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KMID : 0545120150250091542
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Journal of Microbiology and Biotechnology
2015 Volume.25 No. 9 p.1542 ~ p.1546
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Development of a Microbe-Zeolite Carrier for the Effective Elimination of Heavy Metals from Seawater
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Kim In-Hwa
Choi Jin-Ha
Joo Jeong-Ock
Kim Young-Kee
Choi Jeong-Woo
Oh Byung-Keun
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Abstract
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The purpose of this study was to investigate the potential of zeolite-supported sulfatereducing bacteria (SRB) in enhancing the removal of Cu2+, Ni2+, and Cr6+ 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. Cu2+, Ni2+, and Cr6+ 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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KEYWORD
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Zeolites, Sulfate-reducing bacteria, Carrier, Bioremediation, Heavy metal, Desulfovibrio desulfuricans
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