Comparative studies of methanogenesis in thermophilic and mesophilic anaerobic digesters using membrane inlet mass spectrometry

Whitmore, TN, Lazzari, M and Lloyd, D ORCID: https://orcid.org/0000-0002-5656-0571 1985. Comparative studies of methanogenesis in thermophilic and mesophilic anaerobic digesters using membrane inlet mass spectrometry. Biotechnology Letters 7 (4) , 283--288. 10.1007/BF01042379

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Abstract

Membrane inlet mass spectrometry was used to monitor liquid phase hydrogen and methane concentrations in samples from laboratory mesophilic (37°C) and thermophilic (55°C) anaerobic digesters supplied with a glucose based medium. The Ks obtained for H2 utilisation for the mesophilic system was 5.5 μM compared with 90 μM for the thermophilic system. Under overload situations of fatty acids or glucose, hydrogen became more apparent in the mesophilic system in contrast to the thermophilic system in which even gross overload gave only transient detectable hydrogen production.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Biosciences
Publisher:	Springer Verlag (Germany)
ISSN:	0141-5492
Last Modified:	26 Oct 2022 08:40
URI:	https://orca.cardiff.ac.uk/id/eprint/128046

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