Autotrophic deodorization of hydrogen sulfide in a biotrickling filter

被引：68
作者：
Jin, YM [1 ]
Veiga, MC [1 ]
Kennes, C [1 ]
机构：
[1] Univ A Coruna, Fac Sci, Chem Engn Lab, E-15008 La Coruna, Spain
来源：
JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY | 2005年 / 80卷 / 09期
关键词：
autotroph; biotrickling filter; hydrogen sulfide; Pall rings;
D O I：
10.1002/jctb.1275
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
The removal of hydrogen sulfide (H2S) from airstreams was studied in a biotrickling filter (BTF) packed with plastic Pall rings operating with counter-current flows of the air and liquid streams. Experiments were performed at different inlet H2S concentrations, air and/or liquid volumetric flow rates, and sulfate concentrations in the recirculating liquid to check their effect on the performance of the BTF. Conversion of H2S never dropped below 80% at the highest concentration and reached 100% at low concentrations. A maximum removal rate of 22.5 g H2S m(-3) reactor h(-1) was observed with 100% removal efficiency. The shortest empty bed retention time studied at which complete H2S removal was observed was around 11 s. Conversion of H2S was found to slightly increase as the liquid flow rate decreased and as the air flow rate increased. (c) 2005 Society of Chemical Industry.
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页码：998 / 1004
页数：7
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