Technology selection of biogas digesters for OFMSW via multi-criteria decision analysis

R. Kigozi, A. O. Aboyade, E. Muzenda

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)


Multi-criteria decision analysis (MCDA) techniques are becoming increasingly popular in decision making for technology selection because of their ability to capture the multi-dimensionality of technologies. Biogas typically refers to an odourless gas produced by anaerobic digestion of biomass using microorganisms. Its production can occur naturally in marshes and landfills or more commonly, in specifically designed plants called biogas digesters under controlled conditions. For techno-economic efficiency of a biodigester, several factors such as cost of plant are taken into consideration. This paper examines various available technologies for biogas digesters using defined selection criteria via MCDA and chooses the best alternatives at various scales of biogas production for a case study in South Africa with municipal biowaste as the target feedstock. 14 biogas plants were analysed in this study and the Puxin and Bio4gas digesters were the best alternatives for small and large scale biogas production respectively.

Original languageEnglish
Title of host publicationWorld Congress on Engineering, WCE 2014
PublisherNewswood Limited
Number of pages7
ISBN (Print)9789881925350
Publication statusPublished - 2014
EventWorld Congress on Engineering, WCE 2014 - London, United Kingdom
Duration: Jul 2 2014Jul 4 2014

Publication series

NameLecture Notes in Engineering and Computer Science
ISSN (Print)2078-0958


OtherWorld Congress on Engineering, WCE 2014
Country/TerritoryUnited Kingdom

All Science Journal Classification (ASJC) codes

  • Computer Science (miscellaneous)


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