在表面之下:评估尼日利亚拉各斯主要固体废物填埋场附近的污染水平
Udeme Olaniyan1, May A Massoud2, Ibrahim Alameddine3
1Department of Environmental Health, Faculty of Health Sciences, American University of Beirut, Riad el Solh, P.O. Box 11-0236, Beirut, 1107 2020, Lebanon.
Environmental monitoring and assessment
|November 1, 2024
概括
拉各斯的固体废物管理对土壤质量产生重大影响,因为垃圾场附近的营养素和重金属含量较高. 虽然水质在很大程度上仍然可以接受,但实施废物分离和回收对于环境保护至关重要.
科学领域:
- 环境科学 环境科学
- 环境化学环境化学
- 公共卫生 公共卫生
背景情况:
- 固体废物管理在快速发展的国家,特别是尼日利亚是一个关键的环境挑战.
- 开放的倾销行为导致土壤和水质的恶化,造成严重的环境和公共卫生风险.
- 拉各斯是全球南方的一座超大城市,由于人口增长和监管不足,它面临着严重的废物管理问题.
研究的目的:
- 评估拉各斯主要垃圾场附近的土壤和水资源的环境风险和污染状况.
- 为全球城市环境中针对性干预和政策措施提供见解.
- 评估垃圾填埋场对土壤和水的关键参数的影响.
主要方法:
- 分析土壤参数,包括总 (TN),pH,硫酸盐,酸盐和电导率.
- 评估土壤和水样中的重金属度.
- 根据世卫组织标准,对钻井和手工挖井的水质参数 (pH,TDS,重金属) 的评估.
主要成果:
- 土壤的参数,如TN,pH,硫酸盐,酸盐和电导率因倾倒点的邻近而发生显著变化.
- 在某些情况下,土壤中的重金属度超过了允许的国际限值.
- 水质参数大多在世卫组织的限制内;钻井水被认为是安全的饮用,手挖井水适合清洁.
结论:
- 拉各斯的开放式垃圾场对土壤质量产生重大影响,并且由于重金属污染而带来潜在风险.
- 虽然附近的水资源的影响较小,但持续监测至关重要.
- 有效的废物分离,回收利用,受控的垃圾填埋和公众意识是推的干预措施,需要财政投资和政府承诺.
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