Risk assessment of exposure to heavy metals (Pb, Cd, Cr, and Ni) in the hazardous solid wastes identified in the wastewater treatment plant of industrial city

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Kariab Hamid; Emamjomeh Mohammad Mehdi; Zakariaie Sheida

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Journal Paper

Paper Information

Journal: Iranian Journal of Health and Environment Year:2023 | Volume:15 | Issue:4 Page(s): 601-616

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Information Journal Paper

Title

Risk assessment of exposure to heavy metals (Pb, Cd, Cr, and Ni) in the hazardous solid wastes identified in the wastewater treatment plant of industrial city

Author(s)

Kariab Hamid | Emamjomeh Mohammad Mehdi | Zakariaie Sheida | Issue Writer Certificate

Keywords

Wastewater treatment plant sludge

Solid waste

Heavy metals

Basel convention

Ecological and health risk assessment

Abstract

Background and Objective: Due to the presence of Heavy metals (HMs), sludge produced in industrial wastewater treatment plants (WWPT) is classified as special waste and can cause adverse health effects. The present study aimed to identify special wastes and assess the risk associated with the presence of HMs in the sludge of WWTP from an Industrial City. Materials and Methods: Identifying the special wastes was conducted using a checklist, and classification was performed in accordance with the Basel convention. Ecological risk assessment was done by determining the geo-accumulation and ecological indexes. The estimation of health risk was done by determining HQ and ELCR indexes. Results: The highest amount of special waste was allocated to sludge with a value of 3900/0 kg/month. Chromium was detected in the highest concentration (95. 89 ±,52. 15 mg/kg). The level of chromium and nickel pollution was evaluated in the low range, and cadmium was very severe. The ecological risk of lead was estimated in a significant range and was very high for cadmium. The HQ was less than 1, and the ELCR for inhalation and dermal exposure was estimated to be lower than the acceptable risk level of WHO. Conclusion: The present study showed that the largest amount of special waste is dedicated to sludge. Although the concentration of HMs was lower than the acceptable limits, the sludge had a high ecological risk level. Therefore, the accumulation and transfer of sludge must be carried out under the provisions of the Basel convention and environmental considerations.

Cites

Investigating the effect of micro aerobic process on the efficiency of anaerobic digester of sulfate-rich municipal sewage sludge

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APA: Copy

Kariab, Hamid, Emamjomeh, Mohammad Mehdi, & Zakariaie, Sheida. (2023). Risk assessment of exposure to heavy metals (Pb, Cd, Cr, and Ni) in the hazardous solid wastes identified in the wastewater treatment plant of industrial city. IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT, 15(4 ), 601-616. SID. https://sid.ir/paper/1120003/en

Vancouver: Copy

Kariab Hamid, Emamjomeh Mohammad Mehdi, Zakariaie Sheida. Risk assessment of exposure to heavy metals (Pb, Cd, Cr, and Ni) in the hazardous solid wastes identified in the wastewater treatment plant of industrial city. IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT[Internet]. 2023;15(4 ):601-616. Available from: https://sid.ir/paper/1120003/en

IEEE: Copy

Hamid Kariab, Mohammad Mehdi Emamjomeh, and Sheida Zakariaie, “Risk assessment of exposure to heavy metals (Pb, Cd, Cr, and Ni) in the hazardous solid wastes identified in the wastewater treatment plant of industrial city,” IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT, vol. 15, no. 4 , pp. 601–616, 2023, [Online]. Available: https://sid.ir/paper/1120003/en

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