不同填充剂对料批量堆肥和微生物社区概况的影响
Fei Wang1, Jingyao Wang1, Yuheng He1
1School of Civil Engineering, Southeast University, Nanjing, 211189, China.
Environmental research
|February 14, 2024
概括
添加像绿色废物这样的填充剂显著提高了料批堆肥效率和堆肥质量. 最佳的绿色废物颗粒大小 (3-6毫米) 提高了最终堆肥的水分,有机物和电导率 (EC).
科学领域:
- 环境科学 环境科学
- 微生物学 微生物学
- 土壤科学 土壤科学
背景情况:
- 封装式堆肥是一种广泛用于有机废物处理的方法.
- 优化堆肥效率和产品质量对于可持续的废物管理至关重要.
- 了解堆肥剂和微生物群落的作用是改善堆肥过程的关键.
研究的目的:
- 分析各种填充剂对料批堆肥效率和堆肥质量的影响.
- 调查填充剂颗粒大小对堆肥特性的影响.
- 为了检查在料批堆肥过程中微生物群落的结构变化.
主要方法:
- 用不同的填充剂进行了食批量堆肥实验.
- 根据湿度,减肥率,C/N比率,有机物含量和电导率 (EC) 等参数评估了堆肥产品的质量.
- 使用16S rRNA测序分析了微生物社区结构.
主要成果:
- 填充剂显著提高了堆肥效率和堆肥产品质量.
- 绿色废物作为填充剂导致了优良的堆肥质量:水分 (3.16%),减肥率 (85.26%) 和C/N比率 (13.98).
- 将绿色废物颗粒大小控制到3-6毫米,优化了堆肥水分 (3.12%),有机物 (63.93%) 和EC (5.37 mS/cm).
- 16S rRNA测序显示,随着反应器温度的升高,热友微生物的数量增加,包括纤维素降解细菌,如Firmicutes和Proteobacteria.
结论:
- 填充剂有效地提高了料批堆肥的性能.
- 绿色废物,特别是颗粒大小为3-6毫米的绿色废物,是生产高品质堆肥的高效填充剂.
- 微生物群落结构,随着热友和纤维纤维素分解微生物的增加,在高效的堆肥中发挥着至关重要的作用.
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