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Title

Degradation of Acid Orange 7 Dye with PMS and H2O2 Activated by CoFe2O4/PAC Nanocomposite

Year: 1397
COI: JR_AHS-8-1_005
Language: EnglishView: 77
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Authors

Shirin Esmaeili - Department of environmental health engineering, School of Health, Ahvaz Joundishapour University of medical sciences, Ahvaz, Iran
Mahboobeh Dehvari - Department of environmental health engineering, School of Health, Ahvaz Joundishapour University of medical sciences, Ahvaz, Iran
AliAkbar Babaei - Department of environmental health engineering, School of Health, Ahvaz Joundishapour University of medical sciences, Ahvaz, Iran

Abstract:

Background & Aims of the Study: Discharge of untreated colored wastewater into aquatic environments could cause problems such as cancer. Among the various treatment methods, advanced oxidation processes (AOPs) have attracted much attention in recent years. The aim of this study was the removal of acid orange 7 dye using CoFe2O4@PAC nanocomposite in the presence of peroxymonosulfate (PMS) and hydrogen peroxide (H2O2). Materials & Methods: The various variables effect including pH, catalyst dose, peroxymonosulfate and hydrogen peroxide concentration, reaction time, and initial dye concentration were evaluated. The synthesized nanocomposite was characterized by SEM, EDX, XRD and BET analyses. The residual concentration of AO7 dye was determined using UV–Vis spectrophotometer at wavelength of 485 nm. Results: It was found that decolorization increases by increasing the catalyst dosage and reaction time, and decreasing pH. With increasing the dye initial concentration from 10 mg/L to 250 mg/L, in the presence of H2O2 and PMS dye removal decreased from 99.5% to 39.7% and from 99.9% to 43.7%, respectively. The adsorption kinetics was found to follow pseudo-first-order kinetic model (R2>0.99). Conclusions: The results indicated that the prepared composite could be used as an effective and environmental friendly magnetic adsorbent for the removal of AO7 dye from aqueous solutions.

Keywords:

Paper COI Code

This Paper COI Code is JR_AHS-8-1_005. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/1158002/

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If you want to refer to this Paper in your research work, you can simply use the following phrase in the resources section:
Esmaeili, Shirin and Dehvari, Mahboobeh and Babaei, AliAkbar,1397,Degradation of Acid Orange 7 Dye with PMS and H2O2 Activated by CoFe2O4/PAC Nanocomposite,https://civilica.com/doc/1158002

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