Elemental and Ecological Health Risk Assessment of Wastewater and Soils Collected During the Wet Season at Selected Industrial Sites in Kano Nigeria

Academic Journal of Chemistry Pub Date : 2024-01-24 DOI:10.32861/ajc.91.1.10

Salisi Salisu, Anhwange B. A., Peter Adie A.

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Abstract

In this study, the elemental analysis of soils and effluents collected from selected manufacturing industries in Kano metropolis of Nigeria West Africa for the wet season of 2020 has been carried out using standard analytical methods, Analar grade reagents and approved calibrated equipment. All samples were analyzed in triplicates and the outcome values are presented as mean concentration in mg/kg. The mean concentration of heavy metals evaluated such as Co, Cd, Cr, Zn, Mn, Fe, Ni and Pb show mixed levels (excessive, moderate and normal levels) when compared to the recommended levels by NESREA. Contamination factor (CF) and contamination degree (Cd) was determined for investigated elements in all 58 samples. CF for Ni, Pb, Fe, Mn and Zn were all ˂ 1, implying no potential ecological risk contamination. Enrichment factor (EF) was calculated to determine anthropogenic input of metals in all the samples investigated. High enrichment factor for samples MW, MS, ADS, FS, PPS, MW, DW, PPW, MyW, DFS, DS, AS, LZS, 7upW, and DFW (67.2 % of the samples), The mean concentration of the metals is an indication of pollution was tested with a high implication outcome most likely, when samples are continuously emptied into the environment untreated. Safe to remind us that heavy metals are toxic with excessive human health risks.

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对尼日利亚卡诺部分工业场所雨季收集的废水和土壤进行元素和生态健康风险评估

本研究采用标准分析方法、Analar 级试剂和经认可的校准设备，对 2020 年雨季从尼日利亚西非卡诺市选定制造业收集的土壤和污水进行了元素分析。所有样品均进行了三重分析，分析结果以平均浓度（毫克/千克）表示。所评估的重金属（如钴、镉、铬、锌、锰、铁、镍和铅）的平均浓度与 NESREA 建议的水平相比，呈现出混合水平（超标、中等和正常水平）。对所有 58 个样本中的调查元素进行了污染因子（CF）和污染度（Cd）测定。镍、铅、铁、锰和锌的污染因子均为˂ 1，这意味着没有潜在的生态风险污染。通过计算富集因子（EF）来确定所有调查样本中金属的人为输入量。样品 MW、MS、ADS、FS、PPS、MW、DW、PPW、MyW、DFS、DS、AS、LZS、7upW 和 DFW 的富集因子较高（占样品的 67.2%）。这提醒我们，重金属具有毒性，对人体健康的危害极大。

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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Academic Journal of Chemistry

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