摘要
污泥的厌氧消化和污水的厌氧处理所产生的沼气中都含有H2S,由于它是一种腐蚀性很强的化合物,所以沼气脱硫是沼气利用的关键环节。本文综述了近年来研究人员在开发生物脱硫工艺方面所做的大量工作,以取代传统的化学脱硫工艺。随着发光二极管和生物膜反应器应用方面的技术进步,一些生物脱硫的工艺已经显示出市场应用的潜力。
Hydrogen sulfide is toxic and odorous compound presenting in biogas produced by anaerobic digestion of wastewater treatment. Hydrogen sulfide removal is key to biogas utilization due to its corrosive and harmful nature, and so biological removal processes are being reviewed in this paper. Both phototrophic and chemotrophic bacteria are suitable candidate microorganisms for hydrogen sulfide removal. The newly developments in light emitting diodes and fixed-film reactor technology have made the removal process more competitive in commercial application.
出处
《中国沼气》
2007年第2期15-19,共5页
China Biogas
关键词
硫化氢
光能自养
化能自养
生物氧化
hydrogen sulfide
phototrophic
chemotrophic
biological oxidation
