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Employment (7)

Universidad Católica de la Santísima Concepción: Concepcion, Región del Bío Bío, CL

2017-11-23 to present | Full Professor (Facultad de Ingeniería)
Employment
Source: Self-asserted source
Héctor Valdés

Universidad Católica de la Santísima Concepción: Concepción, Región del Bío Bío, CL

2010-05 to 2017-11-22 | Associate Professor (Facultad de Ingeniería)
Employment
Source: Self-asserted source
Héctor Valdés

Universidad Católica de la Santísima Concepción: Concepción, Región del Bío Bío, CL

2005-04-01 to 2010-05 | Lecturer (Facultad de Ingeniería)
Employment
Source: Self-asserted source
Héctor Valdés

Universidad de Concepcion: Concepcion, CL

2004-10 to 2005-02 | Environmental Consultant (Unidad de Desarrollo Tecnológico)
Employment
Source: Self-asserted source
Héctor Valdés

Technische Universität Clausthal: Clausthal, Niedersachsen, DE

2003-10-01 to 2004-09-31 | Postdoctoral Research Associate (Clausthaler Umwelttechnik-Institut GmbH)
Employment
Source: Self-asserted source
Héctor Valdés

Universidad del Bio Bio: Conception, Región del Bío Bío, CL

2000-04 to 2002-07 | Lecturer (Departamento de Ingeniería en Alimentos)
Employment
Source: Self-asserted source
Héctor Valdés

Universidad Central Marta Abreu de las Villas: Santa Clara, Villa Clara, CU

1993-09 to 1997-06 | Project Engineer (Centro de Bioactivos Químicos)
Employment
Source: Self-asserted source
Héctor Valdés

Education and qualifications (2)

Universidad de Concepcion: Concepcion, Región del Bío Bío, CL

1997-07-01 to 2003-09-05 | Doctor en Ciencias de la Ingenería con mención en Ingeniería Química (Departamento de Ingeniería Química. Facultad de Ingeniería.)
Education
Source: Self-asserted source
Héctor Valdés

Universidad Central Marta Abreu de las Villas: Santa Clara, Villa Clara, CU

1988-09-01 to 1993-07-24 | Ingeniero Químico (Departamento de Ingeniería Química. Facultad de Química-Farmacia)
Education
Source: Self-asserted source
Héctor Valdés

Works (50 of 79)

Items per page:
Page 1 of 2

Demonstrating the substitutional doping of erbium (Er) in BiFeO3 nanoparticles for the enhanced solar-driven photocatalytic activity

Journal of Physics and Chemistry of Solids
2025-04 | Journal article
Contributors: S. Bharathkumar; Sakar Mohan; Hector Valdes; S. Balakumar
Source: check_circle
Crossref

Harnessing the synergistic effect of CuO@Fe3O4/n-Si for high-efficiency photodiodes

Journal of Physics and Chemistry of Solids
2025-01 | Journal article
Contributors: A. Murugan; Chitirala Rohit; Amanullah Fatehmulla; Sahariya Priya; Sung Soo Han; Shaik Babu; S. Bharathkumar; Sakar Mohan; Hector Valdes
Source: check_circle
Crossref

Exploring the antimicrobial activity of hydrothermally synthesized copper pyrophosphate nanoflakes

Journal of the Indian Chemical Society
2024-11 | Journal article
Contributors: Ravi Aswini; Nandhagopal Manivannan; Annamalai Padmanaban; Hector Valdes; Kathirvelu Dhandapani; Arunachalam SaravanaVadivu; Perumal Rameshkumar; Abdurahman Hajinur Hirad
Source: check_circle
Crossref

Z-scheme driven charge transfer in g-C3N4/α-Fe2O3 nanocomposites enabling photocatalytic degradation of crystal violet and chromium reduction

Surfaces and Interfaces
2024-11 | Journal article
Contributors: S. Bharathkumar; Sakar Mohan; Hoda Alsaeedi; Tae Hwan Oh; Shanmugam Vignesh; Arunmetha Sundaramoorthy; Hector Valdes
Source: check_circle
Crossref

Building a novel noble metal-free Cu3P/ZnS/g-C3N4 ternary nanocomposite with multi interfacial charge transfer pathways for highly enhanced photocatalytic water splitting

Fuel
2024-09 | Journal article
Contributors: R. Rameshbabu; Johnny Koh Siaw Paw; Kulandaivelu Kaviyarasan; Sapana Jadoun; John Amalraj; Tiong Sieh Kiong; Héctor Valdés
Source: check_circle
Crossref

Praseodymium doping-induced band structure tunning in bismuth ferrite (Bi1-Pr FeO3) nanofibers for the enhanced photocatalytic properties

Surfaces and Interfaces
2024-09 | Journal article
Contributors: S. Bharathkumar; M. Sakar; Hector Valdes; S. Balakumar
Source: check_circle
Crossref

Ethylene Elimination Using Activated Carbons Obtained from Baru (Dipteryx alata vog.) Waste and Impregnated with Copper Oxide

Molecules
2024-06-07 | Journal article
Contributors: Ana Carolina de Jesus Oliveira; Camilla Alves Pereira Rodrigues; Maria Carolina de Almeida; Eliane Teixeira Mársico; Paulo Sérgio Scalize; Tatianne Ferreira de Oliveira; Victor Andrés Solar; Héctor Valdés
Source: check_circle
Crossref
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Preferred source (of 2)‎

Sustainable synthesis, superior performance: Nanoflower-like α-Bi2O3 from solvent-free solid state for photocatalytic crystal violet degradation

Journal of the Taiwan Institute of Chemical Engineers
2024-04 | Journal article
Contributors: Aswini Ravi; Padmanaban Annamalai; Vigneshwaran Sankar; K R Achutharaman; Hector Valdes; Arunachalam SaravanaVadivu; VelayuthamPillai MuthaiahPillai; Sulaiman Ali Alharbi
Source: check_circle
Crossref

Goethite (α-FeOOH) nanoparticles wrapped on reduced graphene oxide nanosheet for sensitive electrochemical detection of arsenic(III)

Ceramics International
2024-02 | Journal article
Contributors: Victor Vinoth; Krishnamoorthy Shanmugaraj; Nalandhiran Pugazhenthiran; Christopher Salvo; Héctor Valdés; Sambandam Anandan; Ramalinga Viswanathan Mangalaraja
Source: check_circle
Crossref

Impact of Copper(II)-Imidazole Complex Modification on Polycrystalline TiO2: Insights into Formation, Characterization, and Photocatalytic Performance

Catalysts
2024-02-26 | Journal article
Contributors: Ganeshraja Ayyakannu Sundaram; Rajkumar Kanniah; Krishnamoorthy Anbalagan; Kaviyarasan Kulandaivelu; Héctor Valdés
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Crossref
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Ferrihydrite − Graphene oxide foams as an efficient adsorbent for Arsenic(III) removal from an aqueous solution

Inorganic Chemistry Communications
2023-07 | Journal article
Contributors: Krishnamoorthy Shanmugaraj; Victor Vinoth; Nalandhiran Pugazhenthiran; Héctor Valdés; Christopher Salvo; Erwin Sepúlveda; Ramalinga Viswanathan Mangalaraja
Source: check_circle
Crossref

Synergistic impact of nanoarchitectured GQDs-AgNCs(APTS) modified glassy carbon electrode in the electrochemical detection of guanine and adenine

Journal of Electroanalytical Chemistry
2023-04 | Journal article
Contributors: Victor Vinoth; Reshma Kaimal; Muthamizh Selvamani; Rubina Michael; Nalandhiran Pugazhenthiran; Ramalinga Viswanathan Mangalaraja; Héctor Valdés; Sambandam Anandan
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Crossref

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
2023-03-17 | Journal article
Contributors: Norberto J. Abreu; Héctor Valdés; Claudio A. Zaror; Tatianne Ferreira de Oliveira; Federico Azzolina-Jury; Frédéric Thibault-Starzyk
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Crossref
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Preferred source (of 2)‎

The Effect of Visible Light on the Postharvest Life of Tomatoes (Solanum lycopersicum L.)

Horticulturae
2023-01-11 | Journal article
Contributors: Johannes de Bruijn; Nicole Fuentes; Víctor Solar; Ana Valdebenito; Leslie Vidal; Pedro Melín; Francis Fagundes; Héctor Valdés
Source: check_circle
Crossref

Investigation of photo-/electrocatalytic activity of hydrothermal synthesized novel copper ion-modulated bifunctional NiTe2 nanoflakes

Surfaces and Interfaces
2022-08 | Journal article
Contributors: A. Padmanaban; S. Bharathkumar; T. Dhanasekaran; R. Manigandan; M. Senthil Pandian; P. Ramasamy; D. Kathirvelu; Hector Valdes
Source: check_circle
Crossref

Synthesis of BiOI/Mordenite Composites for Photocatalytic Treatment of Organic Pollutants Present in Agro-Industrial Wastewater

Nanomaterials
2022-03-31 | Journal article
Contributors: Alejandra Gallegos-Alcaíno; Nathaly Robles-Araya; Camila Avalos; Alexander Alfonso-Alvarez; Carlos A. Rodríguez; Héctor Valdés; Norma A. Sánchez-Flores; Juan C. Durán-Alvarez; Monserrat Bizarro; Francisco J. Romero-Salguero et al.
Source: check_circle
Crossref

Regeneration of odorous sulphur compound-exhausted activated carbons using wet peroxide oxidation: The impact of chemical surface characteristics

Process Safety and Environmental Protection
2021-12 | Journal article
Contributors: Esther Vega; Héctor Valdés
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Crossref

Novel MoSe2–Ni(OH)2 nanocomposite as an electrocatalyst for high efficient hydrogen evolution reaction

International Journal of Hydrogen Energy
2021-09 | Journal article
Contributors: R. Rameshbabu; Victor Vinoth; Gina Pecchi; Eduardo J. Delgado; Héctor Valdés; R.V. Mangalaraja
Source: check_circle
Crossref

Catalytic Ozonation of Toluene over Acidic Surface Transformed Natural Zeolite: A Dual-Site Reaction Mechanism and Kinetic Approach

Catalysts
2021-08-10 | Journal article
Contributors: Serguei Alejandro-Martín; Héctor Valdés; Claudio A. Zaror
Source: check_circle
Crossref

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
2021-04 | Journal article
Contributors: N. Pugazhenthiran; S. Murugesan; T. Muneeswaran; S. Suresh; M. Kandasamy; H. Valdés; M. Selvaraj; A. Dennyson Savariraj; R.V. Mangalaraja
Source: check_circle
Crossref

Treatment of landfill leachates from Fez city (Morocco) using a sequence of aerobic and Fenton processes

Scientific African
2020-07 | Journal article
Part of ISSN: 2468-2276
Source: Self-asserted source
Héctor Valdés

Use of a Copper- and Zinc-Modified Natural Zeolite to Improve Ethylene Removal and Postharvest Quality of Tomato Fruit

Crystals
2020-06-03 | Journal article
Contributors: Johannes de Bruijn; Ambar Gómez; Cristina Loyola; Pedro Melín; Víctor Solar; Norberto Abreu; Federico Azzolina-Jury; Héctor Valdés
Source: check_circle
Crossref

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
2020-03 | Journal article
Contributors: Héctor Valdés; Francisco J. Ulloa; Víctor A. Solar; Manuel S. Cepeda; Federico Azzolina-Jury; Frédéric Thibault-Starzyk
Source: check_circle
Crossref

Recent Advancements in the Understanding of the Surface Chemistry in TiO2 Photocatalysis

Surfaces
2020-02-18 | Journal article
Contributors: Alexander V. Vorontsov; Héctor Valdés; Panagiotis G. Smirniotis; Yaron Paz
Source: check_circle
Crossref

Effect of doping natural zeolite with copper and zinc cations on ethylene removal and postharvest tomato fruit quality

Chemical Engineering Transactions
2019 | Journal article
EID:

2-s2.0-85067108639

Contributors: de Bruijn, J.; Gómez, A.E.; Melín, P.; Loyola, C.; Solar, V.A.; Valdés, H.
Source: Self-asserted source
Héctor Valdés via Scopus - Elsevier

Oxygen vacancies in nano-sized TiO<inf>2</inf> anatase nanoparticles

Solid State Ionics
2019 | Journal article
EID:

2-s2.0-85067699468

Contributors: Drozd, V.S.; Zybina, N.A.; Abramova, K.E.; Parfenov, M.Y.; Kumar, U.; Valdés, H.; Smirniotis, P.G.; Vorontsov, A.V.
Source: Self-asserted source
Héctor Valdés via Scopus - Elsevier

Quantum size effect and visible light activity of anatase nanosheet quantum dots

Journal of Photochemistry and Photobiology A: Chemistry
2019 | Journal article
EID:

2-s2.0-85065524294

Contributors: Vorontsov, A.V.; Valdés, H.
Source: Self-asserted source
Héctor Valdés via Scopus - Elsevier

Self-assembled reduced graphene oxide-TiO <inf>2</inf> nanocomposites: Synthesis, DFTB+ calculations, and enhanced photocatalytic reduction of CO <inf>2</inf> to methanol

Carbon
2019 | Journal article
EID:

2-s2.0-85063302246

Contributors: Olowoyo, J.O.; Kumar, M.; Singh, B.; Oninla, V.O.; Babalola, J.O.; Valdés, H.; Vorontsov, A.V.; Kumar, U.
Source: Self-asserted source
Héctor Valdés via Scopus - Elsevier

Microwave-assisted synthesis of localized surface plasmon resonance enhanced bismuth selenide (Bi2Se3) layers for non-enzymatic glucose sensing

Journal of Electroanalytical Chemistry
2019-11 | Journal article
Part of ISSN: 1572-6657
Source: Self-asserted source
Héctor Valdés

Design of active sites in zeolite catalysts using modern semiempirical methods: The case of mordenite

Computational and Theoretical Chemistry
2019-10 | Journal article
Part of ISSN: 2210-271X
Source: Self-asserted source
Héctor Valdés

Simultaneous electrochemical determination of dopamine and epinephrine using gold nanocrystals capped with graphene quantum dots in a silica network

Microchimica Acta
2019-10 | Journal article
Part of ISSN: 0026-3672
Part of ISSN: 1436-5073
Source: Self-asserted source
Héctor Valdés

Insights into the visible light photocatalytic activity of S-doped hydrated TiO2

International Journal of Hydrogen Energy
2019-07 | Journal article
Contributors: Alexander V. Vorontsov; Héctor Valdés
Source: check_circle
Crossref

Ethylene adsorption onto natural and transition metal modified Chilean zeolite: An operando DRIFTS approach

Microporous and Mesoporous Materials
2019-01 | Journal article
Contributors: Norberto J. Abreu; Héctor Valdés; Claudio A. Zaror; Federico Azzolina-Jury; Manuel F. Meléndrez
Source: check_circle
Crossref

Enhancement of ciprofloxacin degradation in aqueous system by heterogeneous catalytic ozonation

Environmental Science and Pollution Research
2018 | Journal article
EID:

2-s2.0-85057823456

Contributors: González-Labrada, K.; Richard, R.; Andriantsiferana, C.; Valdés, H.; Jáuregui-Haza, U.J.; Manero, M.-H.
Source: Self-asserted source
Héctor Valdés via Scopus - Elsevier

Gaseous ozone decomposition over high silica zeolitic frameworks

Canadian Journal of Chemical Engineering
2018 | Journal article
EID:

2-s2.0-85042120512

Contributors: Brodu, N.; Manero, M.-H.; Andriantsiferana, C.; Pic, J.-S.; Valdés, H.
Source: Self-asserted source
Héctor Valdés via Scopus - Elsevier

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
2018 | Journal article
EID:

2-s2.0-85050303064

Contributors: Mera, A.C.; Martínez-de la Cruz, A.; Pérez-Tijerina, E.; Meléndrez, M.F.; Valdés, H.
Source: Self-asserted source
Héctor Valdés via Scopus - Elsevier

Removal of textile dyes from aqueous solutions using low cost Moroccan clay

IOP Conference Series: Earth and Environmental Science
2018 | Conference paper
EID:

2-s2.0-85049254678

Contributors: Bencheqroun, Z.; Chaouki, Z.; Hadri, M.; Nawdali, M.; Draoui, K.; Valdés, H.; Zaitan, H.
Source: Self-asserted source
Héctor Valdés via Scopus - Elsevier

Solvothermal synthesis and photocatalytic activity of BiOBr microspheres with hierarchical morphologies

Acta Chimica Slovenica
2018 | Journal article
EID:

2-s2.0-85049534376

Contributors: Mera, A.C.; Rodríguez, C.A.; Valdés, H.; Jaramillo, A.F.; Rojas, D.; Meléndrez, M.F.
Source: Self-asserted source
Héctor Valdés via Scopus - Elsevier

Catalytic Ozonation of Toluene Using Chilean Natural Zeolite: The Key Role of Brønsted and Lewis Acid Sites

Catalysts
2018-05-17 | Journal article
Contributors: Serguei Alejandro-Martín; Héctor Valdés; Marie-Hélène Manero; Claudio A. Zaror
Source: check_circle
Crossref

New evidence of the effect of the chemical structure of activated carbon on the activity to promote radical generation in an advanced oxidation process using hydrogen peroxide

Microporous and Mesoporous Materials
2018-03 | Journal article
Contributors: Esther Vega; Héctor Valdés
Source: check_circle
Crossref

Adsorption of a cationic dye from aqueous solution using low-cost Moroccan diatomite: adsorption equilibrium, kinetic and thermodynamic studies

Desalination and Water Treatment
2017 | Journal article
WOSUID:

WOS:000404396100023

Contributors: Hadri, M.; Chaouki, Z.; Draoui, K.; Nawdali, M.; Barhoun, A.; Valdes, H.; Drouiche, N.; Zaitan, H.
Source: Self-asserted source
Héctor Valdés via ResearcherID

BiOBr microspheres for photocatalytic degradation of an anionic dye

Solid State Sciences
2017 | Journal article
WOSUID:

WOS:000395615700003

Contributors: Mera, A. C.; Valdes, H.; Jamett, F. J.; Melendrez, M. F.
Source: Self-asserted source
Héctor Valdés via ResearcherID

Role of oxygen-containing functional surface groups of activated carbons on the elimination of 2-hydroxybenzothiazole from waters in A hybrid heterogeneous ozonation system

Journal of Advanced Oxidation Technologies
2017 | Journal article
WOSUID:

WOS:000394869900023

Contributors: Valdes, Hector; Sanchez-Polo, Manuel; Zaror, Claudio A.
Source: Self-asserted source
Héctor Valdés via ResearcherID

Synthesis and characterization of BiOI microspheres under standardized conditions

Journal of Materials Science
2017 | Journal article
WOSUID:

WOS:000387227300026

Contributors: Mera, Adriana C.; Rodriguez, C. A.; Melendrez, M. F.; Valdes, Hector
Source: Self-asserted source
Héctor Valdés via ResearcherID

Use of coagulation-flocculation process for the treatment of the landfill leachates of Casablanca city (Morocco)

Journal of Materials and Environmental Science
2017 | Journal article
EID:

2-s2.0-85021855527

Contributors: Chaouki, Z.; El Mrabet, I.; Khalil, F.; Ijjaali, M.; Rafqah, S.; Anouar, S.; Nawdali, M.; Valdés, H.; Zaitan, H.
Source: Self-asserted source
Héctor Valdés via Scopus - Elsevier

Use of combination of coagulation and adsorption process for the landfill leachate treatment from Casablanca city

Desalination and Water Treatment
2017 | Journal article
WOSUID:

WOS:000412878800028

Contributors: Chaouki, Z.; Khalil, F.; Ijjaali, M.; Valdes, H.; Rafqah, S.; Sarakha, M.; Zaitan, H.
Source: Self-asserted source
Héctor Valdés via ResearcherID

Zeolites as recyclable adsorbents/catalysts for biogas upgrading: Removal of octamethylcyclotetrasiloxane

Chemical Engineering Journal
2017 | Journal article
WOSUID:

WOS:000387298200086

Contributors: Cabrera-Codony, Alba; Georgi, Anett; Gonzalez-Olmos, Rafael; Valdes, Hector; Martin, Maria J.
Source: Self-asserted source
Héctor Valdés via ResearcherID

Application of D-optimal design for modelling the adsorption of Cl-VOCs onto modified natural zeolites,Aplicación del diseño D-optimal en la modelación de la adsorción de COVs-Cl sobre zeolitas naturales chilenas modificadas

Ingeniare
2016 | Journal article
EID:

2-s2.0-85006165696

Contributors: Riquelme, A.L.; Valdés, H.
Source: Self-asserted source
Héctor Valdés via Scopus - Elsevier

Application of high silica zeolite ZSM-5 in a hybrid treatment process based on sequential adsorption and ozonation for VOCs elimination

Journal of Environmental Sciences
2016 | Journal article
WOSUID:

WOS:000373231400008

Contributors: Zaitan, Hicham; Manero, Marie Helene; Valdes, Hector
Source: Self-asserted source
Héctor Valdés via ResearcherID

Removal of Benzothiazole from Contaminated Waters by Ozonation: The Role of Direct and Indirect Ozone Reactions

Journal of Advanced Oxidation Technologies
2016 | Journal article
WOSUID:

WOS:000382325600018

Contributors: Valdes, Hector; Zaror, Claudio A.; Jekel, Martin
Source: Self-asserted source
Héctor Valdés via ResearcherID
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