Adsorption Ability of Graphene Aerogel and Reduced Graphene Aerogel toward 2,4-D Herbicide and Salicylic Acid
Within this work, new aerogels based on graphene oxide are proposed to adsorb salicylic acid (SA) and herbicide 2,4-Dichlorophenoxyacetic acid (2,4-D) from aqueous media. Graphene oxide aerogel (GOA) and reduced graphene oxide aerogel (rGOA) were obtained by freeze-drying processes and then studied...
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MDPI AG
2023-08-01
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| author | Alexandra Yu. Kurmysheva Oleg Yanushevich Natella Krikheli Olga Kramar Marina D. Vedenyapina Pavel Podrabinnik Nestor Washington Solís Pinargote Anton Smirnov Ekaterina Kuznetsova Vladislav V. Malyavin Pavel Peretyagin Sergey N. Grigoriev |
| author_facet | Alexandra Yu. Kurmysheva Oleg Yanushevich Natella Krikheli Olga Kramar Marina D. Vedenyapina Pavel Podrabinnik Nestor Washington Solís Pinargote Anton Smirnov Ekaterina Kuznetsova Vladislav V. Malyavin Pavel Peretyagin Sergey N. Grigoriev |
| author_sort | Alexandra Yu. Kurmysheva |
| collection | DOAJ |
| description | Within this work, new aerogels based on graphene oxide are proposed to adsorb salicylic acid (SA) and herbicide 2,4-Dichlorophenoxyacetic acid (2,4-D) from aqueous media. Graphene oxide aerogel (GOA) and reduced graphene oxide aerogel (rGOA) were obtained by freeze-drying processes and then studied by Raman spectroscopy, Fourier-transform infrared spectroscopy (FT-IR), and Brunauer–Emmett–Teller (BET) analysis. The influence of contact time and the concentration of the adsorbates were also assessed. It was found that equilibrium for high adsorption is reached in 150 min. In a single system, the pseudo-first-order, pseudo-second-order kinetic models, Intraparticle diffusion, and Elovich models were used to discuss the detail of the aerogel adsorbing pollutant. Moreover, the Langmuir, Freundlich, and Temkin adsorption models were applied to describe the equilibrium isotherms and calculate the isotherm constants. |
| first_indexed | 2024-03-10T22:44:04Z |
| format | Article |
| id | doaj.art-29f8522b8c3c4bbe8d51da6575e7b949 |
| institution | Directory Open Access Journal |
| issn | 2310-2861 |
| language | English |
| last_indexed | 2024-03-10T22:44:04Z |
| publishDate | 2023-08-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Gels |
| spelling | doaj.art-29f8522b8c3c4bbe8d51da6575e7b9492023-11-19T10:50:19ZengMDPI AGGels2310-28612023-08-019968010.3390/gels9090680Adsorption Ability of Graphene Aerogel and Reduced Graphene Aerogel toward 2,4-D Herbicide and Salicylic AcidAlexandra Yu. Kurmysheva0Oleg Yanushevich1Natella Krikheli2Olga Kramar3Marina D. Vedenyapina4Pavel Podrabinnik5Nestor Washington Solís Pinargote6Anton Smirnov7Ekaterina Kuznetsova8Vladislav V. Malyavin9Pavel Peretyagin10Sergey N. Grigoriev11Laboratory of Electric Current Assisted Sintering Technologies, Moscow State University of Technology “STANKIN”, Vadkovsky per. 1, 127055 Moscow, RussiaScientific Department, A.I. Yevdokimov Moscow State University of Medicine and Dentistry, Delegatskaya St., 20, p. 1, 127473 Moscow, RussiaScientific Department, A.I. Yevdokimov Moscow State University of Medicine and Dentistry, Delegatskaya St., 20, p. 1, 127473 Moscow, RussiaScientific Department, A.I. Yevdokimov Moscow State University of Medicine and Dentistry, Delegatskaya St., 20, p. 1, 127473 Moscow, RussiaN. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, 119991 Moscow, RussiaLaboratory of Electric Current Assisted Sintering Technologies, Moscow State University of Technology “STANKIN”, Vadkovsky per. 1, 127055 Moscow, RussiaLaboratory of Electric Current Assisted Sintering Technologies, Moscow State University of Technology “STANKIN”, Vadkovsky per. 1, 127055 Moscow, RussiaLaboratory of Electric Current Assisted Sintering Technologies, Moscow State University of Technology “STANKIN”, Vadkovsky per. 1, 127055 Moscow, RussiaLaboratory of Electric Current Assisted Sintering Technologies, Moscow State University of Technology “STANKIN”, Vadkovsky per. 1, 127055 Moscow, RussiaLaboratory of Petroleum Chemistry and Petrochemical Synthesis, Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Leninsky Prospect 29, 119991 Moscow, RussiaLaboratory of Electric Current Assisted Sintering Technologies, Moscow State University of Technology “STANKIN”, Vadkovsky per. 1, 127055 Moscow, RussiaLaboratory of Electric Current Assisted Sintering Technologies, Moscow State University of Technology “STANKIN”, Vadkovsky per. 1, 127055 Moscow, RussiaWithin this work, new aerogels based on graphene oxide are proposed to adsorb salicylic acid (SA) and herbicide 2,4-Dichlorophenoxyacetic acid (2,4-D) from aqueous media. Graphene oxide aerogel (GOA) and reduced graphene oxide aerogel (rGOA) were obtained by freeze-drying processes and then studied by Raman spectroscopy, Fourier-transform infrared spectroscopy (FT-IR), and Brunauer–Emmett–Teller (BET) analysis. The influence of contact time and the concentration of the adsorbates were also assessed. It was found that equilibrium for high adsorption is reached in 150 min. In a single system, the pseudo-first-order, pseudo-second-order kinetic models, Intraparticle diffusion, and Elovich models were used to discuss the detail of the aerogel adsorbing pollutant. Moreover, the Langmuir, Freundlich, and Temkin adsorption models were applied to describe the equilibrium isotherms and calculate the isotherm constants.https://www.mdpi.com/2310-2861/9/9/680graphene oxide aerogelreduced graphene oxide aerogel2,4-Dsalicylic acidadsorptionwater treatment |
| spellingShingle | Alexandra Yu. Kurmysheva Oleg Yanushevich Natella Krikheli Olga Kramar Marina D. Vedenyapina Pavel Podrabinnik Nestor Washington Solís Pinargote Anton Smirnov Ekaterina Kuznetsova Vladislav V. Malyavin Pavel Peretyagin Sergey N. Grigoriev Adsorption Ability of Graphene Aerogel and Reduced Graphene Aerogel toward 2,4-D Herbicide and Salicylic Acid Gels graphene oxide aerogel reduced graphene oxide aerogel 2,4-D salicylic acid adsorption water treatment |
| title | Adsorption Ability of Graphene Aerogel and Reduced Graphene Aerogel toward 2,4-D Herbicide and Salicylic Acid |
| title_full | Adsorption Ability of Graphene Aerogel and Reduced Graphene Aerogel toward 2,4-D Herbicide and Salicylic Acid |
| title_fullStr | Adsorption Ability of Graphene Aerogel and Reduced Graphene Aerogel toward 2,4-D Herbicide and Salicylic Acid |
| title_full_unstemmed | Adsorption Ability of Graphene Aerogel and Reduced Graphene Aerogel toward 2,4-D Herbicide and Salicylic Acid |
| title_short | Adsorption Ability of Graphene Aerogel and Reduced Graphene Aerogel toward 2,4-D Herbicide and Salicylic Acid |
| title_sort | adsorption ability of graphene aerogel and reduced graphene aerogel toward 2 4 d herbicide and salicylic acid |
| topic | graphene oxide aerogel reduced graphene oxide aerogel 2,4-D salicylic acid adsorption water treatment |
| url | https://www.mdpi.com/2310-2861/9/9/680 |
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