Efficient hybrid bionanocomposites based on iron-modified TiO2 for dye degradation via an adsorption-photocatalysis synergy under UV-Visible irradiations
To overcome the titanium oxide limitations, Fe 2 O 3 - and Fe 3 O 4 -modified TiO 2 (3:1) nanoparticles were synthesized by a humid and solid path, respectively. These nanoparticles were embedded in sodium alginate biopolymer to prepare beads with efficient adsorption and photocatalytic behaviors in...
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| Veröffentlicht in: | Environmental science and pollution research international 2021-03, Vol.28 (11), p.14018-14027 |
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| creator | Chkirida, Soulaima Zari, Nadia Achour, Redouane Qaiss, Abou el kacem Bouhfid, Rachid |
| description | To overcome the titanium oxide limitations, Fe
2
O
3
- and Fe
3
O
4
-modified TiO
2
(3:1) nanoparticles were synthesized by a humid and solid path, respectively. These nanoparticles were embedded in sodium alginate biopolymer to prepare beads with efficient adsorption and photocatalytic behaviors in cationic dye degradation under both UV and visible irradiations. Operating conditions were investigated such as initial methylene blue (MB) concentration and contact time to evaluate their impact on the process. The bead recycling was also scrutinized. We have come to the conclusion that Fe
2
O
3
-modified TiO
2
-Alg displayed superiorities, including expanded responsive wavelength range in the visible region (up to 700 nm), narrower band gap (1.79 eV), and better efficiency for MB removal in terms of adsorption capacities and photocatalytic effectiveness under both UV and visible irradiations. Furthermore, these beads can be effortlessly recovered from the reaction medium after the photocatalytic process and reused up to 5 cycles without any noteworthy decline in their initial properties. |
| doi_str_mv | 10.1007/s11356-020-11664-5 |
| format | Article |
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2
O
3
- and Fe
3
O
4
-modified TiO
2
(3:1) nanoparticles were synthesized by a humid and solid path, respectively. These nanoparticles were embedded in sodium alginate biopolymer to prepare beads with efficient adsorption and photocatalytic behaviors in cationic dye degradation under both UV and visible irradiations. Operating conditions were investigated such as initial methylene blue (MB) concentration and contact time to evaluate their impact on the process. The bead recycling was also scrutinized. We have come to the conclusion that Fe
2
O
3
-modified TiO
2
-Alg displayed superiorities, including expanded responsive wavelength range in the visible region (up to 700 nm), narrower band gap (1.79 eV), and better efficiency for MB removal in terms of adsorption capacities and photocatalytic effectiveness under both UV and visible irradiations. Furthermore, these beads can be effortlessly recovered from the reaction medium after the photocatalytic process and reused up to 5 cycles without any noteworthy decline in their initial properties.</description><identifier>ISSN: 0944-1344</identifier><identifier>EISSN: 1614-7499</identifier><identifier>DOI: 10.1007/s11356-020-11664-5</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Adsorption ; Alginic acid ; Aquatic Pollution ; Atmospheric Protection/Air Quality Control/Air Pollution ; Beads ; Biopolymers ; Cationic dyes ; Degradation ; Dyes ; Earth and Environmental Science ; Ecotoxicology ; Environment ; Environmental Chemistry ; Environmental Health ; Environmental science ; Ferric oxide ; Iron oxides ; Methylene blue ; Nanoparticles ; Photocatalysis ; Research Article ; Sodium alginate ; Titanium dioxide ; Titanium oxide ; Titanium oxides ; Waste Water Technology ; Water Management ; Water Pollution Control</subject><ispartof>Environmental science and pollution research international, 2021-03, Vol.28 (11), p.14018-14027</ispartof><rights>Springer-Verlag GmbH Germany, part of Springer Nature 2020</rights><rights>Springer-Verlag GmbH Germany, part of Springer Nature 2020.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c389t-94b85e8e6078581059f9dfdf6ca83f540c052a97cc8ab14addd58d39686fe6ad3</citedby><cites>FETCH-LOGICAL-c389t-94b85e8e6078581059f9dfdf6ca83f540c052a97cc8ab14addd58d39686fe6ad3</cites><orcidid>0000-0002-7799-3392</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/s11356-020-11664-5$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11356-020-11664-5$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Chkirida, Soulaima</creatorcontrib><creatorcontrib>Zari, Nadia</creatorcontrib><creatorcontrib>Achour, Redouane</creatorcontrib><creatorcontrib>Qaiss, Abou el kacem</creatorcontrib><creatorcontrib>Bouhfid, Rachid</creatorcontrib><title>Efficient hybrid bionanocomposites based on iron-modified TiO2 for dye degradation via an adsorption-photocatalysis synergy under UV-Visible irradiations</title><title>Environmental science and pollution research international</title><addtitle>Environ Sci Pollut Res</addtitle><description>To overcome the titanium oxide limitations, Fe
2
O
3
- and Fe
3
O
4
-modified TiO
2
(3:1) nanoparticles were synthesized by a humid and solid path, respectively. These nanoparticles were embedded in sodium alginate biopolymer to prepare beads with efficient adsorption and photocatalytic behaviors in cationic dye degradation under both UV and visible irradiations. Operating conditions were investigated such as initial methylene blue (MB) concentration and contact time to evaluate their impact on the process. The bead recycling was also scrutinized. We have come to the conclusion that Fe
2
O
3
-modified TiO
2
-Alg displayed superiorities, including expanded responsive wavelength range in the visible region (up to 700 nm), narrower band gap (1.79 eV), and better efficiency for MB removal in terms of adsorption capacities and photocatalytic effectiveness under both UV and visible irradiations. Furthermore, these beads can be effortlessly recovered from the reaction medium after the photocatalytic process and reused up to 5 cycles without any noteworthy decline in their initial properties.</description><subject>Adsorption</subject><subject>Alginic acid</subject><subject>Aquatic Pollution</subject><subject>Atmospheric Protection/Air Quality Control/Air Pollution</subject><subject>Beads</subject><subject>Biopolymers</subject><subject>Cationic dyes</subject><subject>Degradation</subject><subject>Dyes</subject><subject>Earth and Environmental Science</subject><subject>Ecotoxicology</subject><subject>Environment</subject><subject>Environmental Chemistry</subject><subject>Environmental Health</subject><subject>Environmental science</subject><subject>Ferric oxide</subject><subject>Iron oxides</subject><subject>Methylene blue</subject><subject>Nanoparticles</subject><subject>Photocatalysis</subject><subject>Research Article</subject><subject>Sodium alginate</subject><subject>Titanium dioxide</subject><subject>Titanium oxide</subject><subject>Titanium oxides</subject><subject>Waste Water Technology</subject><subject>Water Management</subject><subject>Water Pollution 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science and pollution research international</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chkirida, Soulaima</au><au>Zari, Nadia</au><au>Achour, Redouane</au><au>Qaiss, Abou el kacem</au><au>Bouhfid, Rachid</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Efficient hybrid bionanocomposites based on iron-modified TiO2 for dye degradation via an adsorption-photocatalysis synergy under UV-Visible irradiations</atitle><jtitle>Environmental science and pollution research international</jtitle><stitle>Environ Sci Pollut Res</stitle><date>2021-03-01</date><risdate>2021</risdate><volume>28</volume><issue>11</issue><spage>14018</spage><epage>14027</epage><pages>14018-14027</pages><issn>0944-1344</issn><eissn>1614-7499</eissn><abstract>To overcome the titanium oxide limitations, Fe
2
O
3
- and Fe
3
O
4
-modified TiO
2
(3:1) nanoparticles were synthesized by a humid and solid path, respectively. These nanoparticles were embedded in sodium alginate biopolymer to prepare beads with efficient adsorption and photocatalytic behaviors in cationic dye degradation under both UV and visible irradiations. Operating conditions were investigated such as initial methylene blue (MB) concentration and contact time to evaluate their impact on the process. The bead recycling was also scrutinized. We have come to the conclusion that Fe
2
O
3
-modified TiO
2
-Alg displayed superiorities, including expanded responsive wavelength range in the visible region (up to 700 nm), narrower band gap (1.79 eV), and better efficiency for MB removal in terms of adsorption capacities and photocatalytic effectiveness under both UV and visible irradiations. Furthermore, these beads can be effortlessly recovered from the reaction medium after the photocatalytic process and reused up to 5 cycles without any noteworthy decline in their initial properties.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s11356-020-11664-5</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0002-7799-3392</orcidid></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0944-1344 |
| ispartof | Environmental science and pollution research international, 2021-03, Vol.28 (11), p.14018-14027 |
| issn | 0944-1344 1614-7499 |
| language | eng |
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| source | SpringerNature Journals |
| subjects | Adsorption Alginic acid Aquatic Pollution Atmospheric Protection/Air Quality Control/Air Pollution Beads Biopolymers Cationic dyes Degradation Dyes Earth and Environmental Science Ecotoxicology Environment Environmental Chemistry Environmental Health Environmental science Ferric oxide Iron oxides Methylene blue Nanoparticles Photocatalysis Research Article Sodium alginate Titanium dioxide Titanium oxide Titanium oxides Waste Water Technology Water Management Water Pollution Control |
| title | Efficient hybrid bionanocomposites based on iron-modified TiO2 for dye degradation via an adsorption-photocatalysis synergy under UV-Visible irradiations |
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