Electrochemical and Catalytic Studies of a Supported Photocatalyst Produced from Petrochemical Residue in the Photocatalytic Degradation of Dexamethasone and Guaifenesin Drugs
Dexamethasone and guaifenesin were comparatively degraded under UV and visible radiation in the presence of a supported photocatalyst generated from petrochemical residue. For comparative reasons, photochemical tests were also conducted in the presence of commercial titania (P25). The photoelectroch...
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| Veröffentlicht in: | Water, air, and soil pollution air, and soil pollution, 2016-07, Vol.227 (7), p.1, Article 242 |
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| creator | da Silva, William Leonardo Lansarin, Marla Azário dos Santos, João Henrique Z. Da Rocha, Zenis N. Pepe, Iuri Muniz |
| description | Dexamethasone and guaifenesin were comparatively degraded under UV and visible radiation in the presence of a supported photocatalyst generated from petrochemical residue. For comparative reasons, photochemical tests were also conducted in the presence of commercial titania (P25). The photoelectrochemical behavior of the supported photocatalyst was examined using cyclic voltammetry and differential pulse voltammetry in the dark and under LED irradiation. This photodegradation study indicates the highest drug degradation values were observed for guaifenesin under UV (48.6 %) and visible (45.2 %) radiation with the synthesized photocatalyst. Under the same conditions, the commercial P25 catalyst achieved 66.3 and 50.2 % of the degradation under UV and visible radiation, respectively. Exploratory tests with tap water samples revealed that the system may be sensitive to other analytes present in these environmental samples. |
| doi_str_mv | 10.1007/s11270-016-2932-x |
| format | Article |
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For comparative reasons, photochemical tests were also conducted in the presence of commercial titania (P25). The photoelectrochemical behavior of the supported photocatalyst was examined using cyclic voltammetry and differential pulse voltammetry in the dark and under LED irradiation. This photodegradation study indicates the highest drug degradation values were observed for guaifenesin under UV (48.6 %) and visible (45.2 %) radiation with the synthesized photocatalyst. Under the same conditions, the commercial P25 catalyst achieved 66.3 and 50.2 % of the degradation under UV and visible radiation, respectively. Exploratory tests with tap water samples revealed that the system may be sensitive to other analytes present in these environmental samples.</description><identifier>ISSN: 0049-6979</identifier><identifier>EISSN: 1573-2932</identifier><identifier>DOI: 10.1007/s11270-016-2932-x</identifier><language>eng</language><publisher>Cham: Springer International Publishing</publisher><subject>Acids ; Atmospheric Protection/Air Quality Control/Air Pollution ; Central nervous system depressants ; Climate Change/Climate Change Impacts ; Comparative analysis ; Dexamethasone ; Drinking water ; Drugs ; Earth and Environmental Science ; Electrochemistry ; Electrodes ; Environment ; Environmental monitoring ; Guaiacol glyceryl ether ; Hydrogeology ; Irradiation ; Lamps ; Light ; Light-emitting diodes ; Oxidation ; Petrochemicals ; Petroleum chemicals industry ; Pharmaceuticals ; Photocatalysis ; Photochemicals ; Photodegradation ; Pollutants ; Radiation ; Soil Science & Conservation ; Spectrum analysis ; Voltammetry ; Water analysis ; Water Quality/Water Pollution ; Water sampling</subject><ispartof>Water, air, and soil pollution, 2016-07, Vol.227 (7), p.1, Article 242</ispartof><rights>Springer International Publishing Switzerland 2016</rights><rights>COPYRIGHT 2016 Springer</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c383t-55998195fe1d0e702a8186d490d8c58bc8db9fea1cac7fea4e9b9a113dc73af63</citedby><cites>FETCH-LOGICAL-c383t-55998195fe1d0e702a8186d490d8c58bc8db9fea1cac7fea4e9b9a113dc73af63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11270-016-2932-x$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11270-016-2932-x$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>da Silva, William Leonardo</creatorcontrib><creatorcontrib>Lansarin, Marla Azário</creatorcontrib><creatorcontrib>dos Santos, João Henrique Z.</creatorcontrib><creatorcontrib>Da Rocha, Zenis N.</creatorcontrib><creatorcontrib>Pepe, Iuri Muniz</creatorcontrib><title>Electrochemical and Catalytic Studies of a Supported Photocatalyst Produced from Petrochemical Residue in the Photocatalytic Degradation of Dexamethasone and Guaifenesin Drugs</title><title>Water, air, and soil pollution</title><addtitle>Water Air Soil Pollut</addtitle><description>Dexamethasone and guaifenesin were comparatively degraded under UV and visible radiation in the presence of a supported photocatalyst generated from petrochemical residue. For comparative reasons, photochemical tests were also conducted in the presence of commercial titania (P25). The photoelectrochemical behavior of the supported photocatalyst was examined using cyclic voltammetry and differential pulse voltammetry in the dark and under LED irradiation. This photodegradation study indicates the highest drug degradation values were observed for guaifenesin under UV (48.6 %) and visible (45.2 %) radiation with the synthesized photocatalyst. Under the same conditions, the commercial P25 catalyst achieved 66.3 and 50.2 % of the degradation under UV and visible radiation, respectively. Exploratory tests with tap water samples revealed that the system may be sensitive to other analytes present in these environmental samples.</description><subject>Acids</subject><subject>Atmospheric Protection/Air Quality Control/Air Pollution</subject><subject>Central nervous system depressants</subject><subject>Climate Change/Climate Change Impacts</subject><subject>Comparative analysis</subject><subject>Dexamethasone</subject><subject>Drinking water</subject><subject>Drugs</subject><subject>Earth and Environmental Science</subject><subject>Electrochemistry</subject><subject>Electrodes</subject><subject>Environment</subject><subject>Environmental monitoring</subject><subject>Guaiacol glyceryl ether</subject><subject>Hydrogeology</subject><subject>Irradiation</subject><subject>Lamps</subject><subject>Light</subject><subject>Light-emitting diodes</subject><subject>Oxidation</subject><subject>Petrochemicals</subject><subject>Petroleum chemicals 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For comparative reasons, photochemical tests were also conducted in the presence of commercial titania (P25). The photoelectrochemical behavior of the supported photocatalyst was examined using cyclic voltammetry and differential pulse voltammetry in the dark and under LED irradiation. This photodegradation study indicates the highest drug degradation values were observed for guaifenesin under UV (48.6 %) and visible (45.2 %) radiation with the synthesized photocatalyst. Under the same conditions, the commercial P25 catalyst achieved 66.3 and 50.2 % of the degradation under UV and visible radiation, respectively. Exploratory tests with tap water samples revealed that the system may be sensitive to other analytes present in these environmental samples.</abstract><cop>Cham</cop><pub>Springer International Publishing</pub><doi>10.1007/s11270-016-2932-x</doi></addata></record> |
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| ispartof | Water, air, and soil pollution, 2016-07, Vol.227 (7), p.1, Article 242 |
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| source | Springer Nature - Complete Springer Journals |
| subjects | Acids Atmospheric Protection/Air Quality Control/Air Pollution Central nervous system depressants Climate Change/Climate Change Impacts Comparative analysis Dexamethasone Drinking water Drugs Earth and Environmental Science Electrochemistry Electrodes Environment Environmental monitoring Guaiacol glyceryl ether Hydrogeology Irradiation Lamps Light Light-emitting diodes Oxidation Petrochemicals Petroleum chemicals industry Pharmaceuticals Photocatalysis Photochemicals Photodegradation Pollutants Radiation Soil Science & Conservation Spectrum analysis Voltammetry Water analysis Water Quality/Water Pollution Water sampling |
| title | Electrochemical and Catalytic Studies of a Supported Photocatalyst Produced from Petrochemical Residue in the Photocatalytic Degradation of Dexamethasone and Guaifenesin Drugs |
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