Listar IQ - Artículos por fecha de publicación
Mostrando ítems 1-20 de 86
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The role of Lewis acidic vanadium centers in DME steam reforming over V-Ni catalysts
(Elsevier, 2012-05-05)Dimethyl ether (DME) as a potential chemical storage of renewable energy was studied for decomposition and steam reforming (DME SR) to produce hydrogen-rich streams over V-Ni/Al2O3 catalysts. The extent of DME decomposition, ... -
Hierarchical porous carbons by liquid phase impregnation of zeolite templates with lignin solution
(ELSEVIER, 2014-05-09)Templated carbon materials (TCs) with hierarchical pore structure were obtained by liquid phase impreg- nation of different zeolite templates using Alcell lignin solutions as carbon precursor. The effect of synthesis ... -
Preparation of different carbon materials by thermochemical conversion of lignin.
(Frontiers, 2014-12-04)Lignin valorization plays a crucial role within the modern biorefinery scheme from both the economic and environmental points of view; and the structure and composition of lignin makes it an ideal precursor for the preparation ... -
Removal of paracetamol on biomass-derived activated carbon: Modelling the fixed bed breakthrough curves using batch adsorption experiments
(Elsevier, 2015-05-04)The remediation of paracetamol (PA), an emerging contaminant frequently found in wastewater treatment lants, has been studied in the low concentration range (0.3-10 mg L-1) using as adsorbent a biomass-derived activated ... -
Biomass-derived binderless fibrous carbon electrodes for ultrafast energy storage.
(Royal Society of Chemistry, 2015-10-14)The possibility of storing energy efficiently and sustainably at little cost is crucial to prevent climate change and the exhaustion of natural resources. In this work we demonstrate that interconnected and porous carbon ... -
Carbon/H-ZSM-5 composites as supports for bi-functional Fischer-Tropsch synthesis catalysts
(Royal Society of Chemistry, 2016)Mesoporous H-ZSM-5–carbon composites, prepared via tetrapropylammonium hydroxide (TPAOH) post treatment of H-ZSM-5 followed by deposition of pyrolytic carbon, have been used as the support for the preparation of Co-based ... -
Role of surface phosphorus complexes on the oxidation of porous carbons.
(Elsevier, 2016-12-14)Chemical activation of olive stone with phosphoric acid produces activated carbons with relatively high content of P surface groups that remain very stable on the carbon surface at relatively high temperatures. Changes in ... -
High-performance activated carbon from polyaniline for capacitive deionization
(Elsevier, 2017)Activated carbons prepared using polyaniline (PAni), a N-containing precursor, doped with different anions were successfully employed in this work as electrode materials for capacitive deionization. The aim of this ... -
Lignin-derived Pt supported carbon (submicron)fiber electrocatalysts for alcohol electro-osidation.
(Elsevier, 2017-04-03)Lignin fibers, with and without phosphorus, and loaded with platinum have been prepared in a single step by electrospinning of lignin/ethanol/phosphoric acid/platinum acetylacetonate precursor solutions. Thermochemical ... -
Hematite porous architectures as enhanced air purification photocatalyst.
(Elselvier, 2019)Different a-Fe2O3 porous architectures were obtained by electrospinning (nanotubes) or without elec trospinning (flakes), and heating treatments using Fe(NO3)2/PVP (Polyvinylpyrrolidone) as a precursor. The particles ... -
Ga-doped IZO films obtained by magnetron sputtering as transparent conductors for visible and solar applications.
(Elselvier, 2019)C-axis textured thin films of gallium-doped indium zinc oxide (GIZO) with a 2% ratio of Ga/Zn, were obtained via RF-magnetron sputtering with high transparency and electrical conductivity. A Box-Behnken response surface ... -
The use of respirometry as a tool for the diagnosis of waste water treatment plants. A real case study in Southern Spain.
(Elsevier, 2019)The influence of operating conditions of wastewater treatment plants in microbial composition of activated sludge should be controlled to evaluate the efficiency of the plant. Respirometry has been widely applied as a ... -
Optimization of Ni (II) biosorption from aqueous solution on modified lemon peel.
(Elsevier, 2019)The valorization of agricultural waste peels as a low-cost biosorbent is a promising approach to water treatment. In this work, the improvement of the adsorption capacity of lemon peel to remove Ni (II) from aqueous effluents ... -
Phosphorus-containing mesoporous carbon acid catalyst for methanol dehydration to dimethyl ether.
(ACS Publications, 2019-02-14)Catalytic dehydration of methanol on an acid carbon catalyst prepared by chemical activation of olive stone with H3PO4 is reported. This preparation methodology produces carbons with a well-developed porous texture and ... -
Electrodialytic processes in solid matrices. New insights into batteries recycling. A review.
(2019-02-26)Electrodialytic Remediation has been widely applied to the recovery of different contaminants from numerous solid matrices solving emerging issues of environmental concern. Results and conclusions reported in studies about ... -
Activated carbon monoliths from lignocellulosic biomass waste for electrochemical applications.
(Elsevier, 2019-03-05)The valorization of lignocellulosic biomass waste into bio-based materials is proposed in this work in order to obtain low-cost materials and to reduce environmental impacts. Cylindrical activated carbon monoliths (ACMs) ... -
The fascinating effect of niobium as catalytic promoting agent.
(Elsevier, 2019-04-20)Niobium is a very important element in catalysis, active component of many catalytic systems. But it is not only a major component in many catalytic systems; in addition, it is usually used as a key promoter, because it ... -
Influence of CO2 and H2O co-feeding in the NOx abatement by SCR over an efficient Cu-CHA catalyst.
(Elsevier, 2019-06-29)Cu-SAPO-34 materials with 2 wt% of copper synthesized in one pot with all the copper inside the framework are hydrothermally stable. Copper oxide species were not detected by XRD after thermal and hydrothermal aging at 750 ... -
Coupling of glycerol-APR and in situ hydrodeoxygenation of fatty acid to produce hydrocarbons
(Elsevier, 2019-07-22)Glycerol valorization by coupling APR to yield hydrogen with hydrogenation of a model compound as tandem reactions is approached using Pt-Ni/Al2O3 as efficient catalyst. Oleic acid is used as a C18 fatty acid model compound ...