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超热友好的预处理通过改善细菌群落和促进微生物合作,显著加速热友好的堆肥化
Shi-Peng Zhou1, Su-Qin Tang2, Xia Ke1
1Engineering Research Center of Bioconversion and Biopurification of Ministry of Education, Zhejiang University of Technology, Hangzhou 310014, China.
Bioresource technology
|July 10, 2023
概括
高热性预处理 (HP) 增强了食品废物的热性堆肥 (TC). 这种新的方法提高了堆肥质量和湿化,提供了更高效和有效的废物管理解决方案.
科学领域:
- 环境科学 环境科学
- 微生物学 微生物学
- 废物管理 废物管理
背景情况:
- 热友堆肥 (TC) 提供快速成熟和卫生,但面临着高能耗和低于最佳堆肥质量的挑战.
- 高热性预处理 (HP) 是一种新的策略,可以克服传统的TC工艺的局限性.
研究的目的:
- 调查HP对化过程和食品浪费TC期间细菌群体动态的影响.
- 评估HP作为一种提高堆肥质量和效率的方法.
主要方法:
- 在TC过程中,在90°C进行4小时的高热性预处理.
- 使用发芽指数和酸/酸含量分析堆肥质量.
- 微生物社区分析,包括与氨基酸生物合成和网络相关的基因表达.
主要成果:
- 惠普显著增加了发芽指数25.52%,酸/富尔维酸含量增加了83.08%.
- 预处理刺激了热友微生物和参与氨基酸生物合成的高调基因.
- 确定pH值是影响细菌群落的关键因素,较高的HP温度促进了细菌的合作和化.
结论:
- 高热性预处理是一种有效的方法,可以加速化并提高堆肥食品废物的质量.
- 惠普增强微生物活动和基因表达,有助于更高效的堆肥过程.
- 了解pH和微生物相互作用的作用对于优化HP辅助TC至关重要.
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