Different aspects of dry anaerobic digestion for bio-energy: An overview

Richa Kothari, A.K. Pandey, S. Kumar, V.V. Tyagi and S.K. Tyagi

Renewable and Sustainable Energy Reviews, 2014, vol. 39, issue C, 174-195

Abstract: Dry anaerobic digestion (DAD) is an attractive method for the stabilization of solid organic waste with high solid concentration (22–40%). This article provides different aspects for bio-energy production through dry anaerobic digestion suggested by different researchers. Basic fundamental aspects like reactions occurring in the process, microbial species involved in the process, effect of feedstocks and operational parameters like pH, temperature, C/N ratio, VFA concentration, etc. with types of reactors are summarized. A number of scenarios and the effect of changing individual parameters of the environmental impacts of dry anaerobic digestion process for biogas production are considered. Mobility of mass nutrient and energy flow in the above said process are also parts of this review article. We conclude that long term research and development for improvement and optimization of operational parameters in dry anaerobic digestion is necessary.

Keywords: Biogas production; Biomass waste; Dry anaerobic digestion; Environmental pollution; Contents (search for similar items in EconPapers)
Date: 2014
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Citations: View citations in EconPapers (30)

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DOI: 10.1016/j.rser.2014.07.011

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