1
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Saad EM, Abd-Elhafiz MF, Ahmed EM, Markeb AA. Hexavalent chromium ion removal from wastewater using novel nanocomposite based on the impregnation of zero-valent iron nanoparticles into polyurethane foam. Sci Rep 2024; 14:5387. [PMID: 38443423 PMCID: PMC10914806 DOI: 10.1038/s41598-024-55803-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Accepted: 02/27/2024] [Indexed: 03/07/2024] Open
Abstract
In this study, we developed a novel nanocomposite, polyurethane foam impregnated with zero-valent iron nanoparticles (PU@nZVI), for the effective removal of chromium(VI) from various water sources. The characterization of nanocomposite (PU@nZVI) was performed by XRD, SEM-EDS, TEM and FT-IR techniques. Using the response surface methodology, we optimized the removal conditions, achieving an optimal pH of 2 and a dose of 0.5 g/L. The PU@nZVI demonstrated an excellent maximum adsorption capacity of 600.0 mg/g for Cr6+. The adsorption kinetics and isotherms were best described by the pseudo-second-order model and the Freundlich isotherm, respectively. Significantly, the nanocomposite removed 99.98% of Cr6+ from tap water, 96.81% from industrial effluent, and 94.57% from treated sewage wastewater. Furthermore, the PU@nZVI maintained its efficiency over five adsorption-desorption cycles, highlighting its reusability. These results suggest that the PU@nZVI nanocomposite is a highly efficient and sustainable option for chromium(VI) removal in water treatment applications.
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Affiliation(s)
- Eman M Saad
- Chemistry Department, Faculty of Science, Suez University, Suez, Egypt.
| | | | - Eman M Ahmed
- Chemistry Department, Faculty of Engineering, South Vally University, South Vally, Qena, Egypt
| | - Ahmad Abo Markeb
- Department, Faculty of Science, Assiut University, Assiut, Egypt
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2
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Carrasco-García A, Vali SA, Ben-Abbou Z, Moral-Vico J, Abo Markeb A, Sánchez A. Synthesis of Cobalt-Based Nanoparticles as Catalysts for Methanol Synthesis from CO 2 Hydrogenation. Materials (Basel) 2024; 17:697. [PMID: 38591534 PMCID: PMC10856404 DOI: 10.3390/ma17030697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 01/22/2024] [Accepted: 01/28/2024] [Indexed: 04/10/2024]
Abstract
The increasing emission of carbon dioxide into the atmosphere has urged the scientific community to investigate alternatives to alleviate such emissions, being that they are the principal contributor to the greenhouse gas effect. One major alternative is carbon capture and utilization (CCU) toward the production of value-added chemicals using diverse technologies. This work aims at the study of the catalytic potential of different cobalt-derived nanoparticles for methanol synthesis from carbon dioxide hydrogenation. Thanks to its abundance and cost efficacy, cobalt can serve as an economical catalyst compared to noble metal-based catalysts. In this work, we present a systematic comparison among different cobalt and cobalt oxide nanocomposites in terms of their efficiency as catalysts for carbon dioxide hydrogenation to methanol as well as how different supports, zeolites, MnO2, and CeO2, can enhance their catalytic capacity. The oxygen vacancies in the cerium oxide act as carbon dioxide adsorption and activation sites, which facilitates a higher methanol production yield.
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Affiliation(s)
- Anna Carrasco-García
- Departament of Chemical, Biological and Environmental Engineering, Escola d’Enginyeria, Universitat Autònoma de Barcelona, 08193 Cerdanyola del Vallès, Spain
| | - Seyed Alireza Vali
- Departament of Chemical, Biological and Environmental Engineering, Escola d’Enginyeria, Universitat Autònoma de Barcelona, 08193 Cerdanyola del Vallès, Spain
| | - Zahra Ben-Abbou
- Departament of Chemical, Biological and Environmental Engineering, Escola d’Enginyeria, Universitat Autònoma de Barcelona, 08193 Cerdanyola del Vallès, Spain
| | - Javier Moral-Vico
- Departament of Chemical, Biological and Environmental Engineering, Escola d’Enginyeria, Universitat Autònoma de Barcelona, 08193 Cerdanyola del Vallès, Spain
| | - Ahmad Abo Markeb
- Departament of Chemical, Biological and Environmental Engineering, Escola d’Enginyeria, Universitat Autònoma de Barcelona, 08193 Cerdanyola del Vallès, Spain
- Departament of Chemistry, Faculty of Science, Assiut University, Assiut 71516, Egypt
| | - Antoni Sánchez
- Departament of Chemical, Biological and Environmental Engineering, Escola d’Enginyeria, Universitat Autònoma de Barcelona, 08193 Cerdanyola del Vallès, Spain
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3
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Vali SA, Markeb AA, Moral-Vico J, Font X, Sánchez A. Recent Advances in the Catalytic Conversion of Methane to Methanol: From the Challenges of Traditional Catalysts to the Use of Nanomaterials and Metal-Organic Frameworks. Nanomaterials (Basel) 2023; 13:2754. [PMID: 37887905 PMCID: PMC10609106 DOI: 10.3390/nano13202754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 10/05/2023] [Accepted: 10/11/2023] [Indexed: 10/28/2023]
Abstract
Methane and carbon dioxide are the main contributors to global warming, with the methane effect being 25 times more powerful than carbon dioxide. Although the sources of methane are diverse, it is a very volatile and explosive gas. One way to store the energy content of methane is through its conversion to methanol. Methanol is a liquid under ambient conditions, easy to transport, and, apart from its use as an energy source, it is a chemical platform that can serve as a starting material for the production of various higher-value products. Accordingly, the transformation of methane to methanol has been extensively studied in the literature, using traditional catalysts as different types of zeolites. However, in the last few years, a new generation of catalysts has emerged to carry out this transformation with higher conversion and selectivity, and more importantly, under mild temperature and pressure conditions. These new catalysts typically involve the use of a highly porous supporting material such as zeolite, or more recently, metal-organic frameworks (MOFs) and graphene, and metallic nanoparticles or a combination of different types of nanoparticles that are the core of the catalytic process. In this review, recent advances in the porous supports for nanoparticles used for methane oxidation to methanol under mild conditions are discussed.
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Affiliation(s)
| | | | | | | | - Antoni Sánchez
- Composting Research Group (GICOM), Department of Chemical, Biological, and Environmental Engineering, Universitat Autònoma de Barcelona, Bellaterra, 08193 Barcelona, Spain
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4
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Barrena R, Vargas-García MDC, Catacora-Padilla P, Gea T, Abo Markeb A, Moral-Vico J, Sánchez A, Font X, Aspray TJ. Magnetite-based nanoparticles and nanocomposites for recovery of overloaded anaerobic digesters. Bioresour Technol 2023; 372:128632. [PMID: 36657586 DOI: 10.1016/j.biortech.2023.128632] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 01/12/2023] [Accepted: 01/13/2023] [Indexed: 06/17/2023]
Abstract
The effect of magnetite nanoparticles and nanocomposites (magnetite nanoparticles impregnated into graphene oxide) supplement on the recovery of overloaded laboratory batch anaerobic reactors was assessed using two types of starting inoculum: anaerobic granular sludge (GS) and flocculent sludge (FS). Both nanomaterials recovered methane production at a dose of 0.27 g/L within 40 days in GS. Four doses of magnetite nanoparticles from 0.075 to 1 g/L recovered the process in FS systems between 30 and 50 days relaying on the dose. The presence of nanomaterials helped to reverse the effect of volatile fatty acids inhibition and enabled microbial communities to recover but also favoured the development of certain microorganisms over others. In GS reactors, the methanogenic population changed from being mostly acetoclastic (Methanothrix soehngenii) to being dominated by hydrogenotrophic species (Methanobacterium beijingense). Nanomaterial amendment may serve as a preventative measure or provide an effective remedial solution for system recovery following overloading.
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Affiliation(s)
- Raquel Barrena
- GICOM Research Group Department of Chemical, Biological and Environmental Engineering, Universitat Autònoma de Barcelona Edifici Q, Carrer de les Sitges 08193 Bellaterra (Cerdanyola del Vallès), Barcelona, Spain.
| | - María Del Carmen Vargas-García
- Department of Biology and Geology, CITE II-B Universidad de Almería CEIMAR Marine Campus of International Excellence, 04120 Almería, Spain
| | - Paula Catacora-Padilla
- GICOM Research Group Department of Chemical, Biological and Environmental Engineering, Universitat Autònoma de Barcelona Edifici Q, Carrer de les Sitges 08193 Bellaterra (Cerdanyola del Vallès), Barcelona, Spain
| | - Teresa Gea
- GICOM Research Group Department of Chemical, Biological and Environmental Engineering, Universitat Autònoma de Barcelona Edifici Q, Carrer de les Sitges 08193 Bellaterra (Cerdanyola del Vallès), Barcelona, Spain
| | - Ahmad Abo Markeb
- GICOM Research Group Department of Chemical, Biological and Environmental Engineering, Universitat Autònoma de Barcelona Edifici Q, Carrer de les Sitges 08193 Bellaterra (Cerdanyola del Vallès), Barcelona, Spain
| | - Javier Moral-Vico
- GICOM Research Group Department of Chemical, Biological and Environmental Engineering, Universitat Autònoma de Barcelona Edifici Q, Carrer de les Sitges 08193 Bellaterra (Cerdanyola del Vallès), Barcelona, Spain
| | - Antoni Sánchez
- GICOM Research Group Department of Chemical, Biological and Environmental Engineering, Universitat Autònoma de Barcelona Edifici Q, Carrer de les Sitges 08193 Bellaterra (Cerdanyola del Vallès), Barcelona, Spain
| | - Xavier Font
- GICOM Research Group Department of Chemical, Biological and Environmental Engineering, Universitat Autònoma de Barcelona Edifici Q, Carrer de les Sitges 08193 Bellaterra (Cerdanyola del Vallès), Barcelona, Spain
| | - Thomas J Aspray
- School of Energy, Geoscience, Infrastructure and Society, Heriot-Watt University, Edinburgh EH14 4AS, Scotland, UK; Solidsense Ltd, Bearsden, East Dunbartonshire G61 3BA, Scotland, UK
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5
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García AC, Moral-Vico J, Abo Markeb A, Sánchez A. Conversion of Carbon Dioxide into Methanol Using Cu–Zn Nanostructured Materials as Catalysts. Nanomaterials 2022; 12:nano12060999. [PMID: 35335812 PMCID: PMC8950516 DOI: 10.3390/nano12060999] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Revised: 03/14/2022] [Accepted: 03/16/2022] [Indexed: 12/16/2022]
Abstract
Nowadays, there is a growing awareness of the great environmental impact caused by the enormous amounts of carbon dioxide emitted. Several alternatives exist to solve this problem, and one of them is the hydrogenation of carbon dioxide into methanol by using nanomaterials as catalysts. The aim of this alternative is to produce a value-added chemical, such as methanol, which is a cheaply available feedstock. The development of improved materials for this conversion reaction and a deeper study of the existing ones are important for obtaining higher efficiencies in terms of yield, conversion, and methanol selectivity, in addition to allowing milder reaction conditions in terms of pressure and temperature. In this work, the performance of copper, zinc, and zinc oxide nanoparticles in supported and unsupported bimetallic systems is evaluated in order to establish a comparison among the different materials according to their efficiency. For that, a packed bed reactor operating with a continuous gas flow is used. The obtained results indicate that the use of bimetallic systems combined with porous supports, such as zeolite and activated carbon, is beneficial, thus improving the performance of unsupported materials by four times.
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Affiliation(s)
- Anna Carrasco García
- Departament of Chemical, Biological and Environmental Engineering, Escola d’Enginyeria, Universitat Autònoma de Barcelona, 08193 Cerdanyola del Vallès, Barcelona, Spain; (A.C.G.); (A.A.M.); (A.S.)
| | - Javier Moral-Vico
- Departament of Chemical, Biological and Environmental Engineering, Escola d’Enginyeria, Universitat Autònoma de Barcelona, 08193 Cerdanyola del Vallès, Barcelona, Spain; (A.C.G.); (A.A.M.); (A.S.)
- Correspondence:
| | - Ahmad Abo Markeb
- Departament of Chemical, Biological and Environmental Engineering, Escola d’Enginyeria, Universitat Autònoma de Barcelona, 08193 Cerdanyola del Vallès, Barcelona, Spain; (A.C.G.); (A.A.M.); (A.S.)
- Departament of Chemistry, Faculty of Science, Assiut University, Assiut 71516, Egypt
| | - Antoni Sánchez
- Departament of Chemical, Biological and Environmental Engineering, Escola d’Enginyeria, Universitat Autònoma de Barcelona, 08193 Cerdanyola del Vallès, Barcelona, Spain; (A.C.G.); (A.A.M.); (A.S.)
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6
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Hozien Z, EL-Mahdy AFM, Ali LSA, Markeb AA, El-Sherief HAH. One-Pot Synthesis of Some New s-Triazole Derivatives and Their Potential Application for Water Decontamination. ACS Omega 2021; 6:25574-25584. [PMID: 34632214 PMCID: PMC8495878 DOI: 10.1021/acsomega.1c03675] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Accepted: 09/10/2021] [Indexed: 05/15/2023]
Abstract
A rapid, efficient, and one-pot protocol has been developed for the synthesis of cyclized 2,6-dimethyl-5-substituted-thiazolo[3,2-b]-s-triazoles (3a-c) through the interaction of 5-methyl-1H-s-triazole-3-thiol (1) with aliphatic ketones (2a-d) in refluxing acetic acid in the presence of a catalytic amount of sulfuric acid (AcOH/H+) while with aromatic ketones (5a-d), a mixture of uncyclized 3-methyl-s-triazolylthioacetophenone derivatives (6a-d) and cyclized 6-aryl-2-methyl-thiazolo[3,2-b]-s-triazoles (7a-d) has been produced. With this catalytic system, inexpensive sulfuric acid was utilized as a catalyst, which prevented the production of poisonous and irritating halo carbonyl compounds. On the other hand, the interaction of s-triazole 1 with cyano compounds (9a,b) afforded the corresponding 6-amino-2-methyl-5-substituted-thiazolo[3,2-b]-s-triazoles (10a,b). Similarly, treatment of 4-amino-3-methyl-s-triazole-5-thiol (12) with aliphatic and aromatic ketones (2c and 5a-e) afforded directly 3-methyl-7H-s-triazolo[3,4-b]-1,3,4-thiadiazines (13a and 14a-e). Further, reaction of 12 with cyano compounds (9a,b) under the same reaction conditions yielded the corresponding 3-methyl-s-triazolo[3,4-b]-1,3,4-thiadiazole derivatives (15a,b). The reaction mechanism was studied, and the structures of all novel compounds were verified using spectroscopy and elemental analysis. Moreover, the potential application of the synthesized compounds toward heavy metal ions and inorganic anion removal from aqueous solution has been investigated. The removal effectiveness for metal ions reached up to 76.29%, while for inorganic anions it reached up to 100%, indicating that such synthesized compounds are promising adsorbents for water remediation.
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Affiliation(s)
- Zeinab
A. Hozien
- Chemistry
Department, Faculty of Science, Assiut University, Assiut 71516, Egypt
| | - Ahmed F. M. EL-Mahdy
- Chemistry
Department, Faculty of Science, Assiut University, Assiut 71516, Egypt
- Department
of Materials and Optoelectronic Science, National Sun Yat-Sen University, Kaohsiung 80424, Taiwan
| | - Laila S. A. Ali
- Chemistry
Department, Faculty of Science, Assiut University, Assiut 71516, Egypt
| | - Ahmad Abo Markeb
- Chemistry
Department, Faculty of Science, Assiut University, Assiut 71516, Egypt
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7
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Mahmoud Amer E, Saber SH, Abo Markeb A, Elkhawaga AA, Mekhemer IMA, Zohri ANA, Abujamel TS, Harakeh S, Abd-Allah EA. Enhancement of β-Glucan Biological Activity Using a Modified Acid-Base Extraction Method from Saccharomyces cerevisiae. Molecules 2021; 26:2113. [PMID: 33917024 PMCID: PMC8067753 DOI: 10.3390/molecules26082113] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 03/12/2021] [Accepted: 03/19/2021] [Indexed: 12/12/2022] Open
Abstract
Beta glucan (β-glucan) has promising bioactive properties. Consequently, the use of β-glucan as a food additive is favored with the dual-purpose potential of increasing the fiber content of food products and enhancing their health properties. Our aim was to evaluate the biological activity of β-glucan (antimicrobial, antitoxic, immunostimulatory, and anticancer) extracted from Saccharomyces cerevisiae using a modified acid-base extraction method. The results demonstrated that a modified acid-base extraction method gives a higher biological efficacy of β-glucan than in the water extraction method. Using 0.5 mg dry weight of acid-base extracted β-glucan (AB extracted) not only succeeded in removing 100% of aflatoxins, but also had a promising antimicrobial activity against multidrug-resistant bacteria, fungi, and yeast, with minimum inhibitory concentrations (MIC) of 0.39 and 0.19 mg/mL in the case of resistant Staphylococcus aureus (MRSA) and Pseudomonas aeruginosa, respectively. In addition, AB extract exhibited a positive immunomodulatory effect, mediated through the high induction of TNFα, IL-6, IFN-γ, and IL-2. Moreover, AB extract showed a greater anticancer effect against A549, MDA-MB-232, and HepG-2 cells compared to WI-38 cells, at high concentrations. By studying the cell death mechanism using flow-cytometry, AB extract was shown to induce apoptotic cell death at higher concentrations, as in the case of MDA-MB-231 and HePG-2 cells. In conclusion, the use of a modified AB for β-glucan from Saccharomyces cerevisiae exerted a promising antimicrobial, immunomodulatory efficacy, and anti-cancer potential. Future research should focus on evaluating β-glucan in various biological systems and elucidating the underlying mechanism of action.
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Affiliation(s)
- Enas Mahmoud Amer
- Botany and Microbiology Department, Faculty of Science, Assiut University, Assiut 71515, Egypt; (E.M.A.); (A.-N.A.Z.)
| | - Saber H. Saber
- Laboratory of Molecular Cell Biology, Department of Zoology, Faculty of Science, Assiut University, Assiut 71515, Egypt;
| | - Ahmad Abo Markeb
- Chemistry Department, Faculty of Science, Assiut University, Assiut 71515, Egypt; (A.A.M.); (I.M.A.M.)
| | - Amal A. Elkhawaga
- Medical Microbiology and Immunology Department, Faculty of Medicine, Assiut University, Assiut 71515, Egypt;
| | - Islam M. A. Mekhemer
- Chemistry Department, Faculty of Science, Assiut University, Assiut 71515, Egypt; (A.A.M.); (I.M.A.M.)
| | - Abdel-Naser A. Zohri
- Botany and Microbiology Department, Faculty of Science, Assiut University, Assiut 71515, Egypt; (E.M.A.); (A.-N.A.Z.)
| | - Turki S. Abujamel
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center (KFMRC), King Abdulaziz University (KAU), Jeddah 21589, Saudi Arabia;
- Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King Abdulaziz University (KAU), Jeddah 21589, Saudi Arabia
| | - Steve Harakeh
- Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King Abdulaziz University (KAU), Jeddah 21589, Saudi Arabia
- Special Infectious Agents Unit, King Fahd Medical Research Center and Yousef Abdullatif Jameel Chair of Prophetic Medicine Application, Faculty of Medicine, King Abdulaziz University (KAU), Jeddah 21589, Saudi Arabia
| | - Elham A. Abd-Allah
- Zoology Department, Faculty of Science, New Valley University, El-Kharga 72511, Egypt;
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Hozien ZA, EL-Mahdy AFM, Abo Markeb A, Ali LSA, El-Sherief HAH. Synthesis of Schiff and Mannich bases of news-triazole derivatives and their potential applications for removal of heavy metals from aqueous solution and as antimicrobial agents. RSC Adv 2020; 10:20184-20194. [PMID: 35520399 PMCID: PMC9054247 DOI: 10.1039/d0ra02872j] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2020] [Accepted: 05/09/2020] [Indexed: 11/21/2022] Open
Abstract
An efficient synthesis of Schiff and Mannich bases of news-triazole derivatives under mild conditions has been developed for the removal of Pb2+, Cd2+, Ca2+, and Mg2+from aqueous solutions and as antimicrobial agents.
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Affiliation(s)
| | - Ahmed F. M. EL-Mahdy
- Chemistry Department
- Faculty of Science
- Assiut University
- Egypt
- Department of Materials and Optoelectronic Science
| | | | - Laila S. A. Ali
- Chemistry Department
- Faculty of Science
- Assiut University
- Egypt
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9
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Mijatovic V, Othman ER, Khashbah MY, Abdelaal II, Markeb AA, Fetih AN, Lambalk C. Markers of local and systemic estrogen metabolism in endometriosis. Fertil Steril 2019. [DOI: 10.1016/j.fertnstert.2019.07.928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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10
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Abo Markeb A, Llimós-Turet J, Ferrer I, Blánquez P, Alonso A, Sánchez A, Moral-Vico J, Font X. The use of magnetic iron oxide based nanoparticles to improve microalgae harvesting in real wastewater. Water Res 2019; 159:490-500. [PMID: 31128473 DOI: 10.1016/j.watres.2019.05.023] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/24/2018] [Revised: 04/20/2019] [Accepted: 05/06/2019] [Indexed: 06/09/2023]
Abstract
A novel approach for harvesting Scenedesmus sp. microalgae from real wastewater by using adsorbents of magnetite-based nanoparticles (Fe3O4 NPs) was tested in this study for the first time for this microalgae. Using these NPs, the harvesting efficiency was even higher than 95%. The optimal conditions (0.14 gNPs/L, a short magnetic separation time of only 8 min and 27 min of contact time) were found using the response surface methodology. The best fitting of the adsorption equilibrium results was achieved by the Langmuir isotherm model, and the maximum adsorption capacity for Scenedesmus sp. reached 3.49 g dry cell weight (DCW)/g Fe3O4 NPs. Zeta potential measurements and the Dubinin-Radushkevich isotherm model analysis pointed out that the main adsorption mechanism between Scenedesmus sp. cells and Fe3O4 NPs was electrostatic interaction. Finally, Fe3O4 NPs were six times successfully reused by combining an alkaline treatment with an ultrasonication process, which implies microalgae lysis. The results herein obtained highlight the potential for magnetic separation of microalgae from wastewater, which is capable of reaching a high harvesting efficiency in a very short time.
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Affiliation(s)
- Ahmad Abo Markeb
- Departament of Chemical, Biological and Environmental Engineering, Escola d'Enginyeria, Universitat Autònoma de Barcelona, 08193, Bellaterra, Spain; Departament of Chemistry, Faculty of Science, Assiut University, 71516, Assiut, Egypt
| | - Jordi Llimós-Turet
- Departament of Chemical, Biological and Environmental Engineering, Escola d'Enginyeria, Universitat Autònoma de Barcelona, 08193, Bellaterra, Spain
| | - Ivet Ferrer
- GEMMA - Group of Environmental Engineering and Microbiology, Department of Civil and Environmental Engineering, Universitat Politècnica de Catalunya-BarcelonaTech, c/Jordi Girona 1-3, Building D1, E-08034, Barcelona, Spain
| | - Paqui Blánquez
- Departament of Chemical, Biological and Environmental Engineering, Escola d'Enginyeria, Universitat Autònoma de Barcelona, 08193, Bellaterra, Spain
| | - Amanda Alonso
- Departament of Chemical, Biological and Environmental Engineering, Escola d'Enginyeria, Universitat Autònoma de Barcelona, 08193, Bellaterra, Spain
| | - Antoni Sánchez
- Departament of Chemical, Biological and Environmental Engineering, Escola d'Enginyeria, Universitat Autònoma de Barcelona, 08193, Bellaterra, Spain
| | - Javier Moral-Vico
- Departament of Chemical, Biological and Environmental Engineering, Escola d'Enginyeria, Universitat Autònoma de Barcelona, 08193, Bellaterra, Spain.
| | - Xavier Font
- Departament of Chemical, Biological and Environmental Engineering, Escola d'Enginyeria, Universitat Autònoma de Barcelona, 08193, Bellaterra, Spain
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11
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Pavoski G, Kalikoski R, Souza G, Brum LFW, Santos CD, Markeb AA, Santos JHZD, Font X, dell'Erba I, Galland GB. Corrigendum to: "Synthesis of polyethylene/silica-silver nanocomposites with antibacterial properties by in situ polymerization" [European Polymer Journal 106 (2018) 92–101]. Eur Polym J 2019. [DOI: 10.1016/j.eurpolymj.2019.01.055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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12
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Pavoski G, Kalikoski R, Souza G, Brum LFW, dos Santos C, Abo Markeb A, dos Santos JHZ, Font X, dell'Erba I, Galland GB. Synthesis of polyethylene/silica-silver nanocomposites with antibacterial properties by in situ polymerization. Eur Polym J 2018. [DOI: 10.1016/j.eurpolymj.2018.07.011] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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13
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Abo Markeb A, Alonso A, Sánchez A, Font X. Adsorption process of fluoride from drinking water with magnetic core-shell Ce-Ti@Fe 3O 4 and Ce-Ti oxide nanoparticles. Sci Total Environ 2017; 598:949-958. [PMID: 28468121 DOI: 10.1016/j.scitotenv.2017.04.191] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2016] [Revised: 04/22/2017] [Accepted: 04/25/2017] [Indexed: 05/28/2023]
Abstract
Synthesized magnetic core-shell Ce-Ti@Fe3O4 nanoparticles were tested, as an adsorbent, for fluoride removal and the adsorption studies were optimized. Adsorption capacity was compared with the synthesized Ce-Ti oxide nanoparticles. The adsorption equilibrium for the Ce-Ti@Fe3O4 adsorbent was found to occur in <15min and it was demonstrated to be stable and efficient in a wide pH range of 5-11 with high fluoride removal efficiency over 80% of all cases. Furthermore, isotherm data were fitted using Langmuir and Freundlich models, and the adsorption capacities resulted in 44.37 and 91.04mg/g, at pH7, for Ce-Ti oxides and Ce-Ti@Fe3O4 nanoparticles, respectively. The physical sorption mechanism was estimated using the Dubinin-Radushkevich model. An anionic exchange process between the OH- group on the surface of the Ce-Ti@Fe3O4 nanomaterial and the F- was involved in the adsorption. Moreover, thermodynamic parameters proved the spontaneous process for the adsorption of fluoride on Ce-Ti@Fe3O4 nanoparticles. The reusability of the material through magnetic recovery was demonstrated for five cycles of adsorption-desorption. Although the nanoparticles suffer slight structure modifications after their reusability, they keep their adsorption capacity. Likewise, the efficiency of the Ce-Ti@Fe3O4 was demonstrated when applied to real water to obtain a residual concentration of F- below the maximum contaminated level, 1.5mg/L (WHO, 2006).
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Affiliation(s)
- Ahmad Abo Markeb
- Department of Chemical, Biological and Environmental Engineering, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Amanda Alonso
- Department of Chemical, Biological and Environmental Engineering, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain.
| | - Antoni Sánchez
- Department of Chemical, Biological and Environmental Engineering, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Xavier Font
- Department of Chemical, Biological and Environmental Engineering, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
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Alonso A, Moral-Vico J, Abo Markeb A, Busquets-Fité M, Komilis D, Puntes V, Sánchez A, Font X. Critical review of existing nanomaterial adsorbents to capture carbon dioxide and methane. Sci Total Environ 2017; 595:51-62. [PMID: 28376428 DOI: 10.1016/j.scitotenv.2017.03.229] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2017] [Revised: 03/24/2017] [Accepted: 03/25/2017] [Indexed: 06/07/2023]
Abstract
Innovative gas capture technologies with the objective to mitigate CO2 and CH4 emissions are discussed in this review. Emphasis is given on the use of nanoparticles (NP) as sorbents of CO2 and CH4, which are the two most important global warming gases. The existing NP sorption processes must overcome certain challenges before their implementation to the industrial scale. These are: i) the utilization of the concentrated gas stream generated by the capture and gas purification technologies, ii) the reduction of the effects of impurities on the operating system, iii) the scale up of the relevant materials, and iv) the retrofitting of technologies in existing facilities. Thus, an innovative design of adsorbents could possibly address those issues. Biogas purification and CH4 storage would become a new motivation for the development of new sorbent materials, such as nanomaterials. This review discusses the current state of the art on the use of novel nanomaterials as adsorbents for CO2 and CH4. The review shows that materials based on porous supports that are modified with amine or metals are currently providing the most promising results. The Fe3O4-graphene and the MOF-117 based NPs show the greatest CO2 sorption capacities, due to their high thermal stability and high porosity. Conclusively, one of the main challenges would be to decrease the cost of capture and to scale-up the technologies to minimize large-scale power plant CO2 emissions.
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Affiliation(s)
- Amanda Alonso
- Department of Chemical, Biological and Environmental Engineering, Escola d'Enginyeria, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain.
| | - J Moral-Vico
- Department of Chemical, Biological and Environmental Engineering, Escola d'Enginyeria, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Ahmad Abo Markeb
- Department of Chemical, Biological and Environmental Engineering, Escola d'Enginyeria, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | | | - Dimitrios Komilis
- Department of Chemical, Biological and Environmental Engineering, Escola d'Enginyeria, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain; Department of Environmental Engineering, Democritus University of Thrace, Xanthi 67132, Greece
| | - Victor Puntes
- Institut Català de Nanotecnologia (ICN), Campus de la UAB, 08193 Bellaterra, Spain; Institució Catalana de Recerca i EstudisAvançats (ICREA), Passeig Lluís Companys, 23, 08010 Barcelona, Spain
| | - Antoni Sánchez
- Department of Chemical, Biological and Environmental Engineering, Escola d'Enginyeria, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Xavier Font
- Department of Chemical, Biological and Environmental Engineering, Escola d'Enginyeria, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
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Abo Markeb A, Alonso A, Dorado AD, Sánchez A, Font X. Phosphate removal and recovery from water using nanocomposite of immobilized magnetite nanoparticles on cationic polymer. Environ Technol 2016; 37:2099-2112. [PMID: 26849360 DOI: 10.1080/09593330.2016.1141999] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
A novel nanocomposite (NC) based on magnetite nanoparticles (Fe3O4-NPs) immobilized on the surface of a cationic exchange polymer, C100, using a modification of the co-precipitation method was developed to obtain magnetic NCs for phosphate removal and recovery from water. High-resolution transmission electron microscopy-energy-dispersive spectroscopy, scanning electron microscopy , X-ray diffraction, and inductively coupled plasma optical emission spectrometry were used to characterize the NCs. Continuous adsorption process by the so-called breakthrough curves was used to determine the adsorption capacity of the Fe3O4-based NC. The adsorption capacity conditions were studied under different conditions (pH, phosphate concentration, and concentration of nanoparticles). The optimum concentration of iron in the NC for phosphate removal was 23.59 mgFe/gNC. The sorption isotherms of this material were performed at pH 5 and 7. Taking into account the real application of this novel material in real water, the experiments were performed at pH 7, achieving an adsorption capacity higher than 4.9 mgPO4-P/gNC. Moreover, Freundlich, Langmuir, and a combination of them fit the experimental data and were used for interpreting the influence of pH on the sorption and the adsorption mechanism for this novel material. Furthermore, regeneration and reusability of the NC were tested, obtaining 97.5% recovery of phosphate for the first cycle, and at least seven cycles of adsorption-desorption were carried out with more than 40% of recovery. Thus, this work described a novel magnetic nanoadsorbent with properties for phosphate recovery in wastewater.
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Affiliation(s)
- Ahmad Abo Markeb
- a Department of Chemical, Biological and Environmental Engineering , Escola d'Enginyeria, Universitat Autònoma de Barcelona , Bellaterra , Spain
| | - Amanda Alonso
- a Department of Chemical, Biological and Environmental Engineering , Escola d'Enginyeria, Universitat Autònoma de Barcelona , Bellaterra , Spain
| | - Antonio David Dorado
- b Department of Mining Engineering and Natural Resources , Universitat Politècnica de Catalunya , Barcelona , Spain
| | - Antoni Sánchez
- a Department of Chemical, Biological and Environmental Engineering , Escola d'Enginyeria, Universitat Autònoma de Barcelona , Bellaterra , Spain
| | - Xavier Font
- a Department of Chemical, Biological and Environmental Engineering , Escola d'Enginyeria, Universitat Autònoma de Barcelona , Bellaterra , Spain
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