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| Technical status and trends in animal wastewater treatment |
| Received:September 24, 2021 |
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| KeyWord:animal wastewater;anaerobic treatment;aerobic treatment;advanced treatment;resource utilization;application status |
| Author Name | Affiliation | E-mail | | ZHANG Jingni | Biogas Institute of Ministry of Agriculture and Rural Affairs, Chengdu 610041, China | | | HAN Zhigang | Fuzhou Gong Chuang Environmental Technology Co. Ltd., Fuzhou 350003, China | | | ZHENG Dan | Biogas Institute of Ministry of Agriculture and Rural Affairs, Chengdu 610041, China | | | WANG Wenguo | Biogas Institute of Ministry of Agriculture and Rural Affairs, Chengdu 610041, China | | | DENG Liangwei | Biogas Institute of Ministry of Agriculture and Rural Affairs, Chengdu 610041, China | dengliangwei@caas.cn |
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| Abstract: |
| In recent years, the treatment and utilization of animal manure and wastewater has attracted attention from all sectors of society. Focusing on engineering applications, this study reviews current research and application status of the technology in processing units, including pre-treatment, anaerobic treatment, utilization of digested effluent, natural treatment of digested effluent, aerobic treatment, combined anaerobic-aerobic treatment, and advanced treatment. The development trend of treatment and utilization of animal wastewater was prospected from the following aspects, such as biogas utilization and greenhouse gas emission reduction, total nitrogen removal and the application of intelligent information technology. |
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