对不同调节剂和微生物剂在乳制品便堆肥过程中对雌激素降解的影响进行比较
Yan Li1, Dong Zeng2, Xiao-Lu Jiang2
1Guangdong Engineering & Technology Research Center for System Control of Livestock and Poultry Breeding Pollution, South China Institute of Environmental Sciences, Ministry of Ecology and Environment of the PR China, Guangzhou 510655, China; Chongqing Three Gorges University, Chongqing, Wanzhou 404100, China.
乳制品肥料堆肥有效地使用调节剂和微生物剂去除雌激素. 用大米皮生物炭或贝粉处理显著增强了雌激素降解,减少了生态风险.
科学领域:
- 环境科学 环境科学
- 微生物学 微生物学
- 农业科学 农业科学
背景情况:
- 乳制品中的雌激素对生态构成风险.
- 堆肥是一种潜在的雌激素补救方法.
研究的目的:
- 为了评估乳制品肥堆肥过程中雌激素降解效率.
- 评估调节剂和微生物剂对雌激素去除的影响.
主要方法:
- 七个使用不同调节剂和微生物剂的堆肥处理被监测了30天.
- 量化了雌激素度和17β-雌激醇等效 (EEQ).
- 冗余分析 (RDA) 用于确定关键的环境因素.
主要成果:
- 雌激素去除率从95.35%到99.63%不等,SEEQ去除率从96.42%到99.72%不等.
- 结合大米生物炭 (RHB) 或贝粉 (OSP) 与生物细菌化肥初始培养 (BF) (RHB-BF,OSP-BF) 的处理显著加快了雌激素降解.
- 微生物剂增强了合成雌激素 (EE2,DES) 的降解.
- 确定pH和电导率 (EC) 是影响雌激素降解细菌的关键因素.
- 鉴定出Acinetobacter,Bacillus和Pseudomonas是主要的降解雌激素的基因.
结论:
- 乳制品肥料堆肥对雌激素的去除是有效的.
- RHB-BF和OSP-BF治疗显示出快速雌激素降解的高潜力.
- 了解微生物群落和环境因素的作用对于优化堆肥过程以减轻雌激素污染至关重要.
更多相关视频
13:38Isolation of Native Soil Microorganisms with Potential for Breaking Down Biodegradable Plastic Mulch Films Used in Agriculture
Published on: May 10, 2013
09:49Use of a Battery of Chemical and Ecotoxicological Methods for the Assessment of the Efficacy of Wastewater Treatment Processes to Remove Estrogenic Potency
Published on: September 11, 2016
相关概念视频
Biological Methods for Microbial Control
Chemical Agents for Microbial Control
Antimicrobial Effectiveness
Microorganisms in Agriculture and Food industry
Environmental Applications of Microorganisms
Surface Membrane Barriers
The outer layer of the skin, the epidermis, is a robust barrier comprising layers of closely packed keratinized cells. This dense arrangement prevents microbes from penetrating the body. The periodic shedding of epidermal cells...
