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A novel method for contributing to composting start-up at low temperature by inoculating cold-adapted microbial consortium

文献类型： 外文期刊

作者： Xie, Xin-Yu 1 ; Zhao, Yue 1 ; Sun, Qing-Hong 1 ; Wang, Xue-Qin 1 ; Cui, Hong-Yang 1 ; Zhang, Xu 1 ; Li, Yan-Jie 2 ; Wei, 1 ;

作者机构： 1.Northeast Agr Univ, Coll Life Sci, Harbin 150030, Peoples R China

2.Heilongjiang Acad Agr Sci, Heihe Branch, Heihe 164300, Peoples R China

关键词： Bio-heat;Cold-adapted microbial consortium (CAMC);Composting start-up;Low temperature

期刊名称：BIORESOURCE TECHNOLOGY （ 影响因子：9.642； 五年影响因子：9.237 ）

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收录情况： SCI

摘要： Low temperature climate presented a technical challenge to start-up composting in northern region of China. This study investigated if the cold-adapted microbial consortium (CAMC) could promote composting start-up at low temperature. In this work, the CAMC was inoculated when food waste was composted at 10 C-omicron. The results showed that inoculating CAMC accelerated the piles temperature effectively, the piles passed through the start-up period within 37 h. Moreover, the inoculants could enhance the abundances of dominant strains related to organic matters degradation rate. Redundancy analysis (RDA) indicated that the relationships among indigenous bacteria, organic substrates degradation and temperature evolution were influenced by the inoculants. Furthermore, the heat generation value and degradation rate of the hydrolysable carbohydrate, lipids and protein were significantly enhanced with CAMC inoculated. This work demonstrated that inoculating CAMC was beneficial to composting self-heating, it provided a novel biotechnology support to ensure the normal start-up of winter composting. (C) 2017 Elsevier Ltd. All rights reserved.

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