Producción Científica
Proyectos
Development of novel metal organic frameworks-based nanocomposites for photocalytic oxidation of VOCs. FONDECYT Postdoctorado 3230258 (89.220.000 CLP). Universidad Católica de la Santísima Concepción. Abril 2023-Abril 2026. Postdoctorante: Bharathkumar Sivakumar, Institute of Science and Technology, Tamil Nadu, India. (Profesor Patrocinador)

Development of boron doped diamond electrodes modified with metallic and metal oxide nanoparticles for electrochemical reduction of CO2 through a Cannizzaro-type reaction. FONDECYT Postdoctorado 3230266 (89.220.000 CLP). Universidad Católica de la Santísima Concepción. Abril 2023-Abril 2026. Postdoctorante: Kaviyarasan Kulandaivelu, National Institute of Technology Tiruchirappalli, India. (Profesor Patrocinador)

Development of novel electrode materials based on m1m2tex/mn3o4/carbonaceous nanocomposite materials for hybrid supercapacitor energy storage device applications. FONDECYT Postdoctorado 3220176 (85.764.000 CLP). Universidad Católica de la Santísima Concepción. Abril 2022-Abril 2025. Postdoctorante: Annamalai Padmanaban, University of Madras, India. (Profesor Patrocinador)

Desarrollo de un prototipo de sistema de tratamiento integral de alta eficiencia para la remoción de arsénico del agua acoplado a un proceso de fotocatálisis para su estabilización y disposición segura para el medio ambiente. FONDEF D20i10153 (199.906.000 CLP). Universidad de Concepción. Universidad Católica de la Santísima Concepción. (Director Alterno)

Development of new functional nanocomposites based on graphene quantum dots supported metal/metal oxide nanoparticles for electrochemical biosensing of DNA/RNA molecules. FONDECYT Postdoctorado N° 3190256. Universidad Católica de la Santísima Concepción. 2019-Marzo. 2022. Postdoctorante: Vinoth Victor Lazaras, National Institute of Technology, Tiruchirappalli, India. (Profesor Patrocinador)

Low temperature photocatalytic oxidation of ethylene emissions from fruit warehouses and cold-storage facilities using hydrophobic zeolites doped with zinc and copper oxide nanoparticles under high relative humidity. FONDECYT Regular 1170694. (155.023.000 CLP). Universidad Católica de la Santísima Concepción. Abril 2017-Abril 2020. (Investigador responsable)

Eliminación de compuestos orgánicos volátiles azufrados (COVs-S) de plantas de fabricación de celulosa mediante un sistema híbrido de adsorción/oxidación con peróxido de hidrógeno y carbones activados. FONDECYT Postdoctorado N° 3150118 (74.447.400 CLP). Universidad Católica de la Santísima Concepción. 2014-Nov. 2017. Postdoctorante: Esther Vega Martínez, Universidad de Girona, España. (Profesor Patrocinador)

Low temperature removal of chlorinated volatile organic compounds based on the combined use of transition metal-exchanged Chilean natural zeolite and ozone as detoxification process. FONDECYT Regular 1130560. (141.956.000 CLP). Universidad Católica de la Santísima Concepción. 2013-Mar. 2016. (Investigador responsable)

Aplicación de zeolitas sintéticas francesas y zeolitas naturales chilenas para la eliminación de contaminantes orgánicos tóxicos en procesos de oxidación avanzada. Proyecto ECOS-CONICYT C11E08. Universidad Católica de la Santísima Concepción. Universidad de Concepción. Universidad de Toulouse. Enero 2012-Diciembre 2014. (Monto aprobado primer año 2.840.000 CLP) (Investigador Responsable)

Water and chemicals recovery from segregated kraft cellulose bleaching effluents using membrane separation and advanced electrooxidation processes. FONDECYT Regular 1100738. Universidad de Concepción. Universidad Católica de la Santísima Concepción. 2010-Mar. 2014. (Co-investigador)

Heterogeneous catalytic gas phase ozonation of vocs using chilean zeolite at low temperature. FONDECYT Regular 1090182. (100.262.000 CLP). Universidad Católica de la Santísima Concepción. 2009-Mar. 2012. (Investigador responsable)

Recuperación de agua y recursos químicos a partir de los efluentes segregados del blanqueo de celulosa kraft, mediante un sistema combinado de separación por membranas y procesos de electro-oxidación avanzada. Programa de financiamiento Basal, Centro Científico y Tecnológico de Excelencia (CCTE-UDT), Capital Semilla. Universidad de Concepción. Universidad Católica de la Santísima Concepción. 2009-Jun. 2010. (Co-investigador)

Ozonización catalítica de compuestos orgánicos tóxicos promovida por arenas volcánicas. FONDECYT 1060304. (54.222.000 CLP). Universidad Católica de la Santísima Concepción. 2006-Mar. 2009. (Investigador responsable)

Publicaciones
Ravi Aswini, Annamalai Padmanaban, Sankar Vigneshwaran, Hector Valdes, Saravana Vadivu Arunachalam. A Review on Versatile Nano-photocatalyst for Environmental Remediation: Carbon decorated bismuth-based nanomaterials. Nano-Structures & Nano-Objects. Volume 35, 2023, 100991. https://doi.org/10.1016/j.nanoso.2023.100991

Krishnamoorthy Shanmugaraj; Victor Vinoth; Nalandhiran Pugazhenthiran; Héctor Valdés; Christopher Salvo; Erwin Sepúlveda; Ramalinga Viswanathan Mangalaraja. Ferrihydrite−Graphene Oxide Foams as an Efficient Adsorbent for Arsenic(III) Removal from an Aqueous Solution. Inorganic Chemistry Communications. Volume 153, 2023, 110892 https://doi.org/10.1016/j.inoche.2023.110892 (Revista WoS, Scopus, Q2 impact factor: 3.428)

Norberto J. Abreu, Héctor Valdés, Claudio A. Zaror, Tatianne Ferreira de Oliveira, Federico Azzolina-Jury, Frédéric Thibault-Starzyk. Evidence of synergy effects between zinc and copper oxides with acidic sites on natural zeolite during photocatalytic oxidation of ethylene using operando DRIFTS studies. Catalysts (2023) 13, 610. https://doi.org/10.3390/catal13030610

Victor Vinoth; Reshma Kaimal; Muthamizh Selvamani; Rubina Michael; Nalandhiran Pugazhenthiran; Ramalinga Viswanathan Mangalaraja; Héctor Valdés; Sambandam Anandan.. Synergistic impact of nanoarchitectured GQDs-AgNCs(APTS) modified glassy carbon electrode in the electrochemical detection of guanine and adenine. Journal of Electroanalytical Chemistry, 934, 2023, 117302. https://doi.org/10.1016/j.jelechem.2023.117302

Johannes de Bruijn, Nicole Fuentes, Víctor Solar, Ana Valdebenito, Leslie Vidal, Pedro Melín, Francis Fagundes, Héctor Valdés. The effect of Visible Light on Postharvest Life of Tomatoes (Solanum lycopersicum L.). Horticulturae 2023, 9, 94. https://doi.org/10.3390/horticulturae9010094

Jeffrey Joseph J; Padmanaban A; Lawrence Daniel S; Senthil Pandian M; Ramasamy P; Héctor Valdés. Enhanced Photocatalytic Degradation of ZnTiO3/Polycarbazole (PCz) Composite Towards Toxic Azo Dye. Arab J Sci Eng (2023) 1-9. https://doi.org/10.1007/s13369-022-07570-2

Pugazhenthiran, S. Murugesan, P. Sathishkumar, S. Suresh, S. Karthick Kumar, M. Selvaraj, D. Contreras, H. Valdés, R.V. Mangalaraja. Silver Nanoparticles Modified ZnO Nanocatalysts for Effective Degradation of Ceftiofur Sodium under UV-vis Light Illumination. Chemosphere 313, February 2023, 137515. https://doi.org/10.1016/j.chemosphere.2022.137515 (Revista WoS, Scopus, Q1 impact factor: 8.943)

Padmanaban, S. Bharathkumar, T. Dhanasekaran, R. Manigandan, M. Senthil Pandiana, P. Ramasamya, D. Kathirvelu, Héctor Valdés. Investigation of Photo-/Electrocatalytic activity of Hydrothermal Synthesized Novel Copper ion-modulated Bifunctional NiTe2 Nanoflakes. Surfaces and Interfaces. Volume 32, August 2022, 102124. https://doi.org/10.1016/j.surfin.2022.102124 (Revista WoS, Scopus, Q2 impact factor IF: 4.837)

Ali Majdoub, Imane El Mrabet, Mohammed Majdoub, Héctor Valdés, Hicham Zaitan. In situ deposition of Ag nanoparticles onto PE/rGO hybrids for the Dip-catalytic hydrogenation of 4-nitrophenol into 4-aminophenol. International Journal of Environmental Analytical Chemistry. https://doi.org/10.1080/03067319.2022.2089034 (Revista WoS, Scopus, Q3 impact factor: 2.826)

Nalandhiran Pugazhenthiran, Héctor Valdés, Ramalinga V. Mangalaraja, Panneerselvam Sathishkumar, Sepperumal Murugesan. Graphene modified “black {001}TiO2” nanosheets for photocatalytic oxidation of ethylene: the implications of chemical surface characteristics in the reaction mechanism. Separation and Purification Technology 292, 2022, 121008 https://doi.org/10.1016/j.seppur.2022.121008 (Revista WoS, Scopus, Q1 impact factor: 5.774)

Gallegos-Alcaíno, A.; Robles-Araya, N.; Avalos, C.; Alfonso-Alvarez, A.; Rodríguez, C.A.; Valdés, H.; Sánchez-Flores, N.A.; Durán-Alvarez, J.C.; Bizarro, M.;Romero-Salguero, F.J. Synthesis of BiOI/Mordenite Composites for Photocatalytic Treatment of Organic Pollutants Present in Agro-Industrial Wastewater. Nanomaterials 2022, 12, 1161.https://doi.org/10.3390/nano12071161 (Revista WoS, Scopus, Q2 impact factor: 5.076)

Kaimal, Reshma; Vinoth, Victor; Salunke, Amol Shrikrishna; Valdes, Hector; Viswanathan, Mangalaraja; Anandan, Sambandam. Highly Sensitive and Selective Detection of Glutathione using Ultrasonic Aided Synthesis of Graphene Quantum Dots embedded over amine-funtionalized Silica Nanoparticles. Ultrasonics Sonochemistry 82, 2022, 105868. https://doi.org/10.1016/j.ultsonch.2021.105868 (Revista WoS, Scopus, Q1 impact factor: 7.491)

Esther Vega and Héctor Valdés. Regeneration of odorous sulphur compound-exhausted activated carbons using wet peroxide oxidation: the impact of chemical surface characteristics Process Safety and Environmental Protection 156 (2021) 109-120. https://doi.org/10.1016/j.psep.2021.10.002 (Revista WoS, Scopus, Q1 impact factor: 6.158)

Padmanaban, Annamalai; Dhanasekaran, Thangavelu; Manigandan, Ramadoss; SriNandhini; Subramanic; Senthil Pandian Muthu; Ramasamy, Perumalsamy; Suresh, Ranganathan; Valdes, Héctor. Electrochemical sensing of tyrosine and removal of toxic dye using self-assembled three-dimensional CuBi2O4/rGO microspheres. Colloids and Interface Science Communications 45 (2021) 100523. (Revista WoS, Scopus, Q1/Q2 impact factor IF: 4.914)

Pugazhenthiran, S. Murugesan, H. Valdés, M. Selvaraj, P. Sathishkumar, P.G. Smirniotis, S. Anandan, R.V. Mangalaraja. Photocatalytic oxidation of ceftiofur sodium under UV-visible irradiation using plasmonic porous Ag-TiO2 nanospheres. Journal of Industrial and Engineering Chemistry. Volume 105, 2022, 384-392 (Revista WoS, Scopus, Q1/Q2 impact factor IF: 6.064)

Otilia Diaz; C.A. Rodríguez; Juan C. Durán-Álvarez; Neetu Talreja; Issis Quispe-Fuentes; Carolina Martínez-Avelar; MonserratBizarro; HéctorValdés; Adriana C.Mera. A theoretical and experimental approach for photocatalytic degradation of caffeic acid using BiOBr microspheres Materials Science & Engineering B 273 (2021) 115432. https://doi.org/10.1016/j.mseb.2021.115432 (Revista WoS, Scopus, Q2 impact factor IF: 4.706)

Rajangam, N. Pugazhenthiran, S. Krishna, R.V. Mangalaraja, Valdés, S. Kumaran, P. Sathishkumar. Solar light-driven CoFe2O4/-Ga2O3 heterojunction nanorods mediated activation of peroxymonosulfate for photocatalytic degradation of norflurazon. Journal of Environmental Chemical Engineering. 9, 5 (2021), 106237. https://doi.org/10.1016/j.jece.2021.106237 (WoS, Scopus, Q1 impact factor: 5.909)

Serguei Alejandro-Martín, Héctor Valdés, Claudio A. Zaror. Catalytic ozonation of toluene over acidic surface transformed natural zeolite: a dual-site reaction mechanism and kinetic approach. Catalysts 2021, 11, 958. https://doi.org/10.3390/catal11080958 (Revista WoS, Scopus, Q2 impact factor: 4.146)

Rameshbabu, Victor Vinoth, Gina Pecchi, Eduardo J Delgado, Héctor Valdés, R.V. Mangalaraja. Novel MoSe2-Ni(OH)2 Nanocomposite as an Electrocatalyst for High Efficient Hydrogen Evolution Reaction. International Journal of Hydrogen Energy, 46, 64, (2021) 32471-32479 https://doi.org/10.1016/j.ijhydene.2021.07.071 (WoS, Scopus, Q2 impact factor: 5.816)

El Mrabet, B. Ihssane, Valdés, H. Zaitan. Optimization of Fenton process operating conditions for the treatment of the landfill leachate of Fez city (Morocco). International Journal of Environmental Science and Technology https://doi.org/10.1007/s13762-021-03393-0 (Revista WoS, Scopus, Q3 impact factor: 2.860)

Nalandhiran, Pugazhenthiran; Murugesan, Sepperumal; Thillaichidambaram, Muneeswaran; Muthusubramanian, Shanmugam; Valdés, Héctor; Viswanathan, Mangalaraja; Savariraj, Dennyson. Biocidal Activity of Citrus limetta Peel Extract Mediated Green Synthesized Silver Quantum Dots Against MCF-7 Cancer Cells and Pathogenic Bacteria. Journal of Environmental Chemical Engineering 9 (2021) 105089 https://doi.org/10.1016/j.jece.2021.105089 (Revista WoS, Scopus, Q1 impact factor: 4.300

Vinoth Victor, Gowrishankar Subramaniyam, Sambandam Anandan, Héctor Valdés, Paulraj Manidurai. Non-Enzymatic Glucose Sensor and Photocurrent performance of Multi-Walled Carbon Nanotubes anchored with Zinc Oxide quantum dots. Materials Science & Engineering B: Advanced Functional Solid-State Materials 265 (2021) 115036 (Revista WoS, Scopus, Q1 impact factor: 4.706)

Héctor Valdés, Andrés L. Riquelme, Víctor A. Solar, Federico Azzolina-Jury, Frédéric Thibault-Starzyk. Removal of chlorinated volatile organic compounds onto natural and Cu-modified zeolite: The role of chemical surface characteristics in the adsorption mechanism. Separation and Purification Technology (Revista WoS, Scopus, Q1 impact factor: 5.774) (aceptado 13-11-2020).

Imane El Mrabet; Mostafa Nawdali; Salah Rafqah; Héctor Valdés; Mourad Benzina; Hicham Zaitan. Low‑cost biomass for the treatment of landfll leachate from Fez City: application of a combined coagulation–adsorption process. Euro-Mediterranean Journal for Environmental Integration (2020) 5: 63

Pugazhenthiran, P. Sathishkumar, V. Mangalaraja, S. Vijaya, S. Suresh, M. Kandasamy, H. Valdés, M.A. Gracia-Pinilla, S. Murugesan, S. Anandan. Fluorine-Free Synthesis of Reduced Graphene Oxide Modified Anatase TiO2 Nanoflowers Photoanode with Highly Exposed {001} Facets for High Performance Dye-sensitized Solar Cell. Solar Energy (Aceptado 05-10-2020) (Revista WoS, Scopus, Q2 impact factor: 4.608)

Vinoth, Victor; Nalandhiran, Pugazhenthiran; Viswanathan, Mangalaraja; Syed, Asad; Marraiki, Nataj; Valdés, Héctor; Anandan, Sambandam. Development of electrochemical enzyme-free glucose sensor based on self-assembled Pt-Pd bimetallic nanosuperlattices. Analyst (Aceptado 06-09-2020) (Revista WoS, Scopus, Q1 impact factor: 3.978)

Joshua O. Olowoyo, Upasana Saini, Manoj Kumar, Héctor Valdés, Hitendra Singh, Martins O. Omorogie, Jonathan O. Babalola, Alexander V. Vorontsov, Umesh Kumar. Panagiotis G. Smirniotis. Reduced graphene oxide/NH2-MIL-125(Ti) composite: selective CO₂ photoreduction to methanol under visible light and computational insights into charge separation. Journal of CO₂ Utilization 42 (2020) 101300 (Revista WoS, Scopus, Q1 impact factor: 5.993)

Johannes de Bruijn, Ambar Gómez, Pedro Melín, Cristina Loyola, Víctor Solar, Norberto Abreu, Federico Azzolina-Jury, Héctor Valdés. Use of a copper and zinc modified naturalzeolite to improve ethylene removal and postharvest quality of tomato Crystals 10 (2020) 471 (Revista WoS, Scopus, Q2 impact factor 2018: 2.061)

Adriana C Mera; C.A. Rodríguez; L. Pizarro-Castillo; M.F. Meléndrez; Héctor Valdés. Effect of temperature and reaction time during solvothermal synthesis of BiOCl on microspheres formation: Implications in the photocatalytic oxidation of gallic acid under simulated solar radiation. Journal of Sol-Gel Science and Technology 95 (2020) 146–156 (Revista WoS, Scopus, Q2 impact factor 2019: 2.008)

Alexander Vorontsov, Héctor Valdés, Panagiotis G. Smirniotis, Yaron Paz. Computational Models of TiO2 Anatase Nanoparticles. Journal of Chemical Technology & Biotechnology 95 (2020) 2750–2760. (Revista WoS, Scopus, Q2/Q3 impact factor 2018: 2.659)

Dennyson Savariraj, Mangalaraja R.V., Vinoth V, Arun T, David Contreras, Akbari-Fakhrabadi Ali, Héctor Valdés, Fawzi Banat. Microwave-Assisted Synthesis of Localized Surface Plasmon Resonance Enhanced Two Dimensional (2D) Bismuth Selenide (Bi₂Se₃) Layers for Non-Enzymatic Glucose Sensing. Journal of Electroanalytical Chemistry 856 (2020) 113629 (Revista WoS, Scopus, Q1 impact factor 2019: 3.807)

Héctor Valdés, Francisco J. Ulloa, Víctor A. Solar, Manuel S. Cepeda, Federico Azzolina-Jury, Frédéric Thibault-Starzyk. New insight of the influence of acidic surface sites of zeolite on the ability to remove gaseous ozone using operando DRIFTS studies. Microporous and Mesoporous Materials 294 (2020) 109912 (Revista WoS, Scopus, Q1 impact factor 2019: 4.551)

El Mrabet, M. Benzina, Valdés and H. Zaitan. Treatment of landfill leachates from Fez city (Morocco) using a sequence of aerobic and fenton processes. Scientific African 8 (2020) e00434 (Revista Scopus)

Alexander Vorontsov, Héctor Valdés, Panagiotis G. Smirniotis, Yaron Paz. Recent advancements in the understanding of the surface chemistry in TiO2 photocatalysis. Surfaces 2020, 3, 72–92. doi:10.3390/surfaces3010008

Alexander V. Vorontsov, Héctor Valdés. Panagiotis G. Smirniotis. Design of Active Sites in Zeolite Catalysts using Modern Semiempirical Methods: The Case of Mordenite. Computational and Theoretical Chemistry 1166 (2019) 112572 (Revista WoS, Scopus, Q4 impact factor 2018: 1.344)

Victor Vinoth; Lakshmi Nochur Natarajan; Ramalinga Viswanathan Mangalaraja; Héctor Valdés; Anandan Sambandam. Simultaneous Electrochemical Nanomolar Detection of Dopamine and Epinephrine using Silica Network Functionalized Gold Nanocrystals Capped with Graphene Quantum Dots. Microchimica Acta 186 (2019) 681. (Revista WoS, Scopus, Q1 impact factor 2019: 6.232)

Valeriya S.Drozd, Nadezhda A.Zybina, Kristina E.Abramova, Mikhail Yu.Parfenov, Umesh Kumar, Héctor Valdés, Panagiotis G.Smirniotis, Alexander V.Vorontsov. Oxygen vacancies in nano-sized TiO2 anatase nanoparticles. Solid State Ionics 339 (2019) 115009 (Revista WoS, Scopus, Q2 impact factor 2017: 2.751)

Johannes de Bruijn, Ambar Gómez, Pedro Melín, Cristina Loyola, Víctor Solar, Héctor Valdés. Effect of doping natural zeolite with copper and zinc cations on ethylene removal and postharvest tomato fruit quality. Chemical Engineering Transactions 75 (2019) 265-270. (Scopus)

Zineb Bencheqroun, Imane El Mrabet, Zined Chaouki, Mohamed Kachabi, Mostafa Nawdali, Hector Valdés, Isabel Correia Neves, Hicham Zaitan. Removal of basic and acid dyes from aqueous solutions using cone powder from Moroccan cypress cupressus sempervirens as a natural adsorbent. Desalination and Water Treatment 166 (2019) 387-398 (Revista WoS, Scopus, Q3 impact factor 2017: 1.383)

Alexander V. Vorontsov, Héctor Valdés. Insights into the visible light photocatalytic activity of S-doped TiO₂. International Journal of Hydrogen Energy 44 (2019) 17963-17973 (Revista WoS, Scopus, Q2 impact factor 2019: 4.939)

Alexander V.Vorontsov, HéctorValdés. Quantum Size Effect and Visible Light Activity of Anatase Nanosheet Quantum Dots. Journal of Photochemistry and Photobiology A: Chemistry 379 (2019) 39-46. (Revista WoS, Scopus, Q2 impact factor 2017: 2.891)

Joshua O. Olowoyo, Jonathan O. Babalola, Manoj Kumar, Bhupender Singh, Vincent O. Oninla, Héctor Valdés, Alexander V. Vorontsov, Umesh Kumar. Self-assembled reduced graphene oxide-TiO₂ nanocomposites: Synthesis, DFTB+ calculations, and enhanced photocatalytic reduction of CO₂ to methanol. Carbon 147 (2019) 385-397. (Revista WoS, Scopus, Q1 impact factor 2019: 8.821)

J Abreu, H. Valdés, C.A. Zaror, F. Azzolina-Jury, M.F. Meléndrez. Ethylene adsorption onto natural and metal modified Chilean zeolite: an Operando DRIFTS approach. Microporous & Mesoporous Materials 274 (2019) 138-148 (Revista WoS, Scopus, Q1 impact factor 2017: 3.649)

Katia González-Labrada, Romain Richard, Caroline Andriantsiferana, Héctor Valdés, Ulises J. Jáuregui-Haza, Marie-Helene Manéro. Enhancement of ciprofloxacin degradation in aqueous system by heterogeneous catalytic ozonation. Environmental Science and Pollution Research, 2018 (Revista WoS, Scopus, Q2 impact factor 2017: 2.800)

Adriana C. Mera, A. Martínez-de la Cruz, E. Pérez-Tijerina, M.F. Meléndrez, Héctor Valdés. Nanostructured BiOI for air pollution control: Microwave-assisted synthesis, characterization and photocatalytic activity toward NO transformation under visible light irradiation. Materials Science in Semiconductor Processing 88 (2018) 20–27 (Revista WoS, Scopus, Q2 impact factor 2018: 2.722)

Manuel Meléndrez Adriana Mera, Andres Jaramillo, Fabiola Jamett, Carlos Rodríguez, Hector Valdés, David Rojas. Solvothermal synthesis and photocatalytic activity of BiOBr microspheres with hierarchical morphologies. Acta Chimica Slovenica 65(2) 429-437, 2018 (Revista WoS, Scopus, Q3 impact factor 2017: 1.104)

Serguei Alejandro, Héctor Valdés, Marie-Hélène Manero, Claudio Zaror. Catalytic Ozonation of Toluene Contaminated Streams using Chilean Natural Zeolite: The key role of Brønsted and Lewis Acid Sites. Catalysts 2018, 8(5), 211, 1-12. (Revista WoS, Scopus, Q2 impact factor 2017: 3.465)

Nicolas Brodu, Marie-Hélène Manero, Caroline Andriantsiferana, Jean-Stéphane Pic, Héctor Valdés. Gaseous ozone elimination over microporous zeolites: Incidence of pore framework and chemical features on ozone removal performance. Canadian Journal of Chemical Engineering. 96: 1911-1918, 2018 (Revista WoS, Scopus, Q3 impact factor 2017: 1.265)

Esther Vega; Héctor Valdés. New evidences of the effect of activated carbón chemical structure on the activity to promote radical generation in an advanced oxidation process using hydrogen peroxide. Microporous and Mesoporous Materials 259, 1-8, 2018.

Zineb Chaouki, Khalil Fouad, Mustapha Ijjaali, Héctor Valdés, Salah Rafqah, Mohamed Sarakha, Hicham Zaitan. Use of combination of coagulation and adsorption process for the landfill leachate treatment from Casablanca Desalination and Water Treatment 83, 262-271. 2017.

Mohamed Hadri, Zineb Chaouki, Khalid Draoui, Mostafa Nawdali, Abdeslam Barhoun, Héctor Valdés, Nadjib Drouiche, Hicham Zaitan. Adsorption of a cationic dye from aqueous solution using low-cost Moroccan diatomite: Adsorption equilibrium, kinetic and thermodynamic studies. Desalination and Water Treatment 75, 213-224. 2017.

Cabrera-Codony, A.; Georgi, A., Gonzalez-Olmos, R.; Valdés, H. Martín, M. J. Zeolites as recyclable adsorbents/catalysts for biogas upgrading: removal of octamethylcyclotetrasiloxane. Chemical Engineering Journal. 307, 820–827, 2017.

Mera, A.C.; Rodríguez, A.; Meléndrez, M.F.; Valdés, H. Synthesis and characterization of BiOI microspheres under standardized conditions. Journal of Materials Science, 52, 2, 944–954, 2017.

Mera A.C., Valdés, H.; Jamett, F.J.; Meléndrez, M.F. BiOBr microspheres for photocatalytic degradation of an anionic dye. Solid State Sciences, 65, 15-21, 2017.

Valdés, H.; Zaror, A.; Sánchez-Polo, M. Role of oxygen-containing functional surface groups of activated carbons on the elimination 2-hydroxybenzothiazole from waters in a hybrid heterogeneous ozonation system. Journal of Advanced Oxidation Technologies., 20, 1, 170-183, 2017.

Chaouki, I. El Mrabet, F. Khalil, M. Ijjaali, S. Rafqah, S. Anouar, M. Nawdali, H. Valdés, H. Zaitan, Use of coagulation-flocculation process for the treatment of the landfill leachates of Casablanca city (Morocco). Journal of Materials and Environmental Science, 8, 8, 2781-2791, 2017.

Zaitan, H.; Manero, M.H.; Valdés, H. Application of high silica zeolite ZSM-5 in a hybrid treatment process based on sequential adsorption and ozone oxidation for toluene elimination. Journal of Environmental Sciences 41, 59–68, 2016.

Zaitan, H; Mohamed, E.F; Valdés, H.; Nawdali, M.; Rafqah, S.; Manéro, M.-H. Toluene, methanol and benzaldehyde removal from gas Streams by adsorption onto natural clay and faujasite-Y type zeolite. Acta Chimica Slovenica 63, 798-808, 2016.

Valdés, H.; Zaror, A.; Jekel, M. Removal of benzothiazole from contaminated waters by ozonation:the role of direct and indirect ozone reactions. J. Adv. Oxid. Technol. 19, 2, 338-346, 2016.

Riquelme, A.L.; Valdés, H. Aplicación del diseño D-Optimal en la modelación de la adsorción de COVs-Cl sobre zeolitas naturales chilenas modificadas. Revista Chilena de Ingeniería, 24, 542-557, 2016,

Alejandro, S.; Valdés, H.; Manero, M.-H.; Zaror, A. Oxidative regeneration of toluene-saturated natural zeolite by gaseous ozone: the influence of zeolite chemical surface characteristics. Journal of Hazardous Materials 274, 212-220, 2014.

Valdés, H.; Solar, V.A; Cabrera, E.H.; Veloso, A.F.; Zaror, C.A. Control of released volatile organic compounds from industrial facilities using natural and acid-treated mordenites: The role of acidic surface sites on the adsorption mechanism Chemical Engineering Journal 244, 117–127, 2014.

Valdés, H.; Schrickel, K.; Bormann, H.; Sievers, M. Ozonation of pentylacetate contaminated waters from textile care industry. Obras y Proyectos 13, 41-45, 2013.

Brodu, N.;Manéro M.H.; Adriantsiferana, C.; Pic, J.-S.; Valdés H. Role of Lewis acid sites of ZSM-5 zeolite on gaseous ozone abatement. Chemical Engineering Journal 231, 281–286. 2013.