1
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Xie N, Wang H, You C. Enhanced adsorption of Pb 2+ by the oxygen-containing functional groups enriched activated carbon. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024:10.1007/s11356-024-33047-w. [PMID: 38619770 DOI: 10.1007/s11356-024-33047-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Accepted: 03/19/2024] [Indexed: 04/16/2024]
Abstract
Lead is one of the primary pollutants found in water and poses significant toxicity risks to humans; thus, it is necessary to investigate techniques for removing it economically and efficiently. In order to enhance the removal capacity of Pb2+, coconut shell-based activated carbon (AC) was modified with introducing oxygen-containing functional groups (OFGs) via nitric acid (HNO3) or hydrogen peroxide (H2O2) modification in this study. The characterization results show that after oxidation treatment, the content of OFGs increased, and the textural properties of the samples do not change significantly. This indicates that the modification conditions used in this study effectively introduced OFGs while avoiding the adverse effects on physical adsorption ability of AC caused by oxidation treatment. The Pb2+ adsorption capacities of the AC modified with 10 M HNO3 and 30 wt.% H2O2 were 4.26 and 3.64 times that of the pristine AC, respectively. The experimental data can be well fitted using the Langmuir isotherm model and the Elovich kinetic model, suggesting that the adsorption of Pb2+ on AC belongs to single-layer adsorption, and chemical adsorption dominates the adsorption process. In summary, the hydrothermal-assisted HNO3/H2O2-modified coconut shell-based AC shows great potential in efficiently removing Pb2+ from solutions, offering a solution for utilizing coconut shell waste.
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Affiliation(s)
- Ning Xie
- Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Department of Energy and Power Engineering, Tsinghua University, Beijing, 100084, China
- Shanxi Research Institute for Clean Energy, Tsinghua University, Taiyuan, China
| | - Haiming Wang
- Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Department of Energy and Power Engineering, Tsinghua University, Beijing, 100084, China.
- Shanxi Research Institute for Clean Energy, Tsinghua University, Taiyuan, China.
| | - Changfu You
- Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Department of Energy and Power Engineering, Tsinghua University, Beijing, 100084, China
- Shanxi Research Institute for Clean Energy, Tsinghua University, Taiyuan, China
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2
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Ali MA, Mobarak M, Salah AM, Yehia A, Lima EC, Seliem AQ, Elshimy AS, Al-Dossari M, El-Gawaad NSA, Bendary HI, Seliem MK. Facile synthesis and characterization of a magnetic biosorbent derived from sodium alginate and activated graphite schist: Experimental and statistical physics analysis for Mn(VII) remediation. Int J Biol Macromol 2024; 261:129692. [PMID: 38278398 DOI: 10.1016/j.ijbiomac.2024.129692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 01/13/2024] [Accepted: 01/21/2024] [Indexed: 01/28/2024]
Abstract
H2O2-modified graphite schist (GS) and sodium alginate (SA) interface was loaded by Fe3O4 nanoparticles (MNPs) to prepare a magnetic biosorbent that was employed in removing Mn(VII) from solutions. The prepared GS/SA/MNPs adsorbent was investigated using a variety of techniques, including elemental mapping, TEM, XPS, FTIR, FESEM, EDX, XRD, XPS, and zeta potential. An experimental study supported by statistical physics calculations was carried out to obtain a new outline of the Mn(VII) uptake mechanism. The classical Freundlich and the statistical physical double-layer models adequately described the Mn(VII) uptake process at pH 3.0 and a temperature of 25-55 °C. The removed number of Mn ions (such as Mn+7 and Mn+2) per GS/SA/MNPs active site ranged from 0.70 to 0.84, indicating a mixed adsorption orientation driven by surface complexation and attraction forces mechanisms. The adsorption energies (∆E) calculated by the double-layer model ranged from 18.79 to 24.94 kJ/mol, suggesting that the interaction between Mn(VII) and GS/SA/MNPs was controlled by physical forces. Increasing the adsorption capacity at saturation (Qsat) from 333.14 to 369.52 mg/g with temperature proposed an endothermic capture process. Thermodynamic functions clarified the viability and spontaneity of Mn(VII) uptake on the GS/SA/MNPs adsorbent.
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Affiliation(s)
- Mohamed A Ali
- School of Biotechnology, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt
| | - Mohamed Mobarak
- Physics Department, Faculty of Science, Beni-Suef University, 62511, Egypt
| | - Ahmed M Salah
- Faculty of Earth Science, Beni-Suef University, 62511, Egypt
| | - Ahmed Yehia
- Department of Mineral Beneficiation and Agglomeration, Central Metallurgical R&D Institute, P.O. Box 87, Helwan, Cairo, Egypt
| | - Eder C Lima
- Postgraduate Program in Mine, Metallurgical, and Materials Engineering (PPGE3M), School of Engineering, Federal University of Rio Grande do Sul (UFRGS), Av. Bento Gonçalves, 9500, Porto Alegre, RS, Brazil; Institute of Chemistry, Federal University of Rio Grande do Sul (UFRGS), Av. Bento Goncalves 9500, Postal Box, 15003, Porto Alegre, RS ZIP 91501-970, Brazil
| | - Ali Q Seliem
- Faculty of Earth Science, Beni-Suef University, 62511, Egypt
| | - Ahmed S Elshimy
- Faculty of Earth Science, Beni-Suef University, 62511, Egypt
| | - M Al-Dossari
- Department of Physics, Faculty of Science, King Khalid University, Abha 62529, Saudi Arabia
| | - N S Abd El-Gawaad
- Department of Physics, Faculty of Science, King Khalid University, Abha 62529, Saudi Arabia
| | - Hazem I Bendary
- Chemical Engineering Department, Higher Institute of Engineering, El-Shorouk Academy, Shorouk City, Cairo, Egypt
| | - Moaaz K Seliem
- Faculty of Earth Science, Beni-Suef University, 62511, Egypt.
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3
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de Lima RS, Tonholo J, Rangabhashiyam S, Fernandes DP, Georgin J, de Paiva E Silva Zanta CL, Meili L. Enhancing Methylene Blue Dye Removal using pyrolyzed Mytella falcata Shells: Characterization, Kinetics, Isotherm, and Regeneration through Photolysis and Peroxidation. ENVIRONMENTAL MANAGEMENT 2024; 73:425-442. [PMID: 37864753 DOI: 10.1007/s00267-023-01898-7] [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: 07/11/2023] [Accepted: 10/11/2023] [Indexed: 10/23/2023]
Abstract
The potential of pyrolyzed Mytella falcata shells as an adsorbent for removing methylene blue dye molecules from aqueous solutions was investigated. The study found that the adsorbent produced at 600 °C of pyrolysis temperature, with an adsorbent mass of 0.5 g, particle diameter of 0.297-0.149 mm, and pH 12.0, demonstrated the highest dye molecule removal efficiency of 82.41%. The material's porosity was observed through scanning electron microscopy, which is favorable for adsorption, while Fourier-transform infrared spectroscopy and X-Ray diffraction analysis analyses confirmed the presence of calcium carbonate in the crystalline phases. The pseudo-second order model was found to be the best fit for the data, suggesting that the adsorption mechanism involves two steps: external diffusion and diffusion via the solid pores. The Redlich-Peterson isotherm model better represented the equilibrium data, and the methylene blue adsorption was found to be spontaneous, favorable, and endothermic. The hydrogen peroxide with UV oxidation was found to be the most efficient method of regeneration, with a regeneration percentage of 63% achieved using 600 mmol.L-1 of oxidizing agents. The results suggest that pyrolyzed Mytella falcata shells could serve as an ecologically viable adsorbent alternative, reducing the amount of waste produced in the local environment and at the same time removing pollutants from the water. The material's adsorption capacity remained almost constant in the first adsorption-oxidation cycles, indicating its potential for repeated use.
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Affiliation(s)
- Renata Silva de Lima
- Laboratory of Applied Electrochemistry, Institute of Chemistry and Biotechnology, Federal University of Alagoas, 57072-900, Maceió, AL, Brazil
- Laboratory of Processes, Center of Technology, Federal University of Alagoas, 57072-900, Maceió, AL, Brazil
| | - Josealdo Tonholo
- Laboratory of Applied Electrochemistry, Institute of Chemistry and Biotechnology, Federal University of Alagoas, 57072-900, Maceió, AL, Brazil
| | | | - Daniel Pinto Fernandes
- Laboratory of Processes, Center of Technology, Federal University of Alagoas, 57072-900, Maceió, AL, Brazil
| | - Jordana Georgin
- Department of Civil and Environmental, Universidad de la Costa, CUC, Calle 58 #55-66, Barranquilla, Atlántico, Colombia
| | - Carmem Lúcia de Paiva E Silva Zanta
- Laboratory of Applied Electrochemistry, Institute of Chemistry and Biotechnology, Federal University of Alagoas, 57072-900, Maceió, AL, Brazil
| | - Lucas Meili
- Laboratory of Processes, Center of Technology, Federal University of Alagoas, 57072-900, Maceió, AL, Brazil.
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4
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Shabbir M, Imran M, Haider A, Shahzadi I, Ahmad W, Ul-Hamid A, Nabgan W, Shahzadi A, Al-Shanini A, Al-Anazy MM, Adam M, Ikram M. Efficient Samarium-Grafted-C 3N 4-Doped α-MoO 3 Used as a Dye Degrader and Antibacterial Agent: In Silico Molecular Docking Study. ACS OMEGA 2023; 8:34805-34815. [PMID: 37779977 PMCID: PMC10535254 DOI: 10.1021/acsomega.3c03910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/03/2023] [Accepted: 08/29/2023] [Indexed: 10/03/2023]
Abstract
This study was used to evaluate the catalytic activity (CA) and bactericidal activity of α-MoO3 and Sm-g-C3N4-doped α-MoO3 composites prepared through an efficient, cost-effective coprecipitation route. Their characteristic studies verify the formation of α-MoO3 and its composites (3, 6, and 9 mL Sm-g-C3N4-doped α-MoO3), which showed high crystallinity, as confirmed by X-ray diffraction (XRD) analysis. The production of superoxide and hydroxyl radicals due to charge transfer through α-MoO3 and g-C3N4 eventually forms electrons in g-C3N4 and holes around α-MoO3. CA against Rhodamine B (RhB) in basic medium provides maximum results compared to acidic and neutral media. The bactericidal efficacy of the (9 mL) doped sample represents a greater inhibition zone of 6.10 mm against the negative bacterial strain Escherichia coli. Furthermore, in silico studies showed that the generated nanorods may inhibit DNA gyrase and dihydropteroate synthase (DHPS) enzymes.
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Affiliation(s)
- Mohsin Shabbir
- Department
of Chemistry, Government College University, Faisalabad, Pakpattan Road, Sahiwal 57000, Punjab, Pakistan
| | - Muhammad Imran
- Department
of Chemistry, Government College University, Faisalabad, Pakpattan Road, Sahiwal 57000, Punjab, Pakistan
| | - Ali Haider
- Department
of Clinical Sciences, Faculty of Veterinary and Animal Sciences, Muhammad Nawaz Shareef, University of Agriculture, Multan 66000, Punjab, Pakistan
| | - Iram Shahzadi
- Punjab
University College of Pharmacy, Allama Iqbal Campus, University of Punjab, Lahore 54000, Pakistan
| | - Wakeel Ahmad
- Solar
Cell Applications Research Lab, Department of Physics, Government College University Lahore, Lahore 54000, Punjab, Pakistan
| | - Anwar Ul-Hamid
- Core
Research Facilities, Research Institute, King Fahd University of Petroleum
& Minerals, Dhahran 31261, Saudi Arabia
| | - Walid Nabgan
- Departament
d’Enginyeria Química, Universitat
Rovira i Virgili, Av Països Catalans 26, 43007 Tarragona, Spain
| | - Anum Shahzadi
- Faculty
of Pharmacy, The University of Lahore, Lahore 54000, Pakistan
| | - Ali Al-Shanini
- College
of Petroleum and Engineering, Hadhramout
University, Mukalla 50511, Hadhramout, P. O. Box 50511, Yemen
| | - Murefah mana Al-Anazy
- Department
of Chemistry, College of Sciences, Princess
Nourah bint Abdulrahman University (PNU), P.O. Box 84428, Riyadh 11671, Saudi Arabia
| | - Mohamed Adam
- Department
of Radiological Sciences, College of Applied Medical Sciences, King Khalid University, Abha 61421, Saudi Arabia
| | - Muhammad Ikram
- Solar
Cell Applications Research Lab, Department of Physics, Government College University Lahore, Lahore 54000, Punjab, Pakistan
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5
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Roy S, Darabdhara J, Ahmaruzzaman M. ZnO-based Cu metal-organic framework (MOF) nanocomposite for boosting and tuning the photocatalytic degradation performance. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:95673-95691. [PMID: 37556061 DOI: 10.1007/s11356-023-29105-4] [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: 03/08/2023] [Accepted: 07/28/2023] [Indexed: 08/10/2023]
Abstract
Although metal-organic frameworks (MOFs) are a viable choice for photocatalysts with large surface area and tunable pore structure, the rapid recombination of excited photogenerated charges results in low activity towards photodegradation. Aiming at improving the photocatalytic activities of MOFs, different strategies to incorporate MOF with light-harvesting semiconductors have been developed. In this research, we report an effective photocatalyst designed by incorporating Cu-MOF with ZnO for the photocatalytic degradation of Rose Bengal exhibiting excellent degradation efficiency of 97.4% in 45 min under natural sunlight with catalyst dosage of 320 mg/L. The optical, morphology and surface characteristics of the prepared nanocomposite were studied using scanning electron microscopy (SEM-EDX), high-resolution transmission electron microscopy (HRTEM), powder X-ray diffraction (PXRD), Brunauer-Emmett-Teller (BET) analysis, thermogravimetric (TGA) analysis, Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS) and ultraviolet diffused reflectance spectroscopy (UV-DRS) techniques. Further studies showed that the degradation followed first-order kinetics with a rate constant of 0.077869 min-1. The degradation mechanism was investigated by photoluminescence (PL) study, XPS, zeta potential and quenching experiment in presence of different scavengers. Meanwhile, the fabricated composite displayed good recovery and reuse properties up to 5 cycles as revealed by XRD analysis proving itself a potential MOF-based photocatalyst towards environmental remediation process.
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Affiliation(s)
- Saptarshi Roy
- Department of Chemistry, National Institute of Technology, Silchar, 788010, Assam, India
| | - Jnyanashree Darabdhara
- Department of Chemistry, National Institute of Technology, Silchar, 788010, Assam, India
| | - Mohammed Ahmaruzzaman
- Department of Chemistry, National Institute of Technology, Silchar, 788010, Assam, India.
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6
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Mousavi FS, Nasouri K. Novel 3D carbon fibers derived from Luffa wastes for oil/water separation. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 320:121093. [PMID: 36657512 DOI: 10.1016/j.envpol.2023.121093] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 01/02/2023] [Accepted: 01/13/2023] [Indexed: 06/17/2023]
Abstract
In this study, the 3D structure of carbon fibers (CFs) was prepared from Luffa sponge wastes by H3PO4 impregnation with various ratios and a low-temperature carbonization process at 500 °C in a nitrogen atmosphere. The H3PO4-treated Luffa sponge had higher thermal stability and carbonic yield (∼60-70%) than neat-Luffa (∼21%). Characterization analyses exposed that the synthesized CFs derived from H3PO4-treated Luffa exhibited oleophilic and hydrophobic carbonic nature with 3D sponge skeletal, reflecting an ideal structure for oil sorption. The engine oil sorption properties on the CFs were studied by varying the contact time. The engine oil sorption equilibrium data for 3D CFs samples was explained by the pseudo-second-order and intraparticle diffusion models. The equilibrium oil sorption capacities of 3D CFs were as large as 23.1 ± 0.4 g/g for engine oil, 23.7 ± 1.0 g/g for gasoline, 28.1 ± 1.0 g/g for almond oil, and 29.2 ± 0.8 g/g for pomegranate seed oil in 20 min. Moreover, the optimized 3D CFs can be selectively for oil/water separation applications, such as high capacities for various oils, fast kinetic sorption, and reusability (>6 cycles). This research presented a facile and cost-effective process for the 3D CFs through recycling Luffa sponge wastes for rapid oil sorption.
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Affiliation(s)
- Fatemeh Sadat Mousavi
- Department of Textile Engineering, Isfahan University of Technology, Isfahan, 84156-83111, Iran
| | - Komeil Nasouri
- Department of Textile Engineering, Isfahan University of Technology, Isfahan, 84156-83111, Iran.
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7
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Liane Ücker C, San Martins Rodrigues F, de Gouveia Cantoneiro R, Goetzke V, Ceretta Moreira E, Meneghetti Ferrer M, Wienke Raubach C, Cava S. The superior photocatalytic performance of loofah sponges impregnated with Nb2O5. J Photochem Photobiol A Chem 2023. [DOI: 10.1016/j.jphotochem.2023.114694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2023]
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8
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Mohamed F, Abukhadra MR, Khan AAP, Alamry KA, Asiri AM, Shaban M. Superior removal of methylene blue using green fabricated pomegranate peel/nano-hematite composite: reusability, isotherm and kinetics study. J Biomol Struct Dyn 2022; 40:12413-12425. [PMID: 34569410 DOI: 10.1080/07391102.2021.1971111] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Green hematite nanoparticles were synthesized using pomegranate peel extract of different concentrations (2 g, 4 g, and 6 g) and in the presence of the peel residuals. The obtained products defined as PP/GNH (I), PP/GNH (II), and PP/GNH (III) referring to the hematite nanoparticles at different concentrations compositing with pomegranate peel residuals. The products were addressed as green adsorbents for methylene blue dye contaminants in water. They exhibit superior adsorption properties with theoretical qmax of 666, 1111, and 909 mg/g for PP/GNH (I), PP/GNH (II), and PP/GNH (III), respectively. The equilibration times were attained after 480 min for the three products. The isotherm and kinetic studies indicate that the adsorption systems for the synthetic materials are of chemisorption type. The adsorption behaviors of these systems can be demonstrated according to Pseudo-second order as well as Elovich kinetic model. Furthermore, the adsorption results reflected a mono-layer uptake form which was more suitable for the Langmuir model than other investigated models. The products also showed high performances when it comes to remove the dyes investigated such as methylene blue Congo red, safranin, methyl orange, and crystal violet. Finally, green fabricated nano hematite/pomegranate peel composites are of high stability and can be reused for five cycles.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Fatma Mohamed
- Polymer Research Laboratory, Chemistry Department, Faculty of Science, Beni-Suef University, Beni-Suef, Egypt.,Nanophotonics and Applications Lab, Physics Department, Faculty of Science, Beni-Suef University, Beni-Suef, Egypt
| | - Mostafa R Abukhadra
- Nanophotonics and Applications Lab, Physics Department, Faculty of Science, Beni-Suef University, Beni-Suef, Egypt.,Geology Department, Faculty of Science, Beni-Suef University, Beni-Suef, Egypt
| | - Aftab Aslam Parwaz Khan
- Center of Excellence for Advanced Materials Research, King Abdulaziz University, Jeddah, Saudi Arabia.,Chemistry Department, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Khalid A Alamry
- Chemistry Department, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Abdullah M Asiri
- Center of Excellence for Advanced Materials Research, King Abdulaziz University, Jeddah, Saudi Arabia.,Chemistry Department, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mohamed Shaban
- Nanophotonics and Applications Lab, Physics Department, Faculty of Science, Beni-Suef University, Beni-Suef, Egypt.,Department of Physics, Faculty of Science, Islamic University in Almadinah Almonawara, Almadinah Almonawara, Saudi Arabia
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9
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Synthesis of novel tetranuclear Ni complex incorporated mesoporous silica for improved photocatalytic degradation of methylene blue in presence of visible light. Polyhedron 2022. [DOI: 10.1016/j.poly.2022.116161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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10
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Yasmin N, Liaqat A, Ali G, Kalsoom A, Safdar M, Mirza M. Synthesis and characterization of silver-indium and antimony selenide: role in photocatalytic degradation of dyes. Heliyon 2022; 8:e11088. [PMID: 36281382 PMCID: PMC9586916 DOI: 10.1016/j.heliyon.2022.e11088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 03/09/2022] [Accepted: 10/10/2022] [Indexed: 11/28/2022] Open
Abstract
These days, water contamination poses a severe threat to the ecosystem and demands immediate care. This study examined the need to reduce water pollution using clean, renewable energy (solar light irradiations) for the degradation of Congo red by Silver-indium and antimony selenide with chemical composition AgInSbSe3. The sample was fabricated through a hydrothermal technique. The synthesized sample was characterized through X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), Scanning electron microscopy (SEM) and Ultraviolet-Visible spectroscopy. The X-ray diffraction confirms crystalline structure of the synthesized sample. The SEM analysis reveals irregular grains and exhibits a very small inter-particle distance. SEM provides the morphology of the synthesized sample, the grain size of the synthesized sample was 0.58 μm. FTIR results revealed specific absorption bands in the range of 400-4000 cm-1; optical properties are studied through UV-Vis-spectroscopy. The synthesized sample has 1.97 eV bandgap which is suitable for degradation of organic pollutants. The photocatalytic activity of the material is checked by degrading the Congo red dye under direct sunlight irradiation and for the 75 min illumination 77.8% degradation efficiency is attained.
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Affiliation(s)
- N. Yasmin
- Department of Physics the Women University Multan 66000, Pakistan
| | - A. Liaqat
- Department of Physics the Women University Multan 66000, Pakistan,U.S.-Pakistan Center for Advanced Studies in Energy (USPCAS-E) National University of Science and Technology (NUST), Islamabad 44000, Pakistan
| | - G. Ali
- U.S.-Pakistan Center for Advanced Studies in Energy (USPCAS-E) National University of Science and Technology (NUST), Islamabad 44000, Pakistan
| | - A. Kalsoom
- Department of Physics Govt. Sadiq College Women University, Bahawalpur 63100, Pakistan
| | - M. Safdar
- Department of Basic Sciences & Humanities Khawaja Fareed University of Engineering & Information Technology, Rahim Yar Khan 64200, Pakistan,Corresponding author.
| | - M. Mirza
- Department of Physics the Women University Multan 66000, Pakistan,Corresponding author.
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11
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Zhao Y, Chen T, Song XF, Yang JY, Wang YY, Li YS, Liu Y. Green synthesis of loofah-based biosorbent via radiation grafting for effective removal of methylene blue. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.104382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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12
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Liu K, Chen J, Sun F, Liu Y, Tang M, Yang Y. Historical development and prospect of intimately coupling photocatalysis and biological technology for pollutant treatment in sewage: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 835:155482. [PMID: 35483466 DOI: 10.1016/j.scitotenv.2022.155482] [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: 04/02/2022] [Revised: 04/17/2022] [Accepted: 04/19/2022] [Indexed: 06/14/2023]
Abstract
Through the synergistic effect of photocatalysis and biodegradation, intimately coupling photocatalysis and biological (ICPB) technology could improve the removal rate and mineralization rate of refractory pollutants and reduce the toxicity of intermediate products. ICPB system was characterized with the advantages of simple operation, low energy consumption and high treatment efficiency. As a new sewage treatment technology, ICPB system has shown great potential in the treatment of refractory pollutants, and has been widely concerned. In this study, the research progress of photocatalyst, carrier and biofilm in ICPB system were discussed, and the degradation mechanism was introduced. The shortcomings of the current ICPB system were pointed out, and the possible research directions of ICPB in the future were proposed. This review aimed to deepen the understanding of ICPB technology and promoted the further development of ICPB technology in the treatment of refractory pollutants.
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Affiliation(s)
- Kai Liu
- School of Life Sciences, Qufu Normal University, Qufu 273165, PR China
| | - Junfeng Chen
- School of Life Sciences, Qufu Normal University, Qufu 273165, PR China.
| | - Fengfei Sun
- School of Life Sciences, Qufu Normal University, Qufu 273165, PR China
| | - Yanyan Liu
- School of Life Sciences, Qufu Normal University, Qufu 273165, PR China
| | - Meizhen Tang
- School of Life Sciences, Qufu Normal University, Qufu 273165, PR China
| | - Yuewei Yang
- School of Life Sciences, Qufu Normal University, Qufu 273165, PR China.
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13
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Ikram M, Shahzadi A, Hayat S, Nabgan W, Ul-Hamid A, Haider A, Noor M, Goumri-Said S, Kanoun MB, Ali S. Novel Ta/chitosan-doped CuO nanorods for catalytic purification of industrial wastewater and antimicrobial applications. RSC Adv 2022; 12:16991-17004. [PMID: 35755577 PMCID: PMC9172551 DOI: 10.1039/d2ra03006c] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Accepted: 05/30/2022] [Indexed: 02/05/2023] Open
Abstract
Novel tantalum (Ta) and chitosan (CS)-doped CuO nanorods (NRs) were synthesized using a single step co-precipitation route. Different concentrations (2 and 4%) of Ta were used in fixed amounts of CS and CuO to examine their catalytic activity and antimicrobial potential. For critical analysis, synthesized NRs were systematically examined using XRD, FTIR HRTEM, EDS, UV-Vis and PL spectroscopy. The XRD technique revealed the monoclinic structure of CuO while an increase in its crystallite size (from 15.5 to 18.5 nm) was observed upon doping. FTIR spectra were examined to study the functional groups of CuO where peaks at 514 cm-1 and 603 cm-1 confirmed the formation of CuO NRs. PL spectra depicted the charge transfer efficiency of the synthesized samples. The presence of dopants (Ta and CS) and constituent elements (Cu, O) was detected using EDS spectra. Additionally, the pH based catalytic performance of fabricated NRs revealed 99.7% dye degradation of toxic methylene blue (MB) dye in neutral media, 99.4% in basic media and 99.5% in acidic media along with promising antibacterial activities for Gram negative/positive bacteria, respectively upon doping of Ta (4%) into CS/CuO. The adsorption energies of CuO co-doped with CS/Ta led to the creation of stable structures that were investigated theoretically using density functional theory.
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Affiliation(s)
- M Ikram
- Solar Cell Application Research Lab, Department of Physics, Government College University Lahore Lahore 54000 Punjab Pakistan
| | - A Shahzadi
- Faculty of Pharmacy, The University of Lahore Lahore 54000 Pakistan
| | - S Hayat
- Department of Physics, Riphah Institute of Computing and Applied Sciences (RICAS), Riphah International University 14 Ali Road Lahore Pakistan
| | - W Nabgan
- Departament d'Enginyeria Química, Universitat Rovira i Virgili Av Països Catalans 26 43007 Tarragona Spain
| | - A Ul-Hamid
- Core Research Facilities, King Fahd University of Petroleum & Minerals Dhahran 31261 Saudi Arabia
| | - A Haider
- Department of Clinical Sciences, Faculty of Veterinary and Animal Sciences, Muhammad Nawaz Shareef University of Agriculture Multan 66000 Pakistan
| | - M Noor
- Department of Physics, Riphah Institute of Computing and Applied Sciences (RICAS), Riphah International University 14 Ali Road Lahore Pakistan
| | - Souraya Goumri-Said
- College of Science, Physics Department, Alfaisal University P. O. Box 50927 Riyadh 11533 Saudi Arabia
| | - Mohammed Benali Kanoun
- Department of Physics, College of Science, King Faisal University P. O. Box 400 Al-Ahsa 31982 Saudi Arabia
| | - S Ali
- Department of Physics, Riphah Institute of Computing and Applied Sciences (RICAS), Riphah International University 14 Ali Road Lahore Pakistan
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14
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Guo Y, Liu X, Xie S, Liu H, Wang C, Wang L. 3D ZnO modified biochar-based hydrogels for removing U(VI) in aqueous solution. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.128606] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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15
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Converting red mud wastes into mesoporous ZSM-5 decorated with TiO2 as an eco-friendly and efficient adsorbent-photocatalyst for dyes removal. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.103754] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
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16
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Usman MA, Khan AY. Selective adsorption of anionic dye from wastewater using polyethyleneimine based macroporous sponge: Batch and continuous studies. JOURNAL OF HAZARDOUS MATERIALS 2022; 428:128238. [PMID: 35033911 DOI: 10.1016/j.jhazmat.2022.128238] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Revised: 01/03/2022] [Accepted: 01/05/2022] [Indexed: 06/14/2023]
Abstract
Dyes are well known for their hazardous impacts on public health and the environment. Dye removal using monolithic adsorbents is an attractive approach for industrial applications and process design owing to their utilization in both static and dynamic adsorption experiments. In the present work, polyethyleneimine (PEI) based macroporous monolithic sponge (S100) was engineered by ice-templating method and used as an adsorbent. Both batch and continuous operations for dye removal were studied. The effect of various parameters such as pH, adsorbent amount, flow rate, influent dye concentration, and adsorbent bed height on adsorption performance of S100 was studied and modelled using Langmuir/Freundlich isotherms for static operations and Adam-Bohart/Thomas model in packed-bed column experiments. Under optimum conditions, the adsorbent showed a remarkably higher adsorption capacity towards CR (1666.67 mg/g), which is considerably higher than most PEI-based adsorbents. Amine groups in S100 offered exceptional selectivity for anionic Congo red (CR) against cationic Methylene blue (MB) dye (separation factor of 208 and 87 in absence and presence of sodium chloride, respectively). It can be easily regenerated in alkaline medium without a significant loss in percent adsorption capacity and shows good thermal and mechanical stability. Notably, in column studies, a relatively smaller percentage of unused bed height (32.3%) was observed with higher dye uptake for 16 mg S100 at flow rate 10 mL/h and inlet concentration 300 mg/L. Thus, the adsorbent displays an outstanding physiochemical characteristic, excellent selectivity for anionic dye, ease of regeneration and high adsorption performance in both batch and continuous studies.
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Affiliation(s)
- Mohd Arish Usman
- Department of Chemical Engineering, Manipal University Jaipur, Dehmi Kalan, Off. Jaipur-Ajmer Expressway, Jaipur 303007, Rajasthan, India
| | - Anees Y Khan
- Department of Chemical Engineering, Manipal University Jaipur, Dehmi Kalan, Off. Jaipur-Ajmer Expressway, Jaipur 303007, Rajasthan, India.
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17
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Wang C, Chen X, Jiang Y, Li N, Zhu P, Xu H. Facile and green synthesis of reduced graphene oxide/loofah sponge for Streptomyces albulus immobilization and ε-poly-l-lysine production. BIORESOURCE TECHNOLOGY 2022; 349:126534. [PMID: 34896528 DOI: 10.1016/j.biortech.2021.126534] [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: 10/19/2021] [Revised: 12/05/2021] [Accepted: 12/06/2021] [Indexed: 06/14/2023]
Abstract
Facile and green fabrication of reduced graphene oxide on loofah sponge (rGOLS) carrier was applied for cell immobilization of ε-Poly-l-lysine (ε-PL) production. Due to surface properties including large specific surface area, high polarity, and low interaction energy, rGOLS-1 was employed as the optimum rGOLS to enhance immobilization of Streptomyces albulus. Compared with raw LS, batch experiments showed rGOLS-1 facilitated superior cell vitality for ε-PL production due to the presence of reduced graphene oxide. In the sequential fed-batch cultivation of Streptomyces albulus using rGOLS-1 with an aerobic plant fibrous-bed bioreactor (rGOLS-1-AFPB), the maximum ε-PL concentration and productivity reached to 39.2 ± 0.63 g/L and 0.48 g/L/h. The cells immobilized in rGOLS-1 with high vitality and ε-PL production efficiency were reused six times over a period of 624 h. This research afforded an effective approach to enhance the fermentation performance of immobilized cells with the design of an advanced immobilization carrier.
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Affiliation(s)
- Cheng Wang
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing 211816, China
| | - Xi Chen
- Nanjing Shangqin New Material Technology Company, Nanjing 210046, China
| | - Yingying Jiang
- Department of Physics, National University of Singapore, Singapore 117551, Singapore
| | - Na Li
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing 211816, China
| | - Ping Zhu
- Institute of Agro-product Processing, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Hong Xu
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing 211816, China.
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18
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Schio RDR, da Boit Martinello K, Netto MS, Silva LF, Mallmann ES, Dotto GL. Adsorption performance of Food Red 17 dye using an eco-friendly material based on Luffa cylindrica and chitosan. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2021.118144] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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19
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Hamad HN, Idrus S. Recent Developments in the Application of Bio-Waste-Derived Adsorbents for the Removal of Methylene Blue from Wastewater: A Review. Polymers (Basel) 2022; 14:polym14040783. [PMID: 35215695 PMCID: PMC8876036 DOI: 10.3390/polym14040783] [Citation(s) in RCA: 43] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 02/05/2022] [Accepted: 02/10/2022] [Indexed: 02/04/2023] Open
Abstract
Over the last few years, various industries have released wastewater containing high concentrations of dyes straight into the ecological system, which has become a major environmental problem (i.e., soil, groundwater, surface water pollution, etc.). The rapid growth of textile industries has created an alarming situation in which further deterioration to the environment has been caused due to substances being left in treated wastewater, including dyes. The application of activated carbon has recently been demonstrated to be a highly efficient technology in terms of removing methylene blue (MB) from wastewater. Agricultural waste, as well as animal-based and wood products, are excellent sources of bio-waste for MB remediation since they are extremely efficient, have high sorption capacities, and are renewable sources. Despite the fact that commercial activated carbon is a favored adsorbent for dye elimination, its extensive application is restricted because of its comparatively high cost, which has prompted researchers to investigate alternative sources of adsorbents that are non-conventional and more economical. The goal of this review article was to critically evaluate the accessible information on the characteristics of bio-waste-derived adsorbents for MB’s removal, as well as related parameters influencing the performance of this process. The review also highlighted the processing methods developed in previous studies. Regeneration processes, economic challenges, and the valorization of post-sorption materials were also discussed. This review is beneficial in terms of understanding recent advances in the status of biowaste-derived adsorbents, highlighting the accelerating need for the development of low-cost adsorbents and functioning as a precursor for large-scale system optimization.
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20
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Quan G, Sui F, Wang M, Cui L, Wang H, Xiang W, Li G, Yan J. Mechanochemical modification of biochar-attapulgite nanocomposites for cadmium removal: Performance and mechanisms. Biochem Eng J 2022. [DOI: 10.1016/j.bej.2022.108332] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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21
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The Recycling of Acid Wastewater with High Concentrations of Organic Matter: Recovery of H2SO4 and Preparation of Activated Carbon. WATER 2022. [DOI: 10.3390/w14020183] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Little work has been focused on the recycling of hazardous acid waste with high concentrations of organic matter from petroleum refining. This study developed an innovative, effective, and simple method for the recycling of acid waste that can successfully resolve this significant problem in industry. After parameter optimization, the optimal process is as follows. (1) Through heat treatment at 170 °C, liquid acid waste was transformed into solid; (2) by washing the solids, 70% by weight of sulfuric acid was recycled; and (3) the solid residue after washing was activated by alkali (NaOH or KOH) at an alkali and organic carbon ratio of 2:1, at a temperature of 650 °C for 60 min, producing superior-grade activated carbon with a specific surface area of 1378 m2/g, a pore volume of 0.5107 cm2/g, an iodine number of 1800 mg/g, and a methylene blue adsorption capacity of 240 mg/g. Thus, in this way, both waste sulfuric acid and organic impurities are turned into valuable resources, and no hazardous waste gypsum residues are generated. This method both reduces carbon emissions and recycles valuable resources, which is of important environmental and economic significance.
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22
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Araújo LDCB, de Matos HK, Facchi DP, de Almeida DA, Gonçalves BMG, Monteiro JP, Martins AF, Bonafé EG. Natural carbohydrate-based thermosensitive chitosan/pectin adsorbent for removal of Pb(II) from aqueous solutions. Int J Biol Macromol 2021; 193:1813-1822. [PMID: 34774866 DOI: 10.1016/j.ijbiomac.2021.11.014] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 10/17/2021] [Accepted: 11/02/2021] [Indexed: 01/22/2023]
Abstract
Biodegradable and eco-friendly adsorbents composed of natural carbohydrates have been used to replace carbon-based materials. This study presents a natural carbohydrate-based chitosan/pectin (CS/Pec) hydrogel adsorbent to remove Pb(II) from aqueous solutions. The physical CS/Pec hydrogel was prepared by blending aqueous CS and Pec solutions at 65 °C, preventing the use of toxic chemistries (crosslinking agents). The thermosensitive CS/Pec hydrogel was quickly created by cooling CS/Pec blend at room temperature. The used strategy created stable CS/Pec hydrogel against disintegration and water dissolution. The as-prepared hydrogel was characterized by infrared spectroscopy (FTIR) and thermogravimetric analysis (TGA). The adsorbent had 1.688 mmol -COO- for each gram. These ionized sites bind Pb(II) ions, promoting their adsorption. The adsorption kinetic and equilibrium studies indicated that the Elovich and pseudo-second-order models adjusted well to the experimental data, respectively. The maximum removal capacities (qm) predicted by the Langmuir and Sips isotherms achieved 108.2 and 97.55 mg/g at 0.83 g/L adsorbent dosage (pH 4.0). The hydrogel/Pb(II) pair was characterized by scanning electron microscopy (SEM), X-ray dispersive energy (EDS), and differential scanning calorimetry (DSC). The chemisorption seems to play an essential role in the Pb(II) adsorption. Therefore, the adsorbent was not recovered, showing low potential for reusability.
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Affiliation(s)
- Lucas Del Coli B Araújo
- Laboratory of Materials, Macromolecules and Composites (LaMMAC), Federal University of Technology - Parana (UTFPR), Apucarana, PR 86812-460, Brazil
| | - Henrique K de Matos
- Laboratory of Materials, Macromolecules and Composites (LaMMAC), Federal University of Technology - Parana (UTFPR), Apucarana, PR 86812-460, Brazil
| | - Débora P Facchi
- Laboratory of Materials, Macromolecules and Composites (LaMMAC), Federal University of Technology - Parana (UTFPR), Apucarana, PR 86812-460, Brazil; Group of Polymeric Materials and Composites (GMPC), Department of Chemistry, State University of Maringá (UEM), 87020-900 Maringá, PR, Brazil
| | - Débora A de Almeida
- Laboratory of Materials, Macromolecules and Composites (LaMMAC), Federal University of Technology - Parana (UTFPR), Apucarana, PR 86812-460, Brazil
| | - Bruna M G Gonçalves
- Laboratory of Materials, Macromolecules and Composites (LaMMAC), Federal University of Technology - Parana (UTFPR), Apucarana, PR 86812-460, Brazil
| | - Johny P Monteiro
- Laboratory of Materials, Macromolecules and Composites (LaMMAC), Federal University of Technology - Parana (UTFPR), Apucarana, PR 86812-460, Brazil
| | - Alessandro F Martins
- Laboratory of Materials, Macromolecules and Composites (LaMMAC), Federal University of Technology - Parana (UTFPR), Apucarana, PR 86812-460, Brazil; Group of Polymeric Materials and Composites (GMPC), Department of Chemistry, State University of Maringá (UEM), 87020-900 Maringá, PR, Brazil.
| | - Elton G Bonafé
- Laboratory of Materials, Macromolecules and Composites (LaMMAC), Federal University of Technology - Parana (UTFPR), Apucarana, PR 86812-460, Brazil; Analitycal Applied in Lipids, Sterols, and Antioxidants (APLE-A), State University of Maringá (UEM), 87020-900 Maringá, PR, Brazil.
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23
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Kavci E, Erkmen J, Bingöl MS. Removal of methylene blue dye from aqueous solution using citric acid modified apricot stone. CHEM ENG COMMUN 2021. [DOI: 10.1080/00986445.2021.2009812] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Erbil Kavci
- Faculty of Engineering, Department of Chemical Engineering, Kafkas University, Kars, Turkey
| | - Jülide Erkmen
- Faculty of Engineering, Department of Chemical Engineering, Kafkas University, Kars, Turkey
| | - M. Semih Bingöl
- Eastern Anatolia High Technology Application and Research Center Office, Ataturk University, Erzurum, Turkey
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24
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Self-supporting rGO/BiOBr composite on loofah-sponge as a floating monolithic photocatalyst for efficient microcystis aeruginosa inactivation. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.119226] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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25
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Degradation of cephalexin by persulfate activated with magnetic loofah biochar: Performance and mechanism. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.118971] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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26
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Verification of pore size effect on aqueous-phase adsorption kinetics: A case study of methylene blue. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.127119] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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27
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Oun AA, Kamal KH, Farroh K, Ali EF, Hassan MA. Development of fast and high-efficiency sponge-gourd fibers (Luffa cylindrica)/hydroxyapatite composites for removal of lead and methylene blue. ARAB J CHEM 2021. [DOI: 10.1016/j.arabjc.2021.103281] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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28
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Effective adsorption of methylene blue dye from water solution using renewable natural hydrogel bionanocomposite based on tragacanth gum: Linear-nonlinear calculations. Int J Biol Macromol 2021; 187:319-324. [PMID: 34298053 DOI: 10.1016/j.ijbiomac.2021.07.105] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 07/07/2021] [Accepted: 07/15/2021] [Indexed: 01/25/2023]
Abstract
Today, hydrogels opened new windows to the high-tech due to their amazing features. Thus, we applied hydrogel nanocomposite (HNC) made of tragacanth gum (a kind of polysaccharide) and CaCO3 nanoparticles to remove methylene blue dye (MBD) from the water solution. We used nonlinear and linear isotherms and kinetics as well as thermodynamics to uncover the adsorption mechanism. The results showed that the hydrogel could remove 80% of MBD. Besides, the linear form of the pseudo-second-order kinetic model fits well with the results, showing chemical interactions. We found that this process follows both Sips and Redlich-Peterson models by applying nonlinear and linear isotherm models. The maximum adsorption capacities from nonlinear and linear Sips were 1401 and 2145 mg/g, respectively. Based on the thermodynamic equations, the adsorption of MBD onto HNC was physiochemical and exothermic. According to the phenomenological calculations, diffusion from the bulk (or film diffusion, Df = 1.2 × 10-8 cm2/s) is the primary mechanism.
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29
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Photocatalytic degradation of dyes using semiconductor photocatalysts to clean industrial water pollution. J IND ENG CHEM 2021. [DOI: 10.1016/j.jiec.2021.02.017] [Citation(s) in RCA: 135] [Impact Index Per Article: 45.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
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30
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Ma Y, Qi Y, Lu T, Yang L, Wu L, Cui S, Ding Y, Zhang Z. Highly efficient removal of imidacloprid using potassium hydroxide activated magnetic microporous loofah sponge biochar. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 765:144253. [PMID: 33418333 DOI: 10.1016/j.scitotenv.2020.144253] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 11/02/2020] [Accepted: 11/26/2020] [Indexed: 06/12/2023]
Abstract
Extensive application of imidacloprid (IMI) in pest control and its undesirable removal efficiency enabled it to be a critical global challenge. Low cost, efficient, sustainable and environment-friendly technologies are urgently needed to be developed to remove IMI from water. A novel adsorbent of potassium hydroxide activated magnetic microporous loofah sponge biochar (KOH+Fe/Zn-LBC) was synthesized, as well as its adsorption capacity and mechanisms for IMI were investigated in this study. KOH+Fe/Zn-LBC had the superior pore structure (surface area and pore volume) and its maximum adsorption capacity for IMI could reach 738 mg g-1 at 298 K. Kinetics, isotherms, thermodynamics and characterization analysis suggested that pore filling, hydrogen bonding and π-π conjugation were its main adsorption mechanisms. Additionally, the thermodynamic parameters described that IMI adsorption was a spontaneous, endothermic and less random process. Particularly, the magnetic separation of KOH+Fe/Zn-LBC was beneficial for its reuse. Ultrasound and ethanol co-processing could effectively regenerate the used KOH+Fe/Zn-LBC and maintain its stable sustainable adsorption capacity (99.4% of its fresh adsorption capacity after five reuse cycles). Besides, KOH+Fe/Zn-LBC exhibited a stable adsorption capacity and environmental safety in a wide pH range. Therefore, KOH+Fe/Zn-LBC has the potential to be an efficient, green and sustainable adsorbent for neonicotinoids removal.
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Affiliation(s)
- Yongfei Ma
- Hubei Key Laboratory of Mineral Resources Processing and Environment, School of Resources and Environmental Engineering, State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, China
| | - Yong Qi
- Hubei Key Laboratory of Mineral Resources Processing and Environment, School of Resources and Environmental Engineering, State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, China
| | - Tingmei Lu
- Hubei Key Laboratory of Mineral Resources Processing and Environment, School of Resources and Environmental Engineering, State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, China
| | - Lie Yang
- Hubei Key Laboratory of Mineral Resources Processing and Environment, School of Resources and Environmental Engineering, State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, China
| | - Li Wu
- Hubei Key Laboratory of Mineral Resources Processing and Environment, School of Resources and Environmental Engineering, State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, China
| | - Song Cui
- International Joint Research Center for Persistent Toxic Substances (IJRC-PTS), School of Water Conservancy and Civil Engineering, Northeast Agricultural University, Harbin 150030, China
| | - Yongzhen Ding
- Agro-Environmental Protection Institute, Chinese Academy of Agricultural Sciences, Tianjin 300191, China
| | - Zulin Zhang
- Hubei Key Laboratory of Mineral Resources Processing and Environment, School of Resources and Environmental Engineering, State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, China; The James Hutton Institute, Craigiebuckler, Aberdeen AB15 8QH, UK.
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31
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Xie N, Wang H, You C. Role of oxygen functional groups in Pb 2+ adsorption from aqueous solution on carbonaceous surface: A density functional theory study. JOURNAL OF HAZARDOUS MATERIALS 2021; 405:124221. [PMID: 33082021 DOI: 10.1016/j.jhazmat.2020.124221] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 09/18/2020] [Accepted: 10/06/2020] [Indexed: 06/11/2023]
Abstract
The adsorption mechanism of Pb2+ from aqueous solution on carbonaceous surface modified with oxygen functional groups was investigated by using density functional theory method. The zigzag model with seven benzene rings and armchair model with four benzene rings were used to simulate the different structures of carbonaceous surfaces. It was found that the adsorption of Pb2+ on the pure zigzag surface was chemisorption with the adsorption energy of - 306.26 to - 322.36 kJ/mol, while that on the armchair surface was physisorption with the adsorption energy of - 32.39 kJ/mol. The introduction of oxygen functional groups significantly enhanced the Pb2+ adsorption on the armchair surface. The physisorption changed to chemisorption after adding carboxyl, phenolic hydroxyl, or carbonyl functional group, indicating the stronger adsorption ability of the carbonaceous surfaces after modification. On the zigzag surface, however, the studied functional groups cannot benefit the Pb2+ adsorption. The results showed that the Pb2+ tended to adsorb on the carbon atoms instead of moving to the oxygen atoms from the introduced functional groups for adsorption, which suggests that the oxygen functional groups promoted the Pb2+ adsorption by increasing the activity of their neighboring carbon atoms.
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Affiliation(s)
- Ning Xie
- Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Department of Energy and Power Engineering, Tsinghua University, Beijing 100084, PR China; Shanxi Research Institute for Clean Energy, Tsinghua University, Taiyuan, PR China
| | - Haiming Wang
- Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Department of Energy and Power Engineering, Tsinghua University, Beijing 100084, PR China; Shanxi Research Institute for Clean Energy, Tsinghua University, Taiyuan, PR China.
| | - Changfu You
- Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Department of Energy and Power Engineering, Tsinghua University, Beijing 100084, PR China; Shanxi Research Institute for Clean Energy, Tsinghua University, Taiyuan, PR China
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32
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Barakat M, Kumar R, Lima EC, Seliem MK. Facile synthesis of muscovite–supported Fe3O4 nanoparticles as an adsorbent and heterogeneous catalyst for effective removal of methyl orange: Characterisation, modelling, and mechanism. J Taiwan Inst Chem Eng 2021. [DOI: 10.1016/j.jtice.2021.01.025] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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33
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de Salomón YLO, Georgin J, Franco DSP, Netto MS, Foletto EL, Allasia D, Dotto GL. Application of seed residues from Anadenanthera macrocarpa and Cedrela fissilis as alternative adsorbents for remarkable removal of methylene blue dye in aqueous solutions. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:2342-2354. [PMID: 32885336 DOI: 10.1007/s11356-020-10635-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Accepted: 08/25/2020] [Indexed: 06/11/2023]
Abstract
Two novel ecological and low-cost adsorbents were prepared from seed residues of the tree species Anadenanthera macrocarpa and Cedrela fissilis for the removal of methylene blue dye in water. The materials were comminuted and characterized by different techniques. The particles of samples have a rough surface with cavities. The optimum dosage and pH for both materials were 1 g L-1 and pH 8. The pseudo-second-order model was the most suitable for describing the adsorption kinetics for both systems. The Anadenanthera macrocarpa presented a maximum experimental capacity of 228 mg g-1, while the Cedrela fissilis, a similar capacity of 230 mg g-1 at 328 K. The Tóth model was proper for describing the equilibrium curves for both systems. The thermodynamic indicators show that the adsorption process is spontaneous and endothermic for both materials. The application of materials for the simulated effluent treatment showed 74 and 78% of color removal using Anadenanthera macrocarpa and Cedrela fissilis samples, respectively. Overall, seed residues of Anadenanthera macrocarpa and Cedrela fissilis could be potentially applied for adsorptive removal of colored contaminants in wastewater.
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Affiliation(s)
- Yamil L O de Salomón
- Sanitary and Environmental Engineering Department, Federal University of Santa Maria, Santa Maria, 97105-900, Brazil
| | - Jordana Georgin
- Sanitary and Environmental Engineering Department, Federal University of Santa Maria, Santa Maria, 97105-900, Brazil
| | - Dison S P Franco
- Chemical Engineering Department, Federal University of Santa Maria-UFSM, Roraima Avenue 1000, Santa Maria, RS, 97105-900, Brazil
| | - Matias Schadeck Netto
- Chemical Engineering Department, Federal University of Santa Maria-UFSM, Roraima Avenue 1000, Santa Maria, RS, 97105-900, Brazil
| | - Edson Luiz Foletto
- Chemical Engineering Department, Federal University of Santa Maria-UFSM, Roraima Avenue 1000, Santa Maria, RS, 97105-900, Brazil
| | - Daniel Allasia
- Sanitary and Environmental Engineering Department, Federal University of Santa Maria, Santa Maria, 97105-900, Brazil
| | - Guilherme Luiz Dotto
- Chemical Engineering Department, Federal University of Santa Maria-UFSM, Roraima Avenue 1000, Santa Maria, RS, 97105-900, Brazil.
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35
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Wang Y, Zhou G, Yan Y, Shao B, Hou J. Construction of Natural Loofah/Poly(vinylidene fluoride) Core-Shell Electrospun Nanofibers via a Controllable Janus Nozzle for Switchable Oil-Water Separation. ACS APPLIED MATERIALS & INTERFACES 2020; 12:51917-51926. [PMID: 33147949 DOI: 10.1021/acsami.0c12912] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Developing microstructure and multifunctional membranes toward switchable oil-water separation has been highly desired in oily wastewater treatment. Herein, a controllable Janus nozzle was employed to innovatively electrospin natural loofah/poly(vinylidene fluoride) (PVDF) nanofibers with a core-shell structure for gravity-driven water purification. By adjusting flow rates of the PVDF component, a core-shell structure of the composite fibers was obtained caused by the lower viscosity and surface tension of PVDF. In addition, a steady laminar motion of fluids was constructed based on the Reynolds number of flow fields being less than 2300. In order to investigate the formation mechanism of the microstructure, a series of Janus nozzles with different lengths were controlled to study the blending of the two immiscible components. The gravity difference between the two components might cause disturbance of the jet motion, and the PVDF component unidirectionally encapsulated the loofah to form the shell layer. Most importantly, the dry loofah/PVDF membranes could separate oil from an oil-water mixture, while the water-wetted membrane exhibited switchable separation that could separate water from the mixtures because of the hydroxyl groups of the hydrophilic loofah hydrogen-bonding with water molecules and forming a hydration layer. The composite fibers can be applied in water remediation in practice, and the method to produce core-shell structures seems attractive for technological applications involving macroscopic core-shell nano- or microfibers.
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Affiliation(s)
- Yihuan Wang
- Key laboratory of Automobile Materials of Ministry of Education, College of Materials Science and Engineering, Jilin University, Changchun 130025, China
| | - Guibin Zhou
- Key laboratory of Automobile Materials of Ministry of Education, College of Materials Science and Engineering, Jilin University, Changchun 130025, China
| | - Yifan Yan
- Key laboratory of Automobile Materials of Ministry of Education, College of Materials Science and Engineering, Jilin University, Changchun 130025, China
| | - Bohui Shao
- Key laboratory of Automobile Materials of Ministry of Education, College of Materials Science and Engineering, Jilin University, Changchun 130025, China
| | - Jiazi Hou
- Key laboratory of Automobile Materials of Ministry of Education, College of Materials Science and Engineering, Jilin University, Changchun 130025, China
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Wang C, Yang Q, Ren N, Zhao Z, Wei W, Qin G. Preparation of loofah vine-based hierarchical porous activated carbon for methylene blue adsorption. CHEM ENG COMMUN 2020. [DOI: 10.1080/00986445.2020.1826940] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Conghui Wang
- College of Biochemical Engineering, Beijing Union University, Beijing, China
| | - Qiongjie Yang
- College of Biochemical Engineering, Beijing Union University, Beijing, China
| | - Na Ren
- College of Biochemical Engineering, Beijing Union University, Beijing, China
| | - Zhuo Zhao
- College of Biochemical Engineering, Beijing Union University, Beijing, China
| | - Wei Wei
- College of Biochemical Engineering, Beijing Union University, Beijing, China
| | - Guotong Qin
- School of Space and Environment, Beihang University, Beijing, China
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Yu H, Zhu Y, Hui A, Wang A. Preparation of porous microspherical adsorbent via pine pollen stabilized O1/W/O2 double emulsion for high-efficient removal of cationic dyes. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.124997] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Alvarenga G, Lima JP, Goszczynski ACF, Rosa CH, Rosa GR, Lopes TJ. Methylene blue adsorption by timbaúva (Enterolobium contortisiliquum)-derived materials. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:27893-27903. [PMID: 32405935 DOI: 10.1007/s11356-020-09113-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Accepted: 04/28/2020] [Indexed: 06/11/2023]
Abstract
Liquid effluents from various dyeing industries often have a high concentration of dyes that diffuse into river systems and can be toxic and non-degradable in the environment. In this study, the potential of the use of timbaúva seed husks in the preparation of four adsorbents tested in the removal of methylene blue was analyzed: in natura, chemically activated material (qmax = 1.24 ± 0.04 mg g-1), carbonized (qmax = 1.96 ± 0.03 mg g-1), and activated carbon (qmax = 1.983 ± 0.04 mg g-1). The adsorbents were characterized by scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FT-IR), and CHN elemental analysis to assist in the proposed dye adsorption mechanism in the adsorbents tested. In the adjustment of the kinetic parameters, the pseudo-second order model was predominant by the statistical analysis of the ARE and R2. The carbonized samples were better adjusted to Langmuir isotherms. The removal efficiency of the methylene blue dye in aqueous solutions at the concentrations and conditions studied was 86.78%. The coal from the seed husks of timbaúva has shown excellent performance in adsorption of the methylene blue dye and, therefore, can have technological application.
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Affiliation(s)
- Glademir Alvarenga
- Escola de Química e Alimentos, Universidade Federal do Rio Grande-FURG, Campus Santo Antônio da Patrulha, Rua Barão do Cahy, 125, Cidade Alta, Santo Antônio da Patrulha, RS, CEP 95500-000, Brazil
| | - Jarrie P Lima
- Escola de Química e Alimentos, Universidade Federal do Rio Grande-FURG, Campus Santo Antônio da Patrulha, Rua Barão do Cahy, 125, Cidade Alta, Santo Antônio da Patrulha, RS, CEP 95500-000, Brazil
| | - Ana C F Goszczynski
- Escola de Química e Alimentos, Universidade Federal do Rio Grande-FURG, Campus Santo Antônio da Patrulha, Rua Barão do Cahy, 125, Cidade Alta, Santo Antônio da Patrulha, RS, CEP 95500-000, Brazil
| | - Clarissa H Rosa
- Escola de Química e Alimentos, Universidade Federal do Rio Grande-FURG, Campus Santo Antônio da Patrulha, Rua Barão do Cahy, 125, Cidade Alta, Santo Antônio da Patrulha, RS, CEP 95500-000, Brazil
| | - Gilber R Rosa
- Escola de Química e Alimentos, Universidade Federal do Rio Grande-FURG, Campus Santo Antônio da Patrulha, Rua Barão do Cahy, 125, Cidade Alta, Santo Antônio da Patrulha, RS, CEP 95500-000, Brazil
| | - Toni J Lopes
- Escola de Química e Alimentos, Universidade Federal do Rio Grande-FURG, Campus Santo Antônio da Patrulha, Rua Barão do Cahy, 125, Cidade Alta, Santo Antônio da Patrulha, RS, CEP 95500-000, Brazil.
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Barakat MAE, Kumar R, Seliem MK, Selim AQ, Mobarak M, Anastopoulos I, Giannakoudakis D, Barczak M, Bonilla-Petriciolet A, Mohamed EA. Exfoliated Clay Decorated with Magnetic Iron Nanoparticles for Crystal Violet Adsorption: Modeling and Physicochemical Interpretation. NANOMATERIALS 2020; 10:nano10081454. [PMID: 32722342 PMCID: PMC7466639 DOI: 10.3390/nano10081454] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/12/2020] [Revised: 07/18/2020] [Accepted: 07/19/2020] [Indexed: 02/06/2023]
Abstract
Surfactant–modified exfoliated Fayum clay (CTAB–EC) obtained after chemical treatment with a CTAB/H2O2 solution was further decorated with magnetic Fe3O4 nanoparticles (MNP). The final nanocomposite (MNP/CTAB–EC) was characterized by XRD, SEM, FTIR, TEM and its adsorptive capability against a model cationic dye, crystal violet (CV), was evaluated. A comparison of the adsorption performance of the raw clay and its modified counterparts using H2O2, CTAB, CTAB/H2O2 or MNP indicated that the adsorption capacity of MNP/CTAB–EC was the highest for CV removal at pH 8.0. The pseudo‒second order for the kinetics and Freundlich model for adsorption equilibrium fitted well the CV removal experimental data at all tested temperatures (25, 40 and 55 °C). The enhancement of the Langmuir adsorption capacity from 447.1 to 499.4 mg g−1 with increasing the temperature from 25 to 55 °C revealed an endothermic nature of the removal process. The interactions between CV and MNP/CTAB–EC were interpreted using advanced statistical physics models (ASPM) in order to elucidate the adsorption mechanism. Multilayer model fitted the adsorption process and therefore, the steric and energetic factors that impacted the CV adsorption were also interpreted using this model. The aggregated number of CV molecules per MNP/CTAB–EC active site (n) was more than unity at all temperatures, representing thus a vertical adsorption orientation and a multi‒interactions mechanism. It was determined that the increase of CV uptake with temperature was mainly controlled by the increase of the number of active sites (NM). Calculated adsorption energies (ΔE) revealed that CV removal was an endothermic and a physisorption process (ΔE < 40 kJ mol −1). MNP/CTAB–EC was magnetically separated, regenerated by NaOH, and reused without significant decrease in its adsorption efficiency, supporting a prosperity of its utilization as an effective adsorbent against hazardous dyes from wastewaters.
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Affiliation(s)
- Mohamed Abou Elfetouh Barakat
- Department of Environmental Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia;
- Central Metallurgical R & D Institute, Helwan 11421, Cairo, Egypt
- Correspondence: or (M.A.E.B.); (M.K.S.)
| | - Rajeev Kumar
- Department of Environmental Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia;
| | - Moaaz Korany Seliem
- Faculty of Earth Science, Beni-Suef University, Beni-Suef 62511, Egypt; (A.Q.S.); (E.A.M.)
- Correspondence: or (M.A.E.B.); (M.K.S.)
| | - Ali Qurany Selim
- Faculty of Earth Science, Beni-Suef University, Beni-Suef 62511, Egypt; (A.Q.S.); (E.A.M.)
| | - Mohamed Mobarak
- Physics Department, Faculty of Science, Beni-Suef University, Beni-Suef 62511, Egypt;
| | - Ioannis Anastopoulos
- Department of Chemistry, University of Cyprus, P.O. Box 20537, Nicosia Cy-1678, Cyprus;
| | - Dimitrios Giannakoudakis
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland;
| | - Mariusz Barczak
- Department of Theoretical Chemistry, Institute of Chemical Sciences, Faculty of Chemistry Maria Curie Skłodowska University in Lublin, 20-031 Lublin, Poland;
| | - Adrián Bonilla-Petriciolet
- Departamento de Ingeniería Química, Instituto Tecnológico de Aguascalientes, Aguascalientes 20256, Mexico;
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Seliem MK, Barczak M, Anastopoulos I, Giannakoudakis DA. A Novel Nanocomposite of Activated Serpentine Mineral Decorated with Magnetic Nanoparticles for Rapid and Effective Adsorption of Hazardous Cationic Dyes: Kinetics and Equilibrium Studies. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E684. [PMID: 32260567 PMCID: PMC7221753 DOI: 10.3390/nano10040684] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/16/2020] [Revised: 03/31/2020] [Accepted: 04/01/2020] [Indexed: 01/15/2023]
Abstract
A widely distributed mineral, serpentine, obtained from Wadi Ghadir (Eastern Desert in Egypt) was studied as a potential naturally and abundantly available source for the synthesis of an efficient adsorbent for aquatic remediation applications. A novel nanocomposite was synthesized after the exfoliation of the layered structure of serpentine by hydrogen peroxide treatment (serpentine (SP)), followed by decoration with magnetic Fe3O4 nanoparticles (MNP). The goal behind the utilization of the latter phase was to increase the environmental remediation capability and to incorporate magnetic properties at the final adsorbent, toward a better separation after the use. The fabricated composite (MNP/SP) was characterized by scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), and transmission electron microscopy (TEM). The composite's potential adsorption application toward the removal of two cationic dyes, methylene blue (MB) and malachite green (MG), was investigated. The observed adsorption kinetics was fast, and the highest uptake was observed at pH = 8, with the capacities to reach 162 and 176 mg g-1 for MB and MG, respectively, values significantly higher than various other materials tested against these two cationic dyes. Compared to hydrogen peroxide-treated serpentine, the removal efficiency of the composite was higher by 157 and 127% for MB and MG, respectively. The MB and MG were adsorbed because of the favorable electrostatic interactions between MNP/SP active sites and the cationic dyes. The close value capacities suggest that the difference in chemistry of the two dyes does not affect the interactions, with the later occurring via the dyes' amine functionalities. With increasing ionic strength, the adsorption of the studied basic dyes was slightly decreased, suggesting only partial antagonistic ion effect. The sorbent can be easily regenerated and reused without significant deterioration of its adsorption efficiency, which makes MNP/SP a promising adsorbent for the removal of hazardous pollutants from aquatic environments.
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Affiliation(s)
- Moaaz K. Seliem
- Faculty of Earth Science, Beni-Suef University, Beni Suef Governorate 621, Egypt
| | - Mariusz Barczak
- Department of Theoretical Chemistry, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Sklodowska University, 20-031 Lublin, Poland
| | - Ioannis Anastopoulos
- Department of Chemistry, University of Cyprus, P.O. Box 20537, Cy-1678 Nicosia, Cyprus;
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Jawad AH, Abdulhameed AS, Mastuli MS. Acid-factionalized biomass material for methylene blue dye removal: a comprehensive adsorption and mechanism study. JOURNAL OF TAIBAH UNIVERSITY FOR SCIENCE 2020. [DOI: 10.1080/16583655.2020.1736767] [Citation(s) in RCA: 72] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Ali H. Jawad
- Faculty of Applied Sciences, Universiti Teknologi MARA, Selangor, Malaysia
| | | | - Mohd Sufri Mastuli
- Faculty of Applied Sciences, Universiti Teknologi MARA, Selangor, Malaysia
- Centre for Nanomaterials Research, Institute of Science, Universiti Teknologi MARA, Selangor, Malaysia
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Adsorption of Dye by Waste Black Tea Powder: Parameters, Kinetic, Equilibrium, and Thermodynamic Studies. J CHEM-NY 2020. [DOI: 10.1155/2020/5431046] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Waste black tea powder was used as a potential adsorbent to remove methylene blue (MB) from aqueous solution. Several operating factors in adsorption of MB onto waste black tea powder were investigated, including contact time, initial MB concentration, solution pH, adsorption temperature, and dosage of waste black tea powder. Experimental results revealed that the adsorption efficiency increased with contact time and solution pH values and decreased with initial MB concentration and adsorption temperature. The equilibrium time was estimated to be around 60 min. The maximum adsorption capacity and the highest adsorption efficiency were 302.63 mg·g−1 and 100%, respectively. In kinetic study, pseudo-first-order and pseudo-second-order kinetic models, intraparticle diffusion model, and Boyd and Elovich models were employed to analyze the adsorption behavior and the adsorption mechanism. It was found that the pseudo-second-order kinetic model was suitable to describe the adsorption process, and the calculated equilibrium adsorption capacity was well close to the experimental data for different initial MB concentrations. The internal diffusion was not the only rate-controlling step, and the existence of boundary effect was observed in this study. From isotherm analysis, the equilibrium data were well represented by the Langmuir model, rather than Freundlich, Dubinin–Redushckevich, or Temkin models. The nonlinear fitting for various isotherm models implied that the adsorption behavior between MB and waste black tea powder was complication. Thermodynamic parameters including changes in Gibb’s free energy, enthalpy, and entropy suggested that adsorption of MB onto waste black tea powder was a spontaneous and exothermic process. The multiple regeneration/adsorption experiments indicated that the used black tea powder efficiently remained more than 75% after five cycles using NaOH as a regenerative reagent and thus be used for many times. Therefore, as a low-cost and easily available material, waste black tea powder could be applied in wastewater treatment.
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Egbosiuba T, Abdulkareem A, Kovo A, Afolabi E, Tijani J, Auta M, Roos W. Ultrasonic enhanced adsorption of methylene blue onto the optimized surface area of activated carbon: Adsorption isotherm, kinetics and thermodynamics. Chem Eng Res Des 2020. [DOI: 10.1016/j.cherd.2019.10.016] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Tan G, Li X, Xiao D. Adsorption of methylene blue onto porous carbon materials prepared from Na 2EDTA. NEW J CHEM 2020. [DOI: 10.1039/c9nj06154a] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
A simple self-activation preparation procedure and excellent adsorption performance for methylene blue.
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Affiliation(s)
- Guangqun Tan
- College of Chemical Engineering
- Sichuan University
- Chengdu
- China
| | - Xiaopeng Li
- College of Chemical Engineering
- Sichuan University
- Chengdu
- China
| | - Dan Xiao
- College of Chemical Engineering
- Sichuan University
- Chengdu
- China
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Li J, Wang R, Su Z, Ma X, Jiang X. Multifunctional Polymer Sponge with Molecule Recognition: Facile Mechanic Induced Separation. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:14920-14928. [PMID: 31657577 DOI: 10.1021/acs.langmuir.9b02857] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Polymer sponges with molecular recognition provide a facile approach to water purification and industrial separation with easy operation, but its fabrication is still challenging because some critical issues of selective adsorption, high mechanical strength, and easy collection/re-use are difficult to be achieved in one material. Here, inspired by natural sponges, novel multifunctional polymer sponges were developed which were fabricated by ice-templating with multifunctional amine polyethylenimine and diepoxide cross-linker poly(ethylene glycol) diglycidyl ether for highly efficient harvesting of dyes and simultaneous pure water recovery both in mechanic pressing and filtration processes. The as-prepared sponge (SP-1) was further modified by poly(caffeic acid) through a simple dipping-cross-linking process to obtain the hybrid polymer sponge (SP-2), which showed higher compressive strength than SP-1. These sponges possessed a cross-linked three-dimensional macroporous structure with quick water absorbing properties over ten times of their own weight within 20 s directed by capillary. The adsorption behavior of the obtained polymer sponges to 11 hydrophilic dyes was studied in detail by mechanic induced separation. All these polymer sponges exhibited a high selective adsorption to hydrophilic dyes in water. For example, SP-1 has high adsorption capacity over 150 μmol/g to erythrosin B, which is 20 times higher than that of calcein. With the modified poly(caffeic acid) layer, SP-2 exhibited different adsorption properties for methylene blue (180 μmol/g) to SP-1 (∼0 μmol/g), indicating that the tailorable structures of the sponge can regulate their selectivity to guest molecules. Based on the unique recognition to guest molecules, the methodology of dynamic separation of the dye's mixture in water was demonstrated by using these sponges through mechanical pressing or fast filtration, which provides a facile alternative with easy operation for water purification.
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Affiliation(s)
- Jin Li
- School of Chemistry & Chemical Engineering, State Key Laboratory for Metal Matrix Composite Materials , Shanghai Jiao Tong University , Shanghai 200240 , China
| | - Ruiqing Wang
- School of Chemistry & Chemical Engineering, State Key Laboratory for Metal Matrix Composite Materials , Shanghai Jiao Tong University , Shanghai 200240 , China
| | - Zhilong Su
- School of Chemistry & Chemical Engineering, State Key Laboratory for Metal Matrix Composite Materials , Shanghai Jiao Tong University , Shanghai 200240 , China
| | - Xiaodong Ma
- School of Chemistry & Chemical Engineering, State Key Laboratory for Metal Matrix Composite Materials , Shanghai Jiao Tong University , Shanghai 200240 , China
| | - Xuesong Jiang
- School of Chemistry & Chemical Engineering, State Key Laboratory for Metal Matrix Composite Materials , Shanghai Jiao Tong University , Shanghai 200240 , China
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Selim AQ, Mohamed EA, Seliem MK. Deep insights into the organic carbon role in selectivity and adsorption mechanism of phosphate and crystal violet onto low–cost black limestone: Modelling and physicochemical parameters interpretation. Colloids Surf A Physicochem Eng Asp 2019. [DOI: 10.1016/j.colsurfa.2019.123755] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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47
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Statistical physics modeling and interpretation of methyl orange adsorption on high–order mesoporous composite of MCM–48 silica with treated rice husk. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2019.04.116] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Li Z, Sellaoui L, Dotto GL, Lamine AB, Bonilla-Petriciolet A, Hanafy H, Belmabrouk H, Netto MS, Erto A. Interpretation of the adsorption mechanism of Reactive Black 5 and Ponceau 4R dyes on chitosan/polyamide nanofibers via advanced statistical physics model. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2019.04.091] [Citation(s) in RCA: 98] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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Yazidi A, Sellaoui L, Dotto GL, Bonilla-Petriciolet A, Fröhlich AC, Lamine AB. Monolayer and multilayer adsorption of pharmaceuticals on activated carbon: Application of advanced statistical physics models. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2019.03.101] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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50
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Preparation, Characterization, and Application of Metakaolin-Based Geopolymer for Removal of Methylene Blue from Aqueous Solution. J CHEM-NY 2019. [DOI: 10.1155/2019/4212901] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Metakaolin-based geopolymers are aluminosilicate materials that can be used as cationic dye adsorbents in aqueous system treatment. Our aim in this paper is to study the ability of geopolymer powder produced from metakaolin and alkaline activators to act as an adsorbent to remove methylene blue (MB). The solid materials were systematically analyzed by X-ray fluorescence (XRF), X-ray diffraction (XRD), Fourier-transform infrared spectrometery (FTIR), scanning electron microscopy (SEM), energy dispersive X-ray analysis (EDX), and the point of zero charge. XRF, FTIR, XRD, SEM, and EDX analyses confirmed the formation of a geopolymer composite by geopolymerization reaction. The influence of various experimental factors such as geopolymer dosage, pH, initial dye concentration, contact time, and temperature was assessed. Adsorption isotherms were evaluated by Langmuir, Freundlich, Temkin, and Dubinin–Radushkevich isotherms. Kinetics data were studied using pseudo-first-order, pseudo-second-order, and intraparticle diffusion models. The thermodynamic parameters, namely, Gibbs free energy (ΔG°), enthalpy (ΔH°), and entropy (ΔS°), were determined. The results indicated that the maximum decolorization was found in high pH values. The collected isotherm data were best fitted by the Langmuir isotherm, and the maximum adsorption capacity of dye onto the geopolymer was 43.48 mg/g. The experiment kinetics followed the pseudo-second-order kinetic models. The thermodynamic results demonstrated that the adsorption of the obtained material occurs spontaneously as an endothermic process. The results confirmed that the prepared adsorbent can be used for remediation of water contaminated by MB dye.
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