Abstract:Performance of biological removal of hydrogen sulfide waste gas in a biofilter packed with the mixtures of chicken manure and polyethylene (PE) was investigated under low temperature. The experiment was carried out in intermittent mode. The removal efficiencies were 100%, 100%, 100% and 65% with inlet concentration of 3000 mg/m3 and the EBRT of 38s, 32s, 23s and 13 s respectively. The elimination capacity reached to 812g/(m3·h) with inlet load of 528g/(m3·h). Under the condition of low temperature from 9℃ to 16.5℃, H2S removal efficiency achieved 100% with inlet concentration of 50~3000mg/m3 and EBRT of 38s, 32s and 23s. At EBRT of 13s, the removal efficiency could reach to 62%~88%. The results showed that a good performance of the biofilter was obtained with high inlet load and gas velocity under low temperature.
吴丹, 朱琳, 王俭, 陈忠林, 刘强, 桂居铎, 唐音. 低温下间歇式生物过滤系统去除高负荷H2S的效能[J]. 中国环境科学, 2012, 32(6): 994-1000.
WU Dan, ZHU Lin, WANG Jian, CHEN Zhong-Lin, LIU Qiang, GUI Ju-Duo, TANG Yin. Performance evaluation of a biofilter treating hydrogen sulfide waste gas with high load in intermittent mode under low temperature. CHINA ENVIRONMENTAL SCIENCECE, 2012, 32(6): 994-1000.