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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/12710

Title: Studies on sorption properties of pathogens on natural materials
Authors: KADAM, A
OZA, G
NEMADE, R
SURTI, A
SHANKAR, H
Keywords: waste-water
adhesion
removal
bacteria
Issue Date: 2009
Publisher: TRIVENI ENTERPRISES
Citation: JOURNAL OF ENVIRONMENTAL BIOLOGY, 30(5), 641-646
Abstract: Presence of pathogens in high numbers in waste water is a cause of concern. Techno economic feasibility has restricted the conventional and non conventional treatment approaches for pathogen removal. Despite prolific use, carbon adsorption technology remains an expensive treatment process. The present study investigates the use of rice husk (RH), sawdust (SD), groundnut shells (GS) as natural agro-residues and partially weathered deccan trap basalt (PWDTB) for their sorption capacities and desorption pattern for two indicator organisms viz. Escherichia coli K12 and Staphylococcus aureus. Sorption experiments were carded out at flow-rate of 1.5 bed volumes per hour (bv hr(-1)) for cell suspension volume of 4, 8,16 and 32 bed volumes. PWDTB have shown high sorption coefficient and log removal for E coli K12 whereas GS have shown high sorption coefficient and log removal for S. aureus. PWDTB have shown maximum desorption constant and log retention for E. coli K12 whereas GS have shown maximum desorption constant and log retention for S. aureus during desorption experiment. Retention pattern suggest that adsorption is partially irreversible for almost all the materials used. It suggest that PWDTB in combination with RH and/GS could help in removal of pathogens from waste water.
URI: http://dspace.library.iitb.ac.in/xmlui/handle/10054/12710
http://hdl.handle.net/10054/12710
ISSN: 0254-8704
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