Nickel-Coated ceramic hollow fiber cathode for fast enrichment of chemolithoautotrophs and efficient reduction of CO2 in microbial electrosynthesis
- Author
- Bin Bian, Yogesh Singh, Korneel Rabaey (UGent) and Pascal E. Saikaly
- Organization
- Abstract
- Microbial electrosynthesis (MES) explores the potential of chemolithoautotrophs for the production of value-added products from CO2. However, the enrichment of chemolithoautotrophs on a cathode is relatively slow and the separation of the products is energy intensive. In this study, a novel and multifunctional cathode configuration, enabling the simultaneous enrichment of chemolithoautotrophs and separation of acetate from MES, was developed through one-step electroless nickel plating on ceramic hollow fiber (CHF) membrane. A thick layer of chemolithoautotrophs with 5.2 times higher cell density, which was dominated by Sporomusa (68 % of the total sequence reads in biocathode), was enriched on the membrane cathode surface through suspended biomass microfiltration compared to MES reactors operated without filtration. Simultaneously, > 87 % of acetate (31 mM) per batch could be harvested after catholyte microfiltration. The Ni content was > 80 % on the CHF surface after long-term operation in the two-chamber MES system, which exhibited 78 % lower charge transfer resistance compared to three-chamber MES system (similar to 110 vs 510 omega) for acetate separation/extraction. The ease of product separation in two-chamber MES systems and the fast establishment of chemolithoautotrophs on the cathode are a step forward in realizing MES systems as a promising platform for CO2 reduction and biochemical production in a circular carbon bioeconomy.
- Keywords
- Microbial electrosynthesis, Chemolithoautotrophy enrichment, CO2 valorization, Conductive membrane electrode, Microfiltration, Ceramic hollow fiber, ELECTROCHEMICAL MEMBRANE BIOREACTOR, LONG-TERM OPERATION, CARBON-DIOXIDE, HYDROGEN-PRODUCTION, COMMUNITY, ACETATE, CULTURE, PURE, FERMENTATION, SEPARATION
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Citation
Please use this url to cite or link to this publication: http://hdl.handle.net/1854/LU-8770660
- MLA
- Bian, Bin, et al. “Nickel-Coated Ceramic Hollow Fiber Cathode for Fast Enrichment of Chemolithoautotrophs and Efficient Reduction of CO2 in Microbial Electrosynthesis.” CHEMICAL ENGINEERING JOURNAL, vol. 450, no. part 3, 2022, doi:10.1016/j.cej.2022.138230.
- APA
- Bian, B., Singh, Y., Rabaey, K., & Saikaly, P. E. (2022). Nickel-Coated ceramic hollow fiber cathode for fast enrichment of chemolithoautotrophs and efficient reduction of CO2 in microbial electrosynthesis. CHEMICAL ENGINEERING JOURNAL, 450(part 3). https://doi.org/10.1016/j.cej.2022.138230
- Chicago author-date
- Bian, Bin, Yogesh Singh, Korneel Rabaey, and Pascal E. Saikaly. 2022. “Nickel-Coated Ceramic Hollow Fiber Cathode for Fast Enrichment of Chemolithoautotrophs and Efficient Reduction of CO2 in Microbial Electrosynthesis.” CHEMICAL ENGINEERING JOURNAL 450 (part 3). https://doi.org/10.1016/j.cej.2022.138230.
- Chicago author-date (all authors)
- Bian, Bin, Yogesh Singh, Korneel Rabaey, and Pascal E. Saikaly. 2022. “Nickel-Coated Ceramic Hollow Fiber Cathode for Fast Enrichment of Chemolithoautotrophs and Efficient Reduction of CO2 in Microbial Electrosynthesis.” CHEMICAL ENGINEERING JOURNAL 450 (part 3). doi:10.1016/j.cej.2022.138230.
- Vancouver
- 1.Bian B, Singh Y, Rabaey K, Saikaly PE. Nickel-Coated ceramic hollow fiber cathode for fast enrichment of chemolithoautotrophs and efficient reduction of CO2 in microbial electrosynthesis. CHEMICAL ENGINEERING JOURNAL. 2022;450(part 3).
- IEEE
- [1]B. Bian, Y. Singh, K. Rabaey, and P. E. Saikaly, “Nickel-Coated ceramic hollow fiber cathode for fast enrichment of chemolithoautotrophs and efficient reduction of CO2 in microbial electrosynthesis,” CHEMICAL ENGINEERING JOURNAL, vol. 450, no. part 3, 2022.
@article{8770660, abstract = {{Microbial electrosynthesis (MES) explores the potential of chemolithoautotrophs for the production of value-added products from CO2. However, the enrichment of chemolithoautotrophs on a cathode is relatively slow and the separation of the products is energy intensive. In this study, a novel and multifunctional cathode configuration, enabling the simultaneous enrichment of chemolithoautotrophs and separation of acetate from MES, was developed through one-step electroless nickel plating on ceramic hollow fiber (CHF) membrane. A thick layer of chemolithoautotrophs with 5.2 times higher cell density, which was dominated by Sporomusa (68 % of the total sequence reads in biocathode), was enriched on the membrane cathode surface through suspended biomass microfiltration compared to MES reactors operated without filtration. Simultaneously, > 87 % of acetate (31 mM) per batch could be harvested after catholyte microfiltration. The Ni content was > 80 % on the CHF surface after long-term operation in the two-chamber MES system, which exhibited 78 % lower charge transfer resistance compared to three-chamber MES system (similar to 110 vs 510 omega) for acetate separation/extraction. The ease of product separation in two-chamber MES systems and the fast establishment of chemolithoautotrophs on the cathode are a step forward in realizing MES systems as a promising platform for CO2 reduction and biochemical production in a circular carbon bioeconomy.}}, articleno = {{138230}}, author = {{Bian, Bin and Singh, Yogesh and Rabaey, Korneel and Saikaly, Pascal E.}}, issn = {{1385-8947}}, journal = {{CHEMICAL ENGINEERING JOURNAL}}, keywords = {{Microbial electrosynthesis,Chemolithoautotrophy enrichment,CO2 valorization,Conductive membrane electrode,Microfiltration,Ceramic hollow fiber,ELECTROCHEMICAL MEMBRANE BIOREACTOR,LONG-TERM OPERATION,CARBON-DIOXIDE,HYDROGEN-PRODUCTION,COMMUNITY,ACETATE,CULTURE,PURE,FERMENTATION,SEPARATION}}, language = {{eng}}, number = {{part 3}}, pages = {{10}}, title = {{Nickel-Coated ceramic hollow fiber cathode for fast enrichment of chemolithoautotrophs and efficient reduction of CO2 in microbial electrosynthesis}}, url = {{http://doi.org/10.1016/j.cej.2022.138230}}, volume = {{450}}, year = {{2022}}, }
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