Magnetic biochar affects the metabolic pathway in methanogenesis of anaerobic digestion of food waste
Abstract To alleviate pollution and promote clean energy production, food waste can be used to produce methane through anaerobic digestion (AD). In this study, wheat straw was used to produce biochar (BC) and magnetic biochar (MB) as additives for AD of food waste. MB2.5% and BC2.5% led to the highe...
| Main Authors: | , , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Wiley
2022-05-01
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| Series: | GCB Bioenergy |
| Subjects: | |
| Online Access: | https://doi.org/10.1111/gcbb.12931 |
| _version_ | 1818914838184722432 |
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| author | Mingxue Gao Pufang Du Boyao Zhi Le Liu Yanling Song Shumin Xiang Zhixiong Dai Gaihe Yang Xiaojiao Wang Yongzhong Feng |
| author_facet | Mingxue Gao Pufang Du Boyao Zhi Le Liu Yanling Song Shumin Xiang Zhixiong Dai Gaihe Yang Xiaojiao Wang Yongzhong Feng |
| author_sort | Mingxue Gao |
| collection | DOAJ |
| description | Abstract To alleviate pollution and promote clean energy production, food waste can be used to produce methane through anaerobic digestion (AD). In this study, wheat straw was used to produce biochar (BC) and magnetic biochar (MB) as additives for AD of food waste. MB2.5% and BC2.5% led to the highest methane production. The main action mechanism of the additives in AD was the change in environmental factors upon stimulating microorganisms to rapidly metabolize volatile fatty acids. The stimulation of microbial function increased the abundance of the methanogenesis pathways. Methanosarcina was the most dominant archaea in the four methanogenesis modules, and the microbial community changed more clearly with time than with treatment. This study is innovative in finding the effectiveness of BC and MB treatments attributed to the abundance of methanogenesis modules, especially MB2.5% treatment retained its advantage until the later stage of digestion in AD process. |
| first_indexed | 2024-12-19T23:52:44Z |
| format | Article |
| id | doaj.art-eaf0820abb644ecfa280bbfb30f11442 |
| institution | Directory Open Access Journal |
| issn | 1757-1693 1757-1707 |
| language | English |
| last_indexed | 2024-12-19T23:52:44Z |
| publishDate | 2022-05-01 |
| publisher | Wiley |
| record_format | Article |
| series | GCB Bioenergy |
| spelling | doaj.art-eaf0820abb644ecfa280bbfb30f114422022-12-21T20:01:06ZengWileyGCB Bioenergy1757-16931757-17072022-05-0114557258410.1111/gcbb.12931Magnetic biochar affects the metabolic pathway in methanogenesis of anaerobic digestion of food wasteMingxue Gao0Pufang Du1Boyao Zhi2Le Liu3Yanling Song4Shumin Xiang5Zhixiong Dai6Gaihe Yang7Xiaojiao Wang8Yongzhong Feng9College of Agronomy Northwest A&F University Yangling Shaanxi ChinaCollege of Agronomy Northwest A&F University Yangling Shaanxi ChinaCollege of Agronomy Northwest A&F University Yangling Shaanxi ChinaCollege of Agronomy Northwest A&F University Yangling Shaanxi ChinaCollege of Agronomy Northwest A&F University Yangling Shaanxi ChinaCollege of Agronomy Northwest A&F University Yangling Shaanxi ChinaCollege of Agronomy Northwest A&F University Yangling Shaanxi ChinaCollege of Agronomy Northwest A&F University Yangling Shaanxi ChinaCollege of Agronomy Northwest A&F University Yangling Shaanxi ChinaCollege of Agronomy Northwest A&F University Yangling Shaanxi ChinaAbstract To alleviate pollution and promote clean energy production, food waste can be used to produce methane through anaerobic digestion (AD). In this study, wheat straw was used to produce biochar (BC) and magnetic biochar (MB) as additives for AD of food waste. MB2.5% and BC2.5% led to the highest methane production. The main action mechanism of the additives in AD was the change in environmental factors upon stimulating microorganisms to rapidly metabolize volatile fatty acids. The stimulation of microbial function increased the abundance of the methanogenesis pathways. Methanosarcina was the most dominant archaea in the four methanogenesis modules, and the microbial community changed more clearly with time than with treatment. This study is innovative in finding the effectiveness of BC and MB treatments attributed to the abundance of methanogenesis modules, especially MB2.5% treatment retained its advantage until the later stage of digestion in AD process.https://doi.org/10.1111/gcbb.12931anaerobic digestionfood wastefunctional contributionmagnetic biocharmetabolism pathwaymetagenome |
| spellingShingle | Mingxue Gao Pufang Du Boyao Zhi Le Liu Yanling Song Shumin Xiang Zhixiong Dai Gaihe Yang Xiaojiao Wang Yongzhong Feng Magnetic biochar affects the metabolic pathway in methanogenesis of anaerobic digestion of food waste GCB Bioenergy anaerobic digestion food waste functional contribution magnetic biochar metabolism pathway metagenome |
| title | Magnetic biochar affects the metabolic pathway in methanogenesis of anaerobic digestion of food waste |
| title_full | Magnetic biochar affects the metabolic pathway in methanogenesis of anaerobic digestion of food waste |
| title_fullStr | Magnetic biochar affects the metabolic pathway in methanogenesis of anaerobic digestion of food waste |
| title_full_unstemmed | Magnetic biochar affects the metabolic pathway in methanogenesis of anaerobic digestion of food waste |
| title_short | Magnetic biochar affects the metabolic pathway in methanogenesis of anaerobic digestion of food waste |
| title_sort | magnetic biochar affects the metabolic pathway in methanogenesis of anaerobic digestion of food waste |
| topic | anaerobic digestion food waste functional contribution magnetic biochar metabolism pathway metagenome |
| url | https://doi.org/10.1111/gcbb.12931 |
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