Copper-Modified Iron Oxide Nanoparticles: A Novel Catalyst for Effective Congo Red Dye Degradation in Wastewater Treatment

Rida Zulfiqar *

Department of Chemistry, University of Agriculture, Faisalabad 38040, Pakistan.

Hira Zulfiqar

Department of Chemistry, University of Bologna, Italy.

Sufyan Aslam

Department of Chemistry, Government College University Faisalabad, 38000, Pakistan.

Shehram Qazafi

Department of pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, 45320, Pakistan.

Faqeer Muhammad

Institute of Chemical Sciences, Bahauddin Zakariya University, Multan 60800, Pakistan.

Ashraf Hussain

Institute of Chemical Sciences, Bahauddin Zakariya University, Multan 60800, Pakistan.

Umber Arzoo

Department of Chemistry, Government College University Faisalabad, 38000, Pakistan.

Rafia Ismail

Institute of Chemical Sciences, Bahauddin Zakariya University, Multan 60800, Pakistan.

*Author to whom correspondence should be addressed.


The raising worldwide water tainting from different sources has delivered admittance to unpolluted drinking water progressively testing. The release of effluents containing colors into water bodies become as a basic ecological worry lately. Regular treatment strategies are insufficient in wiping out these steady and risky poisons, requiring the investigation of novel methodologies. In this review, Cu-doped FeO nanoparticles were easily blended by using a co-precipitation strategy, and their synthetic qualities were entirely analyzed. These nanoparticles showed extraordinary adsorption abilities in the corruption of various color compounds. In particular, manufactured acidic color was focused on for expulsion utilizing metal-doped nanoparticles. Ideal boundaries for maximal acidic color not set in stone by surveying the adsorbent portion, beginning color focus, contact time, and temperature. The pH was distinguished as a critical variable, with the best incentive for maximal adsorption of Congo Red Dye viewed as less than 7. As indicated by late discoveries, Cu/FeO nanoparticles displayed unrivalled adsorption limit with regards to Congo Red Dye color at an ideal pH of 2, a measurement of 0.5 g/500 mL, a contact season of an hour and a half, and a color centralization of 150 ppm at 35° centigrade. Pseudo second order adsorption kinetic model exhibited amazing fitting outcomes for adsorption energy and balance information.

Keywords: Nanotechnology, ferric oxide nanoparticles, dopping, adsorption, coprecipitation method, kinetic, equilibrium modeling

How to Cite

Zulfiqar , R., Zulfiqar , H., Aslam , S., Qazafi , S., Muhammad , F., Hussain, A., Arzoo , U., & Ismail , R. (2024). Copper-Modified Iron Oxide Nanoparticles: A Novel Catalyst for Effective Congo Red Dye Degradation in Wastewater Treatment. International Research Journal of Pure and Applied Chemistry, 25(3), 43–54.


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