Hydrogen‐dependent control of the continuous thermophilic anaerobic digestion process using membrane inlet mass spectrometry

Lloyd, D. ORCID: https://orcid.org/0000-0002-5656-0571 and Whitmore, T. N. 1988. Hydrogen‐dependent control of the continuous thermophilic anaerobic digestion process using membrane inlet mass spectrometry. Letters in Applied Microbiology 6 (1) , pp. 5-10. 10.1111/j.1472-765X.1988.tb01202.x

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Abstract

The control of a thermophilic continuous anaerobic digestion system when subjected to potential inhibitory shock loadings was achieved through the regulation of dissolved H2, monitored using membrane inlet mass spectrometry, by the controlled addition of carbon source. At a feed pump switching threshold equivalent to 1 μmol/1 H2 a steady state rate of methanogenesis of approximately 40 μmol/1/min was obtained. Higher H2 thresholds resulted in an inhibition of methanogenesis, but precise control of H2 concentration was demonstrated with an oscillatory response of period 2·5–5·0 min.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Biosciences
Publisher:	Wiley
ISSN:	0266-8254
Date of Acceptance:	5 October 1987
Last Modified:	26 Oct 2022 08:35
URI:	https://orca.cardiff.ac.uk/id/eprint/127830

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