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Khan M, Al-Ghouti MA, Khraisheh M, Shomar B, Hijji Y, Tong Y, Mansour S, Nasser MS. Synthesis of nanostructured novel ion-imprinted polymer for selective removal of Cu 2+ and Sr 2+ ions from reverse osmosis concentrated brine. ENVIRONMENTAL RESEARCH 2023; 231:116024. [PMID: 37121345 DOI: 10.1016/j.envres.2023.116024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Revised: 04/15/2023] [Accepted: 04/28/2023] [Indexed: 05/09/2023]
Abstract
This study aims to prepare an ion-imprinted polymer (IIP) using copper sulfate as a template and potassium persulfate as an initiator to selectively adsorb copper ions (Cu2+) from aqueous solutions and in an attempt to also test its applicability for removing strontium ions (Sr2+). The prepared polymer was denoted by IIP-Cu. Various physical and chemical characterizations were performed for the prepared IIP-Cu. The scanning electron microscopy and transmission electron microscopy analyses confirmed the cavities formed after the removal of the template. It also indicated that the IIP-Cu had a rough and porous topology. The X-ray photoelectron spectroscopy confirmed the successful removal of the Cu template from IIP-Cu. The Brunauer-Emmet-Teller revealed that the surface area of IIP-Cu is as high as 152.3 m2/g while the pore radius is 8.51 nm. The effect of pH indicated that the maximum adsorption of Cu2+ was achieved at pH 8 with 98.7%. Isotherm studies revealed that the adsorption of Cu2+ was best explained using Langmuir models with a maximum adsorption capacity of 159 mg/g. The effect of temperature revealed that an increase in temperature had an adverse impact on Cu2+ removal from the aqueous solution, which was further confirmed by thermodynamic studies. The negative value of standard enthalpy change (-4.641 kJ/mol) revealed that the adsorption of Cu2+ onto IIP-Cu was exothermic. While the continuous increase in Gibbs free energy from -6776 kJ/mol to -8385 kJ/mol with the increase in temperature indicated that the adsorption process was spontaneous and feasible. Lastly, the positive value of the standard entropy change (0.023 J/mol.K) suggested that the Cu2+ adsorption onto IIP-Cu had a good affinity at the solid-liquid surface. The efficiency of the prepared IIP-Cu was also tested by studying the adsorption capacity using Sr2+ and real brine water. The results revealed that IIP-Cu was able to remove 63.57% of Sr2+ at pH 8. While the adsorption studies revealed that the experiment was best described using the Langmuir model with a maximum adsorption capacity of 76.92 mg/g. Additionally, IIP-Cu was applied in a real brine sample, which consisted of various metal ions. The highest percentage of Cu2+ removal was 90.6% and the lowest was 65.63% in 1:4 and 1:1 brine ratios, respectively. However, this study indicates the successful application of IIP-Cu in a real sample when it comes to the effective and efficient removal of Cu2+ in a solution consisting of various competing ions.
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Affiliation(s)
- Mariam Khan
- Environmental Science Program, Department of Biological and Environmental Sciences, College of Arts and Sciences, Qatar University, Doha, P.O. Box: 2713, Qatar
| | - Mohammad A Al-Ghouti
- Environmental Science Program, Department of Biological and Environmental Sciences, College of Arts and Sciences, Qatar University, Doha, P.O. Box: 2713, Qatar.
| | - Majeda Khraisheh
- Department of Chemical Engineering, College of Engineering, Qatar University, Doha, P.O. Box: 2713, Qatar
| | - Basem Shomar
- Environmental Science Center, Qatar University, Doha, P.O. Box: 2713, Qatar
| | - Yousef Hijji
- Environmental Science Program, Department of Biological and Environmental Sciences, College of Arts and Sciences, Qatar University, Doha, P.O. Box: 2713, Qatar
| | - Yongfeng Tong
- Core Labs, Qatar Environment and Energy Research Institute (QEERI), Hamad Bin Khalifa University (HBKU) 34110 Qatar Foundation, Doha, Qatar
| | - Said Mansour
- Core Labs, Qatar Environment and Energy Research Institute (QEERI), Hamad Bin Khalifa University (HBKU) 34110 Qatar Foundation, Doha, Qatar
| | - Mustafa Saleh Nasser
- Gas Processing Center, College of Engineering, Qatar University, Doha, P.O. Box 2713, Qatar
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Lazar MM, Ghiorghita CA, Dragan ES, Humelnicu D, Dinu MV. Ion-Imprinted Polymeric Materials for Selective Adsorption of Heavy Metal Ions from Aqueous Solution. Molecules 2023; 28:molecules28062798. [PMID: 36985770 PMCID: PMC10055817 DOI: 10.3390/molecules28062798] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/17/2023] [Accepted: 03/17/2023] [Indexed: 03/30/2023] Open
Abstract
The introduction of selective recognition sites toward certain heavy metal ions (HMIs) is a great challenge, which has a major role when the separation of species with similar physicochemical features is considered. In this context, ion-imprinted polymers (IIPs) developed based on the principle of molecular imprinting methodology, have emerged as an innovative solution. Recent advances in IIPs have shown that they exhibit higher selectivity coefficients than non-imprinted ones, which could support a large range of environmental applications starting from extraction and monitoring of HMIs to their detection and quantification. This review will emphasize the application of IIPs for selective removal of transition metal ions (including HMIs, precious metal ions, radionuclides, and rare earth metal ions) from aqueous solution by critically analyzing the most relevant literature studies from the last decade. In the first part of this review, the chemical components of IIPs, the main ion-imprinting technologies as well as the characterization methods used to evaluate the binding properties are briefly presented. In the second part, synthesis parameters, adsorption performance, and a descriptive analysis of solid phase extraction of heavy metal ions by various IIPs are provided.
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Affiliation(s)
- Maria Marinela Lazar
- Department of Functional Polymers, Petru Poni Institute of Macromolecular Chemistry, Grigore Ghica Voda Alley 41 A, 700487 Iasi, Romania
| | - Claudiu-Augustin Ghiorghita
- Department of Functional Polymers, Petru Poni Institute of Macromolecular Chemistry, Grigore Ghica Voda Alley 41 A, 700487 Iasi, Romania
| | - Ecaterina Stela Dragan
- Department of Functional Polymers, Petru Poni Institute of Macromolecular Chemistry, Grigore Ghica Voda Alley 41 A, 700487 Iasi, Romania
| | - Doina Humelnicu
- Faculty of Chemistry, Alexandru Ioan Cuza University of Iasi, Carol I Bd. 11, 700506 Iasi, Romania
| | - Maria Valentina Dinu
- Department of Functional Polymers, Petru Poni Institute of Macromolecular Chemistry, Grigore Ghica Voda Alley 41 A, 700487 Iasi, Romania
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Zhang W, Deng X, Ye S, Xia Y, Li L, Li W, He H. Selective removal and recovery of Ni(ii) using a sulfonic acid-based magnetic rattle-type ion-imprinted polymer: adsorption performance and mechanisms. RSC Adv 2022; 12:34571-34583. [PMID: 36545634 PMCID: PMC9713772 DOI: 10.1039/d2ra06918k] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Accepted: 11/24/2022] [Indexed: 12/02/2022] Open
Abstract
It is significant to selectively remove Ni(ii) ions from wastewater. A novel sulfonic acid-based magnetic rattle-type ion-imprinted polymer (Fe3O4@void@IIP-Ni(ii)) was designed by taking advantage of the strong interaction between Ni(ii) and sulfonic acid groups. Green polymerization was used to synthesize Fe3O4@void@IIP-Ni(ii), which was then investigated using SEM, TEM, FT-IR, VSM, TGA, EDS, and XPS. The adsorption results indicated that the prepared imprinted material had a short adsorption equilibrium time (10 min), good magnetic responsiveness (about 5 seconds) and high adsorption capacity (44.64 mg g-1) for Ni(ii) at the optimal pH of 6.0. The removal rate of Ni(ii) was up to 99.97%, and the adsorption process was spontaneous and endothermic, following the pseudo-secondary kinetic model and Langmuir model. The selectivity coefficients of the imprinted material were 4.67, 4.62, 8.94 and 9.69 for Ni(ii)/Co(ii), Ni(ii)/Cu(ii), Ni(ii)/Pb(ii) and Ni(ii)/Zn(ii), respectively. The regeneration and application of the imprinted material in actual water samples have been verified. Moreover, the mechanism of selective adsorption for Ni(ii) was investigated by FTIR, XPS and density functional theory (DFT) calculation. The results showed that the imprinted sorbent has a strong binding ability with Ni(ii), and the adsorption of Ni(ii) on Fe3O4@void@IIP-Ni(ii) was the result of the co-coordination of O atoms of the sulfonic acid groups and N atoms of -N-C[double bond, length as m-dash]O groups in AMPS with Ni(ii).
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Affiliation(s)
- Weiye Zhang
- Yunnan Key Laboratory of Food Safety Testing Technology, Kunming UniversityKunming 650214China
| | - Xiujun Deng
- School of Chemistry and Chemical Engineering, Yunnan Key Laboratory of Metal-Organic Molecular Materials and Device, Kunming UniversityKunming 650214China
| | - Siqing Ye
- Yunnan Key Laboratory of Food Safety Testing Technology, Kunming UniversityKunming 650214China
| | - Yan Xia
- Yunnan Key Laboratory of Food Safety Testing Technology, Kunming UniversityKunming 650214China
| | - Lingling Li
- Yunnan Key Laboratory of Food Safety Testing Technology, Kunming UniversityKunming 650214China
| | - Weili Li
- Yunnan Key Laboratory of Food Safety Testing Technology, Kunming UniversityKunming 650214China
| | - Hongxing He
- Yunnan Key Laboratory of Food Safety Testing Technology, Kunming UniversityKunming 650214China
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Metwally MG, Benhawy AH, Khalifa RM, El Nashar RM, Trojanowicz M. Application of Molecularly Imprinted Polymers in the Analysis of Waters and Wastewaters. Molecules 2021; 26:6515. [PMID: 34770924 PMCID: PMC8587002 DOI: 10.3390/molecules26216515] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Revised: 10/24/2021] [Accepted: 10/25/2021] [Indexed: 11/16/2022] Open
Abstract
The increase of the global population and shortage of renewable water resources urges the development of possible remedies to improve the quality and reusability of waste and contaminated water supplies. Different water pollutants, such as heavy metals, dyes, pesticides, endocrine disrupting compounds (EDCs), and pharmaceuticals, are produced through continuous technical and industrial developments that are emerging with the increasing population. Molecularly imprinted polymers (MIPs) represent a class of synthetic receptors that can be produced from different types of polymerization reactions between a target template and functional monomer(s), having functional groups specifically interacting with the template; such interactions can be tailored according to the purpose of designing the polymer and based on the nature of the target compounds. The removal of the template using suitable knocking out agents renders a recognition cavity that can specifically rebind to the target template which is the main mechanism of the applicability of MIPs in electrochemical sensors and as solid phase extraction sorbents. MIPs have unique properties in terms of stability, selectivity, and resistance to acids and bases besides being of low cost and simple to prepare; thus, they are excellent materials to be used for water analysis. The current review represents the different applications of MIPs in the past five years for the detection of different classes of water and wastewater contaminants and possible approaches for future applications.
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Affiliation(s)
- Mahmoud G. Metwally
- Chemistry Department, Faculty of Science, Cairo University, Giza 12613, Egypt; (M.G.M.); (A.H.B.); (R.M.K.)
| | - Abdelaziz H. Benhawy
- Chemistry Department, Faculty of Science, Cairo University, Giza 12613, Egypt; (M.G.M.); (A.H.B.); (R.M.K.)
| | - Reda M. Khalifa
- Chemistry Department, Faculty of Science, Cairo University, Giza 12613, Egypt; (M.G.M.); (A.H.B.); (R.M.K.)
| | - Rasha M. El Nashar
- Chemistry Department, Faculty of Science, Cairo University, Giza 12613, Egypt; (M.G.M.); (A.H.B.); (R.M.K.)
| | - Marek Trojanowicz
- Institute of Nuclear Chemistry and Technology, Dorodna 16, 03-195 Warsaw, Poland
- Department of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland
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A mesoporous melamine/chitosan/activated carbon biocomposite: Preparation, characterization and its application for Ni (II) uptake via ion imprinting. Int J Biol Macromol 2021; 188:126-136. [PMID: 34371037 DOI: 10.1016/j.ijbiomac.2021.08.020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 08/01/2021] [Accepted: 08/02/2021] [Indexed: 11/21/2022]
Abstract
A novel imprinted biocomposite and its non-imprinted form were developed by melaminating and crosslinking of chitosan coated onto a bio-based activated carbon and characterized using FTIR, BET, FESEM-EDS and XRD. Nickel, 4-Toluenesulfonyl chloride, and glutaraldehyde were used as a template, converter of hydroxyl and amine groups to good leaving groups, and cross-linker, respectively. The factors affecting adsorptivity and imprinting factor were optimized by using the Taguchi method for the subsequent comparative adsorptivity, kinetics, isotherms, selectivity, and reusability studies of imprinted biocomposite with its non-imprinted one. The pseudo-first-order and Langmuir models were best fitted to the experimental kinetics and equilibrium isotherm data, respectively. The maximum Ni (II)) adsorptivity of 109.86 mg/g, the imprinting factor (I·F) of 5.45 and Ni (II) selectivity coefficients values of 3.13, 4.48, 3.72, 2.51 for Ni (II) toward Zn (II), Cd (II), Cu (II) and Pb (II), respectively, were obtained at optimum conditions. After five consecutive adsorption-desorption cycles, the biocomposites still presented a high adsorptivity (>83%), indicating their excellent reusability.
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Kumar S, Balouch A, Alveroğlu E, Jagirani MS, Mughal MA, Mal D. Fabrication of nickel-tagged magnetic imprinted polymeric network for the selective extraction of Ni(II) from the real aqueous samples. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:40022-40034. [PMID: 33770354 DOI: 10.1007/s11356-021-13375-x] [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: 11/11/2020] [Accepted: 03/05/2021] [Indexed: 06/12/2023]
Abstract
A new nickel ion, magnetic imprinted polymer was fabricated through the precipitation polymerization process, using amine-functionalized silica-capped iron oxide particles as a core material, and 4-vinyl pyridine as complexing agent methacrylic acid as functional monomer. The resulted magnetic adsorbent was employed to eliminate toxic Ni2+ ions from industrial wastewater. The different parameters were optimized, such as pH, shaking speed, and adsorbent dose, to obtain the maximum adsorption capacity. The synthesized material showed high selectivity coefficient for Ni+2 ions in the presence of other competitive ions and followed pseudo-second-order kinetics and Langmuir isotherm. A good adsorption capacity of 158.73 mg g-1 was obtained at optimized pH 6 in the concentration of 5 mg L-1 nickel ions aqueous solution. The limit of detection, quantification, and the percent relative standard deviation was found to be 0.58, 1.93, and 3.4%. This proves the excellent performance of prepared magnetic Ni(II) ion-imprinted polymer for selective detoxification of Ni2+ ions from real aqueous samples. Due to tunable magnetic properties, the prepared MMIPs are highly selective and sensitive and highly porous in nature; due to excellent magnetic properties, there is no need for centrifugation. Just use external magnetic field, it has good reusability. Showing preparation of Ni (II) imprinted magnetic polymer.
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Affiliation(s)
- Sagar Kumar
- National Centre of Excellence in Analytical Chemistry, University of Sindh, Jamshoro, Sindh, 76080, Pakistan
| | - Aamna Balouch
- National Centre of Excellence in Analytical Chemistry, University of Sindh, Jamshoro, Sindh, 76080, Pakistan.
- Faculty of Science and Letters, Department of Physics Engineering, Istanbul Technical University, Maslak, 34467 Sariyer, Istanbul, Turkey.
| | - Esra Alveroğlu
- Faculty of Science and Letters, Department of Physics Engineering, Istanbul Technical University, Maslak, 34467 Sariyer, Istanbul, Turkey
| | - Muhammad Saqaf Jagirani
- National Centre of Excellence in Analytical Chemistry, University of Sindh, Jamshoro, Sindh, 76080, Pakistan
| | - Moina Akhtar Mughal
- Dr. M.A. Kazi Institute of Chemistry University of Sindh, Jamshoro, Sindh, 76080, Pakistan
| | - Dadu Mal
- National Centre of Excellence in Analytical Chemistry, University of Sindh, Jamshoro, Sindh, 76080, Pakistan
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Kong Z, Du Y, Wei J, Zhang H, Fan L. Synthesis of a new ion-imprinted polymer for selective Cr(VI) adsorption from aqueous solutions effectively and rapidly. J Colloid Interface Sci 2021; 588:749-760. [DOI: 10.1016/j.jcis.2020.11.107] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Revised: 11/25/2020] [Accepted: 11/26/2020] [Indexed: 01/19/2023]
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Applications of Chitosan in Molecularly and Ion Imprinted Polymers. CHEMISTRY AFRICA-A JOURNAL OF THE TUNISIAN CHEMICAL SOCIETY 2020. [DOI: 10.1007/s42250-020-00177-w] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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