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Sharma G, García-Peñas A, Verma Y, Kumar A, Dhiman P, Stadler FJ. Tailoring Homogeneous Hydrogel Nanospheres by Facile Ultra-Sonication Assisted Cross-Linked Copolymerization for Rhodamine B Dye Adsorption. Gels 2023; 9:770. [PMID: 37888345 PMCID: PMC10606825 DOI: 10.3390/gels9100770] [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: 08/08/2023] [Revised: 09/02/2023] [Accepted: 09/11/2023] [Indexed: 10/28/2023] Open
Abstract
The present paper describes the design of shape-oriented hydrogel nanospheres using a facile ultrasonication-supported crosslinked copolymerization technique. The effect of variable monomer concentration on the homogeneity of hydrogel nanospheres was investigated. The chitosan-cl-poly(MMA) hydrogel nanospheres were well characterized using various techniques such as FTIR, XRD, TGA, SEM, and TEM. The chitosan-cl-poly(MMA) hydrogel nanospheres were studied for their swelling behavior and could potentially be used as a novel adsorbent for rhodamine B dye remediation from aqueous media. The study found that utilizing chitosan-cl-poly(MMA) nanohydrogel spheres at the optimal pH 5 increased RhB dye adsorption capacity from 7.9 to 17.8 mg/g (pH 2 to 5), followed by a slight reduction. Furthermore, when nanohydrogel concentration increased, adsorption capacity dropped from 18.03 to 2.8 mg/g, but adsorption percentage climbed from 90.2% to 97.8%. At an initial dye concentration of 140 mg/L, rhodamine B adsorption achieved 204.3 mg/g in 60 min. The rhodamine B dye adsorption study includes adsorption kinetics, isotherm, and thermodynamics analyses. The interpretation of the adsorption study revealed that Langmuir isotherms fit best with a qmax value of 276.26 mg/g, which is in close approximation with the experimental value, whereas pseudo-second-order kinetics explains the adsorption process rate. The interaction of RhB dye with chitosan-cl-poly(MMA) hydrogel nanospheres involves multiple forces such as electrostatic interactions, hydrogen bonding, van der Waals forces, etc.
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Affiliation(s)
- Gaurav Sharma
- Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518055, China; (A.K.); (F.J.S.)
- International Research Centre of Nanotechnology for Himalayan Sustainability (IRCNHS), Shoolini University of Biotechnology and Management Sciences, Solan 173229, Himachal Pradesh, India; (Y.V.); (P.D.)
| | - Alberto García-Peñas
- Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518055, China; (A.K.); (F.J.S.)
- Departamento de Ciencia e Ingeniería de Materiales e Ingeniería Química, IAAB, Universidad Carlos III de Madrid, Avda. de la Universidad, 30, 28911 Madrid, Spain
| | - Yaksha Verma
- International Research Centre of Nanotechnology for Himalayan Sustainability (IRCNHS), Shoolini University of Biotechnology and Management Sciences, Solan 173229, Himachal Pradesh, India; (Y.V.); (P.D.)
| | - Amit Kumar
- Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518055, China; (A.K.); (F.J.S.)
- International Research Centre of Nanotechnology for Himalayan Sustainability (IRCNHS), Shoolini University of Biotechnology and Management Sciences, Solan 173229, Himachal Pradesh, India; (Y.V.); (P.D.)
| | - Pooja Dhiman
- International Research Centre of Nanotechnology for Himalayan Sustainability (IRCNHS), Shoolini University of Biotechnology and Management Sciences, Solan 173229, Himachal Pradesh, India; (Y.V.); (P.D.)
| | - Florian J. Stadler
- Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518055, China; (A.K.); (F.J.S.)
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Ahmaruzzaman M, Roy P, Bonilla-Petriciolet A, Badawi M, Ganachari SV, Shetti NP, Aminabhavi TM. Polymeric hydrogels-based materials for wastewater treatment. CHEMOSPHERE 2023; 331:138743. [PMID: 37105310 DOI: 10.1016/j.chemosphere.2023.138743] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 04/18/2023] [Accepted: 04/19/2023] [Indexed: 05/19/2023]
Abstract
Low-cost and reliable wastewater treatment is a relevant issue worldwide to reduce the concentration of environmental pollutants. Industrial effluents containing dyes, heavy metals, and other inorganic and organic compounds can pollute water resources; therefore, novel technologies are required to mitigate and control their release into the environment. Adsorption is one of the simplest methods for treating contaminated water in which a wide spectrum of adsorbents can be used to remove emerging compounds. Hydrogels are interesting materials with high adsorption capacities that can be synthesized via green routes. These adsorbents are promising for large-scale industrial wastewater treatment applications; however, gaps still exist in achieving sustainable commercial implementation. This review focuses on the discussion and analysis of preparation, characterization, and adsorption properties of hydrogels for water purification. The advantages of these polymeric materials for water treatment were analyzed, including their performance in the removal of different organic and inorganic contaminants. Recent advances in the functionalization of hydrogels and the synthesis of novel composites have also been described. The adsorption capacities of hydrogel-based adsorbents are higher than 500 mg/g for different organic and inorganic pollutants, and can reach values of up to >2000 mg/g for organic compounds, significantly outperforming other materials reported for water cleaning. The main interactions involved in the adsorption of water pollutants using hydrogel-based adsorbents were described and explained to allow the interpretation of their removal mechanisms. The current challenges in the implementation of hydrogels for water purification in real-life operations are also highlighted. This review provides an updated picture of hydrogels as interesting materials to address water depollution worldwide.
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Affiliation(s)
- Md Ahmaruzzaman
- Department of Chemistry, National Institute of Technology Silchar, 788010, Assam, India.
| | - Prerona Roy
- Department of Chemistry, National Institute of Technology Silchar, 788010, Assam, India
| | | | - Michael Badawi
- Laboratoire de Physique et Chimie Théoriques UMR CNRS 7019, Université de Lorraine, Nancy, France
| | - Sharanabasava V Ganachari
- Center for Energy and Environment, School of Advanced Sciences, KLE Technological University, Hubballi, 580 031, India
| | - Nagaraj P Shetti
- Center for Energy and Environment, School of Advanced Sciences, KLE Technological University, Hubballi, 580 031, India
| | - Tejraj M Aminabhavi
- Center for Energy and Environment, School of Advanced Sciences, KLE Technological University, Hubballi, 580 031, India.
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Zhu H, Chen S, Duan H, He J, Luo Y. Removal of anionic and cationic dyes using porous chitosan/carboxymethyl cellulose-PEG hydrogels: Optimization, adsorption kinetics, isotherm and thermodynamics studies. Int J Biol Macromol 2023; 231:123213. [PMID: 36641019 DOI: 10.1016/j.ijbiomac.2023.123213] [Citation(s) in RCA: 44] [Impact Index Per Article: 44.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 12/22/2022] [Accepted: 01/06/2023] [Indexed: 01/12/2023]
Abstract
Chitosan (CS)/carboxymethyl cellulose (CMC) porous hydrogels chemically crosslinked by epichlorohydrin were synthesized using polyethylene glycol (PEG) as a pore-forming agent for anionic (Congo red, CR) and cationic (methylene blue, MB) dyes removal from aqueous solutions. The swelling ratio of hydrogels prepared with 2 % CS and 2 % CMC (CS2/CMC2) exhibited optimal performance at different pHs. The addition of PEG into hydrogels (denoted as CS2/CMC2-PEG1.25) exhibited a significantly higher adsorption for CR and MB, increasing from 117.83 to 159.12 mg/g and 110.2 to 136 mg/g, respectively. The comprehensive analyses of Fourier transform infrared spectroscopy, thermalgravimetric study and scanning electron microscopy showed that CS2/CMC2-PEG1.25 hydrogels became more porous with no significant changes in intermolecular and intramolecular interactions, compared with CS2/CMC2 hydrogels. The adsorption process for CR and MB conformed to the pseudo-second-order and pseudo-first-order kinetics models, respectively. The results of adsorption isotherm for CR followed both Freundlich and Langmuir models with the maximum adsorption capacities of 1053.88 mg/g, whereas the isotherm for MB fitted the Langmuir model better with the maximum adsorption capacities of 331.72 mg/g. The thermodynamic study results proved that the CR and MB adsorption by hydrogels was spontaneous, but the CR adsorption was endothermic and the MB adsorption was exothermic.
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Affiliation(s)
- Honglin Zhu
- Department of Nutritional Sciences, University of Connecticut, Storrs, CT 06269, United States
| | - Sunni Chen
- Department of Nutritional Sciences, University of Connecticut, Storrs, CT 06269, United States
| | - Hanyi Duan
- Department of Chemistry, University of Connecticut, Storrs, CT 06269, United States
| | - Jie He
- Department of Chemistry, University of Connecticut, Storrs, CT 06269, United States
| | - Yangchao Luo
- Department of Nutritional Sciences, University of Connecticut, Storrs, CT 06269, United States.
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Preparation of magnetic fluorescent nanoparticles with quaternary ammonium chitosan derivatives and its properties. Colloids Surf A Physicochem Eng Asp 2023. [DOI: 10.1016/j.colsurfa.2022.130310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Rout DR, Jena HM. Polyethylene glycol functionalized reduced graphene oxide coupled with zinc oxide composite adsorbent for removal of phenolic wastewater. ENVIRONMENTAL RESEARCH 2022; 214:114044. [PMID: 35985491 DOI: 10.1016/j.envres.2022.114044] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 07/31/2022] [Accepted: 08/02/2022] [Indexed: 06/15/2023]
Abstract
The development of agricultural activities and industrialization recently has various adverse impacts on living organisms. The ever-increasing problem of organic pollution has been an environmental concern to the community. Among these, phenolic pollutants like 2,4-dichlorophenol (2,4-DCP), phenol, 2-chlorophenol (2-CP), and bisphenol-A (BPA) are priority toxic pollutants that are continuously released into environment from many industries. In this work, a biocompatible zinc oxide incorporated polyethylene glycol functionalized reduced graphene oxide composite (RGO-PEG-ZnO) was synthesized and explored for the adsorptive removal of toxic phenolic pollutants from water. The optimized adsorption parameters were solution pH 7, adsorption time 60 min, temperature 25 °C, and dosage 0.25 g/L. The isotherms were well fitted by the Langmuir model for BPA and phenol, whereas for 2-CP, and 2,4-DCP, Freundlich was the best-fitted model, and the maximum uptake of BPA, phenol, 2-CP, and 2,4-DCP were 485.756, 511.248, 531.804, 570.641 mg/g, respectively. The kinetic data for all the phenolic pollutants follow the pseudo-second-order model. The thermodynamic analysis shows that Gibb's free energy (ΔGo) values for all the pollutants were negative, confirming that the process was spontaneous. The positive values of change in enthalpy (ΔHo) 28.261, 37.205, 46.182, and 61.682 kJ/mol for BPA, phenol, 2-CP, and 2,4-DCP, respectively, confirm that the above adsorption process was endothermic. The composite can be used for up to five cycles with a small reduction in the removal percentage. Adsorption performance of the synthesized composite for synthetic industrial effluents shows that up to 86.54% removal occurred in 45 min adsorption time. Based on the remarkably rapid adsorption and high adsorption capacity, RGO-PEG-ZnO composite can be considered an efficient adsorbent for treating phenolic pollutants from wastewater.
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Affiliation(s)
- Dibya Ranjan Rout
- Department of Chemical Engineering, National Institute of Technology, Rourkela, 769008, Orissa, India.
| | - Hara Mohan Jena
- Department of Chemical Engineering, National Institute of Technology, Rourkela, 769008, Orissa, India.
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6
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Rout DR, Jena HM. Synthesis of novel epichlorohydrin cross-linked β-cyclodextrin functionalized with reduced graphene oxide composite adsorbent for treatment of phenolic wastewater. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:73444-73460. [PMID: 35622280 DOI: 10.1007/s11356-022-21018-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Accepted: 05/18/2022] [Indexed: 06/15/2023]
Abstract
A novel composite consisting reduced graphene oxide-functionalized beta-cyclodextrin epichlorohydrin polymer (RGO-βCD-ECH) was synthesized for the treatment of phenolic wastewater. Batch study of phenolic pollutants (2,4-dichlorophenol, 2-chlorophenol, and phenol) was analyzed using the synthesized composite as an adsorbent from an aqueous solution. The optimized parameters were temperature 25 °C, adsorption time 60 min, solution pH 7, and dosage 0.25 g/L. The isotherm data were more suitably fitted by the Langmuir isotherm model. The maximum uptake for 2,4-dichlorophenol, phenol, and 2-chlorophenol was 702.853, 659.475, and 674.155 mg/g, respectively, at 25 ± 1 °C. The kinetic data for all the phenolic pollutants follow the pseudo-second-order model, and the rate was controlled by film diffusion. Thermodynamic data revealed that the process of removing phenolic pollutants is spontaneous and endothermic. The composite can be used up to five cycles with a small reduction in the removal. Adsorption performance of the synthesized composite for synthetic industrial effluents shows that up to 78% removal occurred in 60 min adsorption time. Based on the remarkably rapid adsorption and high adsorption capacity, the synthesized composite can be considered an efficient adsorbent for treating phenolic pollutants from wastewater.
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Affiliation(s)
- Dibya Ranjan Rout
- Department of Chemical Engineering, National Institute of Technology, Rourkela, 769008, Orissa, India
| | - Hara Mohan Jena
- Department of Chemical Engineering, National Institute of Technology, Rourkela, 769008, Orissa, India.
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Mohammadzadeh Pakdel P, Peighambardoust SJ, Arsalani N, Aghdasinia H. Safranin-O cationic dye removal from wastewater using carboxymethyl cellulose-grafted-poly(acrylic acid-co-itaconic acid) nanocomposite hydrogel. ENVIRONMENTAL RESEARCH 2022; 212:113201. [PMID: 35413301 DOI: 10.1016/j.envres.2022.113201] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 03/21/2022] [Accepted: 03/24/2022] [Indexed: 06/14/2023]
Abstract
Copolymer of acrylic acid (AA) and itaconic acid (IA) grafted onto sodium carboxymethyl cellulose hydrogel (CMC-g-poly (AA-co-IA)) was successfully synthesized as an adsorbent to remove safranin-O from wastewater. The swelling and removal efficiencies of CMC-g-poly (AA-co-IA) were enhanced by increasing IA/AA molar ratio as well as by incorporation of montmorillonite clay nano-sheets (MMT). The surface area of MMT, CMC-g-poly (AA-co-IA), and CMC-g-poly (AA-co-IA) samples was 15.632, 0.61452, and 0.66584 m2/g, respectively, indicating the effectiveness of MMT nano-sheets in improving hydrogel surface area. The maximum removal efficiency of CMC-g-poly (AA-co-IA)/MMT under optimum conditions i.e., pH of 8, initial concentration of 10 mg/L, adsorbent dose of 2 g/L, and contact time of 40 min was ascertained 99.78% using a response surface methodology-central composite design (RSM-CCD). Pseudo-second-order and Langmuir models giving the maximum monolayer adsorption capacity of 18.5185 mg/g and 19.1205 mg/g for CMC-g-poly (AA-co-IA) and CMC-g-poly (AA-co-IA)/MMT samples, respectively are the best-fitted models for kinetic and equilibrium data. Thermodynamically, safranin-O decontamination was spontaneous, exothermic, and entropy decreasing. Moreover, ad (de)sorption behavior study showed that CMC-g-poly (AA-co-IA)/MMT performance was not changed after multiple recovery steps. Therefore, CMC-g-poly (AA-co-IA)/MMT was considered as a highly potential adsorbent for safranin-O removal from wastewater.
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Affiliation(s)
| | | | - Nasser Arsalani
- Research Laboratory of Polymer, Department of Organic and Biochemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran
| | - Hassan Aghdasinia
- Faculty of Chemical and Petroleum Engineering, University of Tabriz, Tabriz, 5166616471, Iran
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Mabrouk M, Abd El-Wahab RM, Abo-Elfadl MT, Beherei HH, Selim MM, Ibrahim AM, Das DB. Magnetic nanosystems substituted with zinc for enhanced antibacterial, drug delivery and cell viability behaviours. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Firmansyah ML, Ilmi T, Mukti RR, Patmawati, Goto M. Facile fabrication of a phosphonium-based ionic liquid impregnated chitosan adsorbent for the recovery of hexavalent chromium. RSC Adv 2022; 12:11207-11215. [PMID: 35425075 PMCID: PMC8996754 DOI: 10.1039/d2ra00064d] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Accepted: 04/04/2022] [Indexed: 11/22/2022] Open
Abstract
Chitosan adsorbents impregnated with a phosphonium-based ionic liquid (Chi_IL), trioctyldodecyl phosphonium chloride, were prepared for the adsorption of hexavalent chromium and compared to the performance of native chitosan. The physical and chemical properties of the adsorbents were characterized by Fourier-transform infrared spectroscopy, X-ray diffraction, scanning electron microscopy, and energy-dispersive X-ray spectroscopy. Effects of various parameters, such as pH, adsorbent dosage, contact time, temperature, and multi-component systems, were systematically examined. Chi_IL showed a high adsorption capacity (282.6 mg g-1) compared to native chitosan (238.1 mg g-1). The adsorption kinetics of the metals followed a pseudo-second-order kinetic model, and the experimental data were a good fit for the Freundlich isotherm model. Following the isotherm and activation energy parameter, adsorption of Cr(vi) onto Chi_IL follows a chemisorption process, possibly through an anionic exchange with the anion of the IL. The thermodynamic parameters suggested that the adsorption of Cr(vi) is a spontaneous and exothermic reaction. In the column adsorption, Chi_IL exhibited a longer column exhaustion time than that of native chitosan owing to the enhanced adsorption capacity caused by the introduction of IL. Moreover, the column with the parameters of 6 cm bed depth, 5 mL min-1 flow rate, and 50 mg L-1 was able to achieve the best performance in Cr(vi) adsorption.
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Affiliation(s)
- Mochamad Lutfi Firmansyah
- Nanotechnology Engineering, Faculty of Advanced Technology and Multidiscipline, Airlangga University Jl. Dr Ir. H. Soekarno Surabaya 60115 Indonesia
| | - Thalabul Ilmi
- Division of Inorganic and Physical Chemistry, Faculty of Mathematics and Natural Science, Institut Teknologi Bandung Jl Ganesha 10 Bandung 40132 Indonesia
| | - Rino Rakhmata Mukti
- Division of Inorganic and Physical Chemistry, Faculty of Mathematics and Natural Science, Institut Teknologi Bandung Jl Ganesha 10 Bandung 40132 Indonesia
- Research Center for Nanoscience and Nanotechnology, Institut Teknologi Bandung Jl Ganesha 10 Bandung 40132 Indonesia
- Research and Innovation Center for Advanced Materials, Institut Teknologi Sumatera Jl. Terusan Ryacudu Lampung 35365 Indonesia
| | - Patmawati
- Department of Marine, Faculty of Fisheries and Marine, Universitas Airlangga Jalan Mulyorejo Kampus C Surabaya 60115 Indonesia
| | - Masahiro Goto
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University 744 Motooka, Nishi-ku Fukuoka 819-0395 Japan
- Center for Future Chemistry, Kyushu University 744 Motooka, Nishi-ku Fukuoka 819-0395 Japan
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Gutierrez AM, Frazar EM, X Klaus MV, Paul P, Hilt JZ. Hydrogels and Hydrogel Nanocomposites: Enhancing Healthcare through Human and Environmental Treatment. Adv Healthc Mater 2022; 11:e2101820. [PMID: 34811960 PMCID: PMC8986592 DOI: 10.1002/adhm.202101820] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 11/08/2021] [Indexed: 12/11/2022]
Abstract
Humans are constantly exposed to exogenous chemicals throughout their life, which can lead to a multitude of negative health impacts. Advanced materials can play a key role in preventing or mitigating these impacts through a wide variety of applications. The tunable properties of hydrogels and hydrogel nanocomposites (e.g., swelling behavior, biocompatibility, stimuli responsiveness, functionality, etc.) have deemed them ideal platforms for removal of environmental contaminants, detoxification, and reduction of body burden from exogenous chemical exposures for prevention of disease initiation, and advanced treatment of chronic diseases, including cancer, diabetes, and cardiovascular disease. In this review, three main junctures where the use of hydrogel and hydrogel nanocomposite materials can intervene to positively impact human health are highlighted: 1) preventing exposures to environmental contaminants, 2) prophylactic treatments to prevent chronic disease initiation, and 3) treating chronic diseases after they have developed.
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Affiliation(s)
- Angela M Gutierrez
- Department of Chemical and Materials Engineering, University of Kentucky, 177 F Paul Anderson Tower, Lexington, KY, 40506, USA
- Superfund Research Center, University of Kentucky, Lexington, KY, 40506, USA
| | - Erin Molly Frazar
- Department of Chemical and Materials Engineering, University of Kentucky, 177 F Paul Anderson Tower, Lexington, KY, 40506, USA
- Superfund Research Center, University of Kentucky, Lexington, KY, 40506, USA
| | - Maria Victoria X Klaus
- Department of Chemical and Materials Engineering, University of Kentucky, 177 F Paul Anderson Tower, Lexington, KY, 40506, USA
- Superfund Research Center, University of Kentucky, Lexington, KY, 40506, USA
| | - Pranto Paul
- Department of Chemical and Materials Engineering, University of Kentucky, 177 F Paul Anderson Tower, Lexington, KY, 40506, USA
- Superfund Research Center, University of Kentucky, Lexington, KY, 40506, USA
| | - J Zach Hilt
- Department of Chemical and Materials Engineering, University of Kentucky, 177 F Paul Anderson Tower, Lexington, KY, 40506, USA
- Superfund Research Center, University of Kentucky, Lexington, KY, 40506, USA
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Adsorption of endocrine disruptive congo red onto biosynthesized silver nanoparticles loaded on Hildegardia barteri activated carbon. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.118735] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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12
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Tang Z, Guo H, Xu J, Li Z, Sun G. Cationic poly(diallyldimethylammonium chloride) based hydrogel for effective anionic dyes adsorption from aqueous solution. REACT FUNCT POLYM 2022. [DOI: 10.1016/j.reactfunctpolym.2022.105239] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Muedi KL, Masindi V, Maree JP, Haneklaus N, Brink HG. Effective Adsorption of Congo Red from Aqueous Solution Using Fe/Al Di-Metal Nanostructured Composite Synthesised from Fe(III) and Al(III) Recovered from Real Acid Mine Drainage. NANOMATERIALS 2022; 12:nano12050776. [PMID: 35269263 PMCID: PMC8911895 DOI: 10.3390/nano12050776] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 02/21/2022] [Accepted: 02/23/2022] [Indexed: 02/04/2023]
Abstract
This study presents the first known exploration of Congo red dye (CR) adsorption by a polycationic Fe/Al Di-metal nanostructured composite (PDFe/Al) synthesised using Fe(III) and Al(III) recovered from authentic acid mine drainage (AMD). The PDFe/Al successfully removed CR from the aqueous solution. The mineralogical, microstructural, and chemical properties of the synthesised PDFe/Al adsorbent (before and after adsorption) were studied using state-of-the-art analytical instruments. The optimum conditions were observed to be 100 mg·L−1 CR, 1 g of the PDFe/Al in 500 mL adsorbate solution, 20 min of shaking, pH = 3–8, and a temperature of 35 °C. At optimised conditions, the PDFe/Al showed ≥99% removal efficacy for CR dye and an exceptionally high Langmuir adsorption capacity of 411 mg·g−1. Furthermore, a diffusion-limited adsorption mechanism was observed, with two distinct surfaces involved in the adsorption of CR from an aqueous solution. It was determined that the adsorption of CR induced internal strain and deformation within the matrices and interlayers of the PDFe/Al which resulted in a marked increase in the adsorbent pore surface area and pore volume. The remarkably high adsorption capacity could be attributed to the high surface area. A regeneration study showed that the adsorbent could be reused more than four times for the adsorption of CR. The findings from this study demonstrated the feasibility of recovering valuable minerals from toxic and hazardous AMD and demonstrated their potential for the treatment of industrial wastewaters.
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Affiliation(s)
- Khathutshelo Lilith Muedi
- Department of Chemical Engineering, Faculty of Engineering, Built Environment and Information Technology, University of Pretoria, Pretoria 0028, South Africa;
| | - Vhahangwele Masindi
- Magalies Water, Scientific Services, Research & Development Division, Erf 3475, Stoffberg Street, Brits 0250, South Africa;
- Department of Environmental Sciences, School of Agriculture and Environmental Sciences, University of South Africa (UNISA), P.O. Box 392, Florida 1710, South Africa
| | | | - Nils Haneklaus
- Institute of Chemical Technology, Freiberg University of Mining and Technology, Leipziger Straße 29, 09599 Freiberg, Germany;
- Td Lab Sustainable Mineral Resources, University for Continuing Education Krems, Dr.-Karl-Dorrek-Straße 30, 3500 Krems, Austria
| | - Hendrik Gideon Brink
- Department of Chemical Engineering, Faculty of Engineering, Built Environment and Information Technology, University of Pretoria, Pretoria 0028, South Africa;
- Correspondence: ; Tel.: +27-84-206-8338
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Maruthupandy M, Muneeswaran T, Vennila T, Anand M, Cho WS, Quero F. Development of chitosan decorated Fe 3O 4 nanospheres for potential enhancement of photocatalytic degradation of Congo red dye molecules. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 267:120511. [PMID: 34695713 DOI: 10.1016/j.saa.2021.120511] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2021] [Revised: 10/07/2021] [Accepted: 10/13/2021] [Indexed: 06/13/2023]
Abstract
Fe3O4 nanospheres (Nsps) and chitosan (Cts)/Fe3O4 Nsps were prepared using a one-pot hydrothermal method and subsequently used as photocatalysts against the degradation of Congo red (CR) dye molecules. The sphere-shaped Fe3O4 nanoparticles were heterogeneously decorated by the Cts matrix, which was confirmed by powder X-ray diffraction, scanning and transmission electron microscopies. The Cts/Fe3O4 Nsps demonstrated 98% efficient photocatalytic activity against CR dye molecules upon 60 min exposure to visible light compared to Fe3O4 Nsps (77% for 60 min). When compared to Fe3O4 Nsps, the visible light photocatalytic efficiency of Cts/Fe3O4 Nsps against CR dye molecules was significantly improved.
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Affiliation(s)
- Muthuchamy Maruthupandy
- Lab of Toxicology, Department of Health Sciences, The Graduate School of Dong-A University, 37, Nakdong-daero 550 Beon-gil, Saha-gu, Busan 49315, Republic of Korea; Departamento de Ingeniería Química, Biotecnología y Materiales, Facultad de Ciencias Físicas y Matemáticas, Universidad de Chile, Avenida Beauchef 851, Santiago 8370456, Chile.
| | - Thillaichidambaram Muneeswaran
- Departamento de Ingeniería Química, Biotecnología y Materiales, Facultad de Ciencias Físicas y Matemáticas, Universidad de Chile, Avenida Beauchef 851, Santiago 8370456, Chile
| | | | - Muthusamy Anand
- Department of Marine and Coastal Studies, Madurai Kamaraj University, Madurai 625 021, Tamil Nadu, India
| | - Wan-Seob Cho
- Lab of Toxicology, Department of Health Sciences, The Graduate School of Dong-A University, 37, Nakdong-daero 550 Beon-gil, Saha-gu, Busan 49315, Republic of Korea.
| | - Franck Quero
- Departamento de Ingeniería Química, Biotecnología y Materiales, Facultad de Ciencias Físicas y Matemáticas, Universidad de Chile, Avenida Beauchef 851, Santiago 8370456, Chile; Millennium Nucleus in Smart Soft Mechanical Metamaterials, Avenida Beauchef 851, Santiago 8370456, Chile.
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15
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Loc TT, Dat ND, Tran HN. Nano-sized hematite-assembled carbon spheres for effectively adsorbing paracetamol in water: Important role of iron. KOREAN J CHEM ENG 2022; 40:1-10. [PMID: 35095157 PMCID: PMC8786625 DOI: 10.1007/s11814-021-1013-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Revised: 11/07/2021] [Accepted: 11/11/2021] [Indexed: 11/24/2022]
Abstract
This study developed a new α-Fe2O3 (hematite) nanoparticles-loaded spherical biochar (H-SB) through the direct pyrolysis of glucose-derived spherical hydrochar and FeCl3. The optimal impregnation ratio (hydrochar and FeCl3) was 1/1.25 (wt/wt). H-SB was applied to remove paracetamol (PRC) from water. Results indicated that H-SB exhibited a relatively low surface area (127 m2/g) and total pore volume (0.089 cm3/g). The presence of iron particles in its surface was confirmed by scanning electron microscopy with energy dispersive spectroscopy. The dominant form of iron nanoparticles (α-Fe2O3) in its surface was confirmed by X-ray powder diffraction and Raman spectrum. The crystallite size of α-Fe2O3 in H-SB was 27.4 nm. The saturation magnetization of H-SB was 6.729 cmu/g. The analysis of Fourier-transform infrared spectroscopy demonstrated that the C-O and O-H groups were mainly responsible for loading α-Fe2O3 nanoparticles in its surface. The adsorption study indicated the amount of PRC adsorbed by H-SB slightly decreased within solution pH from 2 to 11. The adsorption reached a fast saturation after 120 min. The Langmuir maximum adsorption capacity of H-SB was 49.9 mg/g at 25 °C and pH 7.0. Ion-dipole interaction and π-π interaction played an important role in adsorption mechanisms, while hydrogen bonding and pore filling were minor. Therefore, H-SB can serve as a promising material for treating PRC-contaminated water streams. ELECTRONIC SUPPLEMENTARY MATERIAL Supplementary material is available in the online version of this article at 10.1007/s11814-021-1013-z.
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Affiliation(s)
- Ton That Loc
- Institute of Fundamental and Applied Sciences, Duy Tan University, Ho Chi Minh City, 700000 Vietnam
- Faculty of Environmental and Chemical Engineering, Duy Tan University, Da Nang, 550000 Vietnam
| | - Nguyen Duy Dat
- Faculty of Chemical & Food Technology, Ho Chi Minh City University of Technology and Education, Thu Duc, Ho Chi Minh City, 700000 Vietnam
| | - Hai Nguyen Tran
- Institute of Fundamental and Applied Sciences, Duy Tan University, Ho Chi Minh City, 700000 Vietnam
- Faculty of Environmental and Chemical Engineering, Duy Tan University, Da Nang, 550000 Vietnam
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Liu H, Wang S, Gao H, Yang H, Wang F, Chen X, Fang L, Tang S, Yi Z, Li D. A simple polyacrylamide gel route for the synthesis of MgAl2O4 nanoparticles with different metal sources as an efficient adsorbent: Neural network algorithm simulation, equilibrium, kinetics and thermodynamic studies. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2021.119855] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Dutta S, Srivastava SK, Gupta B, Gupta AK. Hollow Polyaniline Microsphere/MnO 2/Fe 3O 4 Nanocomposites in Adsorptive Removal of Toxic Dyes from Contaminated Water. ACS APPLIED MATERIALS & INTERFACES 2021; 13:54324-54338. [PMID: 34727690 DOI: 10.1021/acsami.1c15096] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Dyes are considered as recalcitrant compounds and are not easily removed through conventional water treatment processes. The present study demonstrated the fabrication of polyaniline hollow microsphere (PNHM)/MnO2/Fe3O4 composites by in situ deposition of MnO2 and Fe3O4 nanoparticles on the surface of PNHM. The physicochemical characteristics and adsorption behavior of the prepared PNHM/MnO2/Fe3O4 composites towards the removal of toxic methyl green (MG) and Congo red (CR) dyes have been investigated. The characterization study revealed the successful synthesis of the prepared PNHM/MnO2/Fe3O4 adsorbent with a high Brunauer-Emmett-Teller (BET) surface area of 191.79 m2/g. The batch adsorption study showed about 88 and 98% adsorption efficiencies for MG and CR dyes, respectively, at an optimum dose of 1 g/L of PNHM/MnO2/Fe3O4 at pH ∼6.75 at room temperature (303 ± 3 K). The adsorption phenomena of MG and CR dyes were well described by the Elovich and pseudo-second-order kinetics, respectively, and Freundlich isotherm model. The thermodynamics study shows that the adsorption reactions were endothermic and spontaneous in nature. The maximum adsorption capacity (Qmax) for MG and CR dyes was observed as 1142.13 and 599.49 mg/g, respectively. The responsible adsorption mechanisms involved in dye removal were electrostatic interaction, ion exchange, and the formation of the covalent bonds. The coexisting ion study revealed that the presence of phosphate co-ion considerably reduced the CR dye removal efficiency. However, the desorption-regeneration study demonstrated the successful reuse of the spent PNHM/MnO2/Fe3O4 material for the adsorption of MG and CR dyes for several cycles. Given the aforementioned findings, the PNHM/MnO2/Fe3O4 nanocomposites could be considered as a promising adsorbent for the remediation of dye-contaminated water.
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Affiliation(s)
- Soumi Dutta
- School of Water Resources, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
| | | | - Bramha Gupta
- School of Water Resources, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
| | - Ashok Kumar Gupta
- Environmental Engineering Division, Department of Civil Engineering, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
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