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地电成像和集群分析用于市政固体废物填埋场的液测绘:巴西的一个案例研究

Mariana Barbosa Juarez¹, Heraldo Luiz Giacheti¹, Ana Paula do Nascimento¹

¹Department of Civil and Environmental Engineering, São Paulo State University (UNESP), Bauru, SP, Brazil.

Waste management (New York, N.Y.)

|December 13, 2025

概括

地理学成像有效地绘制了巴西一个有24年历史的垃圾填埋场的液和退化情况. 这种监测技术揭示了老化城市固体废物 (MSW) 的能量回收潜力.

科学领域:

地质物理学地质物理学
环境工程环境工程
废物管理废物管理

背景情况:

垃圾填埋场的稳定性和环境保护对于城市固体废物 (MSW) 管理至关重要,特别是在热带气候中.
温暖,潮湿的条件加快了垃圾填埋场的液和气体生产.
长期监测旧垃圾填埋场对于评估环境风险和资源潜力至关重要.

研究的目的:

用地质物理方法调查巴西一处24年历史的垃圾填埋场的液分布和废物降解情况.
评估电阻断层扫描 (ERT) 和诱导极化 (IP) 的有效性,以描述垃圾填埋场内部条件.
评估老化MSW的能量回收潜力.

主要方法:

进行了电电阻断层扫描 (ERT) 和时间域诱导极化 (IP) 调查.
无监督机器学习,可视化工具和R编程用于数据分析.
进行标准透测试 (SPT) 以验证地质物理解释.

主要成果:

在20年间隔获得的地质物理概况显示出大量的液存在,以及不同的废物降解率.
确定了七个地质电气集群,与材料类型,和和有机物质含量相关.
SPT证实了复杂的流体分布,有液喷射和气体排放与低电阻和高可充电区域相关.

结论:

地质影像技术对于监测旧垃圾填埋场内的条件是有效的.
这项研究强调了废物降解和流体分布在时间上的异质性.
旧的MSW垃圾填埋场具有能量回收的潜力,受到地质物理特征的支持.

关键词:

生物降解生物降解地质物理方法地质物理方法在现场测试.K-表示集群.溶解液是一种溶解液.

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