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工程生物炭混合粘土用于在猪堆肥过程中微塑料生物降解

Yuwen Zhou¹, Mukesh Kumar Awasthi¹, Asad Syed²

¹College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi Province, 712100, China.

Environmental pollution (Barking, Essex : 1987)

|June 16, 2024

概括

在猪 (PM) 堆肥过程中添加的核桃生物炭 (WSB) 通过改变细菌群体加速了微塑料 (MP) 的生物降解. 最佳的WSB度显著降低了MP的碳含量和化学键,表明MP的有效降解.

科学领域:

环境科学环境科学
微生物学微生物学
材料科学材料科学材料科学

背景情况:

微塑料 (MP) 污染是一个日益严重的环境问题.
堆肥是一种潜在的MP生物降解方法.
核桃生物炭 (WSB) 和蒙莫里隆石 (M) 可以影响堆肥过程.

研究的目的:

调查WSB和M在猪 (PM) 堆肥过程中对细菌群体继承的影响.
为了确定加速MP生物降解的最佳WSB度.
用WSB进行堆肥时分析MP中的化学变化.

主要方法:

用不同的WSB (0-12%) 和10%M度对PM进行堆肥42天.
使用高通量测序对细菌社区结构的分析.
使用能量分散光谱仪 (EDS) 和富里埃变换红外光谱仪 (FTIR) 进行MP降解的表征.

主要成果:

细菌群落主要由菌,蛋白质细菌,柔性菌和细菌菌群主导.
在堆肥过程中,WSB的添加显著改变了细菌群体的组成.
在较高的WSB剂量下,MP碳含量减少了高达20.25%,CC,C-O,C-H和-COOH键减少.

结论:

添加WSB有效调节细菌群落,并在PM堆肥过程中增强PM的生物降解.
使用最佳WSB度的堆肥提供了一种减轻MP污染的实际解决方案.
这项研究表明,生物炭改性堆肥在环境修复方面的潜力.

关键词:

细菌社区的细菌社区堆肥堆肥是为了堆肥.微塑料是一种微塑料.蒙莫里隆石是一种蒙莫里隆石.核桃的生物碳是核桃的生物碳.

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