Effects of Membrane Covers and Biochar on Compost Quality and Greenhouse Gas Reduction in Aerobic Composting
The addition of biochar and the use of membrane coverings are two methods used in aerobic composting of agricultural waste. The effectiveness of each of these two methods on compost quality and reduction of greenhouse gas emissions was tested in the laboratory. The results showed that both methods i...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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North Carolina State University
2024-04-01
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| Series: | BioResources |
| Subjects: | |
| Online Access: | https://ojs.cnr.ncsu.edu/index.php/BRJ/article/view/23073 |
| _version_ | 1827276408558190592 |
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| author | Jie Cao Haoli Qu Ruirong Li Pengjun Wang Jingjing Fu Mingjiang Chen |
| author_facet | Jie Cao Haoli Qu Ruirong Li Pengjun Wang Jingjing Fu Mingjiang Chen |
| author_sort | Jie Cao |
| collection | DOAJ |
| description | The addition of biochar and the use of membrane coverings are two methods used in aerobic composting of agricultural waste. The effectiveness of each of these two methods on compost quality and reduction of greenhouse gas emissions was tested in the laboratory. The results showed that both methods increased the maximum composting temperature and extended the thermophilic period. The germination index of biochar-treated compost and membrane-covered compost reached 70% on the 18th day, which was 12 days earlier than the corresponding value in the control group. The products from the biochar-treated compost had higher pH and lower electrical conductivity, compared with the product of the control group, indicating that these products are more suitable for acidic soils. In terms of greenhouse gas reduction, both methods were found to reduce the emissions of CH4 and N2O from composting. The addition of biochar had a better emission reduction effect on N2O, whereas the membrane covering technique yielded a better effect on CH4 emission reduction. The results of this study provide technical support for managed aerobic composting to reduce greenhouse gas emissions. |
| first_indexed | 2024-04-24T06:47:03Z |
| format | Article |
| id | doaj.art-d8bb7f2cc6e54a19aa18b93d4351b63b |
| institution | Directory Open Access Journal |
| issn | 1930-2126 |
| language | English |
| last_indexed | 2024-04-24T06:47:03Z |
| publishDate | 2024-04-01 |
| publisher | North Carolina State University |
| record_format | Article |
| series | BioResources |
| spelling | doaj.art-d8bb7f2cc6e54a19aa18b93d4351b63b2024-04-22T18:43:32ZengNorth Carolina State UniversityBioResources1930-21262024-04-01192347534881172Effects of Membrane Covers and Biochar on Compost Quality and Greenhouse Gas Reduction in Aerobic CompostingJie Cao0Haoli Qu1Ruirong Li2Pengjun Wang3Jingjing Fu4Mingjiang Chen5Ministry of Agriculture and Rural Affairs, Nanjing Institute of Agricultural Mechanization, Nanjing 210014, ChinaMinistry of Agriculture and Rural Affairs, Nanjing Institute of Agricultural Mechanization, Nanjing 210014, ChinaMinistry of Agriculture and Rural Affairs, Nanjing Institute of Agricultural Mechanization, Nanjing 210014, China; School of Energy and Environment, Southeast University (SEU), Nanjing 210096Ministry of Agriculture and Rural Affairs, Nanjing Institute of Agricultural Mechanization, Nanjing 210014, ChinaMinistry of Agriculture and Rural Affairs, Nanjing Institute of Agricultural Mechanization, Nanjing 210014, ChinaMinistry of Agriculture and Rural Affairs, Nanjing Institute of Agricultural Mechanization, Nanjing 210014, ChinaThe addition of biochar and the use of membrane coverings are two methods used in aerobic composting of agricultural waste. The effectiveness of each of these two methods on compost quality and reduction of greenhouse gas emissions was tested in the laboratory. The results showed that both methods increased the maximum composting temperature and extended the thermophilic period. The germination index of biochar-treated compost and membrane-covered compost reached 70% on the 18th day, which was 12 days earlier than the corresponding value in the control group. The products from the biochar-treated compost had higher pH and lower electrical conductivity, compared with the product of the control group, indicating that these products are more suitable for acidic soils. In terms of greenhouse gas reduction, both methods were found to reduce the emissions of CH4 and N2O from composting. The addition of biochar had a better emission reduction effect on N2O, whereas the membrane covering technique yielded a better effect on CH4 emission reduction. The results of this study provide technical support for managed aerobic composting to reduce greenhouse gas emissions.https://ojs.cnr.ncsu.edu/index.php/BRJ/article/view/23073membrane-coveredbiocharaerobic compostinggreenhouse gas |
| spellingShingle | Jie Cao Haoli Qu Ruirong Li Pengjun Wang Jingjing Fu Mingjiang Chen Effects of Membrane Covers and Biochar on Compost Quality and Greenhouse Gas Reduction in Aerobic Composting BioResources membrane-covered biochar aerobic composting greenhouse gas |
| title | Effects of Membrane Covers and Biochar on Compost Quality and Greenhouse Gas Reduction in Aerobic Composting |
| title_full | Effects of Membrane Covers and Biochar on Compost Quality and Greenhouse Gas Reduction in Aerobic Composting |
| title_fullStr | Effects of Membrane Covers and Biochar on Compost Quality and Greenhouse Gas Reduction in Aerobic Composting |
| title_full_unstemmed | Effects of Membrane Covers and Biochar on Compost Quality and Greenhouse Gas Reduction in Aerobic Composting |
| title_short | Effects of Membrane Covers and Biochar on Compost Quality and Greenhouse Gas Reduction in Aerobic Composting |
| title_sort | effects of membrane covers and biochar on compost quality and greenhouse gas reduction in aerobic composting |
| topic | membrane-covered biochar aerobic composting greenhouse gas |
| url | https://ojs.cnr.ncsu.edu/index.php/BRJ/article/view/23073 |
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