Rapid start-up of thermophilic anaerobic digestion with the turf fraction of MSW as inoculum

S. Suwannoppadol; G. Ho; R. Cord-Ruwisch

doi:10.1016/j.biortech.2011.06.008

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$Rapid start-up of thermophilic anaerobic digestion with the turf fraction of MSW as inoculum$

Journal article

Open access

Peer reviewed

Rapid start-up of thermophilic anaerobic digestion with the turf fraction of MSW as inoculum

S. Suwannoppadol, G. Ho and R. Cord-Ruwisch

Bioresource Technology, Vol.102(17), pp.7762-7767

2011

DOI: https://doi.org/10.1016/j.biortech.2011.06.008

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Abstract

This study aims to determine suitable start-up conditions and inoculum sources for thermophilic anaerobic digestion. Within days of incubation MSW at 55°C, methane was produced at a high rate. In an attempt to narrow down which components of typical MSW contained the thermophilic methanogens, vacuum cleaner dust, banana peel, kitchen waste, and garden waste were tested as inoculum for thermophilic methanogenesis with acetate as the substrate. Results singled out grass turf as the key source of thermophilic acetate degrading methanogenic consortia. Within 4. days of anaerobic incubation (55°C), anaerobically incubated grass turf samples produced methane accompanied by acetate degradation enabling successful start-up of thermophilic anaerobic digestion. Other essential start-up conditions are specified. Stirring of the culture was not conducive for successful start-up as it resulted specifically in propionate accumulation.

Details

Title: Rapid start-up of thermophilic anaerobic digestion with the turf fraction of MSW as inoculum
Authors/Creators: S. Suwannoppadol (Author/Creator) - The University of Western Australia
G. Ho (Author/Creator) - The University of Western Australia
R. Cord-Ruwisch (Author/Creator) - The University of Western Australia
Publication Details: Bioresource Technology, Vol.102(17), pp.7762-7767
Publisher: Elsevier BV
Identifiers: 991005542415607891
Copyright: © 2011 Elsevier Ltd.
Murdoch Affiliation: School of Environmental Science
Language: English
Resource Type: Journal article

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Citation topics: 3 Agriculture, Environment & Ecology; 3.83 Bioengineering; 3.83.416 Anaerobic Digestion
Web Of Science research areas: Agricultural Engineering; Biotechnology & Applied Microbiology; Energy & Fuels
ESI research areas: Biology & Biochemistry