A Review on the Adsorption of Heavy Metals from Stormwater using Fired Clay

IJEP 44(3): 250-256 : Vol. 44 Issue. 3 (March 2024)

Khairat Y. Abbas* and Ali J. Jaeel

Wasit University, Department of Water and Environmental Engineering, College of Engineering, Kut 52001, Iraq


One of the worst issues in cities is environmental pollution, particularly from heavy metals in wastewater. The concentration of heavy metals has reached harmful levels as a result of increased traffic, road maintenance, sewage floods, car emissions and pavement deterioration. Lead, nickel, zinc, cadmium, iron, copper and manganese are some of the heavy metals that are found in rainwater. To date, many techniques for removing heavy metals from water were found to be effective, including ion exchange, chemical precipitation, electrodialysis, reverse osmosis, nanofiltration, ultrafiltration, flocculation, coagulation and floating. However, such procedures have a number of limitations, including a need for more reagents and the removal of unanticipated metal ions. Adsorption is a pretty straightforward process. It has emerged as the most used removal technique since it is affordable, efficient and adaptable. The utilization of numerous widely accessible natural adsorbents is reviewed in this research. Low-cost materials, include sawdust, waste tea leaves, fired clay, rice husk, eggshells, zeolite and activated carbon.


Stormwater, Heavy metal, Adsorption, Low-cost, Fired clay


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