請用此 Handle URI 來引用此文件: http://hdl.handle.net/11455/45257
標題: Biodegradation of 2,4,6-trichlorophenol in the presence of primary substrate by immobilized pure culture bacteria
作者: Wang, C.C.
盧至人
Lee, C.M.
Lu, C.J.
Chuang, M.S.
Huang, C.Z.
李季眉
關鍵字: 2-chlorophenol
3-chlorophenol
4-chlorophenol
2,4-dichlorophenol
2,4,6-trichlorophenol
Agrobacterium spp.
immobilized cell
phenol
Pseudomonas spp.
degradation
期刊/報告no:: Chemosphere, Volume 41, Issue 12, Page(s) 1873-1879.
摘要: In this study, pure strains that are capable of utilizing 2,4,6-trichlorophenol have been isolated from the mixed culture grown on substrates containing chlorophenolic compounds. Studies have been carried out on the capability of these isolated pure strains in suspended and immobilized forms to decompose 2,4,6-trichlorophenol. Additionally, the influence of primary substrates (e.g., phenol, 2-chlorophenol, 3-chlorophenol, 4-chlorophenol, 2,4-dichlorophenol) on the decomposition of 2,4,6-trichlorophenol by the isolated pure strains grown in immobilized form is also investigated. The results are: Through bacterial isolation and identification, three pure strains have been obtained: Pseudomonas spp. strain 01, Pseudomonas spp. strain 02 and Agrobacterium spp. Whether in suspended or immobilized forms, all strains have poor removal efficiencies of 2,4,6-trichlorophenol. However, addition of 200 mg/l phenol will enable the immobilized Pseudomonas spp. strain 01, and Pseudomonas spp. strain 02 to achieve 65% and 48% removal of 2,4,6-trichlorophenol, respectively. Addition of phenol will assist the immobilized Pseudomonas spp. strain 02 in achieving removal of 2,4,6-trichlorophenol but the removal efficiency is not good if the phenol concentration is too low. The optimum phenol concentration should be between 200 and 400 mg/l. (C) 2000 Elsevier Science Ltd. All rights reserved.
URI: http://hdl.handle.net/11455/45257
ISSN: 0045-6535
顯示於類別:環境工程學系所

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