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Alternating magnetic field mitigates N2O emission during the aerobic composting of chicken manure by Jiaxiong Wu; Huayuan Shangguan; Tao Fu; Jinjie Chen; Jiahuan Tang; Raymond Jianxiong Zeng; Wenyuan Ye; Shungui Zhou is a Environmental Science article available to read on EtoBox.
What is Alternating magnetic field mitigates N2O emission during the aerobic composting of chicken manure about?
A C T Nitrous oxide (N 2 O) emission is an environmental problem related to composting. Recently, the electric fieldassisted aerobic composting process has been found to be effective for enhancing compost maturity and mitigating N 2 O emission. However, the insertion of electrodes into the compost pile causes electrode erosion and inconvenience in practical operation. In this study, a novel alternating magnetic field-assisted aerobic composting (AMFAC) process was tested by applying an alternating magnetic field (AMF) to a conventional aerobic composting (CAC) process. The total N 2 O emission of the AMFAC process was reduced by 39.8% as compared with that of the CAC process. Furthermore, the results demonstrate that the AMF weakened the expressions of the amoA, narG, and nirS functional genes (the maximum reductions were 96%, 83.7%, and 95.5%, respectively), whereas it enhanced the expression of the nosZ functional gene by a maximum factor of 36.5 as compared with that in CAC. A correlation analysis revealed that the nitrification and denitrification processes for N 2 O emission were suppressed in AMFAC, the main source of N 2 O emission of which was denitrification. The findings
Who reads Alternating magnetic field mitigates N2O emission during the aerobic composting of chicken manure?
It is typically read by researchers, students, and practitioners in Environmental Science.
- Author
- Jiaxiong Wu; Huayuan Shangguan; Tao Fu; Jinjie Chen; Jiahuan Tang; Raymond Jianxiong Zeng; Wenyuan Ye; Shungui Zhou
- Publisher
- Elsevier BV
- Published
- 2021
- Language
- EN
- Field
- Environmental Science (Physical Sciences)