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Bioremediation of heavy metal in pape...

Bioremediation of heavy metal in paper mill effluent using Pseudomonas spp

Submission Date : Thu, Apr 16, 2015
Acceptance Date : Mon, May 4, 2015
Publishing Date : Mon,May 18,2015
Type of Paper : Research Article
Mode of Access : Open Access
Authors Name :S.R.Paranthaman* and B .Karthikeyan
Affiliation :1. Assistant Professor, Department of Microbiology, Indo-American College, Cheyyar – 604407.2. Assistant Professor Depar Faculty of Science Annamalai University, Chidambaram – 608 002.Tamil Nadu
Country :India
Contact : paranth@scientist.com

Abstract

Heavy metals (Fe 2+, Zn2+, Pb2+, Mn2+, and Cu2) are the most toxic and common among the heavy metal pollutants of industrial effluents. In the present study, biosorption of heavy metal by some microorganisms from paper mill effluent was investigated. The efficient bacteria isolated from paper mill effluent were identified as Pseudomonas spp. The effect of pH and temperature on the biosorption capacity was investigated. The optimal pHs and temperatures were pH 7-9 and 25 – 35ºC in paper mill effluent for Pseudomonas fluorescens and Pseudomonas aeruginosa. The Fe 2+, Zn2+, Pb2+, Mn2+,and Cu2 content of the effluent was around 100 mg/L before remediation, after that the metal removal percentage was 86 and 74. The best activity was observed by Pseudomonas aeruginosa followed by Pseudomonas fluorescens.

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