Determination of Heavy Metals in Groundwater Around Al-Buraihi Sewage Station in Taiz City, Yemen.

IF 2.4 Q1 Medicine
Journal of Health and Pollution Pub Date : 2021-06-17 eCollection Date: 2021-06-01 DOI:10.5696/2156-9614-11.30.210604
Raya Qaid Alansi, Abdelhafeez M A Mohammed, Mahmoud M Ali, Wadie Ahmed Mokbel Ghalib, Sajan Chimmikuttanda Ponnappa
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引用次数: 2

Abstract

Background: In recent years, mitigation of groundwater contamination resulting from the limited availability of freshwater for domestic use has become an important issue. The presence of heavy metals in water could have adverse effects on both plant and animal life.

Objectives: The main objective of the present study was to determine possible heavy metal contamination in groundwater around Al-Buraihi sewage station in Taiz, Yemen and to understand possible sources of contamination and their relationships with groundwater.

Methods: Wastewater samples were collected from a wastewater stabilization pond from Al-Buraihi sewage station and borewell water samples were collected from the vicinity. The presence of heavy metals was quantified using inductively coupled plasma-optical emission spectrometry (ICP-OES). Pearson correlation test was performed to understand the relationship between wastewater and groundwater samples.

Results: Physical variables including pH, electrical conductivity (EC), dissolved oxygen (DO) and temperature and elements such as silver (Ag), arsenic (As), aluminum (Al), barium (Ba), boron (B), cadmium (Cd), chromium (Cr), iron (Fe), molybdenum, nickel (Ni), selenium (Se) and zinc (Zn) exceeded the permissible limits recommended by international standards in wastewater samples.

Conclusions: Treated sewage wastewater in the study area is not suitable for irrigation as the elements/heavy metals are accumulated in soil and plants and may be accumulated in humans and animals through bio-accumulation. In addition, these heavy metals reach the water table and aquifers through percolation, thereby polluting groundwater.

Competing interests: The authors declare no competing financial interests.

也门塔伊兹市Al-Buraihi污水站附近地下水重金属含量测定
背景:近年来,减轻因家庭淡水供应有限而造成的地下水污染已成为一个重要问题。水中重金属的存在可能对植物和动物的生命产生不利影响。目的:本研究的主要目的是确定也门塔伊兹Al-Buraihi污水站周围地下水中可能存在的重金属污染,并了解可能的污染源及其与地下水的关系。方法:从Al-Buraihi污水站的废水稳定池中采集废水样本,并在附近采集井水样本。采用电感耦合等离子体发射光谱法(ICP-OES)对重金属的存在进行了定量分析。通过Pearson相关检验了解废水与地下水样品之间的关系。结果:废水样品中pH值、电导率(EC)、溶解氧(DO)、温度等物理变量和银(Ag)、砷(as)、铝(Al)、钡(Ba)、硼(B)、镉(Cd)、铬(Cr)、铁(Fe)、钼、镍(Ni)、硒(Se)、锌(Zn)等元素均超过国际标准推荐的允许范围。结论:研究区处理后的污水不适合灌溉,其元素/重金属在土壤和植物中积累,并可能通过生物积累在人和动物中积累。此外,这些重金属通过渗透到达地下水位和含水层,从而污染地下水。利益竞争:作者声明没有经济利益竞争。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Journal of Health and Pollution
Journal of Health and Pollution Medicine-Public Health, Environmental and Occupational Health
自引率
0.00%
发文量
0
审稿时长
18 weeks
期刊介绍: The Journal of Health and Pollution (JH&P) was initiated with funding from the European Union and World Bank and continues to be a Platinum Open Access Journal. There are no publication or viewing charges. That is, there are no charges to readers or authors. Upon peer-review and acceptance, all articles are made available online. The high-ranking editorial board is comprised of active members who participate in JH&P submissions and editorial policies. The Journal of Health and Pollution welcomes manuscripts based on original research as well as findings from re-interpretation and examination of existing data. JH&P focuses on point source pollution, related health impacts, environmental control and remediation technology. JH&P also has an interest in ambient and indoor pollution. Pollutants of particular interest include heavy metals, pesticides, radionuclides, dioxins, polychlorinated biphenyls (PCBs), polycyclic aromatic hydrocarbons (PAHs), volatile organic compounds (VOCs), air particulates (PM10 and PM2.5), and other severe and persistent toxins. JH&P emphasizes work relating directly to low and middle-income countries, however relevant work relating to high-income countries will be considered on a case-by-case basis.
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