Influence of Titanium Dioxide Preparation Method on Photocatalytic Degradation of Organic Dyes
Titanium catalysts (TO2) were synthesized by three different methods. Their photocatalytic activity was validated through photodegradation of Reactive Red 45 (RR45) azo dye and Acid Blue 25 (AB25) anthraquinone dye in an aqueous solution under UV irradiation. Ti[O.sub.2] photocatalysts were characte...
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| Veröffentlicht in: | Croatica Chemica Acta 2018-12, Vol.91 (3), p.323-12 |
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| creator | Gilja, Vanja Kratofil Krehula, Ljerka Katančić, Zvonimir Krehula, Stjepko Hrnjak-Murgić, Zlata Travas-Sejdic, Jadranka |
| description | Titanium catalysts (TO2) were synthesized by three different methods. Their photocatalytic activity was validated through photodegradation of Reactive Red 45 (RR45) azo dye and Acid Blue 25 (AB25) anthraquinone dye in an aqueous solution under UV irradiation. Ti[O.sub.2] photocatalysts were characterized by FTIR, XRD and SEM. Photosensitivity and Ti[O.sub.2] activity range were characterized by UV/Vis spectroscopy. Photocatalytic validation has been made by way of determining the degree of RR45 and AB25 removal. TOC was determined as a measure of the mineralization of RR45 and AB25 by photocatalysis. The stability of Ti[O.sub.2] catalysts and a possibility of using them in consecutive photocatalysis cycles have also been studied. The results show that the photocatalytic efficiency depends on the crystal structure of Ti[O.sub.2]. The size of crystallites depends on synthesis conditions. From the results of photocatalytic efficiency it is concluded that the chemical interaction between a catalyst and a dye strongly depends on the dye chemical structure. Keywords: titanium dioxide, photocatalysis, organic dyes, wastewater treatment. |
| doi_str_mv | 10.5562/cca3292 |
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Their photocatalytic activity was validated through photodegradation of Reactive Red 45 (RR45) azo dye and Acid Blue 25 (AB25) anthraquinone dye in an aqueous solution under UV irradiation. Ti[O.sub.2] photocatalysts were characterized by FTIR, XRD and SEM. Photosensitivity and Ti[O.sub.2] activity range were characterized by UV/Vis spectroscopy. Photocatalytic validation has been made by way of determining the degree of RR45 and AB25 removal. TOC was determined as a measure of the mineralization of RR45 and AB25 by photocatalysis. The stability of Ti[O.sub.2] catalysts and a possibility of using them in consecutive photocatalysis cycles have also been studied. The results show that the photocatalytic efficiency depends on the crystal structure of Ti[O.sub.2]. The size of crystallites depends on synthesis conditions. From the results of photocatalytic efficiency it is concluded that the chemical interaction between a catalyst and a dye strongly depends on the dye chemical structure. Keywords: titanium dioxide, photocatalysis, organic dyes, wastewater treatment.</description><identifier>ISSN: 0011-1643</identifier><identifier>EISSN: 1334-417X</identifier><identifier>DOI: 10.5562/cca3292</identifier><identifier>CODEN: CCACAA</identifier><language>eng</language><publisher>Zagreb: Croatica Chemica Acta</publisher><subject>Analysis ; Anthraquinone dyes ; Aqueous solutions ; Azo compounds ; Azo dyes ; Catalysis ; Catalysts ; Catalytic activity ; Chemical synthesis ; Crystal structure ; Crystallites ; Efficiency ; Irradiation ; Methods ; Mineralization ; Nanoparticles ; Organic chemistry ; Organic dyes ; Oxidation ; Particle size ; Phase transitions ; Photocatalysis ; Photodegradation ; Photosensitivity ; Pollutants ; Sewage treatment ; Spectroscopy ; Titanium ; Titanium dioxide ; Ultraviolet radiation ; Wastewater ; wastewater treatment ; Water treatment</subject><ispartof>Croatica Chemica Acta, 2018-12, Vol.91 (3), p.323-12</ispartof><rights>COPYRIGHT 2018 Croatica Chemica Acta</rights><rights>2018. This work is published under https://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><orcidid>0000-0002-8742-1574 ; 0000-0002-7656-0034 ; 0000-0003-4729-5603 ; 0000-0001-6956-4478</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttps://hrcak.srce.hr/logo_broj/16173.jpg</thumbnail><link.rule.ids>230,314,778,782,883,27911,27912</link.rule.ids></links><search><creatorcontrib>Gilja, Vanja</creatorcontrib><creatorcontrib>Kratofil Krehula, Ljerka</creatorcontrib><creatorcontrib>Katančić, Zvonimir</creatorcontrib><creatorcontrib>Krehula, Stjepko</creatorcontrib><creatorcontrib>Hrnjak-Murgić, Zlata</creatorcontrib><creatorcontrib>Travas-Sejdic, Jadranka</creatorcontrib><title>Influence of Titanium Dioxide Preparation Method on Photocatalytic Degradation of Organic Dyes</title><title>Croatica Chemica Acta</title><description>Titanium catalysts (TO2) were synthesized by three different methods. Their photocatalytic activity was validated through photodegradation of Reactive Red 45 (RR45) azo dye and Acid Blue 25 (AB25) anthraquinone dye in an aqueous solution under UV irradiation. Ti[O.sub.2] photocatalysts were characterized by FTIR, XRD and SEM. Photosensitivity and Ti[O.sub.2] activity range were characterized by UV/Vis spectroscopy. Photocatalytic validation has been made by way of determining the degree of RR45 and AB25 removal. TOC was determined as a measure of the mineralization of RR45 and AB25 by photocatalysis. The stability of Ti[O.sub.2] catalysts and a possibility of using them in consecutive photocatalysis cycles have also been studied. The results show that the photocatalytic efficiency depends on the crystal structure of Ti[O.sub.2]. The size of crystallites depends on synthesis conditions. From the results of photocatalytic efficiency it is concluded that the chemical interaction between a catalyst and a dye strongly depends on the dye chemical structure. Keywords: titanium dioxide, photocatalysis, organic dyes, wastewater treatment.</description><subject>Analysis</subject><subject>Anthraquinone dyes</subject><subject>Aqueous solutions</subject><subject>Azo compounds</subject><subject>Azo dyes</subject><subject>Catalysis</subject><subject>Catalysts</subject><subject>Catalytic activity</subject><subject>Chemical synthesis</subject><subject>Crystal structure</subject><subject>Crystallites</subject><subject>Efficiency</subject><subject>Irradiation</subject><subject>Methods</subject><subject>Mineralization</subject><subject>Nanoparticles</subject><subject>Organic chemistry</subject><subject>Organic dyes</subject><subject>Oxidation</subject><subject>Particle size</subject><subject>Phase transitions</subject><subject>Photocatalysis</subject><subject>Photodegradation</subject><subject>Photosensitivity</subject><subject>Pollutants</subject><subject>Sewage treatment</subject><subject>Spectroscopy</subject><subject>Titanium</subject><subject>Titanium dioxide</subject><subject>Ultraviolet radiation</subject><subject>Wastewater</subject><subject>wastewater treatment</subject><subject>Water treatment</subject><issn>0011-1643</issn><issn>1334-417X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNo9kU1LAzEQhoMoWKv4FxY8eNqazdfuHkvrR6HSHip4MqTZSZu63dRsFuy_N2WLzGGGl2deXmYQus_wiHNBnrRWlJTkAg0ySlnKsvzzEg0wzrI0E4xeo5u23WFMOOPFAH3NGlN30GhInElWNqjGdvtkat2vrSBZejgor4J1TfIOYeuqJE7LrQtOq6DqY7A6mcLGq6qHosnCb6JJlI_Q3qIro-oW7s59iD5enleTt3S-eJ1NxvNUU8JDKrARFfBCF2tBtYGKMI4FzXlVGEEA56ogYBhWCgPna1ZWnBbEUAKAKckLOkRp77v1Wn3Lg7d75Y_SKSt7pfUa4igJprQUkX_o-YN3Px20Qe5c55sYUZIsXobjeLdIjXpqo2qQtjEueKVjVbC32jVgbNTHPCclo5yfFh77Be1d23ow_0kyLE_fkefv0D8xR4Hi</recordid><startdate>20181201</startdate><enddate>20181201</enddate><creator>Gilja, Vanja</creator><creator>Kratofil Krehula, Ljerka</creator><creator>Katančić, Zvonimir</creator><creator>Krehula, Stjepko</creator><creator>Hrnjak-Murgić, Zlata</creator><creator>Travas-Sejdic, Jadranka</creator><general>Croatica Chemica Acta</general><general>Croatica Chemica Acta, Croatian Chemical Society</general><general>Hrvatsko kemijsko društvo</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>BYOGL</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>KB.</scope><scope>PCBAR</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>VP8</scope><orcidid>https://orcid.org/0000-0002-8742-1574</orcidid><orcidid>https://orcid.org/0000-0002-7656-0034</orcidid><orcidid>https://orcid.org/0000-0003-4729-5603</orcidid><orcidid>https://orcid.org/0000-0001-6956-4478</orcidid></search><sort><creationdate>20181201</creationdate><title>Influence of Titanium Dioxide Preparation Method on Photocatalytic Degradation of Organic Dyes</title><author>Gilja, Vanja ; 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Their photocatalytic activity was validated through photodegradation of Reactive Red 45 (RR45) azo dye and Acid Blue 25 (AB25) anthraquinone dye in an aqueous solution under UV irradiation. Ti[O.sub.2] photocatalysts were characterized by FTIR, XRD and SEM. Photosensitivity and Ti[O.sub.2] activity range were characterized by UV/Vis spectroscopy. Photocatalytic validation has been made by way of determining the degree of RR45 and AB25 removal. TOC was determined as a measure of the mineralization of RR45 and AB25 by photocatalysis. The stability of Ti[O.sub.2] catalysts and a possibility of using them in consecutive photocatalysis cycles have also been studied. The results show that the photocatalytic efficiency depends on the crystal structure of Ti[O.sub.2]. The size of crystallites depends on synthesis conditions. From the results of photocatalytic efficiency it is concluded that the chemical interaction between a catalyst and a dye strongly depends on the dye chemical structure. Keywords: titanium dioxide, photocatalysis, organic dyes, wastewater treatment.</abstract><cop>Zagreb</cop><pub>Croatica Chemica Acta</pub><doi>10.5562/cca3292</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0002-8742-1574</orcidid><orcidid>https://orcid.org/0000-0002-7656-0034</orcidid><orcidid>https://orcid.org/0000-0003-4729-5603</orcidid><orcidid>https://orcid.org/0000-0001-6956-4478</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Analysis Anthraquinone dyes Aqueous solutions Azo compounds Azo dyes Catalysis Catalysts Catalytic activity Chemical synthesis Crystal structure Crystallites Efficiency Irradiation Methods Mineralization Nanoparticles Organic chemistry Organic dyes Oxidation Particle size Phase transitions Photocatalysis Photodegradation Photosensitivity Pollutants Sewage treatment Spectroscopy Titanium Titanium dioxide Ultraviolet radiation Wastewater wastewater treatment Water treatment |
| title | Influence of Titanium Dioxide Preparation Method on Photocatalytic Degradation of Organic Dyes |
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