Concentration and Recovery of Coliphages from Water with Bituminous Coal

Authors: Dafale, Nishant; Lakhe, Shrikumar; Yadav, Krishnakant; Purohit, Hemant; Chakrabarti, Tapan

Source: Water Environment Research, Volume 80, Number 3, March 2008 , pp. 282-288(7)

Publisher: Water Environment Federation

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Abstract:

Coliphages represent a process indicator for fecal pollution. The coal bed concentration method prepared for enterovirus was refined for a concentration of coliphages. A bed made from 1.5 g of 120-mesh coal powder was used for concentrating coliphage from 200 mL of a water sample with or without the addition of aluminum chloride at different pH values. The isolated E. coli strain EC-R8 was found to be more susceptible to the desired coliphage and showed significant coliphage-coliform response, with clear plaque used for further studies. The complete coliphage adsorption was achieved with the addition of 0.0005 M AlCl₃ at pH 6.0. Adsorbed coliphages were eluted with 3% beef extract in Mcllvaine buffer at pH 7.1, with an average recovery of 78.74%. This concentration technique was applied for the detection of coliphages from the well water of Nagpur city (India) and found to contain coliphages in the range of 2 to 28 plaque-forming units per liter (PFU/L).

Keywords: coliphages; fecal pollution; concentration method; bituminous coal bed; beef extract in McIlvaine buffer

Document Type: Research article

DOI: http://dx.doi.org/10.2175/106143007X220923

Publication date: 2008-03-01

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Water Environment Research� (WER�) publishes peer-reviewed research papers, research notes, state-of-the-art and critical reviews on original, fundamental and applied research in all scientific and technical areas related to water quality, pollution control, and management. An annual Literature Review provides a review of published books and articles on water quality topics from the previous year.

Published as: Sewage Works Journal, 1928 - 1949; Sewage and Industrial Wastes, 1950 - 1959; Journal Water Pollution Control Federation, 1959 - Oct 1989; Research Journal Water Pollution Control Federation, Nov 1989 - 1991; Water Environment Research, 1992 - present.
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Concentration and Recovery of Coliphages from Water with Bituminous Coal

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