Critical considerations in two-stage anaerobic digestion of food waste – A review

G. Srisowmeya, M. Chakravarthy and G. Nandhini Devi

Renewable and Sustainable Energy Reviews, 2020, vol. 119, issue C

Abstract: Two-stage anaerobic digestion is a substantial breakthrough in the field of renewable and sustainable energy technology that potentially transforms organic wastes into biohythane and simultaneously resolves the threat of energy crisis and waste disposal. Two-stage anaerobic system provides optimal process stability, increased energy efficacy and better control over crucial parameters governing assured performance and energy recovery. This review mainly focuses on the parameters to be monitored and controlled for maximum performance, influence on efficiency and process stability. The current findings and advanced research prospects in the field of two-stage anaerobic digestion of food wastes are analyzed. Increasing interest in utilizing this method for food waste management lies in understanding the influence of process parameters for maximal benefits.

Keywords: Anaerobic digestion; Biogas; Methane; Two-stage process; Food waste; Volatile fatty acids (search for similar items in EconPapers)
Date: 2020
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Citations: View citations in EconPapers (13)

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DOI: 10.1016/j.rser.2019.109587

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