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Journal of the Korean Chemical Society (JKCS)

ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 51, Number 2
JKCSEZ 51(2)
April 20, 2007 

Enhanced Degradation of Quinoline by Immobilized Bacillus Brevis

고정화된 Bacillus Brevis에 의한 큐놀린 분해의 증가
Balasubramaniyan. S, Swaminathan. M.*

Balasubramaniyan. S, Swaminathan. M.*
고정화, Bacillus brevis, 생분해, 큐놀린, 코코넛 껍질 탄소 , Immobilization, Bacillus brevis, Biodegradation, Quinoline, coconut Shell Carbon
유리 및 고정화된 Bacillus brevis에 의한 큐놀린의 분해를 조사하였다. 코코넛 껍질 탄소에 고정화된 Bacillus brevis에 의한 큐놀린 분해 속도는 폼조각에 고정화되었거나 유리된 미생물에 의한 속도보다 빠르다. 시료에 존재하는 큐놀린 100 ppm을 완전히 제거하기 위해서는 코코넛 껍질 탄소에 고정화된 Bacillus brevis로 만든 생촉매를 물속에서 20시간 유지시키면 되었다. 이 생촉매는 꽤 긴 보존기간과 적절한 재생력을 가지고 있었다.

Biodegradation of Quinoline by free and immobilized Bacillus brevis has been investigated. The rate of quinoline degradation by immobilized Bacillus brevis on coconut shell carbon is faster than the rate by the microorganism immobilized on foam pieces and free cells. A complete removal of 100 ppm of Quinoline in the sample was achieved at a hydraulic retention time of 20 hours with the biocatalyst prepared by immobilizing Bacillus brevis onto coconut shell carbon. The biocatalyst had a reasonable shelf life and desirable recycle capacity.

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