production. The bioflocculants co...

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Bibliographic Details
Published in:Transactions of the Indian Institute of Metals 2017-03, Vol.70 (2), p.519-525
Main Author: Natarajan, K. A.
Format: Article
Language:English
Subjects:
Acid mine drainage
Aqueous solutions
Bacteria
Biosynthesis
Chemistry and Materials Science
Chromium
Corrosion and Coatings
Environmental control
Gold
Materials Science
Metallic Materials
Nanoparticles
Silver
Technical Paper
Tribology
Turbidity
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Summary:Production, characterization and utility of bacterially-produced bioflocculants are illustrated. Three different bacterial strains, namely, Bacillus licheniformis , Bacillus firmus and Bacillus megaterium were used to demonstrate environmentally—benign bioflocculant production. The bioflocculants could be effectively used for turbidity removal from aqueous solutions through rapid settling of mineral suspensions, removal of toxic metals such as arsenic and chromium and to synthesize metal nanoparticles such as silver nanoparticles for efficient removal of environment-degrading bacterial species. Biosynthesis of silver nanoparticles using bioflocculants for use in deactivating Acidithiobacillus bacteria which are implicated in the generation of acid mine drainage, is demonstrated.
ISSN:0972-2815
0975-1645
DOI:10.1007/s12666-016-1012-7