Reactor Designs and Configurations for Biological and Bioelectrochemical C1 Gas Conversion: A Review
Microbial C1 gas conversion technologies have developed into a potentially promising technology for converting waste gases (CO<sub>2</sub>, CO) into chemicals, fuels, and other materials. However, the mass transfer constraint of these poorly soluble substrates to microorganisms is an imp...
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2021
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oai:doaj.org-article:45b3404bbe70479e95492811d8a0a4a12021-11-11T16:46:14ZReactor Designs and Configurations for Biological and Bioelectrochemical C1 Gas Conversion: A Review10.3390/ijerph1821116831660-46011661-7827https://doaj.org/article/45b3404bbe70479e95492811d8a0a4a12021-11-01T00:00:00Zhttps://www.mdpi.com/1660-4601/18/21/11683https://doaj.org/toc/1661-7827https://doaj.org/toc/1660-4601Microbial C1 gas conversion technologies have developed into a potentially promising technology for converting waste gases (CO<sub>2</sub>, CO) into chemicals, fuels, and other materials. However, the mass transfer constraint of these poorly soluble substrates to microorganisms is an important challenge to maximize the efficiencies of the processes. These technologies have attracted significant scientific interest in recent years, and many reactor designs have been explored. Syngas fermentation and hydrogenotrophic methanation use molecular hydrogen as an electron donor. Furthermore, the sequestration of CO<sub>2</sub> and the generation of valuable chemicals through the application of a biocathode in bioelectrochemical cells have been evaluated for their great potential to contribute to sustainability. Through a process termed microbial chain elongation, the product portfolio from C1 gas conversion may be expanded further by carefully driving microorganisms to perform acetogenesis, solventogenesis, and reverse β-oxidation. The purpose of this review is to provide an overview of the various kinds of bioreactors that are employed in these microbial C1 conversion processes.Azize AyolLuciana PeixotoTugba KeskinHaris Nalakath AbubackarMDPI AGarticlesyngas fermentationmicrobial chain elongationhydrogenotrophic methanationbioreactorselectromethanogenesismicrobial electrosynthesisMedicineRENInternational Journal of Environmental Research and Public Health, Vol 18, Iss 11683, p 11683 (2021) |
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DOAJ |
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syngas fermentation microbial chain elongation hydrogenotrophic methanation bioreactors electromethanogenesis microbial electrosynthesis Medicine R |
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syngas fermentation microbial chain elongation hydrogenotrophic methanation bioreactors electromethanogenesis microbial electrosynthesis Medicine R Azize Ayol Luciana Peixoto Tugba Keskin Haris Nalakath Abubackar Reactor Designs and Configurations for Biological and Bioelectrochemical C1 Gas Conversion: A Review |
| description |
Microbial C1 gas conversion technologies have developed into a potentially promising technology for converting waste gases (CO<sub>2</sub>, CO) into chemicals, fuels, and other materials. However, the mass transfer constraint of these poorly soluble substrates to microorganisms is an important challenge to maximize the efficiencies of the processes. These technologies have attracted significant scientific interest in recent years, and many reactor designs have been explored. Syngas fermentation and hydrogenotrophic methanation use molecular hydrogen as an electron donor. Furthermore, the sequestration of CO<sub>2</sub> and the generation of valuable chemicals through the application of a biocathode in bioelectrochemical cells have been evaluated for their great potential to contribute to sustainability. Through a process termed microbial chain elongation, the product portfolio from C1 gas conversion may be expanded further by carefully driving microorganisms to perform acetogenesis, solventogenesis, and reverse β-oxidation. The purpose of this review is to provide an overview of the various kinds of bioreactors that are employed in these microbial C1 conversion processes. |
| format |
article |
| author |
Azize Ayol Luciana Peixoto Tugba Keskin Haris Nalakath Abubackar |
| author_facet |
Azize Ayol Luciana Peixoto Tugba Keskin Haris Nalakath Abubackar |
| author_sort |
Azize Ayol |
| title |
Reactor Designs and Configurations for Biological and Bioelectrochemical C1 Gas Conversion: A Review |
| title_short |
Reactor Designs and Configurations for Biological and Bioelectrochemical C1 Gas Conversion: A Review |
| title_full |
Reactor Designs and Configurations for Biological and Bioelectrochemical C1 Gas Conversion: A Review |
| title_fullStr |
Reactor Designs and Configurations for Biological and Bioelectrochemical C1 Gas Conversion: A Review |
| title_full_unstemmed |
Reactor Designs and Configurations for Biological and Bioelectrochemical C1 Gas Conversion: A Review |
| title_sort |
reactor designs and configurations for biological and bioelectrochemical c1 gas conversion: a review |
| publisher |
MDPI AG |
| publishDate |
2021 |
| url |
https://doaj.org/article/45b3404bbe70479e95492811d8a0a4a1 |
| work_keys_str_mv |
AT azizeayol reactordesignsandconfigurationsforbiologicalandbioelectrochemicalc1gasconversionareview AT lucianapeixoto reactordesignsandconfigurationsforbiologicalandbioelectrochemicalc1gasconversionareview AT tugbakeskin reactordesignsandconfigurationsforbiologicalandbioelectrochemicalc1gasconversionareview AT harisnalakathabubackar reactordesignsandconfigurationsforbiologicalandbioelectrochemicalc1gasconversionareview |
| _version_ |
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