Photocatalytic Degradation of Mixed Dyes in Aqueous Phase by MgAlTi and ZnAlTi Mixed Oxides
This study reported the synthesis and evaluation of mixed metal oxides MgO/Al 2 O 3 –TiO 2 and ZnO/Al 2 O 3 –TiO 2 as heterogeneous photocatalysts for the potential degradation of a mixture of organic dyes such as methylene blue and methyl orange. First, hydrotalcites were synthesized by two differe...
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| Veröffentlicht in: | Topics in catalysis 2021, Vol.64 (1-2), p.97-111 |
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| creator | Castro, Laura V. Ortíz-Islas, E. Manríquez, Ma. E. Albiter, E. Cabrera-Sierra, Román Alvarado-Zavala, B. |
| description | This study reported the synthesis and evaluation of mixed metal oxides MgO/Al
2
O
3
–TiO
2
and ZnO/Al
2
O
3
–TiO
2
as heterogeneous photocatalysts for the potential degradation of a mixture of organic dyes such as methylene blue and methyl orange. First, hydrotalcites were synthesized by two different methods (conventional and microwave); then they were treated at 500 °C to obtain the corresponding Mg/Al–Ti and Zn/Al–Ti mixed metal oxides. The Layered Double Hydroxide (LDH) and the Mixed Metal Oxides were characterized by N
2
adsorption–desorption, X-ray Diffraction, Fourier transform infrared, X-Ray photoelectron Spectrometry and Scanning Electron Microscopy. The degradation processes of the dyes were carried out under ultraviolet light irradiation and absorbance readings were compared using a UV–vis spectrometer. The ensuing degradation of products was corroborated through a mass spectrometry analysis. According to the photodegradation efficiency of dyes under UV irradiation, the activity of the samples showed the following order: ZnAlTiM > ZnAlTiC > MgAlTiC > MgAlTiM. The improvement in the activity of ZnAlTiM may be attributed to its lowest reflectance and highest degree of UV light absorbance, its smallest valence band and its ZnO-support interaction. Degradations of 25% and 68% were achieved for methyl orange and methylene blue, respectively, after 120 min of reaction. The degradation process conforms to the Langmuir–Hinshelwood type kinetic model.
Graphic Abstract |
| doi_str_mv | 10.1007/s11244-020-01345-5 |
| format | Article |
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2
O
3
–TiO
2
and ZnO/Al
2
O
3
–TiO
2
as heterogeneous photocatalysts for the potential degradation of a mixture of organic dyes such as methylene blue and methyl orange. First, hydrotalcites were synthesized by two different methods (conventional and microwave); then they were treated at 500 °C to obtain the corresponding Mg/Al–Ti and Zn/Al–Ti mixed metal oxides. The Layered Double Hydroxide (LDH) and the Mixed Metal Oxides were characterized by N
2
adsorption–desorption, X-ray Diffraction, Fourier transform infrared, X-Ray photoelectron Spectrometry and Scanning Electron Microscopy. The degradation processes of the dyes were carried out under ultraviolet light irradiation and absorbance readings were compared using a UV–vis spectrometer. The ensuing degradation of products was corroborated through a mass spectrometry analysis. According to the photodegradation efficiency of dyes under UV irradiation, the activity of the samples showed the following order: ZnAlTiM > ZnAlTiC > MgAlTiC > MgAlTiM. The improvement in the activity of ZnAlTiM may be attributed to its lowest reflectance and highest degree of UV light absorbance, its smallest valence band and its ZnO-support interaction. Degradations of 25% and 68% were achieved for methyl orange and methylene blue, respectively, after 120 min of reaction. The degradation process conforms to the Langmuir–Hinshelwood type kinetic model.
Graphic Abstract</description><identifier>ISSN: 1022-5528</identifier><identifier>EISSN: 1572-9028</identifier><identifier>DOI: 10.1007/s11244-020-01345-5</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Absorbance ; Aluminum oxide ; Catalysis ; Characterization and Evaluation of Materials ; Chemistry ; Chemistry and Materials Science ; Dyes ; Fourier transforms ; Hydroxides ; Industrial Chemistry/Chemical Engineering ; Light irradiation ; Magnesium ; Mass spectrometry ; Metal oxides ; Methylene blue ; Mixed oxides ; Original Paper ; Pharmacy ; Photocatalysis ; Photodegradation ; Photoelectrons ; Physical Chemistry ; Scientific imaging ; Spectroscopy ; Titanium ; Titanium dioxide ; Ultraviolet radiation ; Valence band ; Zinc oxide</subject><ispartof>Topics in catalysis, 2021, Vol.64 (1-2), p.97-111</ispartof><rights>Springer Science+Business Media, LLC, part of Springer Nature 2020</rights><rights>Springer Science+Business Media, LLC, part of Springer Nature 2020.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c400t-cf4273038b28181f4933f472255ff0ab6fb8a7a11de691433553e0464deec6713</citedby><cites>FETCH-LOGICAL-c400t-cf4273038b28181f4933f472255ff0ab6fb8a7a11de691433553e0464deec6713</cites><orcidid>0000-0001-6622-2608</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11244-020-01345-5$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11244-020-01345-5$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,777,781,27905,27906,41469,42538,51300</link.rule.ids></links><search><creatorcontrib>Castro, Laura V.</creatorcontrib><creatorcontrib>Ortíz-Islas, E.</creatorcontrib><creatorcontrib>Manríquez, Ma. E.</creatorcontrib><creatorcontrib>Albiter, E.</creatorcontrib><creatorcontrib>Cabrera-Sierra, Román</creatorcontrib><creatorcontrib>Alvarado-Zavala, B.</creatorcontrib><title>Photocatalytic Degradation of Mixed Dyes in Aqueous Phase by MgAlTi and ZnAlTi Mixed Oxides</title><title>Topics in catalysis</title><addtitle>Top Catal</addtitle><description>This study reported the synthesis and evaluation of mixed metal oxides MgO/Al
2
O
3
–TiO
2
and ZnO/Al
2
O
3
–TiO
2
as heterogeneous photocatalysts for the potential degradation of a mixture of organic dyes such as methylene blue and methyl orange. First, hydrotalcites were synthesized by two different methods (conventional and microwave); then they were treated at 500 °C to obtain the corresponding Mg/Al–Ti and Zn/Al–Ti mixed metal oxides. The Layered Double Hydroxide (LDH) and the Mixed Metal Oxides were characterized by N
2
adsorption–desorption, X-ray Diffraction, Fourier transform infrared, X-Ray photoelectron Spectrometry and Scanning Electron Microscopy. The degradation processes of the dyes were carried out under ultraviolet light irradiation and absorbance readings were compared using a UV–vis spectrometer. The ensuing degradation of products was corroborated through a mass spectrometry analysis. According to the photodegradation efficiency of dyes under UV irradiation, the activity of the samples showed the following order: ZnAlTiM > ZnAlTiC > MgAlTiC > MgAlTiM. The improvement in the activity of ZnAlTiM may be attributed to its lowest reflectance and highest degree of UV light absorbance, its smallest valence band and its ZnO-support interaction. Degradations of 25% and 68% were achieved for methyl orange and methylene blue, respectively, after 120 min of reaction. The degradation process conforms to the Langmuir–Hinshelwood type kinetic model.
Graphic Abstract</description><subject>Absorbance</subject><subject>Aluminum oxide</subject><subject>Catalysis</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Dyes</subject><subject>Fourier transforms</subject><subject>Hydroxides</subject><subject>Industrial Chemistry/Chemical Engineering</subject><subject>Light irradiation</subject><subject>Magnesium</subject><subject>Mass spectrometry</subject><subject>Metal oxides</subject><subject>Methylene blue</subject><subject>Mixed oxides</subject><subject>Original Paper</subject><subject>Pharmacy</subject><subject>Photocatalysis</subject><subject>Photodegradation</subject><subject>Photoelectrons</subject><subject>Physical Chemistry</subject><subject>Scientific imaging</subject><subject>Spectroscopy</subject><subject>Titanium</subject><subject>Titanium dioxide</subject><subject>Ultraviolet radiation</subject><subject>Valence band</subject><subject>Zinc oxide</subject><issn>1022-5528</issn><issn>1572-9028</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp9kEtPwzAQhC0EEqXwBzhZ4mxYvxLnWLW8pFbtoVzgYDmJ3aYqcbFTqfn3hASJG3vZOcw3uxqEbincU4D0IVLKhCDAgADlQhJ5hkZUpoxkwNR5p4ExIiVTl-gqxh0Ao2mWjdDHausbX5jG7NumKvDMboIpTVP5GnuHF9XJlnjW2oirGk--jtYfI15tTbQ4b_FiM9mvK2zqEr_XvRyA5akqbbxGF87so7353WP09vS4nr6Q-fL5dTqZk0IANKRwgqUcuMqZooo6kXHuRMqYlM6ByROXK5MaSkubZFRwLiW3IBJRWlskKeVjdDfkHoLvPoyN3vljqLuTmgkF_SSdiw2uIvgYg3X6EKpPE1pNQf-UqIcSdVei7kvUsoP4AMXOXG9s-Iv-h_oGvF9yjw</recordid><startdate>2021</startdate><enddate>2021</enddate><creator>Castro, Laura V.</creator><creator>Ortíz-Islas, E.</creator><creator>Manríquez, Ma. E.</creator><creator>Albiter, E.</creator><creator>Cabrera-Sierra, Román</creator><creator>Alvarado-Zavala, B.</creator><general>Springer US</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><orcidid>https://orcid.org/0000-0001-6622-2608</orcidid></search><sort><creationdate>2021</creationdate><title>Photocatalytic Degradation of Mixed Dyes in Aqueous Phase by MgAlTi and ZnAlTi Mixed Oxides</title><author>Castro, Laura V. ; Ortíz-Islas, E. ; Manríquez, Ma. E. ; Albiter, E. ; Cabrera-Sierra, Román ; Alvarado-Zavala, B.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c400t-cf4273038b28181f4933f472255ff0ab6fb8a7a11de691433553e0464deec6713</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Absorbance</topic><topic>Aluminum oxide</topic><topic>Catalysis</topic><topic>Characterization and Evaluation of Materials</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Dyes</topic><topic>Fourier transforms</topic><topic>Hydroxides</topic><topic>Industrial Chemistry/Chemical Engineering</topic><topic>Light irradiation</topic><topic>Magnesium</topic><topic>Mass spectrometry</topic><topic>Metal oxides</topic><topic>Methylene blue</topic><topic>Mixed oxides</topic><topic>Original Paper</topic><topic>Pharmacy</topic><topic>Photocatalysis</topic><topic>Photodegradation</topic><topic>Photoelectrons</topic><topic>Physical Chemistry</topic><topic>Scientific imaging</topic><topic>Spectroscopy</topic><topic>Titanium</topic><topic>Titanium dioxide</topic><topic>Ultraviolet radiation</topic><topic>Valence band</topic><topic>Zinc oxide</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Castro, Laura V.</creatorcontrib><creatorcontrib>Ortíz-Islas, E.</creatorcontrib><creatorcontrib>Manríquez, Ma. E.</creatorcontrib><creatorcontrib>Albiter, E.</creatorcontrib><creatorcontrib>Cabrera-Sierra, Román</creatorcontrib><creatorcontrib>Alvarado-Zavala, B.</creatorcontrib><collection>CrossRef</collection><jtitle>Topics in catalysis</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Castro, Laura V.</au><au>Ortíz-Islas, E.</au><au>Manríquez, Ma. E.</au><au>Albiter, E.</au><au>Cabrera-Sierra, Román</au><au>Alvarado-Zavala, B.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Photocatalytic Degradation of Mixed Dyes in Aqueous Phase by MgAlTi and ZnAlTi Mixed Oxides</atitle><jtitle>Topics in catalysis</jtitle><stitle>Top Catal</stitle><date>2021</date><risdate>2021</risdate><volume>64</volume><issue>1-2</issue><spage>97</spage><epage>111</epage><pages>97-111</pages><issn>1022-5528</issn><eissn>1572-9028</eissn><abstract>This study reported the synthesis and evaluation of mixed metal oxides MgO/Al
2
O
3
–TiO
2
and ZnO/Al
2
O
3
–TiO
2
as heterogeneous photocatalysts for the potential degradation of a mixture of organic dyes such as methylene blue and methyl orange. First, hydrotalcites were synthesized by two different methods (conventional and microwave); then they were treated at 500 °C to obtain the corresponding Mg/Al–Ti and Zn/Al–Ti mixed metal oxides. The Layered Double Hydroxide (LDH) and the Mixed Metal Oxides were characterized by N
2
adsorption–desorption, X-ray Diffraction, Fourier transform infrared, X-Ray photoelectron Spectrometry and Scanning Electron Microscopy. The degradation processes of the dyes were carried out under ultraviolet light irradiation and absorbance readings were compared using a UV–vis spectrometer. The ensuing degradation of products was corroborated through a mass spectrometry analysis. According to the photodegradation efficiency of dyes under UV irradiation, the activity of the samples showed the following order: ZnAlTiM > ZnAlTiC > MgAlTiC > MgAlTiM. The improvement in the activity of ZnAlTiM may be attributed to its lowest reflectance and highest degree of UV light absorbance, its smallest valence band and its ZnO-support interaction. Degradations of 25% and 68% were achieved for methyl orange and methylene blue, respectively, after 120 min of reaction. The degradation process conforms to the Langmuir–Hinshelwood type kinetic model.
Graphic Abstract</abstract><cop>New York</cop><pub>Springer US</pub><doi>10.1007/s11244-020-01345-5</doi><tpages>15</tpages><orcidid>https://orcid.org/0000-0001-6622-2608</orcidid><oa>free_for_read</oa></addata></record> |
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| source | Springer Nature - Complete Springer Journals |
| subjects | Absorbance Aluminum oxide Catalysis Characterization and Evaluation of Materials Chemistry Chemistry and Materials Science Dyes Fourier transforms Hydroxides Industrial Chemistry/Chemical Engineering Light irradiation Magnesium Mass spectrometry Metal oxides Methylene blue Mixed oxides Original Paper Pharmacy Photocatalysis Photodegradation Photoelectrons Physical Chemistry Scientific imaging Spectroscopy Titanium Titanium dioxide Ultraviolet radiation Valence band Zinc oxide |
| title | Photocatalytic Degradation of Mixed Dyes in Aqueous Phase by MgAlTi and ZnAlTi Mixed Oxides |
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