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通过基于污染物电子负性的再氧化管理,修复多双污染土壤的策略

S Subramani¹, Ankita Bagde¹, Aniket Balke¹

¹CSIR-NEERI (National Environmental Engineering Research Institute), Nehru Road, Nagpur, 440020, India.

Bulletin of environmental contamination and toxicology

|December 27, 2023

概括

甲醇有效地增强了使用常见牛微生物的多二 (PCB) 等持久有机污染物 (POP) 的无氧生物降解. 这项研究强调甲醇是PCB生物修复的成本效益高的电子捐赠体,不需要专门的细菌.

科学领域:

环境科学环境科学
微生物学微生物学
环境化学环境化学

背景情况:

持久性有机污染物 (POP),如多二 (PCB),是缺电子的,有利于无氧生物降解.
目前关于PCB生物修复的研究主要集中在有氧方法和特定微生物菌株上.
电子捐赠者在增强本地微生物群的PCB还原代谢中的作用尚未得到充分研究.

研究的目的:

调查甲醇作为PCB无氧生物降解的电子捐赠者的有效性.
使用一般微生物注射剂 (牛) 评估PCB的降解率和去除百分比.
展示PCB无需生物增强的具有成本效益的生物修复策略.

主要方法:

利用牛作为本地微生物群的来源.
在无氧系统中,应用甲醇作为主要电子捐赠体.
量化了高化双的降解率和百分比去除.

主要成果:

使用甲醇和奶牛便实现了PCB的高特异性降解率 (0.0542-0.0637 /天).
观察到显著的PCB去除百分比从67.7%到71.7%不等.
证明了PCB生物降解的成功,无需使用专门的微生物进行生物增量.

结论:

甲醇作为PCB无氧生物修复的有效和经济的电子捐赠者.
牛中的本地微生物群可以有效地降解PCB,如果提供适当的电子捐赠者.
这种方法为管理PCB污染提供了一个有希望的,具有成本效益的策略.

关键词:

无氧生物降解是一种无氧生物降解.牛的便是牛的便.电子捐赠者是电子的捐赠者甲醇是甲醇中的一种.微观宇宙是一个微观宇宙.这就是为什么PCB PCB.

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