標題: Biofiltration of trimethylamine, dimethylamine, and methylamine by immobilized Paracoccus sp CP2 and Arthrobacter sp CP1
作者: Ho, Kuo-Ling
Chung, Ying-Chien
Lin, Yueh-Hsien
Tseng, Ching-Ping
生物科技學系
Department of Biological Science and Technology
關鍵字: activated carbon;ammonia;degradation;immobilization;nitrification
公開日期: 1-五月-2008
摘要: A biofilter using granular activated carbon with immobilized Paracoccus sp. CP2 was applied to the elimination of 10-250 ppm of trimethylamine (TMA), dimethylamine (DMA), and methylamine (MA). The results indicated that the system effectively treated MA (>93%), DMA (>90%), and TMA (>85%) under high loading conditions, and the maximum degradation rates were 1.4, 1.2, and 0.9 g-N kg(-1) GAC d(-1). Among the three different amines treated, TMA was the most difficult to degrade and resulted in ammonia accumulation. Further study on TMA removal showed that the optimal pH was near neutral (6.0-8.0). The supply of high glucose (>0.1%) inhibited TMA removal, maybe due to substrate competition. However, complete TMA degradation was achieved under the co-immobilization of Paracoccus sp. CP2 and Arthrobacter sp. CP1 (similar to 96%). Metabolite analysis results demonstrated that the metabolite NH(4)(+) concentrations decreased by a relatively small 27% while the metabolite NO(2)(-) apparently increased by heterotrophic nitrification of Arthrobacter sp. CP1 in the co-immobilization biofilter. (C) 2008 Elsevier Ltd. All rights reserved.
URI: http://dx.doi.org/10.1016/j.chemosphere.2008.01.044
http://hdl.handle.net/11536/9364
ISSN: 0045-6535
DOI: 10.1016/j.chemosphere.2008.01.044
期刊: CHEMOSPHERE
Volume: 72
Issue: 2
起始頁: 250
結束頁: 256
顯示於類別:期刊論文


文件中的檔案:

  1. 000256737900015.pdf