相关实验视频

Updated: May 26, 2025

Development of Sulfidogenic Sludge from Marine Sediments and Trichloroethylene Reduction in an Upflow Anaerobic Sludge Blanket Reactor

Development of Sulfidogenic Sludge from Marine Sediments and Trichloroethylene Reduction in an Upflow Anaerobic Sludge Blanket Reactor

Published on: October 15, 2015

微生物增强的有氧堆肥用于有效降解活性污泥中的酸盐

Bogui Pan¹, Hong Tian¹, Qi-Feng Liang¹

¹College of Life Science and Technology, Jinan University, Guangzhou, 510632, PR China; Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, Jinan University, Guangzhou, 510632, PR China.

Journal of environmental management

|February 22, 2025

概括

用细菌增强的有氧化堆肥 (AEB) 显著增强了从活性污泥中去除甲酸 (PAE) 的能力. AEB重塑微生物群落,以更有效地降解PAE,帮助安全的污泥处理和资源利用.

科学领域:

环境科学环境科学
微生物学微生物学
生物技术是生物技术.

背景情况:

活性污泥中的甲酸 (PAE) 构成环境风险.
传统的有氧和无氧堆肥方法由于微生物社区的限制,显示PAE降解有限.

研究的目的:

评估细菌增强有氧堆肥 (AEB) 对活性污泥中PAE减少的有效性.
与无氧化堆肥 (ANB) 相比,研究在AEB中PAE降解背后的微生物机制.

主要方法:

进行了批量降解实验,以评估PAE去除效率.
进行了微生物社区分析,包括网络分析.
使用了功能基因预测和环境因素分析 (pH,氧,C:N代谢).

主要成果:

AEB治疗显著增加了PAE降解率 (DBP的2.11-3.93倍,DEHP的2.18-3.36倍).
AEB培养了由高效的PAE降解剂主导的细菌群落.
在AEB中的微生物网络更复杂 (1.5-1.8倍的节点数和连接性).
观察到PAE降解相关基因的丰富性增加和环境条件的优化.

结论:

用细菌增强的有氧堆肥是一种高效的方法,可以从活性污泥中去除PAE.
AEB促进了有利的微生物社区结构和功能,以促进PAE生物降解.
这种方法支持PAE污染活性污泥的安全处置和资源利用.

关键词:

活性污泥活动污泥堆肥堆肥是为了堆肥.微生物增强的增强微生物社区结构是微生物的社区结构.酸盐 (PAE) 是一种酸盐.

更多相关视频

Author Spotlight: Advancing Anaerobic Microbiota Research Using a Novel Respirometry Protocol

Author Spotlight: Advancing Anaerobic Microbiota Research Using a Novel Respirometry Protocol

Published on: April 26, 2024

Isolation of Native Soil Microorganisms with Potential for Breaking Down Biodegradable Plastic Mulch Films Used in Agriculture

Isolation of Native Soil Microorganisms with Potential for Breaking Down Biodegradable Plastic Mulch Films Used in Agriculture

Published on: May 10, 2013

相关概念视频

Bioremediation

Bioremediation

Bioremediation is the use of prokaryotes, fungi, or plants to remove pollutants from the environment. This process has been used to remove harmful toxins in groundwater as a byproduct of agricultural run-off and also to clean up oil spills.