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Dong Z, Wang Y, Wen D, Peng J, Zhao L, Zhai M. Recent progress in environmental applications of functional adsorbent prepared by radiation techniques: A review. JOURNAL OF HAZARDOUS MATERIALS 2022; 424:126887. [PMID: 34763925 DOI: 10.1016/j.jhazmat.2021.126887] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 07/26/2021] [Accepted: 08/10/2021] [Indexed: 06/13/2023]
Abstract
Environmental pollution has been accelerated due to fast urbanization and industrialization, and thus hazardous contaminants removal and valuable metal recovery have become urgent. Adsorption has become a promising technology for water treatment because of its advantages of low-cost, good reusability, low energy consumption, high capacity and high selectivity. Particularly, radiation techniques including radiation induced graft copolymerization and radiation crosslinking have been found to be widely utilized to exploit adsorbents for water treatment. In this review, the current status and progress of adsorbents in environmental pollution in the past decade are summarized, including adsorbents (in form of particles, fiber and fabric, membrane, novel nanomaterials) synthesized by radiation induced graft copolymerization and hydrogel-based adsorbents fabricated by radiation crosslinking. Finally, further perspective on the development and challenge of adsorbents by radiation techniques is also suggested.
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Affiliation(s)
- Zhen Dong
- State Key Laboratory of Advanced Electromagnetic Engineering and Technology, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, 430074 Wuhan, China
| | - Yue Wang
- Beijing National Laboratory for Molecular Sciences, Radiochemistry and Radiation Chemistry Key Laboratory of Fundamental Science, the Key Laboratory of Polymer Chemistry and Physics of the Ministry of Education, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Di Wen
- State Key Laboratory of Advanced Electromagnetic Engineering and Technology, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, 430074 Wuhan, China
| | - Jing Peng
- Beijing National Laboratory for Molecular Sciences, Radiochemistry and Radiation Chemistry Key Laboratory of Fundamental Science, the Key Laboratory of Polymer Chemistry and Physics of the Ministry of Education, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Long Zhao
- State Key Laboratory of Advanced Electromagnetic Engineering and Technology, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, 430074 Wuhan, China.
| | - Maolin Zhai
- Beijing National Laboratory for Molecular Sciences, Radiochemistry and Radiation Chemistry Key Laboratory of Fundamental Science, the Key Laboratory of Polymer Chemistry and Physics of the Ministry of Education, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China.
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2
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Omichi M, Seko N, Maekawa Y. Synergizing radiation-induced emulsion graft polymerization of glycidyl methacrylate on polyethylene-coated polypropylene nonwoven fabric by addition of hydrophobic alcohols. Radiat Phys Chem Oxf Engl 1993 2022. [DOI: 10.1016/j.radphyschem.2021.109867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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3
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Gamma Irradiation-Induced Preparation of Polyacrylonitrile Acrylamide Nano-silica for Removal of Some Hazardous Metals. J Inorg Organomet Polym Mater 2021. [DOI: 10.1007/s10904-021-02156-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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4
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Afolabi HK, Nasef MM, Nordin NAHM, Ting TM, Harun NY, Abbasi A. Facile preparation of fibrous glycidol-containing adsorbent for boron removal from solutions by radiation-induced grafting of poly(vinylamine) and functionalisation. Radiat Phys Chem Oxf Engl 1993 2021. [DOI: 10.1016/j.radphyschem.2021.109596] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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5
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Mohamad SF, Karoji MN, Mustaqim Azzian MI, Mohd Hassani MH, Wan Salleh WN. Surface functionalization of poly(vinylidene fluoride) membrane by radiation‐induced emulsion polymerization of hydroxyethyl acrylates in an aqueous medium. J Appl Polym Sci 2021. [DOI: 10.1002/app.50307] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Siti Fatahiyah Mohamad
- Biopolymer Group, Radiation Processing & Technology Divisions Malaysia Nuclear Agency Bangi Malaysia
| | - Muhamad Nurfalah Karoji
- Biopolymer Group, Radiation Processing & Technology Divisions Malaysia Nuclear Agency Bangi Malaysia
| | - Muhammad Irfan Mustaqim Azzian
- Advanced Membrane Technology Research Centre, School of Chemical and Energy Engineering Universiti Teknologi Malaysia Johor Bahru Malaysia
| | - Muhamad Hisyamuddin Mohd Hassani
- Advanced Membrane Technology Research Centre, School of Chemical and Energy Engineering Universiti Teknologi Malaysia Johor Bahru Malaysia
| | - Wan Norharyati Wan Salleh
- Advanced Membrane Technology Research Centre, School of Chemical and Energy Engineering Universiti Teknologi Malaysia Johor Bahru Malaysia
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Yamada K, Takada A, Konishi A, Kimura Y, Asamoto H, Minamisawa H. Hexavalent Cr ion adsorption and desorption behaviour of expanded poly(tetrafluoro)ethylene films grafted with 2-(dimethylamino)ethyl methacrylate. ENVIRONMENTAL TECHNOLOGY 2021; 42:1885-1898. [PMID: 31631793 DOI: 10.1080/09593330.2019.1683612] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2019] [Accepted: 09/17/2019] [Indexed: 06/10/2023]
Abstract
A new polymeric adsorbent for Cr(VI) ions based on an expanded poly(tetrafluoroethylene) (ePTFE) film was prepared by the combined use of the pretreatment with oxygen plasma and photografting of 2-(dimethylamino)ethyl methacrylate (DMAEMA). The grafting of DMAEMA was characterized by XPS and FT-IR spectroscopic measurements. The adsorption behaviour of DMAEMA-grafted ePTFE (ePTFE-g-PDMAEMA) films was investigated as a function of the experimental parameters, such as the initial pH value, temperature, and grafted amount. The adsorption capacity and initial adsorption rate had the maximum values at the initial pH value of 3.0. On the other hand, the adsorption capacity became almost constant at temperatures higher than 30°C, although the adsorption rate increased over the temperature. The adsorption behaviour obeyed the pseudo-second-order kinetic model and well expressed by the Langmuir isotherm equation with higher correlation coefficients. These results indicate that the adsorption of Cr(VI) ions occurs through the electrostatic interaction between protonated dimethylamino groups on a grafted PDMAEMA chain and HCrO4- ions. Cr(VI) ions were successfully desorbed from Cr(VI)-loaded ePTFE-g-PDMAEMA films in the eluents, such as NaCl at 0.50 M, NH4Cl at 0.50M, and NaOH at 1.0 mM, and ePTFE-g-PDMAEMA films were repeatedly used for adsorption of Cr(VI) ions without appreciable loss in the adsorption capacity. It should be noted that Cr(VI) ion adsorptivity with a high initial rate was conferred to the ePTFE films. The results obtained in this study emphasize that ePTFE-g-PDMAEMA films can be applied as an adsorbent for Cr(VI) ions.
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Affiliation(s)
- Kazunori Yamada
- Department of Applied Molecular Chemistry, College of Industrial Technology, Nihon University, Narashino, Japan
| | - Asumi Takada
- Department of Applied Molecular Chemistry, College of Industrial Technology, Nihon University, Narashino, Japan
| | - Ayako Konishi
- Department of Applied Molecular Chemistry, College of Industrial Technology, Nihon University, Narashino, Japan
| | - Yuji Kimura
- Department of Applied Molecular Chemistry, College of Industrial Technology, Nihon University, Narashino, Japan
| | - Hiromichi Asamoto
- Department of Basic Science, College of Industrial Technology, Nihon University, Narashino, Japan
| | - Hiroaki Minamisawa
- Department of Basic Science, College of Industrial Technology, Nihon University, Narashino, Japan
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Cornejo-Bravo JM, Palomino K, Palomino-Vizcaino G, Pérez-Landeros OM, Curiel-Alvarez M, Valdez-Salas B, Bucio E, Magaña H. Poly( N-vinylcaprolactam) and Salicylic Acid Polymeric Prodrug Grafted onto Medical Silicone to Obtain a Novel Thermo- and pH-Responsive Drug Delivery System for Potential Medical Devices. MATERIALS 2021; 14:ma14051065. [PMID: 33668741 PMCID: PMC7956192 DOI: 10.3390/ma14051065] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Revised: 02/19/2021] [Accepted: 02/22/2021] [Indexed: 12/14/2022]
Abstract
New medical devices with anti-inflammatory properties are critical to prevent inflammatory processes and infections in medical/surgical procedures. In this work, we present a novel functionalization of silicone for medical use with a polymeric prodrug and a thermosensitive polymer, by graft polymerization (gamma rays), for the localized release of salicylic acid, an analgesic, and anti-inflammatory drug. Silicone rubber (SR) films were functionalized in two stages using graft polymerization from ionizing radiation (60Co). The first stage was grafting poly(N-vinylcaprolactam) (PNVCL), a thermo-sensitive polymer, onto SR to obtain SR-g-PNVCL. In the second stage, poly(2-methacryloyloxy-benzoic acid) (P2MBA), a polymeric prodrug, was grafted to obtain (SR-g-PNVCL)-g-P2MBA. The degree of functionalization depended on the concentrations of monomers and the irradiation dose. The films were characterized by attenuated total reflectance Fourier-transform infrared spectroscopy (ATR-FTIR), scanning electron microscopy/energy-dispersive X-ray spectrometry (SEM–EDX), thermogravimetric analysis (TGA), and contact angle. An upper critical solution temperature (UCST) of the films was demonstrated by the swelling degree as a temperature function. (SR-g-PNVCL)-g-P2MBA films demonstrated hydrolysis-mediated drug release from the polymeric prodrug, pH, and temperature sensitivity. GC–MS confirmed the presence of the drug (salicylic acid), after polymer hydrolysis. The concentration of the drug in the release media was quantified by HPLC. Cytocompatibility and thermo-/pH sensitivity of functionalized medical silicone were demonstrated in cancer and non-cancer cells.
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Affiliation(s)
- José M. Cornejo-Bravo
- Faculty of Chemical Sciences and Engineering, Autonomous University of Baja California, University Boulevard No. 14418, Otay Mesa, Tijuana 22390, Mexico; (J.M.C.-B.); (K.P.)
| | - Kenia Palomino
- Faculty of Chemical Sciences and Engineering, Autonomous University of Baja California, University Boulevard No. 14418, Otay Mesa, Tijuana 22390, Mexico; (J.M.C.-B.); (K.P.)
| | - Giovanni Palomino-Vizcaino
- Faculty of Health Sciences, Autonomous University of Baja California, University Boulevard No. 1000, Tijuana 22260, Mexico;
| | - Oscar M. Pérez-Landeros
- Institute of Engineering, Autonomous University of Baja California, Benito Juárez Boulevard, Mexicali 21280, Mexico; (O.M.P.-L.); (M.C.-A.); (B.V.-S.)
| | - Mario Curiel-Alvarez
- Institute of Engineering, Autonomous University of Baja California, Benito Juárez Boulevard, Mexicali 21280, Mexico; (O.M.P.-L.); (M.C.-A.); (B.V.-S.)
| | - Benjamín Valdez-Salas
- Institute of Engineering, Autonomous University of Baja California, Benito Juárez Boulevard, Mexicali 21280, Mexico; (O.M.P.-L.); (M.C.-A.); (B.V.-S.)
| | - Emilio Bucio
- Department of Radiation Chemistry and Radiochemistry, Institute of Nuclear Science, National Autonomous University of Mexico, Mexico City 04510, Mexico;
| | - Héctor Magaña
- Faculty of Chemical Sciences and Engineering, Autonomous University of Baja California, University Boulevard No. 14418, Otay Mesa, Tijuana 22390, Mexico; (J.M.C.-B.); (K.P.)
- Correspondence:
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8
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Removal of anionic dyes with glycidyl methacrylate-grafted polyethylene terephthalate (PET) fibers modified with ethylenediamine. RESEARCH ON CHEMICAL INTERMEDIATES 2021. [DOI: 10.1007/s11164-021-04398-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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9
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Ashfaq A, Clochard MC, Coqueret X, Dispenza C, Driscoll MS, Ulański P, Al-Sheikhly M. Polymerization Reactions and Modifications of Polymers by Ionizing Radiation. Polymers (Basel) 2020; 12:E2877. [PMID: 33266261 PMCID: PMC7760743 DOI: 10.3390/polym12122877] [Citation(s) in RCA: 86] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 11/18/2020] [Accepted: 11/23/2020] [Indexed: 01/30/2023] Open
Abstract
Ionizing radiation has become the most effective way to modify natural and synthetic polymers through crosslinking, degradation, and graft polymerization. This review will include an in-depth analysis of radiation chemistry mechanisms and the kinetics of the radiation-induced C-centered free radical, anion, and cation polymerization, and grafting. It also presents sections on radiation modifications of synthetic and natural polymers. For decades, low linear energy transfer (LLET) ionizing radiation, such as gamma rays, X-rays, and up to 10 MeV electron beams, has been the primary tool to produce many products through polymerization reactions. Photons and electrons interaction with polymers display various mechanisms. While the interactions of gamma ray and X-ray photons are mainly through the photoelectric effect, Compton scattering, and pair-production, the interactions of the high-energy electrons take place through coulombic interactions. Despite the type of radiation used on materials, photons or high energy electrons, in both cases ions and electrons are produced. The interactions between electrons and monomers takes place within less than a nanosecond. Depending on the dose rate (dose is defined as the absorbed radiation energy per unit mass), the kinetic chain length of the propagation can be controlled, hence allowing for some control over the degree of polymerization. When polymers are submitted to high-energy radiation in the bulk, contrasting behaviors are observed with a dominant effect of cross-linking or chain scission, depending on the chemical nature and physical characteristics of the material. Polymers in solution are subject to indirect effects resulting from the radiolysis of the medium. Likewise, for radiation-induced polymerization, depending on the dose rate, the free radicals generated on polymer chains can undergo various reactions, such as inter/intramolecular combination or inter/intramolecular disproportionation, b-scission. These reactions lead to structural or functional polymer modifications. In the presence of oxygen, playing on irradiation dose-rates, one can favor crosslinking reactions or promotes degradations through oxidations. The competition between the crosslinking reactions of C-centered free radicals and their reactions with oxygen is described through fundamental mechanism formalisms. The fundamentals of polymerization reactions are herein presented to meet industrial needs for various polymer materials produced or degraded by irradiation. Notably, the medical and industrial applications of polymers are endless and thus it is vital to investigate the effects of sterilization dose and dose rate on various polymers and copolymers with different molecular structures and morphologies. The presence or absence of various functional groups, degree of crystallinity, irradiation temperature, etc. all greatly affect the radiation chemistry of the irradiated polymers. Over the past decade, grafting new chemical functionalities on solid polymers by radiation-induced polymerization (also called RIG for Radiation-Induced Grafting) has been widely exploited to develop innovative materials in coherence with actual societal expectations. These novel materials respond not only to health emergencies but also to carbon-free energy needs (e.g., hydrogen fuel cells, piezoelectricity, etc.) and environmental concerns with the development of numerous specific adsorbents of chemical hazards and pollutants. The modification of polymers through RIG is durable as it covalently bonds the functional monomers. As radiation penetration depths can be varied, this technique can be used to modify polymer surface or bulk. The many parameters influencing RIG that control the yield of the grafting process are discussed in this review. These include monomer reactivity, irradiation dose, solvent, presence of inhibitor of homopolymerization, grafting temperature, etc. Today, the general knowledge of RIG can be applied to any solid polymer and may predict, to some extent, the grafting location. A special focus is on how ionizing radiation sources (ion and electron beams, UVs) may be chosen or mixed to combine both solid polymer nanostructuration and RIG. LLET ionizing radiation has also been extensively used to synthesize hydrogel and nanogel for drug delivery systems and other advanced applications. In particular, nanogels can either be produced by radiation-induced polymerization and simultaneous crosslinking of hydrophilic monomers in "nanocompartments", i.e., within the aqueous phase of inverse micelles, or by intramolecular crosslinking of suitable water-soluble polymers. The radiolytically produced oxidizing species from water, •OH radicals, can easily abstract H-atoms from the backbone of the dissolved polymers (or can add to the unsaturated bonds) leading to the formation of C-centered radicals. These C-centered free radicals can undergo two main competitive reactions; intramolecular and intermolecular crosslinking. When produced by electron beam irradiation, higher temperatures, dose rates within the pulse, and pulse repetition rates favour intramolecular crosslinking over intermolecular crosslinking, thus enabling a better control of particle size and size distribution. For other water-soluble biopolymers such as polysaccharides, proteins, DNA and RNA, the abstraction of H atoms or the addition to the unsaturation by •OH can lead to the direct scission of the backbone, double, or single strand breaks of these polymers.
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Affiliation(s)
- Aiysha Ashfaq
- Department of Chemistry and Biochemistry, University of Maryland, College Park, MD 20742, USA;
| | - Marie-Claude Clochard
- Laboratoire des Solides Irradiés, CEA/DRF/IRAMIS-CNRS- Ecole Polytechnique UMR 7642, Institut Polytechnique de Paris, 91128 Palaiseau, France;
| | - Xavier Coqueret
- Institut de Chimie Moléculaire de Reims, CNRS UMR 7312, Université de Reims Champagne-Ardenne, BP 1039, 51687 Reims CEDEX 2, France;
| | - Clelia Dispenza
- Dipartimento di Ingegneria, Università degli Studi di Palermo, Viale delle Scienze 6, 90128 Palermo, Italy;
- Istituto di BioFisica, Consiglio Nazionale delle Ricerche, Via U. La Malfa 153, 90146 Palermo, Italy
| | - Mark S. Driscoll
- Department of Chemistry, State University of New York College of Environmental Science and Forestry, Syracuse, NY 13210, USA;
- UV/EB Technology Center, State University of New York College of Environmental Science and Forestry, Syracuse, NY 13210, USA
| | - Piotr Ulański
- Institute of Applied Radiation Chemistry, Faculty of Chemistry, Lodz University of Technology, Wroblewskiego 15, 93-590 Lodz, Poland;
| | - Mohamad Al-Sheikhly
- Department of Materials Science and Engineering, University of Maryland, College Park, MD 20742, USA
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Luo Z, Xu Y, Chen H, Jiang H, Geng W, Wei W, Lian Z. Preparation of Cr(
VI
)‐imprinted polypropylene nonwoven fibers using plasma polymerization‐assisted grafting. J Appl Polym Sci 2020. [DOI: 10.1002/app.49317] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Zhengwei Luo
- College of Biotechnology and Pharmaceutical EngineeringNanjing Tech University Nanjing China
| | - Yiyang Xu
- School of Environmental Science and EngineeringNanjing Tech University Nanjing China
| | - Haonan Chen
- School of Environmental Science and EngineeringNanjing Tech University Nanjing China
| | - Hui Jiang
- College of Biotechnology and Pharmaceutical EngineeringNanjing Tech University Nanjing China
| | - Wenhua Geng
- College of Biotechnology and Pharmaceutical EngineeringNanjing Tech University Nanjing China
| | - Wuji Wei
- School of Environmental Science and EngineeringNanjing Tech University Nanjing China
| | - Zhouyang Lian
- School of Environmental Science and EngineeringNanjing Tech University Nanjing China
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Song MK, Lee BT. Synthesis of CH 3I-quaternized polypropylene nonwoven fiber grafted with imidazole (PP-g-Vim) to adsorb vapor phase ammonia. CHEMOSPHERE 2019; 233:660-666. [PMID: 31195270 DOI: 10.1016/j.chemosphere.2019.05.106] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 05/08/2019] [Accepted: 05/14/2019] [Indexed: 06/09/2023]
Abstract
Ammonia in gas phase has an unpleasant smell and is hazardous to human health. Though activated carbon has been widely used as a representative adsorbent, it is significantly vulnerable to humidity. In the study, a nonwoven fibrous polypropylene polymer was synthesized using a photo-graft reaction with imidazole followed by quaternization with CH3I. The time of each reaction was optimized for the maximum adsorption. The FT-IR confirmed that 1-vinyl imidazole (Vim) and methyl group (-CH3) were successfully introduced into PP fibers. The Langmuir isotherm characterized that the adsorption capacity was 44.84 mg NO3-N g-1. The adsorption intensity, 1/n, by Freundlich adsorption isotherm was 0.41 indicating that the adsorption of NO3-N onto PP-g-Vim-CH3I was favorable at the studied conditions. In the gas phase, maximum adsorption of was calculated to be 40 ± 0.69 mg NH3 g-1 by BET model. Though the adsorption amount decreased by 2.5 times as the temperature increased from 15 °C to 45 °C, the amounts and rates of adsorption were not influenced by humidity. In conclusion, the synthesized PP-g-Vim-CH3I was able to ammonia in the gas phase at a range of humidity.
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Affiliation(s)
- Myoung-Ki Song
- Environmental Analysis Center, School of Earth Sciences and Environmental Engineering, Gwangju Institute of Science and Technology(GIST), 61005, Gwangju, South Korea
| | - Byung-Tae Lee
- Environmental Analysis Center, School of Earth Sciences and Environmental Engineering, Gwangju Institute of Science and Technology(GIST), 61005, Gwangju, South Korea.
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Korpayev S, Kavaklı C, Tilki S, Akkaş Kavaklı P. Novel cotton fabric adsorbent for efficient As(V) adsorption. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:34610-34622. [PMID: 30315533 DOI: 10.1007/s11356-018-3407-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Accepted: 10/04/2018] [Indexed: 06/08/2023]
Abstract
A novel amine functionalized nonwoven cotton fabric (EDA-GMA-g-NCF) adsorbent material for As(V) adsorption was prepared by using plasma-initiated graft polymerization of glycidyl methacrylate (GMA) onto nonwoven cotton fabric (NCF) and then its modification with ethylenediamine (EDA). The resultant nonwoven cotton fabric adsorbent was examined by using FT-IR, SEM, and XPS techniques. As(V) adsorption experiments were performed in batch mode as a function of pH, contact time, initial concentration, coexisting ions, ionic strength, and tap water applications. Ethylenediamine carrying nonwoven cotton fabric-based functional adsorbent showed efficient, rapid As(V) removal with high adsorption capacity. The experimental data shows that adsorption mechanism fits to the Langmuir isotherm, and adsorption kinetic follows a pseudo-second-order model. Between pH 2-8 range, nonwoven cotton fabric adsorbent is effective at pH 3 for As(V) adsorption. The maximum adsorption capacity of the nonwoven cotton fabric for As(V) was 217.39 mg/g. The adsorbent could be easily regenerated at least ten cycles with 3% HNO3 solution. EDA-GMA-g-NCF was also efficient for tap water applications with high percent As(V) removal. Thermodynamic parameters show that the As(V) adsorption process was spontaneous and exothermic. Graphical abstract Preparation of cotton fabric adsorbent and As(V) treatment process.
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Affiliation(s)
- Serdar Korpayev
- Department of Chemistry, Hacettepe University, Beytepe, 06800, Ankara, Turkey
| | - Cengiz Kavaklı
- Department of Chemistry, Hacettepe University, Beytepe, 06800, Ankara, Turkey
| | - Serhad Tilki
- Department of Chemistry, Hacettepe University, Beytepe, 06800, Ankara, Turkey
| | - Pınar Akkaş Kavaklı
- Department of Chemistry, Hacettepe University, Beytepe, 06800, Ankara, Turkey.
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Shao L, Liu M, Huang J, Liu YN. CO2 capture by nitrogen-doped porous carbons derived from nitrogen-containing hyper-cross-linked polymers. J Colloid Interface Sci 2018; 513:304-313. [DOI: 10.1016/j.jcis.2017.11.043] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Revised: 11/10/2017] [Accepted: 11/14/2017] [Indexed: 10/18/2022]
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14
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Madrid JF, Ueki Y, Abad LV, Yamanobe T, Seko N. RAFT-mediated graft polymerization of glycidyl methacrylate in emulsion from polyethylene/polypropylene initiated with γ-radiation. J Appl Polym Sci 2017. [DOI: 10.1002/app.45270] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Jordan F. Madrid
- Department of Science and Technology; Philippine Nuclear Research Institute; Quezon 1101 Philippines
- Division of Molecular Science; Gunma University; Kiryu Gunma 376-8515 Japan
| | - Yuji Ueki
- Research Project Environmental Polymer; Quantum Beam Science Directorate, National Institutes for Quantum and Radiological Science and Technology, Watanuki-machi; Takasaki City Gunma 370-1292 Japan
| | - Lucille V. Abad
- Department of Science and Technology; Philippine Nuclear Research Institute; Quezon 1101 Philippines
| | - Takeshi Yamanobe
- Division of Molecular Science; Gunma University; Kiryu Gunma 376-8515 Japan
| | - Noriaki Seko
- Research Project Environmental Polymer; Quantum Beam Science Directorate, National Institutes for Quantum and Radiological Science and Technology, Watanuki-machi; Takasaki City Gunma 370-1292 Japan
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