Removal of toluene in gas streams by a fibrous-bed trickling filter

D. H. Tseng*, G. L. Guo, C. H. Chang, S. L. Huang


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4 引文 斯高帕斯(Scopus)


A novel fibrous-bed trickling filter was developed to remove toluene present in contaminated air. Pure culture of Pseudomonas putida F1 was attached on fibrous-bed and utilized toluene as the carbon source. Experimental results indicated the removal efficiency decreased with the increase of inlet concentration. In general, the removal efficiency of toluene was greater than 90% when the inlet loading capacity was below 70 g m−3h−1. The elimination capacity increased with increasing inlet loading capacity, but the increased rate decreased gradually. When the inlet loading capacity increased to 300 g m−3h−1, the elimination capacity could approach to 130 g m−3h−1. The first order kinetics model was useful to describe the removal of toluene in this filter and an excellent linear relationship was found between the apparent first order parameter and inlet concentration (ranging from 1.2 g m−3 to 3.5 g m−3). Also, the performance of fibrous-bed trickling filter was relatively stable during the four-month period of continuous operation. Slight clogging phenomena of filters were observed only under high loading capacity.

頁(從 - 到)39-46
期刊Environmental Technology (United Kingdom)
出版狀態Published - 1 1月 2001


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