The Influence of Biochar Addition on Chicken Manure Composting and Associated Methane and Carbon Dioxide Emissions
文献类型： 外文期刊
作者： Jia, Xingyong 1 ; Wang, Meng 1 ; Yuan, Wenqiao 1 ; Ju, Xiaotang 2 ; Yang, Baozhu 3 ;
作者机构： 1.N Carolina State Univ, Dept Biol & Agr Engn, Box 7625, Raleigh, NC 27695 USA
2.China Agr Univ, Coll Resources & Environm Sci, Beijing 100193, Peoples R China
3.Natl Engn Res Ctr Informat Technol Agr, Beijing 100089, Peoples R China
关键词： Biochar; Chicken manure; Composting; Turning frequency; CH4/CO2 emissions
期刊名称：BIORESOURCES （ 影响因子：1.614； 五年影响因子：1.923 ）
ISSN： 1930-2126
年卷期： 2016 年 11 卷 2 期
页码：
收录情况： SCI
摘要： The effect of biochar addition and turning frequency was examined relative to biochar-chicken manure co-composting and its associated methane (CH4) and carbon dioxide (CO2) emissions. The results demonstrated that biochar addition was more effective in accelerating the composting process, which was indicated by a 5.2% increase in peak pile temperature and a 148% increase in peak CO2 emission with 20% biochar amended-compost, compared with the control that had no biochar. The compost pH increased and moisture content decreased significantly over the whole course of composting with the biochar amendment. The addition of 20% biochar also resulted in a 54.9% decrease in peak CH4 emission compared with the control. More frequent turning (daily vs. every 3 or 7 days) accelerated the composting process and reduced the CH4 emission.
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