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Effects of di-n-butyl phthalate on aerobic composting process of agricultural waste: Mainly based on bacterial biomass and community dynamics analysis

文献类型： 外文期刊

作者： Wang, Ping 1 ; Wang, Zhen 1 ; Ren, Ziming 1 ; Ding, Yuejie 1 ; Pan, Jiangang 2 ; Wang, Yanhui 3 ; Jin, Decai 4 ;

作者机构： 1.Zhoukou Normal Univ, Sch Chem & Chem Engn, Zhoukou 466001, Peoples R China

2.Inner Mongolia Univ Sci & Technol, Sch Life Sci & Technol, Baotou 014010, Peoples R China

3.Guangxi Acad Agr Sci, Plant Protect Res Inst, Guangxi Key Lab Biol Crop Dis & Insect Pests, Nanning 530007, Peoples R China

4.Chinese Acad Sci, Res Ctr Eco Environm Sci, Key Lab Environm Biotechnol, Beijing 100085, Peoples R China

关键词： Di-n-butyl phthalate; Composting; Microbial process; Bacterial biomass; Bacterial community

期刊名称：ENVIRONMENTAL RESEARCH （ 影响因子：8.431； 五年影响因子：8.399 ）

ISSN： 0013-9351

年卷期： 2022 年 212 卷

页码：

收录情况： SCI

摘要： Phthalic acid esters (PAEs) pollution has become a major environmental problem in agricultural waste composting. However, little information was available about the how the PAEs alter microbial processes during composting. This study investigated the effects of di-n-butyl phthalate (DBP) on bacterial biomass and community dynamics during composting. The results showed that a decreasing of DBP was observed from thermophilic phase and 43.26% of DBP was degraded after composting. The bacterial biomass and diversity during composting were reduced under DBP stress, so delaying the decomposition of organic matter. Moreover, the changes in bacterial community were observed since the thermophilic phase of DBP-contaminated composting. KEGG pathway analysis indicated that DBP stress decreased the relative abundance of the main metabolic pathways and inhibited compost maturation. Moreover, DBP stress had more significant correlation with the dominant bacteria. This work will expand the understanding of PAEs-contaminated organic waste composting and further control of PAEs pollutants.

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