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Prediction of hydrogen sulphide production during anaerobic digestion of organic substrates

Abstract : The main objective of this study was to develop a methodology to predict the hydrogen sulphide content of raw biogas produced during anaerobic mono-digestion of a bioenergy feedstock. Detailed chemical and biological analyses were made on 37 different feedstocks originating from urban wastewater treatment plants, farms, agri-food facilities and municipal wastes. Total sulphur content ranged from 1 to 29.6mgS/kg of total solids, and 66% of the feedstocks analysed contained less than 5mgS/kg of total solids. The biochemical methanogenic potential and biochemical biogas potential of each feedstock combined with its S content were used to predict appearance of H 2S in the raw biogas. A model to link H 2S in biogas with the carbon:sulphur ratio was established. Based on this model, a minimum carbon:sulphur ratio of 40 is required in feedstock to limit the concentration of hydrogen sulphide in raw biogas to less than 2% (volume/volume).
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https://hal.inrae.fr/hal-02597494
Contributor : Migration Irstea Publications <>
Submitted on : Friday, May 15, 2020 - 10:39:33 PM
Last modification on : Friday, February 12, 2021 - 3:33:52 AM

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  • HAL Id : hal-02597494, version 1
  • IRSTEA : PUB00036337

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Pascal Peu, S. Picard, Arnaud Diara, R. Girault, Fabrice Béline, et al.. Prediction of hydrogen sulphide production during anaerobic digestion of organic substrates. Bioresource Technology, Elsevier, 2012, 121, pp.419-424. ⟨hal-02597494⟩

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