调节的生物可用性和溶解有机物动态,通过在蒸厂废弃物堆肥中添加深度环氧溶剂来调节的生物可用性和溶解有机物动态
Jie Hu1, Yunbo Zhai1, Fashen Liang1
1College of Environmental Science and Engineering, Hunan University, Changsha, 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, PR China.
Journal of environmental management
|October 22, 2025
概括
深度浸泡溶剂 (DES) 增强了 (P) 的生物可用性,在来自污泥和酒厂废物的堆肥中. DES促进有机P转化为无机P,提高了肥料的潜力.
科学领域:
- 环境科学 环境科学
- 土壤科学 土壤科学
- 生物技术是生物技术.
背景情况:
- 可持续的肥料生产对农业至关重要.
- 有机废物堆肥提供了一种可行的营养回收途径.
- 在堆肥中 (P) 的生物可用性是植物吸收的关键因素.
研究的目的:
- 为了研究基于胆化物的深溶剂 (DES) 在共同堆肥过程中对转化的影响.
- 分析DES对溶解有机物 (DOM) 特性和微生物群落的影响.
- 评估DES修改堆肥作为可持续肥的潜力.
主要方法:
- 脱水污泥和蒸厂的谷物与或没有DES (乙烯基醇/酸) 的共同堆肥.
- 对分数,溶解有机物 (DOM) 和微生物群体组成的分析.
- 统计分析包括相关性和部分最小平方路径建模 (PLS-PM).
主要成果:
- DES显著增加了堆肥中的P生物可用性,增加了高达99.49%.
- DES促进了有机P转化为无机P,提高了营养素的可用性.
- 特定的细菌群体 (蛋白质细菌,菌) 与无机P分数正相关.
- 通过物理化学和微生物调节,DES直接和间接地提高了P的生物可用性.
- DOM特征没有受到影响,但类似的成分可能会导致P的释放.
结论:
- 基于胆化物的DES在有机废物共堆肥过程中有效地提高了的生物可用性.
- DES处理提供了一种可持续的方法,可以从污泥和酒厂废物中生产富含P的堆肥.
- 在堆肥中使用DES是一个有价值的废物到资源战略,用于长期的利用.
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