Application of the photo-Fenton process to the mineralization of phthalic anhydride in aqueous medium
The oxidation of phthalic anhydride, a chemical widely used as plasticizer, was studied in aqueous medium of pH 3 by the photochemical advanced oxidation process “photo-Fenton” using UV irradiation. This process generates, in a catalytic way, the hydroxyl radicals, a powerful oxidant species, for th...
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| Veröffentlicht in: | Desalination and water treatment 2011-01, Vol.25 (1-3), p.210-215 |
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| creator | Trabelsi-Souissi, Souhaila Oturan, Nihal Bellakhal, Nizar Oturan, Mehmet A. |
| description | The oxidation of phthalic anhydride, a chemical widely used as plasticizer, was studied in aqueous medium of pH 3 by the photochemical advanced oxidation process “photo-Fenton” using UV irradiation. This process generates, in a catalytic way, the hydroxyl radicals, a powerful oxidant species, for the oxidation of organic pollutants. The kinetics of the oxidative degradation of phthalic anhydride and that of the solution mineralization was investigated through the effect of some operating parameters such as the ratio R = [H2O2]/[Fe3+] and the initial catalyst concentration. The values of R = 40 and Fe3+ ion (catalyst) concentration of 0.1mM were found as optimum operating parameters. Mineralization of phthalic anhydride aqueous solution under the optimal conditions was followed by the total organic carbon (TOC) analysis and a high mineralization degree of 98.7% was determined for a treatment time of 2 h. |
| doi_str_mv | 10.5004/dwt.2011.1445 |
| format | Article |
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This process generates, in a catalytic way, the hydroxyl radicals, a powerful oxidant species, for the oxidation of organic pollutants. The kinetics of the oxidative degradation of phthalic anhydride and that of the solution mineralization was investigated through the effect of some operating parameters such as the ratio R = [H2O2]/[Fe3+] and the initial catalyst concentration. The values of R = 40 and Fe3+ ion (catalyst) concentration of 0.1mM were found as optimum operating parameters. 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Desalination ; Exact sciences and technology ; Free radicals ; Hydrogen peroxide ; Hydroxyl radicals ; Iron ; Irradiation ; Kinetics ; Mineralization ; Optimization ; Organic carbon ; Oxidants ; Oxidation ; Oxidation process ; Oxidizing agents ; Parameters ; pH effects ; Photo-Fenton ; Photochemicals ; Photochemistry ; Phthalic anhydride ; Plasticizers ; Pollutants ; Pollution ; Reaction kinetics ; Total organic carbon ; Ultraviolet radiation ; Water treatment and pollution</subject><ispartof>Desalination and water treatment, 2011-01, Vol.25 (1-3), p.210-215</ispartof><rights>2011 Elsevier Inc.</rights><rights>2015 INIST-CNRS</rights><rights>Copyright Taylor & Francis Group, LLC</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c408t-7594b8ff6909945c45a656e261b7070523a22fe2627ce1cc77ca3968f38ecba73</citedby><cites>FETCH-LOGICAL-c408t-7594b8ff6909945c45a656e261b7070523a22fe2627ce1cc77ca3968f38ecba73</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,4024,27923,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=23873157$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Trabelsi-Souissi, Souhaila</creatorcontrib><creatorcontrib>Oturan, Nihal</creatorcontrib><creatorcontrib>Bellakhal, Nizar</creatorcontrib><creatorcontrib>Oturan, Mehmet A.</creatorcontrib><title>Application of the photo-Fenton process to the mineralization of phthalic anhydride in aqueous medium</title><title>Desalination and water treatment</title><description>The oxidation of phthalic anhydride, a chemical widely used as plasticizer, was studied in aqueous medium of pH 3 by the photochemical advanced oxidation process “photo-Fenton” using UV irradiation. This process generates, in a catalytic way, the hydroxyl radicals, a powerful oxidant species, for the oxidation of organic pollutants. The kinetics of the oxidative degradation of phthalic anhydride and that of the solution mineralization was investigated through the effect of some operating parameters such as the ratio R = [H2O2]/[Fe3+] and the initial catalyst concentration. The values of R = 40 and Fe3+ ion (catalyst) concentration of 0.1mM were found as optimum operating parameters. Mineralization of phthalic anhydride aqueous solution under the optimal conditions was followed by the total organic carbon (TOC) analysis and a high mineralization degree of 98.7% was determined for a treatment time of 2 h.</description><subject>Advanced oxidation process</subject><subject>Applied sciences</subject><subject>Carbon</subject><subject>Catalysis</subject><subject>Catalysts</subject><subject>Drinking water and swimming-pool water. 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| subjects | Advanced oxidation process Applied sciences Carbon Catalysis Catalysts Drinking water and swimming-pool water. Desalination Exact sciences and technology Free radicals Hydrogen peroxide Hydroxyl radicals Iron Irradiation Kinetics Mineralization Optimization Organic carbon Oxidants Oxidation Oxidation process Oxidizing agents Parameters pH effects Photo-Fenton Photochemicals Photochemistry Phthalic anhydride Plasticizers Pollutants Pollution Reaction kinetics Total organic carbon Ultraviolet radiation Water treatment and pollution |
| title | Application of the photo-Fenton process to the mineralization of phthalic anhydride in aqueous medium |
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