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Synthesis and preliminary evaluation of Ag-TiO2/CNT hybrid nanocomposite for the degradation of polystyrene microplastics under solar irradiation
Currently, microplastics (MPs) are considered as emerging aqueous pollutants. However, existing methods for the separation and treatment of MPs from an aquatic environment are limited by their low efficiency. Advanced oxidation processes (AOPs) are novel techniques that employ photo-induced electron...
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| Published in: | Environmental science and pollution research international 2024-05, Vol.31 (22), p.32863-32874 |
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| container_title | Environmental science and pollution research international |
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| creator | Chinnam, Bhagyalakshmi Dasagiri, Chandra Shekhar Araga, Ramya |
| description | Currently, microplastics (MPs) are considered as emerging aqueous pollutants. However, existing methods for the separation and treatment of MPs from an aquatic environment are limited by their low efficiency. Advanced oxidation processes (AOPs) are novel techniques that employ photo-induced electron/hole pairs to generate active radicals for MP mineralization. Thus, in this study, a photocatalyst, i.e., Ag
+
ion-doped TiO
2
, heterojunctioned with carbon nanotubes (CNT), was synthesized to study the degradation of typical MPs such as polystyrene (PS) under solar irradiation. Effectiveness of the prepared photocatalyst for the PS degradation was estimated through FESEM, FTIR, total organic carbon (TOC) analyzer, and gas chromatography-mass spectroscopy (GC–MS). Quantitatively, 31.7% degradation of PS microbeads was achieved within 48 h. Therefore, this study provides an efficient and cost-effective strategy for the degradation of MPs from the aqueous medium. |
| doi_str_mv | 10.1007/s11356-024-33438-z |
| format | article |
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+
ion-doped TiO
2
, heterojunctioned with carbon nanotubes (CNT), was synthesized to study the degradation of typical MPs such as polystyrene (PS) under solar irradiation. Effectiveness of the prepared photocatalyst for the PS degradation was estimated through FESEM, FTIR, total organic carbon (TOC) analyzer, and gas chromatography-mass spectroscopy (GC–MS). Quantitatively, 31.7% degradation of PS microbeads was achieved within 48 h. Therefore, this study provides an efficient and cost-effective strategy for the degradation of MPs from the aqueous medium.</description><identifier>ISSN: 1614-7499</identifier><identifier>ISSN: 0944-1344</identifier><identifier>EISSN: 1614-7499</identifier><identifier>DOI: 10.1007/s11356-024-33438-z</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Aquatic environment ; Aquatic Pollution ; Aqueous solutions ; Atmospheric Protection/Air Quality Control/Air Pollution ; Carbon ; Carbon nanotubes ; Degradation ; Earth and Environmental Science ; Ecotoxicology ; Efficiency ; Environment ; Environmental Chemistry ; Environmental Health ; Environmental science ; Ethanol ; Gas chromatography ; Graphene ; Irradiation ; Laboratories ; Light ; Mass spectroscopy ; Microplastics ; Microspheres ; Mineralization ; Nanocomposites ; Nanotechnology ; Nanotubes ; Nitrates ; Organic carbon ; Oxidation ; Photocatalysts ; Plastic pollution ; Pollutants ; Polymerization ; Polystyrene ; Polystyrene resins ; Research Article ; Silver ; Solar radiation ; Titanium dioxide ; Total organic carbon ; Waste Water Technology ; Water Management ; Water Pollution Control</subject><ispartof>Environmental science and pollution research international, 2024-05, Vol.31 (22), p.32863-32874</ispartof><rights>The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2024. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.</rights><rights>2024. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c218z-d5af9a9ef3af44eb7e1692bb057a9fb90c9f0c52208175a184f07fb86b4f7f0a3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Chinnam, Bhagyalakshmi</creatorcontrib><creatorcontrib>Dasagiri, Chandra Shekhar</creatorcontrib><creatorcontrib>Araga, Ramya</creatorcontrib><title>Synthesis and preliminary evaluation of Ag-TiO2/CNT hybrid nanocomposite for the degradation of polystyrene microplastics under solar irradiation</title><title>Environmental science and pollution research international</title><addtitle>Environ Sci Pollut Res</addtitle><description>Currently, microplastics (MPs) are considered as emerging aqueous pollutants. However, existing methods for the separation and treatment of MPs from an aquatic environment are limited by their low efficiency. Advanced oxidation processes (AOPs) are novel techniques that employ photo-induced electron/hole pairs to generate active radicals for MP mineralization. Thus, in this study, a photocatalyst, i.e., Ag
+
ion-doped TiO
2
, heterojunctioned with carbon nanotubes (CNT), was synthesized to study the degradation of typical MPs such as polystyrene (PS) under solar irradiation. Effectiveness of the prepared photocatalyst for the PS degradation was estimated through FESEM, FTIR, total organic carbon (TOC) analyzer, and gas chromatography-mass spectroscopy (GC–MS). Quantitatively, 31.7% degradation of PS microbeads was achieved within 48 h. Therefore, this study provides an efficient and cost-effective strategy for the degradation of MPs from the aqueous medium.</description><subject>Aquatic environment</subject><subject>Aquatic Pollution</subject><subject>Aqueous solutions</subject><subject>Atmospheric Protection/Air Quality Control/Air Pollution</subject><subject>Carbon</subject><subject>Carbon nanotubes</subject><subject>Degradation</subject><subject>Earth and Environmental Science</subject><subject>Ecotoxicology</subject><subject>Efficiency</subject><subject>Environment</subject><subject>Environmental Chemistry</subject><subject>Environmental Health</subject><subject>Environmental science</subject><subject>Ethanol</subject><subject>Gas chromatography</subject><subject>Graphene</subject><subject>Irradiation</subject><subject>Laboratories</subject><subject>Light</subject><subject>Mass spectroscopy</subject><subject>Microplastics</subject><subject>Microspheres</subject><subject>Mineralization</subject><subject>Nanocomposites</subject><subject>Nanotechnology</subject><subject>Nanotubes</subject><subject>Nitrates</subject><subject>Organic carbon</subject><subject>Oxidation</subject><subject>Photocatalysts</subject><subject>Plastic pollution</subject><subject>Pollutants</subject><subject>Polymerization</subject><subject>Polystyrene</subject><subject>Polystyrene resins</subject><subject>Research Article</subject><subject>Silver</subject><subject>Solar radiation</subject><subject>Titanium dioxide</subject><subject>Total organic carbon</subject><subject>Waste Water Technology</subject><subject>Water Management</subject><subject>Water Pollution Control</subject><issn>1614-7499</issn><issn>0944-1344</issn><issn>1614-7499</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNp9kc1O3TAQRqOqSKXQF-jKUjdsUsY_ieMluoK2EioLLmvLSeyLUWKnngQp9y36xrjcqkUsWHkW53waz1cUnyl8pQDyHCnlVV0CEyXngjfl_l1xTGsqSimUev9i_lB8RHwAYKCYPC5-365hvrfokZjQkynZwY8-mLQS-2iGxcw-BhIdudiVW3_Dzjc_t-R-bZPvSTAhdnGcIvrZEhcTyUmkt7tk-n_eFIcV5zXZYMnouxSnweDsOyRL6G0iGAeTiE_Z8c_SaXHkzID209_3pLi7utxuvpfXN99-bC6uy47RZl_2lXHKKOu4cULYVlpaK9a2UEmjXKugUw66ijFoqKwMbYQD6dqmboWTDgw_Kc4OuVOKvxaLsx49dnYYTLBxQc1BSFVxwZqMfnmFPsQlhbxdpmpQFTBOM8UOVP4kYrJOT8mP-ZKagv7Tkj60pHNL-rklvc8SP0iY4bCz6X_0G9YTt_qZSA</recordid><startdate>20240501</startdate><enddate>20240501</enddate><creator>Chinnam, Bhagyalakshmi</creator><creator>Dasagiri, Chandra Shekhar</creator><creator>Araga, Ramya</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QL</scope><scope>7SN</scope><scope>7T7</scope><scope>7TV</scope><scope>7U7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>K9.</scope><scope>M7N</scope><scope>P64</scope><scope>7X8</scope></search><sort><creationdate>20240501</creationdate><title>Synthesis and preliminary evaluation of Ag-TiO2/CNT hybrid nanocomposite for the degradation of polystyrene microplastics under solar irradiation</title><author>Chinnam, Bhagyalakshmi ; 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However, existing methods for the separation and treatment of MPs from an aquatic environment are limited by their low efficiency. Advanced oxidation processes (AOPs) are novel techniques that employ photo-induced electron/hole pairs to generate active radicals for MP mineralization. Thus, in this study, a photocatalyst, i.e., Ag
+
ion-doped TiO
2
, heterojunctioned with carbon nanotubes (CNT), was synthesized to study the degradation of typical MPs such as polystyrene (PS) under solar irradiation. Effectiveness of the prepared photocatalyst for the PS degradation was estimated through FESEM, FTIR, total organic carbon (TOC) analyzer, and gas chromatography-mass spectroscopy (GC–MS). Quantitatively, 31.7% degradation of PS microbeads was achieved within 48 h. Therefore, this study provides an efficient and cost-effective strategy for the degradation of MPs from the aqueous medium.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s11356-024-33438-z</doi><tpages>12</tpages></addata></record> |
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| subjects | Aquatic environment Aquatic Pollution Aqueous solutions Atmospheric Protection/Air Quality Control/Air Pollution Carbon Carbon nanotubes Degradation Earth and Environmental Science Ecotoxicology Efficiency Environment Environmental Chemistry Environmental Health Environmental science Ethanol Gas chromatography Graphene Irradiation Laboratories Light Mass spectroscopy Microplastics Microspheres Mineralization Nanocomposites Nanotechnology Nanotubes Nitrates Organic carbon Oxidation Photocatalysts Plastic pollution Pollutants Polymerization Polystyrene Polystyrene resins Research Article Silver Solar radiation Titanium dioxide Total organic carbon Waste Water Technology Water Management Water Pollution Control |
| title | Synthesis and preliminary evaluation of Ag-TiO2/CNT hybrid nanocomposite for the degradation of polystyrene microplastics under solar irradiation |
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