Abstract
The possibility of improving a two-stage (68°C/55°C) anaerobic digestion concept for treatment of cattle manure was studied. In batch experiments, a 10-24% increase of the specific methane yield from cattle manure and its fractions was obtained, when the substrates were inoculated with bacteria of the genus Caldicellusiruptor and Dictyoglomus. In a reactor experiment inoculation of a 68°C pretreatment reactor with Caldicellusiruptor resulted in a 93% increase in the methane yield of the pre-treatment reactor for a period of 18 days, but gave only a slight increase in the overall methane yield of the two-stage setup.
Original language | English |
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Journal | Biotechnology and Bioengineering (Print) |
Volume | 97 |
Issue number | 6 |
Pages (from-to) | 1638-1643 |
ISSN | 0006-3592 |
DOIs | |
Publication status | Published - 2007 |