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一种可生物降解的基托基聚合物,用于持续释放营养物质,以刺激地下水碳化合物降解微生物群

Jili Wang¹, Yuling Zhang¹, Ting Liu¹

¹Key Lab of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun 130021, China; College of New Energy and Environment, Jilin University, Changchun 130021, China; Institute of Water Resources and Environment, Jilin University, Changchun 130021,China.

|October 13, 2023

概括

这项研究开发了一种新型生物刺激剂 (YZ-1),用于增强污染地下水中的石油碳化合物降解. YZ-1有效地刺激本地微生物,显著增加降解率和改善地下水质量.

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:

石油碳化合物污染损害了地下水生态系统.
低本土微生物种群和营养缺乏限制了自然补救.
需要有效的战略来增强受污染的地下水的生物修复.

研究的目的:

为了确定有效的营养物质用于石油碳化合物降解.
开发一种可控释放生物刺激剂,以增强本土微生物群活动.
评估开发的生物刺激剂在被石油碳化合物污染的地下水中的有效性.

主要方法:

通过现场调查和微观实验来识别营养素.
使用控制释放技术开发一种可生物降解的基于酸盐的封装生物刺激剂 (YZ-1).
评估YZ-1对污染地下水中的微生物生长和石油碳化合物降解率的影响.

主要成果:

对于营养成分,YZ-1的活性持续时间是5-6倍,持续释放时间超过2个月.
本地微生物显示出快速增长和石油碳化合物降解的增加从43.03%到79.80%在7天内 (10毫克L-1).
YZ-1有效地促进了石油碳化合物度 (2-20毫克L-1) 的降解,在7天内达到71.73-80.54%的降解.

结论:

开发的YZ-1生物刺激剂有效地刺激土著微生物群对地下水中的石油碳化合物降解.
YZ-1的控制释放机制确保了长寿和适应不同污染水平的适应性.
这项技术为改善石油碳化合物污染的地下水生态系统的生物修复提供了有希望的解决方案.

关键词:

生物刺激是生物刺激.地下水的地下水.在现场进行生物修复.土著的功能性微生物群落.石油的碳化合物石油的碳化合物缓解释放的缓慢释放

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