Hartikainen T, Ruuskanen J, Martikainen P J
Department of Environmental Sciences, University of Kuopio, Finland.
J Air Waste Manag Assoc. 2001 Mar;51(3):387-92. doi: 10.1080/10473289.2001.10464275.
Simultaneous removal of H2S and CS2 was studied with a peat biofilter inoculated with a Thiobacillus strain that oxidizes both compounds in an acidic environment. Both sulfurous gases at concentrations below 600 mg S/m3 were efficiently removed, and the removal efficiencies were similar, 99%, with an empty bed retention time (EBRT) of more than 60 sec. Concentrations greater than 1300-5000 mg S/m3 caused overloading of the filter material, resulting in high H2SO4 production, accumulation of elemental sulfur, and reduced removal efficiency. The highest sulfur removal rate achieved was 4500 g-S/day/m3 filter material. These results indicate that peat is suitable as a biofilter material for the removal of a mixture of H2S and CS2 when concentrations of gases to be purified are low (less than 600 mg/m3), but it is still odorous and toxic to the environment and humans.
使用接种了硫杆菌菌株的泥炭生物滤池研究了同时去除硫化氢（H₂S）和二硫化碳（CS₂）的情况，该硫杆菌菌株在酸性环境中可氧化这两种化合物。浓度低于600 mg S/m³的两种含硫气体均能被有效去除，去除效率相似，均为99%，空床停留时间（EBRT）超过60秒。浓度高于1300 - 5000 mg S/m³会导致滤料过载，从而产生大量硫酸、单质硫积累并降低去除效率。实现的最高硫去除率为4500 g-S/天/立方米滤料。这些结果表明，当待净化气体浓度较低（低于600 mg/m³）时，泥炭适合作为去除H₂S和CS₂混合物的生物滤池材料，但它对环境和人类仍有气味且有毒。
