Agricultural Engineering Department, Faculty of Agriculture, Cairo University, 12613, Giza, Egypt; Biosystems Engineering Research Department, Agriculture Engineering Research Institute, 12613, Giza, Egypt.
Agricultural Engineering Department, Faculty of Agriculture, Cairo University, 12613, Giza, Egypt.
Chemosphere. 2023 Mar;318:137872. doi: 10.1016/j.chemosphere.2023.137872. Epub 2023 Jan 16.
The objectives of this study were to assess the environmental impact of industrial wastewater disposal in the El-Khadrawiya agricultural drain, Menoufia Governorate, Egypt, as well as the effect on water, soil, and plant qualities in the drain's extension area, which was primarily adjacent to the industrial zone. The analyses results of wastewater at El-Khadrawiya drain revealed that heavy metal concentrations in water samples exceeded WHO permitted limits. Heavy metal levels followed the following pattern: (Pb > Zn > Cr > Cd > Ni > As), where Heavy metal levels average were: (1.8492 > 1.7857 > 0.1815 > 0.1578 > 0.059 > 0.0048. Wastewater, soil and plant samples were analyzed using (PerkinElmer AAnalyst 400 Atomic Absorption Spectrometer A Analyst 400), Heavy metal pollution evaluation indicators: Target hazard quotient (THQ), Hazard index (HI), Chronic daily intake (CDI), Carcinogenic risk (CR), and Heavy metals pollution index (HPI)) showed that a majority of samples discovered values referring to carcinogenic health risks for the population. In contrast, the soil contamination indices followed the same trend, with the contamination factor (CF) indicating that the majority of samples exposed low to medium levels of pollution for (Ni, Cd, and Zn), while Pb and Cr were between high and very high, and the contamination degree (Cd) and modified degree of contamination (mCd) indicating that the majority of samples revealed the medium level of pollution, with the exception of one site with a high level of contamination. The bioaccumulation factor (BAF) revealed that heavy metal accumulation in plants exceeds the critical range. This study should be expanded to include additional agricultural regions with comparable conditions in order to provide environmental monitoring of present challenges and work toward solutions.
本研究的目的是评估埃及门努菲亚省 El-Khadrawiya 农业排水沟中工业废水处理的环境影响，以及该排水沟延伸区（主要毗邻工业区）的水质、土壤和植物质量的影响。El-Khadrawiya 排水沟废水中的重金属分析结果显示，水样中的重金属浓度超过了世界卫生组织允许的限度。重金属水平遵循以下模式：（Pb > Zn > Cr > Cd > Ni > As），其中重金属平均水平为：（1.8492 > 1.7857 > 0.1815 > 0.1578 > 0.059 > 0.0048）。废水、土壤和植物样品采用（PerkinElmer AAnalyst 400 原子吸收光谱仪 A Analyst 400）进行分析，重金属污染评价指标：目标危害系数（THQ）、危害指数（HI）、慢性日摄入量（CDI）、致癌风险（CR）和重金属污染指数（HPI））表明，大多数样本发现的值与人口的致癌健康风险有关。相比之下，土壤污染指数也呈现出相同的趋势，污染系数（CF）表明，大多数样本显示出低到中等水平的污染（Ni、Cd 和 Zn），而 Pb 和 Cr 处于高到非常高之间，污染程度（Cd）和污染修正程度（mCd）表明，大多数样本显示出中等水平的污染，只有一个样本显示出高水平的污染。生物积累系数（BAF）显示，植物中重金属的积累超过了临界范围。这项研究应该扩展到包括具有类似条件的其他农业地区，以便对当前的挑战进行环境监测，并寻求解决方案。
