Exploring carbon conversion and balance with magnetite-amended during pig manure composting

文献类型： 外文期刊

第一作者： Yang, Xu

作者： Yang, Xu;Li, Ronghua;Wang, Jingwen;Xu, Wanying;Wang, Yang;Yi, Guorong;Zhang, Zengqiang;Mazarji, Mahmoud;Pan, Junting;Zhang, Xiu;Zhu, Juanjuan;Syed, Asad;Bahkali, Ali H.

作者机构：

关键词： Magnetite; Humification; Ruminofilibacter; Membrane transport

期刊名称：BIORESOURCE TECHNOLOGY （ 影响因子：11.4； 五年影响因子：10.6 ）

ISSN： 0960-8524

年卷期： 2023 年 388 卷

页码：

收录情况： SCI

摘要： This study was designed to explore the magnetite in maturation and humification during pig manure (PM) and wolfberry branch fillings (BF) composting. Different proportions of magnetite (T1, 0%; T2, 2.5%; T3, 5%; T4, 7.5%;) were blended with PM for 50 days of composting. The findings indicated magnetite amendment has no influence on the maturity, and the 5% ratio significantly promoted humic acid (HA) formation and fulvic acid (FA) decomposition compared to other treatments. Compared to T1, magnetite addition significantly increased CO2 and CH4 emissions by 106.39%-191.69% and 6.88-13.72 times. The further analysis suggested that magnetite improved Ruminofilibacter activity were significantly positively associated with HA, and C emissions. The further PICRUSt 2 analysis showed membrane transport may enhance environmental information processing by magnetite. Overall, these results demonstrated higher organic matter (OM) degradation and HA formation with an additional increase in microbial activity highlighted advantages of using magnetite during PM composting.

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