African Journal of Agronomy

ISSN 2375-1185

African Journal of Agronomy ISSN 2375-1177 Vol. 6 (4), pp. 370-382, April, 2018. © International Scholars Journals

Review

Transformations, stages and microorganisms that participate in methane fermentation process

*Edvard O. Fredriksen, Fridtjof Amundsen and Ragnar Haavelmo

1Department of Biotechnology and Food Microbiology, The Faculty of Food Science, Wrocław University of Environmental and Life Sciences, Wrocław, Poland.

2Agriculture and Biology, Warsaw University of Life Sciences, Warsaw, Poland.

*Corresponding author. E-mail: [email protected]

Accepted 26 April, 2016

Abstract

Anaerobic decomposition of organic compounds is conducted in close cooperation of specialized bacteria of different types, including mostly hydrolyzing, digestive, acetogenic, homoacetogenic, sulfate-reducing (VI) and methanogenic bacteria. A great interest in the anaerobic digestion process results mainly from its advantages, as compared to aerobic methods. The main advantages of the methane digestion process are: Production of an insignificant amount of biomass and lower energy input, as compared to degradation conducted under aerobic conditions. This paper reviews the transformations, stages and microorganisms that participate in methane fermentation process.

Key words: Biogas, methane fermentation, methanogens, microorganisms, anaerobic digestion.