Experimental and DFT Studies of Comparison Between CuO and CuO-Fe₂O₃ to Remove Dye Pollutants from Aqueous Solution

سال انتشار: 1404
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 118

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شناسه ملی سند علمی:

JR_AJCS-8-4_002

تاریخ نمایه سازی: 13 آبان 1403

چکیده مقاله:

The objective of this study is to measure the elimination of Eriochrome Black T from aqueous solutions using Cu and CuO-Fe۲O۳ adsorbents. CuO and CuO-Fe۲O۳ were prepared by modified green method, and several strategies were used to characterize it such as EDX, SEM, and XRD. Batch adsorption tests were carried out using a number of variables, including the effect of shaking time, the effect of PH, and the effect of the amount of adsorbent. The results indicated that the removal of Eriochrome black T on CuO and Cuo-Fe۲O۳ had the highest connection time of ۶۰ min. The condition of balance was accurate using the Freundlich and Langmuir models. The adsorption kinetics data were followed by the pseudo-second-order model. The kinetic studies show that the pseudo-second-order model can represent Eriochrome black T adsorption procedures. Based on the thermodynamic analysis, Eriochrome black T adsorption is an exothermic and spontaneous process, while for CuO-Fe۲O۳, physico-sorption is endothermic and spontaneous.

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نویسندگان

Noor Ali Einad

Department of Chemistry, College of Science, Mustansiriyah University, Baghdad, Iraq

Mudeer Mubarak Merza

Department of Chemistry, College of Science, Mustansiriyah University, Baghdad, Iraq

Ahmad Hussian Ismail

Department of Chemistry, College of Science, Mustansiriyah University, Baghdad, Iraq

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