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Microbial agents assisted aerobic co-composting of sheep manure and furfural residue: Maturation enhancement and microbial dynamic

文献类型： 外文期刊

作者： Li, Mao 1 ; Jiang, Lingwei 1 ; Li, Fei 2 ; Zhang, Xuejun 3 ; Zhao, Huanjun 4 ; Duan, Na 1 ;

作者机构： 1.China Agr Univ, Coll Water Resources & Civil Engn, Beijing 100083, Peoples R China

2.Inner Mongolia Agr Univ, Coll Grassland Resources & Environm, Hohhot 010000, Peoples R China

3.Ningxia Acad Agr & Forestry Sci, Inst Agr Resources & Environm, Yinchuan 750000, Peoples R China

4.Bamei Aquaculture Dev Co LTD, Bayan Nur 015000, Peoples R China

关键词： Sheep manure; Furfural residue; Bulking agent; Microbial agent; Compost maturity

期刊名称：JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING （ 影响因子：7.2； 五年影响因子：7.6 ）

ISSN： 2213-2929

年卷期： 2025 年 13 卷 3 期

页码：

收录情况： SCI

摘要： The effects of different proportions of sheep manure (SM) and furfural residue (FR) and adding microbial agents (MA) on compost maturity, substance transformation and bacterial-fungal communities were investigated. Four groups were designed with low FR ratio groups (13SM+FR, 13SM+FR+MA) and high FR ratio groups (SM+FR+MA, SM+FR), among them, SM+FR+MA and 13SM+FR+MA both added 0.4 % MA. The results showed that after 30-days pile composting, all groups met the requirements for compost maturity, indicating that the combined composting of FR and SM were feasible. High FR ratios and the addition of MA can significantly enhance the temperature and prolong the thermophilic phase during the composting process. The high FR ratios were more conducive to the decomposition of organic matter (OM) and compost maturity. Adding MA promotes the metabolism and transformation of carbohydrates and proteins by altering the activity of enzymes in the thermophilic phase, while weakening pathways such as biosynthesis of secondary metabolites and carbon metabolism during the cooling maturation phase. In contrast to adding MA, adjusting the proportion of raw materials were easier and more effective to reshape the microbial communities in composting. In addition, composting significantly reduce the abundance of pathogens such as Rhodotorula, Exophiala, Scythalidium, and Lecythophora. Therefore, during the composting process, FR can be directly used as a conditioner for composting, adding MA and a higher proportion of FR to increase C/N ratio are effective strategies for inhibiting pathogens and enhancing compost maturity.

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