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:: Volume 2, Issue 4 (6-2015) ::
jehe 2015, 2(4): 305-318 Back to browse issues page
Efficacy of Persulfate-Based Advanced Oxidation Process (UV / Na2S2O8 / Fe2+) for Dimethyl Phtalate (DMP) Removal from Aqueous Solutions
Mojtaba Yegane Badi , Ali Esrafili , Roshanak Rezaei Kalantary , Ali Azari , Ehsan Ahmadi , Ahmad Mokhtari , Mitra Gholami *
Abstract:   (4152 Views)

Background and objective: The chemical industries develepment causes discharge of synthetic chemical compounds such as organic esters and plasticizers into the environment. Phthalic acid esters (PAEs) are refractory, hazardous, and emerging compounds that they produce dysfunction in hormones and endocrine, reproductive problems and cancer. Also this compounds enter into the environment through industrial effluent and causing environmental problems. The purpose of this study was evaluating the the application of UV/ Na2S2O8 / Fe2+ for DMP removal from aqueous solution.

Materials and Methods: In the present study, effects of variables including, pH, persulfate concentration, Fe2+ concentration and time were studied as laboratory scale in batch method. Residual concentrations of DMP were determined by HPLC at 254 nm. The impacts of in dependent parameters on DMP removal percent were evaluated with Multi simplex and the response level(box Behnken method).

Results: In this study, pH = 11, persulfate concentration of 0.51 Mmol/L, Fe2+ concentration 0.08 Mmol/L for 90 minutes, as conditions were optimized. The results showed that the DMP removal by UV/ Na2S2O8 / Fe2+ process follows first order reaction.

Conclusion: The obtained results showed that UV/ Na2S2O8 / Fe2+ process for removing DMP from aquatic environments, has high efficiency (98% removal under optimal conditions). According to the results of study, the UV/ Na2S2O8 / Fe2+ can be used as an effective method for removing DMP from the chemical industries.

Keywords: Dimethyl phthalate, UV, Persulfate radical, Fe (II)
Full-Text [PDF 1229 kb]   (1709 Downloads)    
Type of Study: Research | Subject: Special
Received: 2016/03/6 | Accepted: 2016/03/6 | Published: 2016/03/6
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Yegane Badi M, Esrafili A, Rezaei Kalantary R, Azari A, Ahmadi E, Mokhtari A et al . Efficacy of Persulfate-Based Advanced Oxidation Process (UV / Na2S2O8 / Fe2+) for Dimethyl Phtalate (DMP) Removal from Aqueous Solutions. jehe 2015; 2 (4) :305-318
URL: http://jehe.abzums.ac.ir/article-1-192-en.html

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Volume 2, Issue 4 (6-2015) Back to browse issues page
مجله مهندسی بهداشت محیط Journal of Environmental Health Enginering
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