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Sánchez-Silva JM, Ojeda-Galván HJ, Villabona-Leal EG, Labrada-Delgado GJ, Aguilar-Maruri SA, Fuentes-Ramírez R, González-Ortega O, López-Ramón MV, Ocampo-Pérez R. Synergistic photocatalysis of a hydrochar/CeO 2 composite for dye degradation under visible light. Environ Sci Pollut Res Int 2024; 31:16453-16472. [PMID: 38321273 DOI: 10.1007/s11356-024-32281-6] [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] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Accepted: 01/27/2024] [Indexed: 02/08/2024]
Abstract
The synthesis and characterization of a hydrochar/CeO2 composite along with its evaluation in methylene blue degradation under visible light are presented. The methodology consisted of a single-pass hydrothermal method, having as synthesis conditions 9 h of reaction time, 210 °C, autogenous pressure, and a biomass/CeO2 ratio of 100:1. The composite characterization revealed good dispersion of CeO2 in the carbonaceous matrix and significant synergy in the composite activation using visible irradiation. The photodegradation experiments showed an efficiency of 98% for white LED light, 91% for UV light, 96% for solar irradiation, and 85% for blue LED light using as conditions pH 7.0, 50 mg of composite, 50 mL of solution, 10 mg/L of dye initial concentration, and 120 min of contact time. Meanwhile, the reusability experiments evidenced a reuse capacity of up to five times with a constant photodegradation efficiency (99%); moreover, it was determined that the presence of electrolytes at pH below 7.0 during degradation negatively affected methylene blue degradation. Finally, the results of this work demonstrate that the hydrochar/CeO2 composite can be synthesized by a green method and used for the efficient treatment of water contaminated with methylene blue.
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Affiliation(s)
- Jonathan Michel Sánchez-Silva
- Centro de Investigación y Estudios de Posgrado, Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, 78260, San Luis Potosí, Mexico
| | - Hiram Joazet Ojeda-Galván
- Centro de Investigación en Ciencias de la Salud y Biomedicina (CICSAB), Universidad Autónoma de San Luis Potosí, 78210, San Luis Potosí, Mexico
| | - Edgar Giovanny Villabona-Leal
- Centro de Investigación en Ciencias de la Salud y Biomedicina (CICSAB), Universidad Autónoma de San Luis Potosí, 78210, San Luis Potosí, Mexico
| | | | - Saul Alejandro Aguilar-Maruri
- Centro de Investigación y Estudios de Posgrado, Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, 78260, San Luis Potosí, Mexico
| | | | - Omar González-Ortega
- Centro de Investigación y Estudios de Posgrado, Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, 78260, San Luis Potosí, Mexico
- Centro de Investigación en Ciencias de la Salud y Biomedicina (CICSAB), Universidad Autónoma de San Luis Potosí, 78210, San Luis Potosí, Mexico
| | - María Victoria López-Ramón
- Departamento de Química Inorgánica y Orgánica, Facultad de Ciencias Experimentales, Universidad de Jaén, 23071, Jaén, Spain
| | - Raúl Ocampo-Pérez
- Centro de Investigación y Estudios de Posgrado, Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, 78260, San Luis Potosí, Mexico.
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Pacheco-Álvarez M, Fuentes-Ramírez R, Brillas E, Peralta-Hernández JM. Assessing the electrochemical degradation of reactive orange 84 with Ti/IrO 2-SnO 2-Sb 2O 5 anode using electrochemical oxidation, electro-Fenton, and photoelectro-Fenton under UVA irradiation. Chemosphere 2023; 339:139666. [PMID: 37532204 DOI: 10.1016/j.chemosphere.2023.139666] [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] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 07/25/2023] [Accepted: 07/26/2023] [Indexed: 08/04/2023]
Abstract
Today, water shortage problems around the world have forced the search for new treatment alternatives, in this context, electrochemical oxidation technology is a hopeful process for wastewater treatment, although it is still needed exploration of new efficient and economically viable electrode materials. In this way, mixed metal oxide anodes look like promising alternatives but their preparation is still a significant point to study, searching for finding low-cost materials to improve electrocatalytic efficiencies. In an exploration of this kind of highly efficient materials, this work presents the results obtained using an MMO Ti/IrO2-SnO2-Sb2O5 anode. All the prepared anodes exhibited excellent physical and electrochemical properties. The electrochemical oxidation of 100 mL and 200 mg L-1 Reactive Orange 84 (RO 84) diazo dye was studied using 3 cm2 of such synthesized anodes by applying current densities of 25, 50, and 100 mA cm-2. Faster and more efficient electrochemical oxidation occurred at 100 mA cm-2 with 50 mM of Na2SO4 + 10 mM NaCl as supporting electrolyte at pH 3.0. The degradation and mineralization processes of the above solution were enhanced with the electro-Fenton process with 0.05 mM Fe2+ and upgraded using photoelectron-Fenton with UVA light. This process yielded 91% COD decay with a low energy consumption of 0.1137 kWh (g COD)-1 at 60 min. The evolution of a final carboxylic acid like oxalic was followed by HPLC analysis. The Ti/IrO2-SnO2-Sb2O5 is then an efficient and low-cost anode for the photoelectro-Fenton treatment of RO 84 in a chloride and sulfate media.
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Affiliation(s)
- Martin Pacheco-Álvarez
- Departamento de Química, División de Ciencias Naturales y Exactas, Universidad de Guanajuato, Cerro de La Venada S/n, Pueblito de Rocha, 36040, Guanajuato, Mexico
| | - Rosalba Fuentes-Ramírez
- Departamento de Ingeniería Química, División de Ciencias Naturales y Exactas, Universidad de Guanajuato, Noria Alta S/n, 36050, Guanajuato, Mexico
| | - Enric Brillas
- Laboratori D'Electroquímica Dels Materials I Del Medi Ambient, Secció de Química Física, Facultat de Química, Universitat de Barcelona, Martí I Franquès 1-11, Barcelona, CP 08028, Spain
| | - Juan M Peralta-Hernández
- Departamento de Química, División de Ciencias Naturales y Exactas, Universidad de Guanajuato, Cerro de La Venada S/n, Pueblito de Rocha, 36040, Guanajuato, Mexico.
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Contreras-López D, Fuentes-Ramírez R, Albores-Velasco M, de los Santos-Villarreal G, Saldívar-Guerra E. Synthesis and characterization of isoprene polymers with polar groups via reversible addition-fragmentation chain-transfer polymerization. ACTA ACUST UNITED AC 2018. [DOI: 10.1002/pola.29221] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- David Contreras-López
- División de Ciencias Naturales y Exactas, Depto. de Ingeniería Química; Universidad de Guanajuato; Guanajuato Gto. Mexico
| | - Rosalba Fuentes-Ramírez
- División de Ciencias Naturales y Exactas, Depto. de Ingeniería Química; Universidad de Guanajuato; Guanajuato Gto. Mexico
| | - Martha Albores-Velasco
- Facultad de Química; Universidad Nacional Autónoma de México, Circuito Interior, Ciudad Universitaria; México D.F. Mexico
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Ibarra-Sánchez JJ, Fuentes-Ramírez R, Reyes-Aguilera JA, Figueroa-Gerstenmaier S, Orrantia-Borunda E, Concha-Guerrero SI, de la Rosa G. Kinetics for an Optimized Biosynthesis of Silver Nanoparticles Using Alfalfa Extracts. International Journal of Chemical Reactor Engineering 2015. [DOI: 10.1515/ijcre-2014-0149] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Abstract
In recent years, great efforts have been directed to provide eco-friendly methods for nanoparticles (NPs) synthesis. In this endeavor, it is desired that polydispersity be as narrow as possible and that the chemical and physical properties can be controlled. In this work, silver nanoparticles (SNPs) were obtained by means of (a) a green approach (biosynthesis) using alfalfa extracts; and (b) a thermal decomposition method in organic media. As per biosynthesis, pH, initial concentration of precursor (Ag+) and extraction solvent of plant metabolites were varied in order to identify the conditions where SNP polydispersity presented a best value. When these conditions were determined, the reaction kinetics was evaluated. The rate constant and order of reaction were 7.33×10−6 L3.6/mol3.6 s, and 4.6, respectively. Also, in the biosynthesis, it was found that the size and the degree of polydispersity depend on initial concentration of precursor and the type of extractant. Thermal decomposition was performed using silver oleate as precursor in order to compare characteristics of the NPs obtained by both biosynthesis and the chemical method. According to our results, SNPs obtained through thermal decomposition showed a lower polydispersity and higher degree of crystallinity than those obtained using biosynthesis. However, the green method eliminates the use of toxic compounds, which is extremely important if these particles are intended for biomedical purposes. In addition, this is a less expensive method as compared to other chemical methods. To our knowledge, this is one of the few reports analyzing the reaction kinetics, which is extremely important if scale-up is intended.
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Baltazar-Vera J, Fuentes-Ramírez R, Bustos E, Carreño-Aguilera G, Manríquez J. Disperse red 1 and reactive red 2 – modified nanoparticulate TiO2 films as photoanodes for studying photovoltaic properties of textile azo dyes. J Photochem Photobiol A Chem 2015. [DOI: 10.1016/j.jphotochem.2015.04.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Cerdán-Pasarán A, López-Luke T, Esparza D, Zarazúa I, De la Rosa E, Fuentes-Ramírez R, Alatorre-Ordaz A, Sánchez-Solís A, Torres-Castro A, Zhang JZ. Photovoltaic properties of multilayered quantum dot/quantum rod-sensitized TiO2 solar cells fabricated by SILAR and electrophoresis. Phys Chem Chem Phys 2015; 17:18590-9. [DOI: 10.1039/c5cp02541a] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
A multilayered semiconductor sensitizer structure composed of three differently sized CdSe quantum rods and CdS quantum dots.
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Affiliation(s)
- Andrea Cerdán-Pasarán
- Centro de Investigaciones en Óptica
- León
- Mexico
- Universidad de Guanajuato
- Campus Guanajuato
| | | | | | - Isaac Zarazúa
- Centro de Investigaciones en Óptica
- León
- Mexico
- Photovoltaic and Optoelectronic Devices Group
- Departament de Física
| | | | - Rosalba Fuentes-Ramírez
- Universidad de Guanajuato
- Campus Guanajuato
- División de Ciencias Naturales y Exactas
- Guanajuato
- Mexico
| | - Alejandro Alatorre-Ordaz
- Universidad de Guanajuato
- Campus Guanajuato
- División de Ciencias Naturales y Exactas
- Guanajuato
- Mexico
| | | | | | - Jin Z. Zhang
- Department of Chemistry and Biochemistry
- University of California
- Santa Cruz
- USA
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De la Rosa G, Martínez A, Castillo H, Fuentes-Ramírez R, Gardea-Torresdey J. Comprendiendo los mecanismos de hiperacumulación de Cd en S. kali, una planta del desierto. NS 2014. [DOI: 10.21640/ns.v1i2.231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Salsola kali, una planta desértica, ha sido propuesta como un potencial hiperacumulador de Cd. Estudios de espectroscopía de Rayos-X han mostrado que compuestos conteniendo oxígeno y grupos tiol están involucrados en la absorción de Cd en esta planta. Por ello se ha planteado que algunos ácidos orgánicos, pared celular, fitoquelatinas y otros compuestos conteniendo glutatión, pueden estar relacionados con los mecanismos de hiperacumulación de Cd en S. kali. En esta investigación se expusieron plantas silvestres a diferentes concentraciones de Cd para determinar el contenido de este metal en el xilema y floema, así como en fracciones proteínicas. Adicionalmente, extractos de las plantas se analizaron mediante cromatografía líquida a alta presión para identificar y cuantificar ácidos orgánicos. Las plantas se trataron con 0, 20, 200 y 400 mg Cd L-1 por 48 h en hidroponia. La incorporación de Cd se midió por separado en raíces, floema y xilema. Se encontró que en plantas tratadas con concentraciones de Cd por encima de los 200 mg Cd L-1, el contenido de Cd fue mayor en el floema que en el xilema. El perfil proteínico (SDS-PAGE) mostró que en plantas tratadas con Cd se incrementa la presencia de dos péptidos y se expresa uno nuevo. Después de una filtración en gel G25 y codeterminación de Cd, se encontró que es muy probable que dos proteínas (de 29 kDa y 14 kDa) estén asociadas al Cd. El uso de primers degenerados de la familia Brassica permitió la identificación de un posible gen de la fitoquelatin sintasa. Los ácidos cítrico y oxálico fueron identificados en los extractos de las plantas. No se encontraron diferencias significativas entre las concentraciones de ácido cítrico en plantas control y en aquellas tratadas con Cd. Por otro lado, la cantidad de ácido oxálico en plantas expuestas a Cd fue significativamente menor que en las plantas control. Estos datos pueden indicar que el Cd pudo haber precipitado como cristales de oxalato. Los resultados reportados aquí serán útiles para entender a mayor profundidad los mecanismos de hiperacumulación de Cd en S. kali.
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Carrera-Cerritos R, Ponce de León C, Ledesma-García J, Fuentes-Ramírez R, Arriaga LG. Full factorial design applied to the synthesis of Pd–Ag nanobars by the polyol method and the perspective for ethanol oxidation. RSC Adv 2014. [DOI: 10.1039/c4ra01263a] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Full factorial design methodology was applied for the first time to the synthesis and optimization of palladium–silver nanobars using the polyol process as reducer.
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Affiliation(s)
- R. Carrera-Cerritos
- Departamento de Ingeniería Química
- Universidad de Guanajuato
- Guanajuato, Gto, Mexico
| | - C. Ponce de León
- Electrochemical Engineering Laboratory
- Energy Technology Research Group
- University of Southampton
- Southampton, UK
| | - J. Ledesma-García
- Facultad de Ingeniería
- División de Investigación y Posgrado
- Universidad Autónoma de Querétaro
- Querétaro, Qro, Mexico
| | - R. Fuentes-Ramírez
- Departamento de Ingeniería Química
- Universidad de Guanajuato
- Guanajuato, Gto, Mexico
| | - L. G. Arriaga
- Centro de Investigación y Desarrollo Tecnológico en Electroquímica
- Qro, Mexico
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Ibarra-Sánchez JJ, Fuentes-Ramírez R, Roca AG, del Puerto Morales M, Cabrera-Lara LI. Key Parameters for Scaling up the Synthesis of Magnetite Nanoparticles in Organic Media: Stirring Rate and Growth Kinetic. Ind Eng Chem Res 2013. [DOI: 10.1021/ie403250p] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- José J. Ibarra-Sánchez
- Universidad de Guanajuato, Campus Guanajuato, Departamento
de Ingeniería Química, División de Ciencias Naturales
y Exactas, Noria Alta
s/n, 36050 Guanajuato, Mexico
| | - Rosalba Fuentes-Ramírez
- Universidad de Guanajuato, Campus Guanajuato, Departamento
de Ingeniería Química, División de Ciencias Naturales
y Exactas, Noria Alta
s/n, 36050 Guanajuato, Mexico
| | - Alejandro G. Roca
- Department
of Physics, The University of York, York YO10 5DD, United Kingdom
- Instituto de Ciencia de Materiales de Madrid, CSIC, Sor Juana Inés de la Cruz 3, Cantoblanco, 28049 Madrid, Spain
| | - Maria del Puerto Morales
- Instituto de Ciencia de Materiales de Madrid, CSIC, Sor Juana Inés de la Cruz 3, Cantoblanco, 28049 Madrid, Spain
| | - Lourdes I. Cabrera-Lara
- Instituto de Ciencia de Materiales de Madrid, CSIC, Sor Juana Inés de la Cruz 3, Cantoblanco, 28049 Madrid, Spain
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