Abstract:Hydrogen sulfide (H 2 S) is an odorous and poisonous gas present in biogas (the main product of anaerobic digestion), in sour gas (i.e. natural gas with a high content of H 2 S) or in general in the gases coming as a concomitant with crude oil extraction. H 2 S can also be produced abiotically, e.g. through the reaction of anhydrite and hydrocarbons as reported in deep carbonate gas reservoirs (Worden & Smalley, 1996). In environmental engineering applications, H 2 S is most often generated during anaerobic fe… Show more
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