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Bakhiia T, Toropov A, Nevolin I, Maslakov K, Romanchuk A, Kalmykov S. Carbon materials for effective purification of aqueous solutions from tributyl phosphate. Phys Chem Chem Phys 2024; 26:25977-25985. [PMID: 39370867 DOI: 10.1039/d4cp02731k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/08/2024]
Abstract
This study investigates various sorbents for the effective sorption of dissolved organic substances, using tributyl phosphate (TBP) as a model compound. TBP is one of the most commonly used extractants in the nuclear industry. Four different carbon materials with high specific surface areas (2000-3000 m2 g-1) were selected for evaluation. The sorption of TBP from nitric acid solutions was examined over a wide range of concentrations. The samples with the largest specific surface areas showed the highest sorption capacity for organic matter. To enable repeated use, a purification scheme was developed to restore the sorbents' original properties. The samples were subjected to various treatments, analyzed using X-ray photoelectron spectroscopy, and used in subsequent sorption experiments.
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Affiliation(s)
- Tamuna Bakhiia
- Department of Chemistry, Lomonosov Moscow State University, Leninskie Gory, Moscow, 119991, Russia.
| | - Andrey Toropov
- Department of Chemistry, Lomonosov Moscow State University, Leninskie Gory, Moscow, 119991, Russia.
| | - Iurii Nevolin
- Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, 31 Bldg 4, Leninsky Prosp., Moscow, 119071, Russia
| | - Konstantin Maslakov
- Department of Chemistry, Lomonosov Moscow State University, Leninskie Gory, Moscow, 119991, Russia.
| | - Anna Romanchuk
- Department of Chemistry, Lomonosov Moscow State University, Leninskie Gory, Moscow, 119991, Russia.
| | - Stepan Kalmykov
- Department of Chemistry, Lomonosov Moscow State University, Leninskie Gory, Moscow, 119991, Russia.
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Mohamed AM, Abdelwahab SM, Elsawy NM, Ahmed NA, Raafat AI. E-beam irradiation-induced synthesis of hydroxyethyl cellulose/(Cu 2O-rGO)/BiVO 4-based nanocomposite for photocatalytic remediation of wastewater under visible light. Int J Biol Macromol 2024; 258:128681. [PMID: 38081488 DOI: 10.1016/j.ijbiomac.2023.128681] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 11/27/2023] [Accepted: 12/06/2023] [Indexed: 12/25/2023]
Abstract
Using E-beam irradiation as an eco-friendly technique for initiation and crosslinking, a series of Hydroxyethyl Cellulose-poly vinyl alcohol copolymer hydrogels were synthesized as templates for cuprous oxide (Cu2O), reduced graphene oxide (rGO) and bismuth vanadate (BiVO4) nanoparticles to be used as nanocomposites photocatalysts for methylene blue (MB) dye decolorization using visible light. Preparation conditions were optimized to ensure the construction of a good network architecture and therefore the highest gelation degree. For the preparation of (Cu2O@rGO)/BiVO4 nanocomposites, a series of rGO was decorated by Cu2O using the precipitation method, followed by mixing with BiVO4 which was synthesized hydrothermally. (EDX), (XRD), (TEM), and (SEM) were used for nanoparticle characterization. The thermal characteristics of the fabricated nanocomposites were evaluated using thermal gravimetric analysis. The presence of rGO enhanced the decolorization efficiency of MB about 20 % higher than that of (HEC-PVA)/Cu2O which achieves only (59 %) decolorization efficiency. After the addition of BiVO4 NPs, the decolorization efficiency increased to reach 90 % after 150 min at pH 11 using a 10 ppm MB solution. The developed (HEC-PVA)/(Cu2O@rGO)/BiVO4 photocatalyst exhibits efficient reusability for 5 cycles. Treated dyed water shows a germination index (GI) of 82 % suggesting its suitability for irrigation of playgrounds and gardens.
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Affiliation(s)
- Asmaa M Mohamed
- Polymer Chemistry Department, National Center for Radiation Research and Technology, Egyptian Atomic Energy Authority, Cairo, Egypt.
| | - S M Abdelwahab
- Chemistry Department, Faculty of Science, Ain shams University, Cairo, Egypt
| | - Naeem M Elsawy
- Polymer Chemistry Department, National Center for Radiation Research and Technology, Egyptian Atomic Energy Authority, Cairo, Egypt
| | - Nehad A Ahmed
- Polymer Chemistry Department, National Center for Radiation Research and Technology, Egyptian Atomic Energy Authority, Cairo, Egypt
| | - Amany I Raafat
- Polymer Chemistry Department, National Center for Radiation Research and Technology, Egyptian Atomic Energy Authority, Cairo, Egypt
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Rout DR, Jena HM, Baigenzhenov O, Hosseini-Bandegharaei A. Graphene-based materials for effective adsorption of organic and inorganic pollutants: A critical and comprehensive review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 863:160871. [PMID: 36521616 DOI: 10.1016/j.scitotenv.2022.160871] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 12/06/2022] [Accepted: 12/08/2022] [Indexed: 06/17/2023]
Abstract
Water scarcity has been felt in many countries and will become a critical issue in the coming years. The release of toxic organic and inorganic contaminants from different anthropogenic activities, like mining, agriculture, industries, and domestic households, enters the natural waterbody and pollutes them. Keeping this in view in combating the environmental crises, removing pollutants from wastewater is one of the ongoing environmental challenges. Adsorption technology is an economical, fast, and efficient physicochemical method for removing both organic and inorganic pollutants, even at low concentrations. In the last decade, graphene and its composite materials have become the center of attraction for numerous applications, including wastewater treatment, due to the large surface area, highly active surface, and exclusive physicochemical properties, which make them potential adsorbents with unique physicochemical properties, like low density, chemical strength, structural variability, and the possibility of large-scale fabrications. This review article provides a thorough summary/critical appraisal of the published literature on graphene-, GO-, and rGO-based adsorbents for the removal of organic and inorganic pollutants from wastewater. The synthesis methods, experimental parameters, adsorption behaviors, isotherms, kinetics, thermodynamics, mechanisms, and the performance of the regeneration-desorption processes of these substances are scrutinized. Finally, the research challenges, limitations, and future research studies are also discussed. Certainly, this review article will benefit the research community by getting substantial information on suitable techniques for synthesizing such adsorbents and utilizing them in water treatment and designing water treatment systems.
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Affiliation(s)
- Dibya Ranjan Rout
- Department of Chemical Engineering, National Institute of Technology, Rourkela 769008, Orissa, India.
| | - Hara Mohan Jena
- Department of Chemical Engineering, National Institute of Technology, Rourkela 769008, Orissa, India.
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Enhanced removal of anionic Methyl Orange azo dye by an Iron oxide (Fe3O4) loaded Lotus leaf powder (LLP@Fe3O4) composite: Synthesis, characterization, kinetics, isotherms, and thermodynamic perspectives. INORG CHEM COMMUN 2023. [DOI: 10.1016/j.inoche.2023.110625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023]
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Evaluation of Ni-Doped Tricobalt Tetroxide with Reduced Graphene Oxide: Structural, Photocatalysis, and Antibacterial Response. Catalysts 2022. [DOI: 10.3390/catal12101199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Cobalt oxide (Co3O4) nanoparticles were successfully prepared by sol–gel and hydrothermal methods for antibacterial and photocatalytic applications with the addition of 1%, 4% nickel (Ni), and reduced graphene oxide (rGO). The structural and morphological properties of the nanoparticles were obtained by XRD, TEM and FESEM techniques. Cobalt oxide showed typical crystallographic planes to cubic phase and particles with inferior diameter to 30 nm. The Ni-Co3O4 +rGO nanocrystals exhibit a band gap value of 2.0 eV. The bactericidal tests for S. aureus and E. coli revealed that the insertion rGO synthesized by the sol–gel method promoted the antimicrobial activity for both microorganisms. Afterward, the photocatalytic assay for the atrazine contaminant showed significant responses to pesticide removal attributed to the simultaneous adsorption and degradation process. In addition, the sol–gel process found a better response to Ni-Co3O4 in the presence of rGO, indicating a nanocomposite superior synergism.
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Monteiro M, Sant'Anna M, dos Santos Júnior JC, Alves A, Macedo JF, Silva J, Gimenez IDF, Sussuchi EM. Reduced graphene oxide‐based sensor for 17α–ethinylestradiol voltammetric determination in wastewater, tablets and synthetic urine samples. ELECTROANAL 2022. [DOI: 10.1002/elan.202100500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Mangeli A, Mostafavi A, Shamspur T, Fathirad F, Mehrabi F. Decontamination of fenitrothion from aqueous solutions using rGO/MoS 2/Fe 3O 4 magnetic nanosorbent: synthesis, characterization and removal application. JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE & ENGINEERING 2021; 19:1505-1511. [PMID: 34900284 PMCID: PMC8617119 DOI: 10.1007/s40201-021-00706-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 07/12/2021] [Indexed: 06/14/2023]
Abstract
In the present work, rGO/MoS2/Fe3O4 nanocomposite was synthesized and after confirmation of the structure by FTIR, XRD, and FESEM techniques, its performance as nanosorbent was investigated for the removal of fenitrothion pesticide from the aqueous media. The parameters affecting the removal process including agitation time, pH of the reaction medium, adsorbent content, initial analyte concentration as well as desorption parameters were investigated and optimized. Under optimum conditions (pH = 7, adsorbent amount: 30 mg, adsorption and desorption time: 5 min, eluent type and volume: 0.01 M ethanol-acetic acid and 4 mL), the synthesized adsorbent was able to remove fenitrothion pesticide up to 98% with an adsorption capacity of 33.4 mg/g. By investigation of the line equation and the correlation coefficient value, it was found that the adsorption process, in this study, follows the Langmuir model.
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Affiliation(s)
- A. Mangeli
- Department of Chemistry, Faculty of Science, Shahid Bahonar University of Kerman, Kerman, Iran
| | - A. Mostafavi
- Department of Chemistry, Faculty of Science, Shahid Bahonar University of Kerman, Kerman, Iran
| | - T. Shamspur
- Department of Chemistry, Faculty of Science, Shahid Bahonar University of Kerman, Kerman, Iran
| | - F. Fathirad
- Department of Nanotechnology, Graduate University of Advanced Technology, Kerman, Iran
| | - F. Mehrabi
- Department of Chemistry, Faculty of Science, Shahid Bahonar University of Kerman, Kerman, Iran
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Easy-handling carbon nanotubes decorated poly(arylene ether nitrile)@tannic acid/carboxylated chitosan nanofibrous composite absorbent for efficient removal of methylene blue and congo red. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.127069] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Melo RPF, Carmo SKS, Barros ELB, Câmara AG, Nunes SKS, Barros Neto EL. Removal of Disperse Blue 56 from synthetic textile effluent using ionic flocculation. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2021; 83:2714-2723. [PMID: 34115625 DOI: 10.2166/wst.2021.173] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The textile industry is one of the main generators of industrial effluent due to the large volumes of water containing a wide variety of pollutants, including dyes. Thus, the present study aimed to remove the Disperse Blue 56 dye present in synthetic textile effluent using ionic flocculation through surfactant flocs produced from animal/vegetable fat, assessing the system at different surfactant concentrations and temperatures. The process kinetics, adsorption mechanism and equilibrium were evaluated. The results show that the kinetics was better described by the Elovich model when compared to pseudo-first order and pseudo-second order models, indicating that chemical adsorption occurs during the process. The study of the adsorption mechanism obtained lower outer layer diffusivities than their intra-particle counterparts, demonstrating that the dye transport to the surfactant floc is controlled through the outer layer. The Langmuir isotherm was suitable for equilibrium data and the separation factor calculated showed that the isotherm is classified as favorable. Dye removal efficiency reached 87% after 360 minutes of contact between the effluent and the surfactant flocs, indicating that ionic flocculation is an efficient alternative in the treatment of textile effluent containing disperse dye.
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Affiliation(s)
- R P F Melo
- Universidade Federal Rural do Semi-Árido, Campus Pau dos Ferros, Road BR-226, no number, Pau dos Ferros - RN, 59900-000, Brazil E-mail:
| | - S K S Carmo
- Universidade Federal Rural do Semi-Árido, Campus Pau dos Ferros, Road BR-226, no number, Pau dos Ferros - RN, 59900-000, Brazil E-mail:
| | - E L B Barros
- Centro de Tecnologia - Departamento de Engenharia Química, Programa de Pós-Graduação em Engenharia Química, Universidade Federal do Rio Grande do Norte, Campus Universitário, Av. Senador Salgado Filho 3000, Natal-RN, 59072-970, Brazil
| | - A G Câmara
- Centro de Tecnologia - Departamento de Engenharia Química, Programa de Pós-Graduação em Engenharia Química, Universidade Federal do Rio Grande do Norte, Campus Universitário, Av. Senador Salgado Filho 3000, Natal-RN, 59072-970, Brazil
| | - S K S Nunes
- Centro de Tecnologia - Departamento de Engenharia Química, Programa de Pós-Graduação em Engenharia Química, Universidade Federal do Rio Grande do Norte, Campus Universitário, Av. Senador Salgado Filho 3000, Natal-RN, 59072-970, Brazil
| | - E L Barros Neto
- Centro de Tecnologia - Departamento de Engenharia Química, Programa de Pós-Graduação em Engenharia Química, Universidade Federal do Rio Grande do Norte, Campus Universitário, Av. Senador Salgado Filho 3000, Natal-RN, 59072-970, Brazil
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