Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 547141
Title Exploration of microbial systems as biocatalysts for conversion of synthesis gas to bio-based chemicals
Author(s) Diender, Martijn
Source Wageningen University. Promotor(en): A.J.M. Stams, co-promotor(en): D.Z. Machado de Sousa. - Wageningen : Wageningen University - ISBN 9789463433914 - 204
Department(s) Microbiology
WIMEK
Publication type Dissertation, internally prepared
Publication year 2019
Keyword(s) cum laude
Abstract

Synthesis gas (syngas) fermentation is a process capable of processing a gaseous substrate via fermentation into commodity chemicals and fuels. Gas (mainly consisting of hydrogen, carbon monoxide and carbon dioxide) fed to the fermentation process can be obtained from a wide variety of sources, including off-gases from industry, gasification of solid carbon wastes (e.g. municipal waste, lignocellulosic biomass) or gas derived from electrochemical reduction/physicochemical reduction processes.

Current limitations of the fermentation process are the relatively poorly understood physiology and genetics of the biocatalysts involved. Therefore the work described in this thesis aimed at unravelling of the syngas metabolism of acetogenic and methanogenic strains, with main focus on carbon monoxide metabolism. In addition, the application of synthetic co-cultures for syngas fermentation was explored in order to assess if such cultivation approach could lead to broadening of the syngas fermentation product spectrum. In addition to co-cultivation proof-of-concept studies for application, new fundamental insights on the metabolism of the involved biocatalysts were obtained.

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