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Development of a Microbe-Zeolite Carrier for the Effective Elimination of Heavy Metals from Seawater
Development of a Microbe-Zeolite Carrier for the Effective Elimination of Heavy Metals from Seawater
Journal of Microbiology and Biotechnology. 2015. Sep, 25(9): 1542-1546
Copyright © 2015, The Korean Society For Microbiology And Biotechnology
  • Received : April 24, 2015
  • Accepted : June 01, 2015
  • Published : September 28, 2015
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About the Authors
In Hwa Kim
Department of Chemical and Biomolecular Engineering, Sogang University, Seoul 121-742, Republic of Korea
Jin-Ha Choi
Department of Chemical and Biomolecular Engineering, Sogang University, Seoul 121-742, Republic of Korea
Jeong Ock Joo
Interdisciplinary Program of Integrated Biotechnology, Sogang University, Seoul 121-742, Republic of Korea
Young-Kee Kim
Department of Chemical Engineering, Hankyong National University, Ansung 456-749, Republic of Korea
Jeong-Woo Choi
Interdisciplinary Program of Integrated Biotechnology, Sogang University, Seoul 121-742, Republic of Korea
Byung-Keun Oh
Interdisciplinary Program of Integrated Biotechnology, Sogang University, Seoul 121-742, Republic of Korea
bkoh@sogang.ac.kr

Abstract
The purpose of this study was to investigate the potential of zeolite-supported sulfatereducing bacteria (SRB) in enhancing the removal of Cu 2+ , Ni 2+ , and Cr 6+ in contaminated seawater. Our results show that SRB-immobilized zeolite carriers can enhance the removal of heavy metals. In addition, heavy metals were generally better removed at conditions of 37°C. Cu 2+ , Ni 2+ , and Cr 6+ were effectively removed by 98.2%, 90.1%, and 99.8% at 100 parts per million concentration of the heavy metals, respectively. These results indicate that SRB-zeolite carriers hold great potential for use in the removal of cationic heavy metal species from marine environment.
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Acknowledgements
This research was a part of the project titled “Development of Sustainable Remediation Technology for Marine Contaminated Sediments” funded by the Ministry of Land, Transport and Maritime Affairs, Korea, and by the National Research Foundation of Korea(NRF) grant funded by the Korea government(MSIP) (2015R1A2A2A01007843), and by the Sogang University Research Grant of 2014 (201410057.01).
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