Biotechnological removal of H2S and thiols from sour gas streams under haloalkaline conditions
2016
Roman, P.
Biological removal of H2S from sour gas streams became popular in recent years because of high process efficiency and low operational costs. To expand the scope of these processes to gas streams containing volatile organosulfur compounds, like thiols, it is necessary to provide new insights into their impact on overall biodesulfurization process. In the current thesis multidisciplinary investigations are performed, such as investigations of inhibitory effects of organic sulfur compounds on sulfide-oxidizing biomass by biochemical and enzyme studies; modelling of the process performance and biological pathways; preparation of analytical tools for measuring unstable sulfur compounds under the process conditions; following the microbial dynamics. The research described in this thesis increases the understanding of the underlying processes occurring in biological gas desulfurization systems when organosulfur compounds are present in the feed gas and provides solutions how to cope with these compounds in full-scale gas biodesulfurization installations.
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