Simultaneous reduction of odorous and greenhouse gases emissions by thermophilic microbial agents during chicken manure composting
文献类型： 外文期刊
作者： Wang, Jiahua 1 ; Zhu, Ning 2 ; Zhang, Jing 2 ; Shen, Weishou 1 ; West, Helen 4 ; Cao, Yun 2 ; Zhu, Yanyun 2 ; Jin, Hongmei 2 ;
作者机构： 1.Nanjing Univ Informat Sci & Technol, Sch Environm Sci & Engn, Nanjing 210044, Peoples R China
2.Jiangsu Acad Agr Sci, Inst Agr Resources & Environm, Natl Agr Expt Stn Agr Environm, Nanjing 210014, Peoples R China
3.Jiangsu Collaborat Innovat Ctr Solid Organ Waste R, Nanjing 210093, Peoples R China
4.Univ Nottingham, Sch Biosci, Nr Loughborough LE12 5RD, England
关键词： Composting; Odorous gases; Greenhouse gases; Thermophilic microorganism; Functional gene; Bacterial community
期刊名称：JOURNAL OF ENVIRONMENTAL MANAGEMENT （ 影响因子：8.4； 五年影响因子：8.6 ）
ISSN： 0301-4797
年卷期： 2025 年 381 卷
页码：
收录情况： SCI
摘要： Odorous and greenhouse gases emissions from animal manure composting cause air pollution and nutrient loss. This research examined the effects of thermophilic fungal agent (F) and bacterial agent (B) on the emissions of odorous and greenhouse gases during chicken manure composting and explored the underlying mechanisms. The results indicated that the cumulative emission of ammonia (NH3), hydrogen sulfide (H2S), methane (CH4) and nitrous oxide (N2O) in F treatment decreased by 20.1 %, 34.2 %, 8.3 % and 26.1 %, respectively, in comparison to 25.3 % reduction in H2S and 9.3 % reduction in N2O in B treatment. F treatment increased the relative abundance of amoA, pmoA and nosZ, while lowering that of ureC, dsrB, mcrA and nirK. Furthermore, inoculation of thermophilic microbial agent significantly altered the evolution of bacterial communities during composting. Pearson correlation and co-occurrence network analysis revealed that Bacillus, Ammoniibacillus, Acinetobacter, Escherichia-Shigella and Oceanobacillus were closely related to gaseous emissions during composting. This study demonstrated that thermophilic fungal inoculation was efficient for mitigating odorous and greenhouse gases emissions during animal manure composting.
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