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KMID : 0380020040190030200
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Korean Journal of Biotechnology and Bioengineering
2004 Volume.19 No. 3 p.200 ~ p.205
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Microbe Isolation and Optimization for the Decolorization of Reactive Dye
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Shin Jong-Chul
Choi Kwang-Geun
Jeon Hyun-Hee
Kim Sang-Yong
Lee Jin-Won
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Abstract
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For decolorization of various reactive dyes, 13 species of microbes were isolated from dyeing wastewater collected from Banweol industrial complex, Korea. Two strains among them showed good ability for removing celerity during the decolorization test with 5 different reactive dyes. And the optimal growth conditions were pH 7, 35, yeast extract as nitrogen source, glucose as carbon source, and facultative anaerobic condition. As results, when Reactive Red 180 was used, 89 and 87% of decolorization efficiency were able to be obtained by using Bacillus anthracis and Bacillus cereus, respectively. Especially, Bacillus cereus showed good ability for decolorization of Reactive Blue 21, and the ratio was 76% Finally, it was considered that these two strains isolated in this study will be showed high decolorization ability to treat dyeing wastewater.
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KEYWORD
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Anaerobic condition, biological treatment, decolorization, microbe isolation, reactive dye
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