Multidimensional approaches of biogas production and up-gradation: Opportunities and challenges

Apurva Mishra, Manish Kumar, Nanthi S. Bolan, Atya Kapley, Rakesh Kumar, Lal Singh

Research output: Contribution to journalReview articlepeer-review

63 Citations (Scopus)

Abstract

The expanding interest towards biogas generation from biowaste via complex anaerobic digestion (AD) opened new avenues in the improvement of biogas production processes and their up-gradation. The adsorption/removal of impurities particularly hydrogen sulfide (H2S) and carbon dioxide (CO2) from the biogas stream will significantly improve the efficiency of biogas for its further use as a renewable energy fuel. The production and up-gradation of biogas rely upon the types of feedstocks, AD condition, microbial diversity, purification methods along with the application of various additives. In that context, this review aims to emphasize the current state of the art in the field of biogas production via AD using diverse bio-waste. Further, this review will critically explore the biogas up-gradation technologies adopted so far and their pros and cons. Finally, techno-economic and environmental impact assessment of the biogas production process will be underlined to make the process cost-effective and environmentally sustainable.

Original languageEnglish
Article number125514
JournalBioresource Technology
Volume338
DOIs
Publication statusPublished - Oct 2021
Externally publishedYes

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