Biological Cleanup of Biogas

See on Scoop.itRenewables

Biogas basically consists of methane and carbon dioxide. In addition, it also contains unwanted contaminants, especially hydrogen sulfide (H2S). Hydrogen sulfide mainly occurs because of the degrad…

Salman Zafar‘s insight:

Biological H2S removal is attractive because of low energy and chemical usage requirements, easy and automated operation, long life expectancy of system elements, potential for elemental sulfur recovery, and no solid waste stream requiring discharge or disposal. The key to obtaining an efficient reaction is to provide an ideal habitat for the growth of sulfide-oxidizing bacteria, to the exclusion of competing microbes, which normally predominate in aerobic treatment processes. 

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