Solid Waste Management Practices and Health Risks Assessment of Heavy Metals in Soils Within Public Healthcare Facilities in Abeokuta, Southwest, Nigeria

Q4 Environmental Science

Journal of Solid Waste Technology and Management Pub Date : 2022-05-01 DOI:10.5276/jswtm/2022.165

F. F. Oyebanji, A. James, K. A. Olatunde, O. Aremu

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引用次数: 0

Abstract

This study assessed solid healthcare (SHC) waste management practices and levels of heavy metals in soils within four public healthcare facilities in Abeokuta, Nigeria. Walkthrough observation and one-on-one interviews were used to elicit information on waste management practices. Topsoils of waste storage areas were collected and analyzed for heavy metals using Atomic Absorption Spectrometry. SHC general waste is often burnt and buried at the general hospitals while licensed private operators collect it at the Clinics and Specialist hospitals. The Specialist Hospitals generate the highest weight of all the waste categories and in the order; general > infectious > sharps > pathological > pharmaceutical, with the clinic having the highest rate of waste generated/patient (0.8kg/day). Heavy metal concentration (mg/kg) ranges are 5321.46 – 9356.49 (Fe), 96.72 – 314.49 (Zn) and 8.58 – 20.77 (Cr), with an indication of potential non-carcinogenic risks for all exposure routes for both adults and children. Mixed storage of all waste types is still being practised in some healthcare facilities, which portends the risk of infection transmission and environmental pollution. Hence, there is a need to improve the segregation and special handling of SHCW to avoid environmental contamination and negative health-related impacts.

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尼日利亚西南部阿贝奥库塔公共医疗机构内固体废物管理做法和土壤重金属健康风险评估

这项研究评估了尼日利亚Abeokuta四个公共医疗机构的固体医疗废物管理实践和土壤重金属水平。演练观察和一对一访谈被用来获取有关废物管理做法的信息。收集废物储存区的表土，并使用原子吸收光谱法对其进行重金属分析。SHC一般废物通常在综合医院焚烧和掩埋，而持牌私人运营商则在诊所和专科医院收集。专科医院在所有垃圾类别中产生的重量最高；一般>感染性>尖锐物>病理性>药物，诊所的废物产生率最高（0.8公斤/天）。重金属浓度（mg/kg）范围为5321.46–9356.49（Fe）、96.72–314.49（Zn）和8.58–20.77（Cr），表明成人和儿童的所有接触途径都有潜在的非致癌风险。一些医疗机构仍在对所有类型的废物进行混合储存，这预示着感染传播和环境污染的风险。因此，有必要改进SHCW的隔离和特殊处理，以避免环境污染和对健康的负面影响。

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来源期刊

Journal of Solid Waste Technology and Management Environmental Science-Waste Management and Disposal

CiteScore

0.60

自引率

0.00%

发文量

期刊介绍： The Journal of Solid Waste Technology and Management is an international peer-reviewed journal covering landfill, recycling, waste-to-energy, waste reduction, policy and economics, composting, waste collection and transfer, municipal waste, industrial waste, residual waste and other waste management and technology subjects. The Journal is published quarterly (February, May, August, November) by the Widener University School of Engineering. It is supported by a distinguished international editorial board.