An Experimental Study on the Biological Fixation and Effective Use of Carbon Using Biogas and Bacterial Community Dominated by Methanotrophs, Methanol-Oxidizing Bacteria, and Ammonia-Oxidizing Bacteria
This study used biogas from a wastewater treatment plant and bacterial community where methanotrophs, <i>Methylophilus</i>, and ammonia-oxidizing bacteria clusters coexisted to propose an effective method for biological carbon fixation and nitrogen removal in wastewater treatment for car...
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| Autores principales: | , , , , , , |
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
MDPI AG
2021
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/7df2d98b9091438b8080ddc4318c455e |
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| Sumario: | This study used biogas from a wastewater treatment plant and bacterial community where methanotrophs, <i>Methylophilus</i>, and ammonia-oxidizing bacteria clusters coexisted to propose an effective method for biological carbon fixation and nitrogen removal in wastewater treatment for carbon capture, utilization, and storage (CCUS). Biogas from wastewater treatment plant was provided, instead of purified CH<sub>4</sub>, to provide operation and maintenance conditions of bio-catalyst reaction for efficient biological carbon fixation by bacterial community using methane and CO<sub>2</sub>. This study assessed the conditions to induce type X methanotrophs that can use CO<sub>2</sub> as a carbon source, as dominant species in the bacterial community and continuously and effectively supply reducing equivalents required for the conversion of CO<sub>2</sub> to methanol within the system. Herein, the results of inducing efficient co-existence of methanotrophs, <i>Methylophilus</i>, and ammonia-oxidizing bacteria cluster in the bacterial community were shown. |
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