一种新型的菌根颗粒用于去除多环芳:高吸附性能及其机制
Jia Jie Zou1, Chaomeng Dai2, Jiajun Hu3
1College of Civil Engineering, Tongji University, Shanghai 200092, China; Shanghai Key Laboratory of Bio-Energy Crops, School of Life Sciences, Shanghai University, Shanghai 200444, China.
The Science of the total environment
|February 28, 2024
概括
素米ZJJ菌颗粒有效地去除有害的多环芳 (PAHs). 这种具有成本效益的生物吸收剂具有高吸附能力和环境耐受性,为PAH清除提供了可持续的解决方案.
科学领域:
- 环境微生物学环境微生物学
- 生物修复是一种生物修复.
- 吸附科学是一种吸附科学.
背景情况:
- 多环芳 (PAH) 是无处不在的有害污染物.
- 菌颗粒为污染物清除提供了潜在的生物吸收剂.
研究的目的:
- 为了评估Penicillium thomii ZJJ菌根颗粒作为PAH去除的生物吸收剂.
- 研究吸附机制,影响因素和这些生物吸收剂的适用性.
主要方法:
- 生物吸收实验使用活体和热杀死菌颗粒.
- 分析PAH去除效率,吸附能力和动力学.
- 研究影响因素,如pH值,盐度和湿酸.
主要成果:
- 菌根颗粒实现了对烯 (93.48%) 和其他PAHs的高去除率.
- 吸附是在自发的物理过程之后发生的,质量转移是限制速度的步骤.
- 含有carboxyl和N的组是主要的吸附点;细胞外聚合物质增强了吸附.
结论:
- 氏菌颗粒是有效的,低成本的PAHs的生物吸收剂.
- 生物吸收涉及静电和疏水相互作用,受环境因素的影响.
- 热杀死菌和EPS的组合提供了一种可行,环保的PAH修复方法.
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