1
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Afridi MN, Zafar Z, Khan IA, Ali I, Bacha AUR, Maitlo HA, Qasim M, Nawaz M, Qi F, Sillanpää M, Lee KH, Asif MB. Advances in MXene-based technologies for the remediation of toxic phenols: A comprehensive review. Adv Colloid Interface Sci 2024; 332:103250. [PMID: 39047647 DOI: 10.1016/j.cis.2024.103250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 05/08/2024] [Accepted: 07/15/2024] [Indexed: 07/27/2024]
Abstract
The pressing global issue of organic pollutants, particularly phenolic compounds derived primarily from industrial wastes, poses a significant threat to the environment. Although progress has been made in the development of low-cost materials for phenolic compound removal, their effectiveness remains limited. Thus, there is an urgent need for novel technologies to comprehensively address this issue. In this context, MXenes, known for their exceptional physicochemical properties, have emerged as highly promising candidates for the remediation of phenolic pollutants. This review aims to provide a comprehensive and critical evaluation of MXene-based technologies for the removal of phenolic pollutants, focusing on the following key aspects: (1) The classification and categorization of phenolic pollutants, highlighting their adverse environmental impacts, and emphasizing the crucial need for their removal. (2) An in-depth discussion on the synthesis methods and properties of MXene-based composites, emphasizing their suitability for environmental remediation. (3) A detailed analysis of MXene-based adsorption, catalysis, photocatalysis, and hybrid processes, showcasing current advancements in MXene modification and functionalization to enhance removal efficiency. (4) A thorough examination of the removal mechanisms and stability of MXene-based technologies, elucidating their operating conditions and stability in pollutant removal scenarios. (5) Finally, this review concludes by outlining future challenges and opportunities for MXene-based technologies in water treatment, facilitating their potential applications. This comprehensive review provides valuable insights and innovative ideas for the development of versatile MXene-based technologies tailored to combat water pollution effectively.
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Affiliation(s)
- Muhammad Naveed Afridi
- School of Civil and Environmental Engineering, Harbin Institute of Technology, Shenzhen 518055, PR China
| | - Zulakha Zafar
- College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, China
| | - Imtiaz Afzal Khan
- Interdisciplinary Research Center for Membranes and Water Security, King Fahd University of Petroleum & Minerals, Dhahran 31261, Saudi Arabia
| | - Imran Ali
- Department of Environmental Sciences, Sindh Madressatul Islam University, Aiwan-e-Tijarat Road, Karachi 74000, Pakistan
| | - Aziz-Ur-Rahim Bacha
- School of Civil and Environmental Engineering, Harbin Institute of Technology, Shenzhen 518055, PR China
| | - Hubdar Ali Maitlo
- College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, China
| | - Muhammad Qasim
- College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, China
| | - Muhammad Nawaz
- Shenzhen Key Laboratory of Food Nutrition and Health, Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China
| | - Fei Qi
- Beijing Key Lab for Source Control Technology of Water Pollution, College of Environmental Science and Engineering, Beijing Forestry University, Beijing, China
| | - Mika Sillanpää
- Department of Chemical Engineering, School of Mining, Metallurgy and Chemical Engineering, University of Johannesburg, Doornfontein, South Africa; Sustainability Cluster, School of Advanced Engineering, UPES, Bidholi, Dehradun, Uttarakhand, India; Adnan Kassar School of Business, Lebanese American University, Beirut, Lebanon
| | - Kang Hoon Lee
- Department of Energy and Environmental Engineering, The Catholic University of Korea, Bucheon, Republic of Korea.
| | - Muhammad Bilal Asif
- Advanced Membranes and Porous Materials Center (AMPMC), Physical Sciences and Engineering (PSE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955, Saudi Arabia.
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2
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Sobhi HR, Yeganeh M, Ghambarian M, Fallah S, Esrafili A. A new MOF-based modified adsorbent for the efficient removal of Hg(ii) ions from aqueous media: isotherms and kinetics. RSC Adv 2024; 14:16617-16623. [PMID: 38784425 PMCID: PMC11110648 DOI: 10.1039/d4ra00770k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Accepted: 04/08/2024] [Indexed: 05/25/2024] Open
Abstract
Herein, a new MOF-based modified adsorbent for the efficient removal of Hg(ii) ions from water media was successfully prepared. Initially, a MOF nanocomposite was synthesized and applied as an efficient adsorbent for the removal of the target heavy metal ion. Following the synthesis, the MOF-based modified adsorbent was identified and characterized by SEM, XRD and FT-IR analytical instruments. The impact of several key variables such as pH of aqueous solution, adsorbent dosage, contact time, and initial concentration of the analyte of interest on the adsorption efficiency was also investigated in detail. Under the optimal conditions established (pH, 3; dose of adsorbent, 0.4 g L-1; contact time, 40 min and the analyte's concentration of 1 mg L-1) the removal efficiency of 96.3% for Hg(ii) was obtained. The results of the studies on the isotherm and kinetics of adsorption revealed that the adsorption process of Hg(ii) matched with the Langmuir isotherm (R2 > 0.990) and the pseudo 2nd-order kinetic models (R2 > 0.998). Additionally, reuse of the applied adsorbent for five consecutive tests exhibited a small percentage of drop (about 8%) in the removal efficiency of the target ion. Finally, the results indicated that the MOF-based modified compound could be potentially applied as a highly efficacious adsorbent for the discharge of Hg(ii) from aquatic media.
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Affiliation(s)
| | - Mojtaba Yeganeh
- Research Center for Environmental Health Technology, Iran University of Medical Sciences Tehran Iran
- Department of Environmental Health Engineering, School of Public Health, Iran University of Medical Sciences Tehran Iran
| | - Mahnaz Ghambarian
- Iranian Research and Development Center for Chemical Industries, ACECR Tehran Iran
| | - Sevda Fallah
- Department of Environmental Health Engineering, Student Research Committee, School of Public Health and Safety, Shahid Beheshty University of Medical Science Tehran Iran
| | - Ali Esrafili
- Research Center for Environmental Health Technology, Iran University of Medical Sciences Tehran Iran
- Department of Environmental Health Engineering, School of Public Health, Iran University of Medical Sciences Tehran Iran
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3
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Muthukutty B, Kumar PS, Vivekanandan AK, Sivakumar M, Lee S, Lee D. Progress and Perspective in harnessing MXene-carbon-based composites (0-3D): Synthesis, performance, and applications. CHEMOSPHERE 2024; 355:141838. [PMID: 38561159 DOI: 10.1016/j.chemosphere.2024.141838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 03/09/2024] [Accepted: 03/27/2024] [Indexed: 04/04/2024]
Abstract
MXene is recognized as a promising catalyst for versatile applications due to its abundant metal sites, physicochemical properties, and structural formation. This comprehensive review offers an in-depth analysis of the incorporation of carbon into MXene, resulting in the formation of MXene-carbon-based composites (MCCs). Pristine MXene exhibits numerous outstanding characteristics, such as its atomically thin 2D structure, hydrophilic surface nature, metallic electrical conductivity, and substantial specific surface area. The introduction of carbon guides the assembly of MCCs through electrostatic self-assembly, pairing positively charged carbon with negatively charged MXene. These interactions result in increased interlayer spacing, reduced ion/electron transport distances, and enhanced surface hydrophilicity. Subsequent sections delve into the synthesis methods for MCCs, focusing on MXene integrated with various carbon structures, including 0D, 1D, 2D, and 3D carbon. Comprehensive discussions explore the distinctive properties of MCCs and the unique advantages they offer in each application domain, emphasizing the contributions and advancements they bring to specific fields. Furthermore, this comprehensive review addresses the challenges encountered by MCCs across different applications. Through these analyses, the review promotes a deeper understanding of exceptional characteristics and potential applications of MCCs. Insights derived from this review can serve as guidance for future research and development efforts, promoting the widespread utilization of MCCs across a broad spectrum of disciplines and spurring future innovations.
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Affiliation(s)
- Balamurugan Muthukutty
- Department of Mechanical Engineering, Gachon University, 1342 Seongnamdaero, Sujeong-gu, Seongnam, Gyeonggi, 13120, Republic of Korea
| | - Ponnaiah Sathish Kumar
- Magnetics Initiative Life Care Research Center, Daegu Gyeongbuk Institute of Science & Technology (DGIST), 333 Techno Jungang-daero, Hyeonpung-myeon, Dalseong-gun, Daegu, 711873, Republic of Korea
| | - Alangadu Kothandan Vivekanandan
- Department of Aeronautical, Annasaheb Dange College of Engineering and Technology, Astha, Sangli district, 416301, Maharastra, India
| | - Mani Sivakumar
- Department of General Pathology, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, 77, Tamilnadu, India
| | - Sungwon Lee
- Department of Physics and Chemistry, Daegu Gyeongbuk Institute of Science & Technology (DGIST), 333 Techno Jungang-daero, Hyeonpung-myeon, Dalseong-gun, Daegu, 711873, Republic of Korea.
| | - Daeho Lee
- Department of Mechanical Engineering, Gachon University, 1342 Seongnamdaero, Sujeong-gu, Seongnam, Gyeonggi, 13120, Republic of Korea.
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4
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Liao M, Zheng Z, Jiang H, Ma M, Wang L, Wang Y, Zhuang S. MXenes as emerging adsorbents for removal of environmental pollutants. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:169014. [PMID: 38040375 DOI: 10.1016/j.scitotenv.2023.169014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Revised: 11/26/2023] [Accepted: 11/28/2023] [Indexed: 12/03/2023]
Abstract
MXenes are a recently emerging class of two-dimensional nanomaterials that have gained considerable interest in the field of environmental protection. Owing to their high surface area, abundant terminal groups, and unique two-dimensional layered structures, MXenes have demonstrated high efficacy as adsorbents for various pollutants. Here we focused on the latest developments in the field of MXene-based adsorbents, including the structure and properties of MXenes, their synthesis and modification methods, and their adsorption performance and mechanisms for various pollutants. Among the pollutants that have been reported to be adsorbed by MXenes are radionuclides (U(VI), Sr(II), Cs(I), Eu(III), Ba(II), Th(IV), and Tc(VII)/Re(VII)), heavy metals (Hg(II), Cu(II), Cr(VI), and Pb(II)), dyes, per- and polyfluoroalkyl substances (PFAS), antibiotics (tetracycline, ciprofloxacin, and sulfonamides), antibiotic resistance genes (ARGs), and other contaminates. Moreover, future directions in MXene research are also suggested in this review.
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Affiliation(s)
- Mingjia Liao
- School of Environment & Natural Resources, Renmin University of China, Beijing 100872, PR China
| | - Zhili Zheng
- School of Environment & Natural Resources, Renmin University of China, Beijing 100872, PR China
| | - Haiyang Jiang
- School of Environment & Natural Resources, Renmin University of China, Beijing 100872, PR China
| | - Mingyu Ma
- School of Environment & Natural Resources, Renmin University of China, Beijing 100872, PR China
| | - Liming Wang
- School of Environment & Natural Resources, Renmin University of China, Beijing 100872, PR China
| | - Yi Wang
- Collaborative Innovation Center for Advanced Nuclear Energy Technology, INET, Tsinghua University, Beijing 100084, PR China
| | - Shuting Zhuang
- School of Environment & Natural Resources, Renmin University of China, Beijing 100872, PR China.
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5
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Gu P, Liu S, Cheng X, Zhang S, Wu C, Wen T, Wang X. Recent strategies, progress, and prospects of two-dimensional metal carbides (MXenes) materials in wastewater purification: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:169533. [PMID: 38154645 DOI: 10.1016/j.scitotenv.2023.169533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 11/28/2023] [Accepted: 12/18/2023] [Indexed: 12/30/2023]
Abstract
With the rapid development of industrialization, water pollution directly leads to the serious shortage of fresh water. As reported by the World Water Council, nearly 3.8 billion people will face water scarcity by 2030. Therefore, developing advanced nanomaterials to realize wastewater purification is a major challenge. Two-dimensional (2D) transition metal carbides (MXenes), as the emerging 2D layered nanomaterials, have been investigated for the applications of water purification treatment since first reported in 2011. Over 40 different MXenes have been developed for environmental remediation, and dozens more structures and properties are theoretically predicted. Here, we review the advances from the aspects of synthesis strategies for MXenes, purification mechanism, and their applications in wastewater treatment processes. The major points are 1) the synthesis and modification approaches for MXenes such as multi-layered stacked MXenes and delaminated MXenes 2) a discussion of current water remediation over MXene-based materials, 3) a brief introduction for removal behaviors and deep interaction mechanisms, 4) optimization strategies and key points for boosting the remediation performance of MXenes.
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Affiliation(s)
- Pengcheng Gu
- School of Resources and Environment, Anhui Agricultural University, Hefei, 230036, PR China; MOE Key Laboratory of Resources and Environmental System Optimization, College of Environmental Science and Engineering, North China Electric Power University, Beijing, 102206, PR China
| | - Shengsheng Liu
- School of Resources and Environment, Anhui Agricultural University, Hefei, 230036, PR China
| | - Xiangmei Cheng
- School of Resources and Environment, Anhui Agricultural University, Hefei, 230036, PR China
| | - Sai Zhang
- MOE Key Laboratory of Resources and Environmental System Optimization, College of Environmental Science and Engineering, North China Electric Power University, Beijing, 102206, PR China
| | - Chuanying Wu
- School of Resources and Environment, Anhui Agricultural University, Hefei, 230036, PR China
| | - Tao Wen
- MOE Key Laboratory of Resources and Environmental System Optimization, College of Environmental Science and Engineering, North China Electric Power University, Beijing, 102206, PR China
| | - Xiangke Wang
- MOE Key Laboratory of Resources and Environmental System Optimization, College of Environmental Science and Engineering, North China Electric Power University, Beijing, 102206, PR China.
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6
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Yang Q, Zhang J, Yin H, Guo J, Lv S, Li Y. MXene/Cellulose Hydrogel Composites: Preparation and Adsorption Properties of Pb 2. Polymers (Basel) 2024; 16:189. [PMID: 38256988 PMCID: PMC10818775 DOI: 10.3390/polym16020189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 12/15/2023] [Accepted: 12/18/2023] [Indexed: 01/24/2024] Open
Abstract
In this work, acrylic cellulose hydrogel, a typical natural polymer adsorbent, was modified using MXene through in situ polymerization to create a synthetic inorganic-polymer composite known as MXene/cellulose hydrogel. FTIR, XRD, SEM, and thermogravimetric analyses were applied to characterize the chemical structure and micromorphology. The MXene/cellulose hydrogel was utilized for the removal of Pb2+ from wastewater. Under optimal experimental conditions (initial Pb2+ concentration of 0.04 mol/L, adsorption time of 150 min, pH = 5.5, and MXene doping content of 50% at 30 °C), a maximum adsorption capacity of 410.57 mg/g was achieved. The MXene/cellulose hydrogel corresponded with the pseudo-second-order kinetic equation model and exhibited a better fit with the Freundlich isotherm model.
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Affiliation(s)
- Qiang Yang
- Shaanxi Key Laboratory of Comprehensive Utilization of Tailings Resources, College of Chemical Engineering and Modern Materials, Shangluo University, Shangluo 726000, China
| | - Jia Zhang
- School of Materials Science & Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China;
- College of Chemistry and Materials Science, Weinan Normal University, Weinan 714099, China;
| | - Hairong Yin
- School of Materials Science & Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China;
| | - Junkang Guo
- School of Environmental Science and Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China;
| | - Shenghua Lv
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China;
| | - Yaofeng Li
- College of Chemistry and Materials Science, Weinan Normal University, Weinan 714099, China;
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7
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Sobolev K, Omelyanchik A, Shilov N, Gorshenkov M, Andreev N, Comite A, Slimani S, Peddis D, Ovchenkov Y, Vasiliev A, Magomedov KE, Rodionova V. Iron Oxide Nanoparticle-Assisted Delamination of Ti 3C 2T x MXenes: A New Approach to Produce Magnetic MXene-Based Composites. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 14:97. [PMID: 38202551 PMCID: PMC10781054 DOI: 10.3390/nano14010097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Revised: 12/07/2023] [Accepted: 12/21/2023] [Indexed: 01/12/2024]
Abstract
Ti3C2Tx MXene is one of the most comprehensively studied 2D materials in terms of its adsorptive, transport, and catalytic properties, cytotoxic performance, etc. Still, conventional MXene synthesis approaches provide low single-flake MXene yield and frequently uncontrollable properties, demanding further post-processing. The MXene family also lacks magnetism, which is helpful for producing effective nanoadsorbents as their magnetic decantation is the cheapest and most convenient way to remove the spent adsorbent from water. Composite materials consisting of magnetic nanoparticles grown on top of MXene flakes are commonly used to provide magnetic properties to the resulting nanocomposite. In this paper, we study the possibility to delaminate multilayer Ti3C2Tx MXene sheets directly by growing iron oxide magnetic nanoparticles inside their interlayer spacing. We find out that, with a mass fraction of particles comparable or exceeding that of MXenes, their growth is accompanied by an effective enhancement of single-layer MXene yield and suitable magnetic properties of the resulting composite. The developed approach can be further used for simplifying synthesis protocols to obtain magnetic MXene-based nanoadsorbents with tunable properties.
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Affiliation(s)
- Kirill Sobolev
- REC Smart Materials and Biomedical Applications, Immanuel Kant Baltic Federal University, A. Nevskogo Str. 14, 236014 Kaliningrad, Russia; (A.O.); (K.E.M.)
- Department of Materials Engineering, Ben Gurion University of the Negev, P.O. Box 653, Beer-Sheva 8410501, Israel
| | - Alexander Omelyanchik
- REC Smart Materials and Biomedical Applications, Immanuel Kant Baltic Federal University, A. Nevskogo Str. 14, 236014 Kaliningrad, Russia; (A.O.); (K.E.M.)
- Department of Chemistry and Industrial Chemistry & INSTM RU, University of Genova, Via Dodecaneso 31, 16146 Genova, Italy (D.P.)
- Institute of Structure of Matter, National Research Council, nM-Lab, Monterotondo Scalo, 00015 Rome, Italy
| | - Nikolai Shilov
- REC Smart Materials and Biomedical Applications, Immanuel Kant Baltic Federal University, A. Nevskogo Str. 14, 236014 Kaliningrad, Russia; (A.O.); (K.E.M.)
| | - Mikhail Gorshenkov
- National University of Science and Technology “MISiS”, Leninsky Pr. 4b1, 119049 Moscow, Russia (Y.O.)
| | - Nikolai Andreev
- REC Smart Materials and Biomedical Applications, Immanuel Kant Baltic Federal University, A. Nevskogo Str. 14, 236014 Kaliningrad, Russia; (A.O.); (K.E.M.)
- National University of Science and Technology “MISiS”, Leninsky Pr. 4b1, 119049 Moscow, Russia (Y.O.)
| | - Antonio Comite
- Department of Chemistry and Industrial Chemistry & INSTM RU, University of Genova, Via Dodecaneso 31, 16146 Genova, Italy (D.P.)
| | - Sawssen Slimani
- Department of Chemistry and Industrial Chemistry & INSTM RU, University of Genova, Via Dodecaneso 31, 16146 Genova, Italy (D.P.)
- Institute of Structure of Matter, National Research Council, nM-Lab, Monterotondo Scalo, 00015 Rome, Italy
| | - Davide Peddis
- Department of Chemistry and Industrial Chemistry & INSTM RU, University of Genova, Via Dodecaneso 31, 16146 Genova, Italy (D.P.)
- Institute of Structure of Matter, National Research Council, nM-Lab, Monterotondo Scalo, 00015 Rome, Italy
| | - Yevgeniy Ovchenkov
- National University of Science and Technology “MISiS”, Leninsky Pr. 4b1, 119049 Moscow, Russia (Y.O.)
- Faculty of Physics, Lomonosov Moscow State University, Kolmogorova Str. 1/2, 119234 Moscow, Russia
| | - Alexander Vasiliev
- National University of Science and Technology “MISiS”, Leninsky Pr. 4b1, 119049 Moscow, Russia (Y.O.)
| | - Kurban E. Magomedov
- REC Smart Materials and Biomedical Applications, Immanuel Kant Baltic Federal University, A. Nevskogo Str. 14, 236014 Kaliningrad, Russia; (A.O.); (K.E.M.)
- Faculty of Chemistry, Dagestan State University, M. Gadzhiev Str. 43-a, 367000 Makhachkala, Russia
| | - Valeria Rodionova
- REC Smart Materials and Biomedical Applications, Immanuel Kant Baltic Federal University, A. Nevskogo Str. 14, 236014 Kaliningrad, Russia; (A.O.); (K.E.M.)
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Mostafa AG, Gaith EA, Akl MA. Aminothiol supported dialdehyde cellulose for efficient and selective removal of Hg(II) from aquatic solutions. Sci Rep 2023; 13:19507. [PMID: 37945624 PMCID: PMC10636137 DOI: 10.1038/s41598-023-46082-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Accepted: 10/27/2023] [Indexed: 11/12/2023] Open
Abstract
The increasingly serious problem of mercury pollution has caused wide concern, and exploring adsorbent materials with high adsorption capacity is a simple and effective approach to address this concern. In the recent study, dialdehyde cellulose (DAC), cyanoacetohydrazide (CAH), and carbon disulfide (CS2) are used as raw materials for the (DAC@CAH@SK2) preparation material through the three-steps method. By utilizing the following characterization techniques; thermogravimetric analysis (TGA), N2 adsorption-desorption isotherm (BET), elemental analysis, scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), and X-ray diffraction (XRD), 1HNMR and Energy Dispersive X-ray Spectroscopy (EDS) of DAC@CAH@SK2 composite. The point of zero charge (pHPZC) for the prepared DAC@CAH@SK2 also was examined. From the batch experiments, the optimum conditions were found to be pH (5-8), an Hg2+ concentration of 150 mg/L, a DAC@CAH@SK2 dose of 0.01 g, and a contact time of 180 min with a maximum adsorption quantity of 139.6 mg/g. The process of Hg2+ adsorption on the DAC@CAH@SK2 material was spontaneous exothermic, monolayer chemisorption, and well-fitted to Langmuir and pseudo-2nd-order models. The DAC@CAH@SK2 selectivity towards the Hg2+ was examined by investigating the interfering metal ions effect. The DAC@CAH@SK2 was successfully applied for the Hg2+ removal from synthetic effluents and real wastewater samples with a recovery % exceeding 95%. The prepared DAC@CAH@SK2 was regenerated using a mixture of EDTA and thiourea. Also, FT-IR analysis indicates that the synergistic complexation of N and S atoms on DAC@CAH@SK2 with Hg(II) is an essential factor leading to the high adsorption capacity.
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Affiliation(s)
- Aya G Mostafa
- Department of Chemistry, Faculty of Science, Mansoura University, Mansoura, 35516, Egypt
| | - Eslam A Gaith
- Department of Chemistry, Faculty of Science, Mansoura University, Mansoura, 35516, Egypt
| | - Magda A Akl
- Department of Chemistry, Faculty of Science, Mansoura University, Mansoura, 35516, Egypt.
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9
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Batool F, Qadir R, Adeeb F, Kanwal S, Abdelrahman EA, Noreen S, Albalawi BFA, Mustaqeem M, Imtiaz M, Ditta A, Gondal HY. Biosorption Potential of Arachis hypogaea-Derived Biochar for Cd and Ni, as Evidenced through Kinetic, Isothermal, and Thermodynamics Modeling. ACS OMEGA 2023; 8:40128-40139. [PMID: 37929083 PMCID: PMC10620876 DOI: 10.1021/acsomega.3c02986] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Accepted: 10/02/2023] [Indexed: 11/07/2023]
Abstract
Biochar derived from plant biomass has great potential for the decontamination of aqueous media. It is the need of the hour to test biochar derived from economical, easily available, and novel materials. In this regard, the present study provides insight into the sorption of two heavy metals, i.e., cadmium (Cd) and nickel (Ni), using native Arachis hypogaea and its biochar prepared through pyrolysis. The effect of different factors, including interaction time, initial concentration of adsorbate, and temperature, as well as sorbent dosage, was studied on the sorption of Cd and Ni through a batch experiment. Characterization of the native biowaste and prepared biochar for its surface morphology and functional group identification was executed using Fourier transform infrared (FTIR) spectroscopy and scanning electron microscopy (SEM). Results revealed the presence of different functional groups such as -OH on the surface of the adsorbent, which plays an important role in metal attachment. SEM reveals the irregular surface morphology of the adsorbent, which makes it easy for metal attachment. Thermogravimetric analysis shows the stability of A. hypogaea biochar up to 380 °C as compared with native adsorbent. The adsorption efficacy of A. hypogaea was found to be higher than that of native A. hypogaea for both metals. The best adsorption of Cd (94.5%) on biochar was observed at a concentration of 40 ppm, an adsorbent dosage of 2 g, a contact time of 100 min, and a temperature of 50 °C. While the optimum conditions for adsorption of Ni on biochar (97.2% adsorption) were reported at a contact time of 100 min, adsorbent dosage of 2.5 g, initial concentration of 60 ppm, and temperature of 50 °C. Results revealed that biochar offers better adsorption of metal ions as compared with raw samples at low concentrations. Isothermal studies show the adsorption mechanism as physical adsorption, and the negative value of Gibb's free energy confirms the spontaneous nature of the adsorption reaction. An increase in entropy value favors the adsorption process. Results revealed that the sorbent was a decent alternative to eliminate metal ions from the solution instead of costly adsorbents.
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Affiliation(s)
- Fozia Batool
- Institute
of Chemistry, University of Sargodha, Sargodha 40100, Pakistan
| | - Rahman Qadir
- Institute
of Chemistry, University of Sargodha, Sargodha 40100, Pakistan
| | - Fatima Adeeb
- Institute
of Chemistry, University of Sargodha, Sargodha 40100, Pakistan
| | - Samia Kanwal
- Institute
of Chemistry, University of Sargodha, Sargodha 40100, Pakistan
| | - Ehab A. Abdelrahman
- Department
of Chemistry, College of Science, Imam Mohammad
Ibn Saud Islamic University (IMSIU), Riyadh 11623, Saudi Arabia
- Chemistry
Department, Faculty of Science, Benha University, Benha 13518, Egypt
| | - Sobia Noreen
- Institute
of Chemistry, University of Sargodha, Sargodha 40100, Pakistan
| | | | - Muhammad Mustaqeem
- Institute
of Chemistry, University of Sargodha, Sargodha 40100, Pakistan
| | - Muhammad Imtiaz
- Soil
and Environmental Biotechnology Division, National Institute for Biotechnology and Genetic Engineering (NIBGE), Faisalabad 38000, Pakistan
| | - Allah Ditta
- Department
of Environmental Sciences, Shaheed Benazir
Bhutto University Sheringal, Upper
Dir, 18000, Pakistan
- School
of Biological Sciences, The University of
Western Australia, 35
Stirling Highway, Perth, WA 6009, Australia
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10
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Al-Ghouti MA, Ashfaq MY, Khan M, Al Disi Z, Da'na DA, Shoshaa R. State-of-the-art adsorption and adsorptive filtration based technologies for the removal of trace elements: A critical review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 895:164854. [PMID: 37353014 DOI: 10.1016/j.scitotenv.2023.164854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 04/23/2023] [Accepted: 06/10/2023] [Indexed: 06/25/2023]
Abstract
Water and wastewater are contaminated with various types of trace elements that are released from industrial activities. Their presence, at concentrations above the permissible limit, will cause severe negative impacts on human health and the environment. Due to their cost-effectiveness, simple design, high efficiency, and selectivity, adsorption, and adsorptive filtration are techniques that have received lots of attention as compared to other water treatment techniques. Adsorption isotherms and kinetic studies help to understand the mechanisms of adsorption and adsorption rates, which can be used to develop and optimize different adsorbents. This state-of-the-art review provides and combines the advancements in different conventional and advanced adsorbents, biosorbents, and adsorptive membranes for the removal of trace elements from water streams. Herein, this review discusses the sources of different trace elements and their impact on human health. The review also covers the adsorption technique with a focus on various advanced adsorbents, their adsorption capacities, and adsorption isotherm modeling in detail. In addition, biosorption is critically discussed together with its mechanisms and biosorption isotherms. In the end, the application of various advanced adsorptive membranes is discussed and their comparison with adsorbents and biosorbents is systematically presented.
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Affiliation(s)
- Mohammad A Al-Ghouti
- Environmental Science Program, Department of Biological and Environmental Sciences, College of Arts and Sciences, Qatar University, P.O. Box 2713, Doha, Qatar.
| | - Mohammad Y Ashfaq
- Environmental Science Program, Department of Biological and Environmental Sciences, College of Arts and Sciences, Qatar University, P.O. Box 2713, Doha, Qatar
| | - Mariam Khan
- Environmental Science Program, Department of Biological and Environmental Sciences, College of Arts and Sciences, Qatar University, P.O. Box 2713, Doha, Qatar
| | - Zulfa Al Disi
- Environmental Science Program, Department of Biological and Environmental Sciences, College of Arts and Sciences, Qatar University, P.O. Box 2713, Doha, Qatar
| | - Dana A Da'na
- Environmental Science Program, Department of Biological and Environmental Sciences, College of Arts and Sciences, Qatar University, P.O. Box 2713, Doha, Qatar
| | - Rouzan Shoshaa
- Environmental Science Program, Department of Biological and Environmental Sciences, College of Arts and Sciences, Qatar University, P.O. Box 2713, Doha, Qatar
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11
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Massoumılari Ş, Velioǧlu S. Can MXene be the Effective Nanomaterial Family for the Membrane and Adsorption Technologies to Reach a Sustainable Green World? ACS OMEGA 2023; 8:29859-29909. [PMID: 37636908 PMCID: PMC10448662 DOI: 10.1021/acsomega.3c01182] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Accepted: 06/29/2023] [Indexed: 08/29/2023]
Abstract
Environmental pollution has intensified and accelerated due to a steady increase in the number of industries, and exploring methods to remove hazardous contaminants, which can be typically divided into inorganic and organic compounds, have become inevitable. Therefore, the development of efficacious technology for the separation processes is of paramount importance to ensure the environmental remediation. Membrane and adsorption technologies garnered attention, especially with the use of novel and high performing nanomaterials, which provide a target-specific solution. Specifically, widespread use of MXene nanomaterials in membrane and adsorption technologies has emerged due to their intriguing characteristics, combined with outstanding separation performance. In this review, we demonstrated the intrinsic properties of the MXene family for several separation applications, namely, gas separation, solvent dehydration, dye removal, separation of oil-in-water emulsions, heavy metal ion removal, removal of radionuclides, desalination, and other prominent separation applications. We highlighted the recent advancements used to tune separation potential of the MXene family such as the manipulation of surface chemistry, delamination or intercalation methods, and fabrication of composite or nanocomposite materials. Moreover, we focused on the aspects of stability, fouling, regenerability, and swelling, which deserve special attention when the MXene family is implemented in membrane and adsorption-based separation applications.
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Affiliation(s)
- Şirin Massoumılari
- Institute
of Nanotechnology, Gebze Technical University, Gebze 41400, Kocaeli, Turkey
| | - Sadiye Velioǧlu
- Institute
of Nanotechnology, Gebze Technical University, Gebze 41400, Kocaeli, Turkey
- Nanotechnology
Research and Application Center, Gebze Technical
University, Gebze 41400, Kocaeli, Turkey
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12
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Lv Y, Chen L, Zhang A, Sheng G, Liao Q. Highly efficient removal of rare earth elements by two-dimensional titanium carbide nanosheets as impacted via water chemistry. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:90936-90948. [PMID: 37468781 DOI: 10.1007/s11356-023-28743-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 07/07/2023] [Indexed: 07/21/2023]
Abstract
The separation and recycling of rare earth elements (REEs) are very important owing to the high demand, limited resource, specific usages, and environmental issues. In this work, two-dimensional Ti3C2Tx MXene was introduced to remove REEs (Nd(III) and La(III)) from water, and its physicochemical properties were conducted by HRTEM, SEM-EDS, XRD, FTIR, and XPS. Various parameters, such as initial pH, REEs initial concentration, contact time, and temperature, were investigated by batch experiment, respectively. Furthermore, the adsorption kinetic and isotherm were examined to analyze the adsorption behavior and adsorption mechanism. Nd(III) and La(III) have a good affinity with Ti3C2Tx MXene surface functional groups (-F, -OH, and containing oxygen groups). The maximum adsorption capacities of Ti3C2Tx MXene for Nd(III) and La(III) were 229.85 mg/g and 175.83 mg/g at T = 333 K, respectively. The adsorption data of Nd(III) on Ti3C2Tx MXene fitted well with the Freundlich isotherms model and pseudo-second-order kinetic model. However, the best fitting for La(III) adsorption on Ti3C2Tx MXene was described by both pseudo-first-order and pseudo-second-order model. Thermodynamic study of Nd(III) and La(III) adsorption on Ti3C2Tx MXene showed that the reaction was a spontaneous and endothermic process. These results indicated Ti3C2Tx MXene had a great potential in extracting REEs from an aqueous solution.
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Affiliation(s)
- Yinzhi Lv
- College of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing, Zhejiang, 312000, People's Republic of China
| | - Lin Chen
- College of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing, Zhejiang, 312000, People's Republic of China
| | - Anning Zhang
- College of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing, Zhejiang, 312000, People's Republic of China
| | - Guodong Sheng
- College of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing, Zhejiang, 312000, People's Republic of China
| | - Qing Liao
- College of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing, Zhejiang, 312000, People's Republic of China.
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13
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Superparamagnetic Multifunctionalized Chitosan Nanohybrids for Efficient Copper Adsorption: Comparative Performance, Stability, and Mechanism Insights. Polymers (Basel) 2023; 15:polym15051157. [PMID: 36904398 PMCID: PMC10007229 DOI: 10.3390/polym15051157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2023] [Revised: 02/11/2023] [Accepted: 02/18/2023] [Indexed: 03/02/2023] Open
Abstract
To limit the dangers posed by Cu(II) pollution, chitosan-nanohybrid derivatives were developed for selective and rapid copper adsorption. A magnetic chitosan nanohybrid (r-MCS) was obtained via the co-precipitation nucleation of ferroferric oxide (Fe3O4) co-stabilized within chitosan, followed by further multifunctionalization with amine (diethylenetriamine) and amino acid moieties (alanine, cysteine, and serine types) to give the TA-type, A-type, C-type, and S-type, respectively. The physiochemical characteristics of the as-prepared adsorbents were thoroughly elucidated. The superparamagnetic Fe3O4 nanoparticles were mono-dispersed spherical shapes with typical sizes (~8.5-14.7 nm). The adsorption properties toward Cu(II) were compared, and the interaction behaviors were explained with XPS and FTIR analysis. The saturation adsorption capacities (in mmol.Cu.g-1) have the following order: TA-type (3.29) > C-type (1.92) > S-type (1.75) > A-type(1.70) > r-MCS (0.99) at optimal pH0 5.0. The adsorption was endothermic with fast kinetics (except TA-type was exothermic). Langmuir and pseudo-second-order equations fit well with the experimental data. The nanohybrids exhibit selective adsorption for Cu(II) from multicomponent solutions. These adsorbents show high durability over multiple cycles with desorption efficiency > 93% over six cycles using acidified thiourea. Ultimately, QSAR tools (quantitative structure-activity relationships) were employed to examine the relationship between essential metal properties and adsorbent sensitivities. Moreover, the adsorption process was described quantitatively, using a novel three-dimensional (3D) nonlinear mathematical model.
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Jatoi AS, Mubarak NM, Hashmi Z, Solangi NH, Karri RR, Hua TY, Mazari SA, Koduru JR, Alfantazi A. New insights into MXene applications for sustainable environmental remediation. CHEMOSPHERE 2023; 313:137497. [PMID: 36493892 DOI: 10.1016/j.chemosphere.2022.137497] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 12/03/2022] [Accepted: 12/05/2022] [Indexed: 06/17/2023]
Abstract
Multiple ecological contaminants in gaseous, liquid, and solid forms are vented into ecosystems due to the huge growth of industrialization, which is today at the forefront of worldwide attention. High-efficiency removal of these environmental pollutants is a must because of the potential harm to public health and biodiversity. The alarming concern has led to the synthesis of improved nanomaterials for removing pollutants. A path to innovative methods for identifying and preventing several obnoxious, hazardous contaminants from entering the environment is grabbing attention. Various applications in diverse industries are seen as a potential directions for researchers. MXene is a new, excellent, and advanced material that has received greater importance related to the environmental application. Due to its unique physicochemical and mechanical properties, high specific surface area, physiological compatibility, strong electrodynamics, and raised specific surface area wettability, its applications are growing. This review paper examines the most recent methods and trends for environmental pollutant removal using advanced 2D Mxene materials. In addition, the history and the development of MXene synthesis were elaborated. Furthermore, an extreme summary of various environmental pollutants removal has been discussed, and the future challenges along with their future perspectives have been illustrated.
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Affiliation(s)
- Abdul Sattar Jatoi
- Department of Chemical Engineering, Dawood University of Engineering and Technology, Karachi, 74800, Pakistan.
| | - Nabisab Mujawar Mubarak
- Petroleum and Chemical Engineering, Faculty of Engineering, Universiti Teknologi Brunei, Bandar Seri Begawan, BE1410, Brunei Darussalam.
| | - Zubair Hashmi
- Department of Chemical Engineering, Dawood University of Engineering and Technology, Karachi, 74800, Pakistan
| | - Nadeem Hussain Solangi
- Department of Chemical Engineering, Dawood University of Engineering and Technology, Karachi, 74800, Pakistan
| | - Rama Rao Karri
- Petroleum and Chemical Engineering, Faculty of Engineering, Universiti Teknologi Brunei, Bandar Seri Begawan, BE1410, Brunei Darussalam.
| | - Tan Yie Hua
- Department of Chemical and Energy Engineering, Faculty of Engineering and Science, Curtin University Malaysia, CDT 250, 98009, Miri, Sarawak, Malaysia
| | - Shaukat Ali Mazari
- Department of Chemical Engineering, Dawood University of Engineering and Technology, Karachi, 74800, Pakistan
| | - Janardhan Reddy Koduru
- Department of Environmental Engineering, Kwangwoon University, Seoul, 01897, Republic of Korea
| | - Akram Alfantazi
- Department of Chemical Engineering, Khalifa University, Abu Dhabi, 127788, United Arab Emirates
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15
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Lv Y, Chen L, Zhang A, Sheng G, Liao Q. Two-dimensional titanium carbide decorated nanoscale iron sulfide: Synthesis, characterization, and behavior for uranium (VI) removal. J Mol Liq 2023. [DOI: 10.1016/j.molliq.2023.121405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
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16
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Jia L, Cheng P, Yu Y, Chen SH, Wang CX, He L, Nie HT, Wang JC, Zhang JC, Fan BG, Jin Y. Regeneration mechanism of a novel high-performance biochar mercury adsorbent directionally modified by multimetal multilayer loading. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 326:116790. [PMID: 36399809 DOI: 10.1016/j.jenvman.2022.116790] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 10/31/2022] [Accepted: 11/12/2022] [Indexed: 06/16/2023]
Abstract
Biochar that is directly obtained by pyrolysis exhibits a low adsorption efficiency; furthermore, the process of recycling adsorbents is ineffective. To solve these problems, conventional chemical coprecipitation, sol-gel, multimetal multilayer loading and biomass pyrolysis coking processes have been integrated. After selecting specific components for structural design, a novel high-performance biochar adsorbent was obtained. The effects of the O2 concentration and temperature on the regeneration characteristics were explored. An isothermal regeneration method to repair the deactivated adsorbent in a specific atmosphere was proposed, and the optimal regeneration mode and conditions were determined. The microscopic characteristics of the regenerated samples were revealed along with the mechanism of Hg0 removal and regeneration by using temperature-programmed desorption technology and adsorption kinetics. The results show that doping multiple metals can reduce the pyrolysis reaction barrier of the modified biomass. On the modified surface of the sample, the doped metals formed aggregated oxides, and the resulting synergistic effect enhanced the oxidative activity of the biochar carriers and the threshold effect of Ce oxide. The optimal regeneration conditions (5% O2 and 600 °C) effectively coordinated the competitive relationship between the deep carbonization process and the adsorption/oxidation site repair process; in addition, these conditions provided outstanding structure-effect connections between the physico-chemical properties and Hg0 removal efficiency of the regenerated samples. Hg0 adsorption by the regenerated samples is a multilayer mass transfer process that involves the coupling of physical and chemical effects, and the surface adsorption sites play a leading role.
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Affiliation(s)
- Li Jia
- College of Electrical and Power Engineering, Taiyuan University of Technology, Taiyuan, 030024, PR China
| | - Peng Cheng
- College of Electrical and Power Engineering, Taiyuan University of Technology, Taiyuan, 030024, PR China
| | - Yue Yu
- College of Economics and Management, Taiyuan University of Technology, Taiyuan, 030024, PR China
| | - Shi-Hu Chen
- College of Electrical and Power Engineering, Taiyuan University of Technology, Taiyuan, 030024, PR China
| | - Chen-Xing Wang
- College of Electrical and Power Engineering, Taiyuan University of Technology, Taiyuan, 030024, PR China
| | - Ling He
- College of Electrical and Power Engineering, Taiyuan University of Technology, Taiyuan, 030024, PR China
| | - Hao-Tian Nie
- College of Electrical and Power Engineering, Taiyuan University of Technology, Taiyuan, 030024, PR China
| | - Jian-Cheng Wang
- Key Laboratory of Coal Science and Technology of Ministry of Education and Shanxi Province, Taiyuan University of Technology, Taiyuan, 030024, PR China
| | | | - Bao-Guo Fan
- College of Electrical and Power Engineering, Taiyuan University of Technology, Taiyuan, 030024, PR China
| | - Yan Jin
- College of Electrical and Power Engineering, Taiyuan University of Technology, Taiyuan, 030024, PR China.
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17
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Raheem I, Mubarak NM, Karri RR, Solangi NH, Jatoi AS, Mazari SA, Khalid M, Tan YH, Koduru JR, Malafaia G. Rapid growth of MXene-based membranes for sustainable environmental pollution remediation. CHEMOSPHERE 2023; 311:137056. [PMID: 36332734 DOI: 10.1016/j.chemosphere.2022.137056] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 10/25/2022] [Accepted: 10/27/2022] [Indexed: 06/16/2023]
Abstract
Water consumption has grown in recent years due to rising urbanization and industry. As a result, global water stocks are steadily depleting. As a result, it is critical to seek strategies for removing harmful elements from wastewater once it has been cleaned. In recent years, many studies have been conducted to develop new materials and innovative pathways for water purification and environmental remediation. Due to low energy consumption, low operating cost, and integrated facilities, membrane separation has gained significant attention as a potential technique for water treatment. In these directions, MXene which is the advanced 2D material has been explored and many applications were reported. However, research on MXene-based membranes is still in its early stages and reported applications are scatter. This review provides a broad overview of MXenes and their perspectives, including their synthesis, surface chemistry, interlayer tuning, membrane construction, and uses for water purification. Application of MXene based membrane for extracting pollutants such as heavy metals, organic contaminants, and radionuclides from the aqueous water bodies were briefly discussed. Furthermore, the performance of MXene-based separation membranes is compared to that of other nano-based membranes, and outcomes are very promising. In order to shed more light on the advancement of MXene-based membranes and their operational separation applications, significant advances in the fabrication of MXene-based membranes is also encapsulated. Finally, future prospects of MXene-based materials for diverse applications were discussed.
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Affiliation(s)
- Ijlal Raheem
- Department of Chemical and Energy Engineering, Faculty of Engineering and Science, Curtin University Malaysia, CDT 250, 98009, Miri, Sarawak, Malaysia
| | - Nabisab Mujawar Mubarak
- Petroleum and Chemical Engineering, Faculty of Engineering, Universiti Teknologi Brunei, Bandar Seri Begawan, BE1410, Brunei, Darussalam.
| | - Rama Rao Karri
- Petroleum and Chemical Engineering, Faculty of Engineering, Universiti Teknologi Brunei, Bandar Seri Begawan, BE1410, Brunei, Darussalam.
| | - Nadeem Hussain Solangi
- Department of Chemical Engineering, Dawood University of Engineering and Technology, Karachi, 74800, Pakistan
| | - Abdul Sattar Jatoi
- Department of Chemical Engineering, Dawood University of Engineering and Technology, Karachi, 74800, Pakistan
| | - Shaukat Ali Mazari
- Department of Chemical Engineering, Dawood University of Engineering and Technology, Karachi, 74800, Pakistan
| | - Mohammad Khalid
- Graphene & Advanced 2D Materials Research Group (GAMRG), School of Engineering and Technology, Sunway University, No. 5, Jalan University, Bandar Sunway, 47500, Subang Jaya, Selangor, Malaysia
| | - Yie Hua Tan
- Department of Chemical and Energy Engineering, Faculty of Engineering and Science, Curtin University Malaysia, CDT 250, 98009, Miri, Sarawak, Malaysia
| | - Janardhan Reddy Koduru
- Department of Environmental Engineering, Kwangwoon University, Seoul, 01897, Republic of Korea
| | - Guilherme Malafaia
- Post-Graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute, Urutaí, GO, Brazil.Post-Graduation Program in Ecology, Conservation, and Biodiversity, Federal University of Uberlândia, Uberlândia, MG, Brazil. Post-Graduation Program in Biotechnology and Biodiversity, Federal University of Goiás, Goiânia, GO, Brazil
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18
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Zhang W, Huang W, Tan J, Huang D, Ma J, Wu B. Modeling, optimization and understanding of adsorption process for pollutant removal via machine learning: Recent progress and future perspectives. CHEMOSPHERE 2023; 311:137044. [PMID: 36330979 DOI: 10.1016/j.chemosphere.2022.137044] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 10/22/2022] [Accepted: 10/25/2022] [Indexed: 06/16/2023]
Abstract
It is crucial to reduce the concentration of pollutants in water environment to below safe levels. Some cost-effective pollutant removal technologies have been developed, among which adsorption technology is considered as a promising solution. However, the batch experiments and adsorption isotherms widely employed at present are inefficient and time-consuming to some extent, which limits the development of adsorption technology. As a new research paradigm, machine learning (ML) is expected to innovate traditional adsorption models. This reviews summarized the general workflow of ML and commonly employed ML algorithms for pollutant adsorption. Then, the latest progress of ML for pollutant adsorption was reviewed from the perspective of all-round regulation of adsorption process, including adsorption efficiency, operating conditions and adsorption mechanism. General guidelines of ML for pollutant adsorption were presented. Finally, the existing problems and future perspectives of ML for pollutant adsorption were put forward. We highly expect that this review will promote the application of ML in pollutant adsorption and improve the interpretability of ML.
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Affiliation(s)
- Wentao Zhang
- Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, People's Republic of China
| | - Wenguang Huang
- South China Institute of Environmental Sciences, Ministry of Ecology and Environment of PR China, Guangzhou, 510655, People's Republic of China.
| | - Jie Tan
- South China Institute of Environmental Sciences, Ministry of Ecology and Environment of PR China, Guangzhou, 510655, People's Republic of China
| | - Dawei Huang
- South China Institute of Environmental Sciences, Ministry of Ecology and Environment of PR China, Guangzhou, 510655, People's Republic of China
| | - Jun Ma
- South China Institute of Environmental Sciences, Ministry of Ecology and Environment of PR China, Guangzhou, 510655, People's Republic of China
| | - Bingdang Wu
- School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou, 215009, People's Republic of China; Key Laboratory of Suzhou Sponge City Technology, Suzhou, 215002, People's Republic of China.
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19
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Hu Y, Wang S, Zhang L, Yang F. Selective removal of Hg(II) by UiO-66-NH 2 modified by 4-quinolinecarboxaldehyde: from experiment to mechanism. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:2283-2297. [PMID: 35931848 DOI: 10.1007/s11356-022-22276-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 07/24/2022] [Indexed: 06/15/2023]
Abstract
In wastewater, heavy metal Hg causes serious harm to ecology, so it needs to be removed. In this paper, a novel MOF adsorbent (UiO-66-QU) was prepared by modifying UiO-66-NH2 with 4-quinolinecarboxaldehyde, which was used to selectively remove Hg(II) from water. The adsorbent was characterized using Fourier transform infrared spectroscopy (FT-IR), field emission scanning electron microscopy (SEM), Brunauer-Emmett-Teller (BET), zeta potentiometer, and X-ray photoelectron spectroscopy (XPS). In order to investigate the Hg(II) adsorption performance of UiO-66-QU, the effect of time, initial concentration, pH, and temperature were carried out. Langmuir model fitting shows that the maximum adsorption capacity of UiO-66-QU for Hg(II) is 556 mg/g at 298 K. The experimental results show that UiO-66-QU has better Hg(II) adsorption capacity than UiO-66-NH2. The isotherm is in accordance with pseudo-second-order models. It is indicated that the adsorption process is mainly monolayer chemical adsorption. The thermodynamic parameters also indicate that the adsorption process is spontaneous and endothermic. It has excellent reusability and selectivity. XPS and the zeta potential showed that the adsorption mechanism was the complex reaction of Hg(II) with nitrogenous group. Therefore, the adsorbent has potential application prospects in removal of Hg(II) from wastewater.
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Affiliation(s)
- Yuting Hu
- Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, 650093, Yunnan, China
- State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization, Kunming University of Science and Technology), Kunming, 650093, Yunnan, China
| | - Shixing Wang
- Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, 650093, Yunnan, China.
- State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization, Kunming University of Science and Technology), Kunming, 650093, Yunnan, China.
| | - Libo Zhang
- Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, 650093, Yunnan, China
- State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization, Kunming University of Science and Technology), Kunming, 650093, Yunnan, China
| | - Fan Yang
- Yunnan Institute of Product Quality Supervision & Inspection, Kunming, 650093, Yunnan, China
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20
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Xu J, Xing Y, Wang J, Yang Y, Ye C, Sun R. Effect of poly-γ-glutamic acid on the phytoremediation of ramie (Boehmeria nivea L.) in the Hg-contaminated soil. CHEMOSPHERE 2023; 312:137280. [PMID: 36403812 DOI: 10.1016/j.chemosphere.2022.137280] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 10/26/2022] [Accepted: 11/15/2022] [Indexed: 06/16/2023]
Abstract
Farmlands around the Hg mining areas have suffered from severe Hg contamination issues, triggering a phenomenon of high Hg content in crops, and subsequently threatening human health. In this study, ramie (Boehmeria nivea L.) assisted with poly-γ-glutamic acid (γ-PGA) was employed to remediate the Hg-contaminated soil through incubation experiments. After the soil was amended with γ-PGA, the leaf Hg content increased by 4.4-fold, and the translocation factor value even reached 3.5, indicating that γ-PGA could dramatically enhance the translocation of Hg from root and stem to leaf. γ-PGA could induce the transformation of potentially available Hg to available fractions, resulting in the soil Hg being more bioavailable. Batch trials verified that γ-PGA could mask the adsorption function of Hg ions by soil organic matter, significantly stimulating the desorption of Hg ions from the soil. As a result, the soil Hg would transfer to the aqueous phase and be assimilated by the root of ramie more easily and effectively. The γ-PGA chelated Hg is hydrophilic and has a high affinity with -SH and -S-; thereby, it can easily stride over the Casparian strip, enter the vessel, be translocated upwards, be sequestered in the tissues of leaf, and be incorporated irreversibly. This study can provide a new method for the remediation of Hg-contaminated soil.
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Affiliation(s)
- Jing Xu
- School of Chemistry and Material, Guizhou Normal University, Guiyang 550025, China
| | - Ying Xing
- School of Chemistry and Material, Guizhou Normal University, Guiyang 550025, China
| | - Jun Wang
- School of Chemistry and Material, Guizhou Normal University, Guiyang 550025, China
| | - Yang Yang
- School of Life Sciences, Guizhou Normal University, Guiyang 550025, PR China
| | - Cai Ye
- School of Chemistry and Material, Guizhou Normal University, Guiyang 550025, China
| | - Rongguo Sun
- School of Chemistry and Material, Guizhou Normal University, Guiyang 550025, China.
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21
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Abdel-Azim SM, Younus MM, Dhmees AS, Pannipara M, Wageh S, Galhoum AA. Facile Synthesis of ZnS/1T-2H MoS 2nanocomposite for Boosted adsorption/photocatalytic degradation of methylene blue under visiblelight. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:86825-86839. [PMID: 35796927 DOI: 10.1007/s11356-022-21255-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Accepted: 05/30/2022] [Indexed: 06/15/2023]
Abstract
Facile solvothermal techniques were used to manufacture ZnS/1T-2H MoS2 nanocomposite (ZMS) with outstanding adsorption-photocatalytic activity. The formed catalyst was characterized by different tools; XRD, HR-TEM, EDX, FTIR, Raman, N2adsorprion/desorption, Zeta potential, PL,and XPS. The analysis provided the formation on mixed phase of metallic 1Tand 2H phases. ZMS has a high porosity and large specific surface area, and it has a high synergistic adsorption-photocatalytic degradation effect for MB, with a removal efficiency of ≈100% in 45 minutes under visible light irradiation. The extraordinary MB removal efficiency of ZMS was attributed not only to the high specific surface area (49.15 m2/g) and precious reactive sites generated by ZMS, but also to the formation of 1T and 2H phases if compared to pristine MoS2 (MS). The best adsorption affinity was induced by the existance of 1T phase. The remarkably enhanced photocatalytic activity of ZMS nanocomposite can be ascribed to the 2D heterostructure which enhances the adsorption for pollutants, provides abundant reaction active sites, extends the photoresponse to visible light region.
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Affiliation(s)
| | - Mohammed M Younus
- Egyptian Petroleum Research Institute, Nasr City, Cairo 11727, Egypt
| | | | - Mehboobali Pannipara
- Research Center for Advanced Materials Science (RCAMS), King Khalid University, P.O. Box 9004, Abha, 61413, Saudi Arabia
- Department of Chemistry, College of Science, King Khalid University, P.O. Box 9004, Abha, 61413, Saudi Arabia
| | - S Wageh
- Department of Physics, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
- Physics and Engineering Mathematics Department, Faculty of Electronic Engineering, Menoufia University, Menouf, 32952, Egypt
| | - Ahmed A Galhoum
- Nuclear Materials Authority, P.O. Box 530, El-Maadi, Cairo, Egypt.
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22
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Jiang C, Yang C, Fu Y, Chen F, Hu J. High-efficiency Hg(II) adsorbent: FeS loaded on a carbon black from pyrolysis of waste tires and sequential reutilization as a photocatalyst. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:84287-84299. [PMID: 35780271 DOI: 10.1007/s11356-022-21572-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 06/15/2022] [Indexed: 06/15/2023]
Abstract
Iron-sulfur nano compounds have been proven to be effective in mercury removal, but the agglomeration, poor dispersion and mobility, and easy oxidation challenges limit their application. Herein, carbon black originating from pyrolysis of waste tires was used as a carrier of nano-FeS to obtain an efficient adsorbent (C@PDA-FeS). It is found that the C@PDA-FeS shows outstanding adsorption ability, excellent selectivity, and high removal rate. A maximum adsorption capacity of 1754 mg/g is obtained, and the residual Hg(II) ion concentration is as low as 3.2 μg/L in the simulated industrial wastewater, which meets the industrial discharge standard under the optimal conditions. Meanwhile, the removal rate of Hg(II) ion can reach 99.8% after up to 10 cycles. More importantly, the C@PDA-FeS still shows good adsorption efficiency, and the removal rate of Hg(II) ion is over 99% (25 mg/L Hg(II) concentration) after 90 days of storage, demonstrating the long-term stability and promising future of the adsorbent. In addition, the waste adsorbent (C@PDA-FeS/HgS) is reused as a photocatalyst to degrade methylene blue, and the corresponding degradation rate is 92.9% (10 mg/L).
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Affiliation(s)
- Chuanzhi Jiang
- Center for Molecular Science and Engineering, College of Science, Northeastern University, Shenyang, 110819, People's Republic of China
| | - Chengyue Yang
- Center for Molecular Science and Engineering, College of Science, Northeastern University, Shenyang, 110819, People's Republic of China
| | - Yong Fu
- Center for Molecular Science and Engineering, College of Science, Northeastern University, Shenyang, 110819, People's Republic of China
| | - Feng Chen
- Fujian Province University Key Laboratory of Green Energy and Environment Catalysis, Ningde Normal University, Ningde, Fujian, 352100, People's Republic of China
| | - Jianshe Hu
- Center for Molecular Science and Engineering, College of Science, Northeastern University, Shenyang, 110819, People's Republic of China.
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23
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Fouda SR, El-Sayed IE, Attia NF, Abdeen MM, Abdel Aleem AAH, Nassar IF, Mira HI, Gawad EA, Kalam A, Al-Ghamdi AA, Galhoum AA. Mechanistic study of Hg(II) interaction with three different α-aminophosphonate adsorbents: Insights from batch experiments and theoretical calculations. CHEMOSPHERE 2022; 304:135253. [PMID: 35697101 DOI: 10.1016/j.chemosphere.2022.135253] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 05/31/2022] [Accepted: 06/03/2022] [Indexed: 06/15/2023]
Abstract
Herein, efficient and potential chelating α-aminophosphonate based sorbents (AP-) derived from three different amine origins (aniline/anthranilic acid/O-phenylenediamine) to form AP-H, carboxylated and aminated enhanced aminophosphonate as AP-H, AP-COOH, and AP-NH2 were synthesized via a facile method. The structure of the synthesized sorbents was elucidated using different techniques; elemental analysis (CHNP/O), FT-IR, NMR (1H-, 13C and 31P NMR), TGA and BET. The fabricated sorbents were exploited for Hg(II) removal from aqueous solution via sorption properties. Isotherm fitted by Langmuir equation: the maximum sorption capacities at optimum pH 5.5, and T:25 ± 1 °C, were found to be 1.33, 1.23, and 1.15 mmol Hg g-1 for AP-COOH, AP-NH2, AP-H, respectively, which is roughly correlated with the active sites density and the hard/soft characteristics of adsorbents' reactive groups. Metal-ligand binding affinities are qualitatively rationalized in terms of hard and soft acids and bases (HSAB) theory. The interaction of Hg(II) (soft) has a stronger affinity to AP-COOH can be considered a softer base compared with reference material (AP-H) over than AP-NH2 (hard). This sequence result showed opposite trends consistent with their reciprocal properties according to the steric effect modulates and the specific surface area. Thermodynamics analysis for absolute values of ΔH°, ΔS° and ΔG° afford the selectivity towards Hg(II) sorption with the following order: AP-COOH > AP-NH2 >AP-H. Elution and regeneration was carried out by HCl solution and recycled for a minimum of five cycles, the sorption and desorption efficiencies are greater than 91%. Such sorbents exhibit good durability, stability and promising potential for Hg(II) removal. Finally, a new modelling technique for quantitative non-linear description and comparison of equivalent geographical positions in 3D space of extended relationships. Exothermic and spontaneous behavior were observed using a proposed Floatotherm that included the Van't Hoff parameters model.
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Affiliation(s)
- Safaa R Fouda
- Chemical Engineering Department, Higher Institute of Engineering and Technology, El-Bagor City, Menofia, Egypt
| | - Ibrahim E El-Sayed
- Chemistry Department, Faculty of Science, Menoufia University, Shebin El-Kom, Egypt.
| | - Nour F Attia
- Gas Analysis and Fire Safety Laboratory, Chemistry Division, National Institute of Standards, 136, Giza, 12211, Egypt.
| | - Marwa M Abdeen
- Chemical Engineering Department, Higher Institute of Engineering and Technology, El-Bagor City, Menofia, Egypt
| | | | - Ibrahim F Nassar
- Faculty of Specific Education, Ain Shams University, Abassia, Cairo, Egypt
| | - Hamed I Mira
- Nuclear Materials Authority, P.O. Box 530, El-Maadi, Cairo, Egypt
| | - Ebrahim A Gawad
- Nuclear Materials Authority, P.O. Box 530, El-Maadi, Cairo, Egypt
| | - Abul Kalam
- Research Center for Advanced Materials Science (RCAMS), King Khalid University, P.O. Box 9004, Abha, 61413, Saudi Arabia; Department of Chemistry, College of Science, King Khalid University, P.O. Box 9004, Abha, 61413, Saudi Arabia
| | - Ahmed A Al-Ghamdi
- Department of Physics, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
| | - Ahmed A Galhoum
- Nuclear Materials Authority, P.O. Box 530, El-Maadi, Cairo, Egypt.
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Isfahani AP, Shamsabadi AA, Alimohammadi F, Soroush M. Efficient mercury removal from aqueous solutions using carboxylated Ti 3C 2T x MXene. JOURNAL OF HAZARDOUS MATERIALS 2022; 434:128780. [PMID: 35460992 DOI: 10.1016/j.jhazmat.2022.128780] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 03/16/2022] [Accepted: 03/22/2022] [Indexed: 06/14/2023]
Abstract
Water supplies contaminated with heavy metals are a worldwide concern. MXenes have properties that make them attractive for the removal of metal ions from water. This work presents a simple one-step method of Ti3C2Tx carboxylation that involves the use of a chelating agent with a linear structure, providing strong carboxylic acid groups with high mobility. The carboxylation decreases the zeta-potential of Ti3C2Tx by ~16 to ~18 mV over a pH range of 2.0-8.5 and improves Ti3C2Tx stability in the presence of molecular oxygen. pH in the range of 2-6 has a negligible effect on the adsorption capacity of Ti3C2Tx and COOH-Ti3C2Tx. Compared to Ti3C2Tx, COOH-Ti3C2Tx has a slightly higher and much faster mercury uptake, and the concentration of mercury ions leached out from COOH-Ti3C2Tx is lower. For both Ti3C2Tx and COOH-Ti3C2Tx, the leached mercury ion concentration is far below the U.S.-EPA maximum level. At an initial Hg2+ concentration of 50 ppm and pH of 6, COOH-Ti3C2Tx has the equilibrium adsorption capacity of 499.7 mg/g and removes 95% of Hg2+ in less than 1 min. Moreover, it has an equilibrium time of 5 min, which is significantly shorter than that of Ti3C2Tx (~ 60 min). Finally, its mercury-ion uptake capacity is higher than commercially available adsorbents reported in the literature. Its mercury removal is mainly via chemisorption and monolayer adsorption.
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Affiliation(s)
- Ali Pournaghshband Isfahani
- Department of Chemical and Biological Engineering, Drexel University, Philadelphia, Pennsylvania 19104, United States
| | - Ahmad A Shamsabadi
- Department of Chemical and Biological Engineering, Drexel University, Philadelphia, Pennsylvania 19104, United States
| | - Farbod Alimohammadi
- Department of Chemistry, Temple University, Philadelphia, Pennsylvania 19122, United States
| | - Masoud Soroush
- Department of Chemical and Biological Engineering, Drexel University, Philadelphia, Pennsylvania 19104, United States.
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Mesoporous Magnetic Cysteine Functionalized Chitosan Nanocomposite for Selective Uranyl Ions Sorption: Experimental, Structural Characterization, and Mechanistic Studies. Polymers (Basel) 2022; 14:polym14132568. [PMID: 35808614 PMCID: PMC9268972 DOI: 10.3390/polym14132568] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Revised: 06/19/2022] [Accepted: 06/20/2022] [Indexed: 02/06/2023] Open
Abstract
Nuclear power facilities are being expanded to satisfy expanding worldwide energy demand. Thus, uranium recovery from secondary resources has become a hot topic in terms of environmental protection and nuclear fuel conservation. Herein, a mesoporous biosorbent of a hybrid magnetic–chitosan nanocomposite functionalized with cysteine (Cys) was synthesized via subsequent heterogeneous nucleation for selectively enhanced uranyl ion (UO22+) sorption. Various analytical tools were used to confirm the mesoporous nanocomposite structural characteristics and confirm the synthetic route. The characteristics of the synthesized nanocomposite were as follows: superparamagnetic with saturation magnetization (MS: 25.81 emu/g), a specific surface area (SBET: 42.56 m2/g) with a unipore mesoporous structure, an amine content of ~2.43 mmol N/g, and a density of ~17.19/nm2. The experimental results showed that the sorption was highly efficient: for the isotherm fitted by the Langmuir equation, the maximum capacity was about 0.575 mmol U/g at pH range 3.5–5.0, and Temperature (25 ± 1 °C); further, there was excellent selectivity for UO22+, likely due to the chemical valent difference. The sorption process was fast (~50 min), simulated with the pseudo-second-order equation, and the sorption half-time (t1/2) was 3.86 min. The sophisticated spectroscopic studies (FTIR and XPS) revealed that the sorption mechanism was linked to complexation and ion exchange by interaction with S/N/O multiple functional groups. The sorption was exothermic, spontaneous, and governed by entropy change. Desorption and regeneration were carried out using an acidified urea solution (0.25 M) that was recycled for a minimum of six cycles, resulting in a sorption and desorption efficiency of over 91%. The as-synthesized nanocomposite’s high stability, durability, and chemical resistivity were confirmed over multiple cycles using FTIR and leachability. Finally, the sorbent was efficiently tested for selective uranium sorption from multicomponent acidic simulated nuclear solution. Owing to such excellent performance, the Cys nanocomposite is greatly promising in the uranium recovery field.
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Othman Z, Mackey HR, Mahmoud KA. A critical overview of MXenes adsorption behavior toward heavy metals. CHEMOSPHERE 2022; 295:133849. [PMID: 35124080 DOI: 10.1016/j.chemosphere.2022.133849] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 12/12/2021] [Accepted: 01/31/2022] [Indexed: 06/14/2023]
Abstract
In recent years, tremendous interest has been generated in MXenes as a fast-growing and diversified family of two-dimensional (2D) materials with a wide range of potential uses. MXenes exhibit many unique structural and physicochemical properties that make them particularly attractive as adsorbents for removing heavy metals from aqueous media, including a large surface area, abundant surface terminations, electron-richness, and hydrophilic nature. In light of the adsorption capabilities of MXenes at the ever-increasing rate of expansion, this review investigates the recent computational predictions for the adsorption capabilities of MXenes and the effect of synthesis of different MXene on their remediation behavior toward heavy metals. The influence of MXene engineering strategies such as alkalization, acidification, and incorporation into organic and inorganic hosts on their surface properties and adsorption capacity is compared to provide critical insights for designing effective MXene adsorbents. Additionally, the review discusses MXenes' adsorption mechanisms, the effect of coexisting ions on MXenes' selectivity, the regeneration of exhausted MXenes, and provides an overview of MXenes' stability and biocompatibility to demonstrate their potentiality for wastewater remediation. Finally, the review identifies current flaws and offers recommendations for further research.
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Affiliation(s)
- Zakarya Othman
- Qatar Environment and Energy Research Institute (QEERI), Hamad Bin Khalifa University, Qatar Foundation, P.O. Box 34110, Doha, Qatar; Division of Sustainable Development, College of Science and Engineering, Hamad Bin Khalifa University, Qatar Foundation, Doha, Qatar
| | - Hamish R Mackey
- Division of Sustainable Development, College of Science and Engineering, Hamad Bin Khalifa University, Qatar Foundation, Doha, Qatar
| | - Khaled A Mahmoud
- Qatar Environment and Energy Research Institute (QEERI), Hamad Bin Khalifa University, Qatar Foundation, P.O. Box 34110, Doha, Qatar.
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27
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Wang Q, Zhu S, Xi C, Jiang B, Zhang F. Adsorption and Removal of Mercury(II) by a Crosslinked Hyperbranched Polymer Modified via Sulfhydryl. ACS OMEGA 2022; 7:12231-12241. [PMID: 35449935 PMCID: PMC9016889 DOI: 10.1021/acsomega.2c00622] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Accepted: 03/24/2022] [Indexed: 05/26/2023]
Abstract
In this study, the highly crosslinked hyperbranched polyamide-amines (H-PAMAMs) were first prepared via one-pot methods and then modified with thiourea to synthesize a novel adsorbent containing sulfhydryl groups (CHAP-SH), which was used to adsorb Hg(II) ions from aqueous solutions. The adsorption characteristics and mechanism of CHAP-SH for Hg(II) ions were systematically studied. As expected, CHAP-SH exhibited a rapid removal performance toward Hg(II), and the maximum adsorption capacity was 282.74 mg/g at 318 K and pH = 4.5. The whole adsorption behavior could be well described by the pseudo-second-order kinetic model and Langmuir and Redlich-Peterson adsorption isotherm models, which reflected that the adsorption process was mainly monolayer chemisorption. Meanwhile, CHAP-SH had strong selectivity for Hg(II) in the presence of multimetal ions, and it had excellent recoverability after five cycles. In order to further elucidate the adsorption mechanism, the adsorbents before and after adsorption were characterized by Fourier transform infrared spectroscopy, scanning electron microscopy, X-ray photoelectron spectroscopy, thermogravimetric analysis, and energy-dispersive X-ray spectroscopy, and the results showed that the nitrogen-containing, oxygen-containing, and sulfur-containing groups in the adsorbent molecule had synergistic complexation with Hg(II). These results indicated that the adsorbents had great potential in the future treatment of aqueous solutions containing Hg(II).
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28
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Long Y, Tao Y, Shang T, Yang H, Sun Z, Chen W, Yang Q. Roles of Metal Ions in MXene Synthesis, Processing and Applications: A Perspective. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2200296. [PMID: 35218319 PMCID: PMC9036030 DOI: 10.1002/advs.202200296] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Revised: 02/03/2022] [Indexed: 05/29/2023]
Abstract
With a decade of effort, significant progress has been achieved in the synthesis, processing, and applications of MXenes. Metal ions play many crucial roles, such as in MXene delamination, structure regulation, surface modification, MXene composite construction, and even some unique applications. The different roles of metal ions are attributed to their many interactions with MXenes and the unique nature of MXenes, including their layered structure, surface chemistry, and the existence of multi-valent transition metals. Interactions with metal ions are crucial for the energy storage of MXene electrodes, especially in metal ion batteries and supercapacitors with neutral electrolytes. This review aims to provide a good understanding of the interactions between metal ions and MXenes, including the classification and fundamental chemistry of their interactions, in order to achieve their more effective utilization and rational design. It also provides new perspectives on MXene evolution and exfoliation, which may suggest optimized synthesis strategies. In this respect, the different effects of metal ions on MXene synthesis and processing are clarified, and the corresponding mechanisms are elaborated. Research progress on the roles metal ions have in MXene applications is also introduced.
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Affiliation(s)
- Yu Long
- Joint School of National University of Singapore and Tianjin UniversityInternational Campus of Tianjin UniversityBinhai New CityFuzhou350207China
- Department of ChemistryNational University of Singapore3 Science Drive 3Singapore117543Singapore
| | - Ying Tao
- Nanoyang GroupState Key Laboratory of Chemical EngineeringSchool of Chemical Engineering and TechnologyTianjin UniversityTianjin300072China
| | - Tongxin Shang
- Key Laboratory of Resource Chemistry of Ministry of EducationShanghai Key Laboratory of Rare Earth Functional MaterialsDepartment of ChemistryShanghai Normal UniversityShanghai200234China
| | - Haotian Yang
- Joint School of National University of Singapore and Tianjin UniversityInternational Campus of Tianjin UniversityBinhai New CityFuzhou350207China
- Department of ChemistryNational University of Singapore3 Science Drive 3Singapore117543Singapore
| | - Zejun Sun
- Department of ChemistryNational University of Singapore3 Science Drive 3Singapore117543Singapore
| | - Wei Chen
- Joint School of National University of Singapore and Tianjin UniversityInternational Campus of Tianjin UniversityBinhai New CityFuzhou350207China
- Department of ChemistryNational University of Singapore3 Science Drive 3Singapore117543Singapore
- Department of PhysicsNational University of Singapore2 Science Drive 3Singapore117542Singapore
| | - Quan‐Hong Yang
- Joint School of National University of Singapore and Tianjin UniversityInternational Campus of Tianjin UniversityBinhai New CityFuzhou350207China
- Nanoyang GroupState Key Laboratory of Chemical EngineeringSchool of Chemical Engineering and TechnologyTianjin UniversityTianjin300072China
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Sheth Y, Dharaskar S, Chaudhary V, Khalid M, Walvekar R. Prospects of titanium carbide-based MXene in heavy metal ion and radionuclide adsorption for wastewater remediation: A review. CHEMOSPHERE 2022; 293:133563. [PMID: 35007610 DOI: 10.1016/j.chemosphere.2022.133563] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 01/03/2022] [Accepted: 01/06/2022] [Indexed: 05/09/2023]
Abstract
Contamination of water sources with various organic and inorganic non-biodegradable pollutants is becoming a growing concern due to industrialization, urbanization, and the inefficiency of traditional wastewater treatment processes. Transition Metal Carbides/Nitrides (MXenes) are emerging as advanced nanomaterials of choice for treating contaminated water owing to their excellent conductivity, mechanical flexibility, high specific surface area, scalable production, rich surface functionalities, and layered morphology. MXenes have demonstrated enhanced ability to adsorb various organic and inorganic contaminants depending upon their surface terminal groups (-OH, -F, and -O) and interlayer spacing. Titanium carbide (Ti3C2Tx) is most researched to date due to its ease of processing and stability. Ti3C2Tx has shown excellent performance in absorbing heavy metal ions and radioactive heavy metals. This review summarizes state-of-the-art Ti3C2Tx synthesis, including selective etching techniques, optimization of the desired adsorption features (controlling surface functional groups, intercalation, sonication, and functionalization), and regeneration and adsorption mechanism to remove contaminants. Furthermore, the review also compares the adsorption performance of Ti3C2Tx with other commercial adsorbents (including chitosan, cellulose, biomass, and zeolites). Ti3C2Tx has been found to have an adsorption efficiency of more than 90% in most studies due to its layered structure, which makes the functional groups easily accessible, unique and novel compared to other conventional nanomaterials and adsorbents. The challenges, potential solutions, and prospects associated with the commercial development of Ti3C2Tx as adsorbents are also discussed. The review establishes a framework for future wastewater treatment research using MXenes to address the global problem of water scarcity.
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Affiliation(s)
- Yashvi Sheth
- Nano-Research Group, Department of Chemical Engineering, School of Technology, Pandit Deendayal Energy University, Raisan, Gandhinagar Gujarat, India, 382426
| | - Swapnil Dharaskar
- Nano-Research Group, Department of Chemical Engineering, School of Technology, Pandit Deendayal Energy University, Raisan, Gandhinagar Gujarat, India, 382426.
| | - Vishal Chaudhary
- Research Cell and Department of Physics, Bhagini Nivedita College, University of Delhi, Delhi, India
| | - Mohammad Khalid
- Graphene & Advanced 2D Materials Research Group (GAMRG), School of Engineering and Technology, Sunway University, No. 5, Jalan Universiti, Bandar Sunway, 47500, Petaling Jaya, Selangor, Malaysia; Fuel Cell Institute, Universiti Kebangsaan Malaysia, 43600, UKM Bangi, Selangor, Malaysia.
| | - Rashmi Walvekar
- Department of Chemical Engineering, School of New Energy and Chemical Engineering Xiamen University Malaysia, Jalan Sunsuria, Bandar Sunsuria, Sepang, 43900, Selangor, Malaysia
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Yu S, Tang H, Zhang D, Wang S, Qiu M, Song G, Fu D, Hu B, Wang X. MXenes as emerging nanomaterials in water purification and environmental remediation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 811:152280. [PMID: 34896484 DOI: 10.1016/j.scitotenv.2021.152280] [Citation(s) in RCA: 126] [Impact Index Per Article: 63.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 11/29/2021] [Accepted: 12/05/2021] [Indexed: 05/21/2023]
Abstract
Environmental pollution has accelerated and intensified because of the acceleration of industrialization, therefore fabricating excellent materials to remove hazardous pollutants has become inevitable. MXenes as emerging transition metal nitrides, carbides or carbonitrides with high conductivity, hydrophilicity, excellent structural stability, and versatile surface chemistry, become ideal candidates for water purification and environmental remediation. Particularly, MXenes reveal excellent sorption capability and efficient reduction performance for various contaminants of wastewater. In this regard, a comprehensive understanding of the removal behaviors of MXene-based nanomaterials is necessary to explain how they remove various pollutants in water. The eliminate process of MXene-based nanomaterials is collectively influenced by the physicochemical properties of the materials themselves and the chemical properties of different contaminants. Therefore, in this review paper, the synthesis strategies and properties of MXene-based nanomaterials are briefly introduced. Then, the chemical properties, removal behaviors and interaction mechanisms of heavy metal ions, radionuclides, and organic pollutants by MXene-based nanomaterials are highlighted. The overview also emphasizes associated toxicity, secondary contamination, the challenges, and prospects of the MXene-based nanomaterials in the applications of water treatment. This review can supply valuable ideas for fabricating versatile MXene nanomaterials in eliminating water pollution.
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Affiliation(s)
- Shujun Yu
- School of Life Science, Shaoxing University, Shaoxing 312000, PR China; MOE Key Laboratory of Resources and Environmental Systems Optimization, College of Environmental Science and Engineering, North China Electric Power University, Beijing 102206, PR China
| | - Hao Tang
- MOE Key Laboratory of Resources and Environmental Systems Optimization, College of Environmental Science and Engineering, North China Electric Power University, Beijing 102206, PR China
| | - Di Zhang
- MOE Key Laboratory of Resources and Environmental Systems Optimization, College of Environmental Science and Engineering, North China Electric Power University, Beijing 102206, PR China
| | - Shuqin Wang
- School of Life Science, Shaoxing University, Shaoxing 312000, PR China
| | - Muqing Qiu
- School of Life Science, Shaoxing University, Shaoxing 312000, PR China
| | - Gang Song
- Guangdong Provincial Key Laboratory of Radionuclides Pollution Control and Resources, School of Environmental Science and Engineering, Guangzhou University, Guangzhou 510006, PR China
| | - Dong Fu
- Hebei Key Lab of Power Plant Flue Gas Multi-Pollutants Control, Department of Environmental Science and Engineering, North China Electric Power University, Baoding 071003, PR China
| | - Baowei Hu
- School of Life Science, Shaoxing University, Shaoxing 312000, PR China
| | - Xiangke Wang
- School of Life Science, Shaoxing University, Shaoxing 312000, PR China; MOE Key Laboratory of Resources and Environmental Systems Optimization, College of Environmental Science and Engineering, North China Electric Power University, Beijing 102206, PR China.
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31
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Rasheed T, Kausar F, Rizwan K, Adeel M, Sher F, Alwadai N, Alshammari FH. Two dimensional MXenes as emerging paradigm for adsorptive removal of toxic metallic pollutants from wastewater. CHEMOSPHERE 2022; 287:132319. [PMID: 34826950 DOI: 10.1016/j.chemosphere.2021.132319] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 09/04/2021] [Accepted: 09/19/2021] [Indexed: 06/13/2023]
Abstract
Effective methods for removing harmful metals from wastewater have had a huge impact on reducing freshwater scarcity. Because of its excellent removal effectiveness, simplicity and low cost at ambient conditions, adsorption is one of the most promising purifying approaches. MXene-based nanoarchitectures have proven to be effective adsorbents in a variety of harmful metal removal applications. This owes from the distinctive features such as, hydrophilicity, high surface area, electron-richness, great adsorption capacity, and activated metallic hydroxide sites of MXenes. Given the rapid advancement in the design and synthesis of MXene nanoarchitectures for water treatment, prompt updates on this research area are needed that focus on removal of toxic metal, such as production routes and characterization techniques for the advantages, merits and limitations of MXenes for toxic metal adsorption. This is in addition to the fundamentals and the adsorption mechanism tailored by the shape and composition of MXene based on some representative paradigms. Finally, the limits of MXenes are highlighted, as well as their potential future research directions for wastewater treatment. This manuscript may initiate researchers to improve unique MXene-based nanostructures with distinct compositions, shapes, and physiochemical merits for effective removal of toxic metals from wastewater.
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Affiliation(s)
- Tahir Rasheed
- Interdisciplinary Research Center for Advanced Materials, King Fahd University of Petroleum and Minerals (KFUPM), Dhahran, 31261, Saudi Arabia.
| | - Fahmeeda Kausar
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Komal Rizwan
- Department of Chemistry University of Sahiwal, Sahiwal, 57000, Pakistan
| | - Muhammad Adeel
- Faculty of Applied Engineering, IPRACS, University of Antwerp, 2020, Antwerp, Belgium
| | - Farooq Sher
- Department of Engineering, School of Science and Technology, Nottingham Trent University, Nottingham, NG11 8NS, United Kingdom
| | - Norah Alwadai
- Department of Physics, College of Sciences, Princess Nourah bint Abdulrahman University (PNU), Riyadh 11671, Saudi Arabia
| | - Fwzah H Alshammari
- Department of Physics, University Colleges at Nairiyah, University of Hafr Al Batin (UHB), Nairiyah 31981, Saudi Arabia
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32
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Venkateswarlu S, Yoon M, Kim MJ. An environmentally benign synthesis of Fe 3O 4 nanoparticles to Fe 3O 4 nanoclusters: Rapid separation and removal of Hg(II) from an aqueous medium. CHEMOSPHERE 2022; 286:131673. [PMID: 34358889 DOI: 10.1016/j.chemosphere.2021.131673] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 07/15/2021] [Accepted: 07/23/2021] [Indexed: 06/13/2023]
Abstract
In the field of nanotechnology, nanoadsorbents have emerged as a powerful tool for the purification of contaminated aqueous environments. Among the variety of nanoadsorbents developed so far, magnetite (Fe3O4) nanoparticles have drawn particular interest because of their quick separation, low cost, flexibility, reproducibility, and environmentally benign nature. Herein, we describe a new strategy for the synthesis of Fe3O4 nanoclusters, which is based on the use of naturally available edible mushrooms (Pleurotus eryngii) and environmentally benign propylene glycol as a solvent medium. By tuning the temperature, we successfully convert Fe3O4 nanoparticles into Fe3O4 nanoclusters via hydrothermal treatment, as evidenced by transmission electron microscopy. The Fe3O4 nanoclusters are functionalized with an organic molecule linker (dihydrolipoic acid, DHLA) to remove hazardous Hg(II) ions selectively. Batch adsorption experiments demonstrate that Hg(II) ions are strongly adsorbed on the material surface, and X-ray photoelectron and Fourier transform infrared spectroscopy techniques reveal the Hg(II) removal mechanism. The DHLA@Fe3O4 nanoclusters show a high removal efficiency of 99.2 % with a maximum Hg(II) removal capacity of 140.84 mg g-1. A kinetic study shows that the adsorption equilibrium is rapidly reached within 60 min and follows a pseudo second-order kinetic model. The adsorption and separation system can be readily recycled using an external magnet when the separation occurs within 10 s. We have studied the effect of various factors on the adsorption process, including pH, concentration, dosage, and temperature. The newly synthesized superparamagnetic DHLA@Fe3O4 nanoclusters open a new path for further development of the medical, catalysis, and environmental fields.
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Affiliation(s)
- Sada Venkateswarlu
- Department of Chemistry, Gachon University, Seongnam, 1320, Republic of Korea
| | - Minyoung Yoon
- Department of Chemistry, Kyungpook National University, Daegu, 41566, Republic of Korea.
| | - Myung Jong Kim
- Department of Chemistry, Gachon University, Seongnam, 1320, Republic of Korea.
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Geng X, Qu R, Kong X, Geng S, Zhang Y, Sun C, Ji C. Facile Synthesis of Cross-linked Hyperbranched Polyamidoamines Dendrimers for Efficient Hg(Ⅱ) Removal From Water. Front Chem 2021; 9:743429. [PMID: 34595155 PMCID: PMC8476761 DOI: 10.3389/fchem.2021.743429] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Accepted: 08/30/2021] [Indexed: 01/06/2023] Open
Abstract
Dendrimers as commonly used metal ions adsorption materials have the advantages of good adsorption performance and high reuse rate, but the high cost limits its extensive use. Compared with dendrimers, hyperbranched dendrimers have similar physical and chemical properties and are more economical. Therefore, hyperbranched dendrimers are more suitable for industrial large-scale adsorption. The hyperbranched polyamidoamine (HPAMAM) gels were prepared by cross-linking hyperbranched polyamidoamine (HPAMAM-ECH-x and HPAMAM-EGDE-x) with different amounts of epichlorohydrin (ECH) and ethylene glycol diglycidyl ether (EGDE), respectively. The as-synthesized adsorbents were characterized by FT-IR, SEM and XPS. The prepared adsorbents were used to adsorb Hg(Ⅱ) in aqueous solution, and the effects of solution pH, contact time, temperature and initial concentration of metal ion on the adsorption capacity were investigated. The effect of solution pH indicated that the optimum condition to Hg(Ⅱ) removing was at pH 5.0. The adsorption kinetic curves of the two kinds of materials were in accordance with the pseudo-second-order model. For the HPAMAM-ECH samples, the adsorption thermodynamic curves fitted the Langmuir model, while for the HPAMAM-EGDE samples, both Langmuir and Freundlich equations fitted well. The maximum adsorption capacity of HPAMAM-ECH-3 obtained from Langmuir model toward Hg(Ⅱ) was 3.36 mmol/g at pH 5.0 and 35°C.
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Affiliation(s)
- Xue Geng
- School of Chemistry and Materials Science, Ludong University, Yantai, China.,Yantai Research Institute for the Transformation of Old and New Kinetic Forces, Yantai, China
| | - Rongjun Qu
- School of Chemistry and Materials Science, Ludong University, Yantai, China.,Yantai Research Institute for the Transformation of Old and New Kinetic Forces, Yantai, China
| | - Xiangyu Kong
- School of Chemistry and Materials Science, Ludong University, Yantai, China.,Yantai Research Institute for the Transformation of Old and New Kinetic Forces, Yantai, China
| | - Shengnan Geng
- School of Chemistry and Materials Science, Ludong University, Yantai, China.,Yantai Research Institute for the Transformation of Old and New Kinetic Forces, Yantai, China
| | - Ying Zhang
- School of Chemistry and Materials Science, Ludong University, Yantai, China.,Yantai Research Institute for the Transformation of Old and New Kinetic Forces, Yantai, China
| | - Changmei Sun
- School of Chemistry and Materials Science, Ludong University, Yantai, China.,Yantai Research Institute for the Transformation of Old and New Kinetic Forces, Yantai, China
| | - Chunnuan Ji
- School of Chemistry and Materials Science, Ludong University, Yantai, China.,Yantai Research Institute for the Transformation of Old and New Kinetic Forces, Yantai, China
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