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Mostrando ítems 1-10 de 20
Artículo
Pb2+, Cd2+ and Hg2+ removal by designed functionalized swelling high-charged micas
(Elsevier, 2021)
The increasing accumulation of toxic heavy metals in the environment has generated the need of efficient removal systems, being the adsorption method the most popular one applied in aqueous solutions. Of particular concern ...
Artículo
New 3D Printing Strategy for Structured Carbon Devices Fabrication
(MDPI, 2023)
This work shows a new method for the preparation of 100% carbon-structured devices. The method is based on resorcinol-formaldehyde polymerization, using starch as a binder with the addition of a certain amount of external ...
Artículo
Spinel Ferrite Catalysts for CO2 Reduction Via Reverse Water Gas Shift Reaction
(Elsevier, 2023)
The production of CO via Reverse Water Gas Shift (RWGS) reaction is a suitable route for CO2 valorization. In this study a series of modified spinels AB2O4 (A site = Ni, Zn and Cu and B site=Fe) are investigated as RWGS ...
Artículo
Structural, Vibrational, and Magnetic Characterization of Orthoferrite LaFeO3 Ceramic Prepared by Reaction Flash Sintering
(Multidisciplinary Digital Publishing Institute (MDPI), 2023)
LaFeO3 perovskite ceramics have been prepared via reaction flash technique using Fe2O3 and La2O3 as precursors. The obtained pellets have been investigated using several techniques. The formation of LaFeO3 has been clearly ...
Artículo
R-curve Evaluation of 3YTZP/Graphene Composites by Indirect Compliance Method
(Elsevier, 2023)
This work addresses the crack growth resistance of 3 mol% Yttria-doped Tetragonal Zirconia Polycrystalline (3YTZP) spark-plasma sintered (SPS) composites containing two types of graphene-based nanomaterials (GBN): exfoliated ...
Artículo
Cation-driven electrical conductivity in Ta-doped orthorhombic zirconia ceramics
(Elsevier, 2021)
This paper is devoted to the study of the electrical conductivity of tantalum-doped zirconia ceramics prepared by spark plasma sintering. In this study, the temperature dependence of conductivity in as-prepared specimens ...
Artículo
Formic Acid Dehydrogenation over Ru- and Pd-Based Catalysts: Gas- vs. Liquid-Phase Reactions
(Multidisciplinary Digital Publishing Institute (MDPI), 2023)
Formic acid has recently been revealed to be an excellent hydrogen carrier, and interest in the development of efficient and selective catalysts towards its dehydrogenation has grown. This reaction has been widely explored ...
Artículo
Surface Defect Engineered Nano-Cu/TiO2 Photocatalysts for Hydrogen Production
(Wiley-V C H Verlag GMBH, 2023-12-21)
Surface defects engineered nano-Cu/TiO2 photocatalysts are synthesized through an easy and cost-effective microwave-assisted hydrothermal synthesis, mixing commercial P25 titania (TiO2) and oxalic acid (Ox), followed by ...
Artículo
H2 Production from NH3 in a BaTiO3 Moderated Ferroelectric Packed-Bed Plasma Reactor
(Springer Nature, 2023)
Plasma decomposition reactions are used for various gas phase chemical processes including the decomposition of ammonia. In this work we show that pure ammonia can be effectively decomposed at atmospheric pressure and ...
Artículo
Germination and First Stages of Growth in Drought, Salinity, and Cold Stress Conditions of Plasma-Treated Barley Seeds
(American Chemical Society, 2023)
Numerous works have demonstrated that cold plasma treatments constitute an effective procedure to accelerate seed germination under nonstress conditions. Evidence also exists about a positive effect of plasmas for germination ...