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      • 固定化 微生物을 이용한 難分解性 有害化學物質의 分解 除去

        李秉學,林洛俊,尹盛都 단국대학교 1994 論文集 Vol.28 No.-

        Degradation and removal of poisonous materials by immobilized microorganism was investigated. Microorganism which was isolated from activated sludge by enrichment culture method was adsorbed on activated carbon and then entrapped with alginate. Optimum immobilizing condition was determined by means of batch culture method. Packed bed bioreactor was used for continuous treatment of various phenol waste water. From the results the following phenomena were obtained. 1. Immobilized biocatalyst which shown best degradation rate and stabilization was prepared with 2% activated carbon and 1% microorganism. 2. As transient inflow in the packed bed bioreactor, in order to the highest degradation efficiency, it preper to use calcium alginate bead. 3. Degradation efficiency of phenolic waste water by composite immobilized biocatalyst (activated carbon-alginate) was influenced by quantity of microorganism and an increment of adsorptivity of activated carbon entrapped in the immobilized biocatalyst. 4. The optimum degradation condition of phenolic waste water which was determined to the mineral salts as nitrogen source and 1.5% glucose was contained at 30℃.

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