Listar IQ - Artículos por título
Mostrando ítems 24-43 de 48
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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 ... -
Highly porous and conductive functional carbon fibers from electrospun phosphorus-containing lignin fibers
(Francisco J. García-Mateos, Juana M. Rosas, Ramiro Ruiz-Rosas, José Rodríguez-Mirasol, Tomás Cordero, Highly porous and conductive functional carbon fibers from electrospun phosphorus-containing lignin fibers, Carbon, Volume 200, 2022, Pages 134-148, ISSN 0008-6223, https://doi.org/10.1016/j.carbon.2022.08.050, 2022-11-05)Functional carbon fibers were prepared by carbonization of thermostabilized electrospun lignin-fibers at 500–900 °C followed by a high temperature thermal treatment at 1200–1600 °C. The effect of the preparation temperature ... -
Hydrometallurgical extraction of Li and Co from LiCoO2 particles–Experimental and Modeling
(MDPI, 2020-09-13)The use of lithium-ion batteries as energy storage in portable electronics and electric vehicles is increasing rapidly, which involves the consequent increase of battery waste. Hence, the development of reusing and recycling ... -
Incentivizing Student Participation in QAS Questionnaires: An Evaluation of a Guaranteed Prize System at the University of Malaga.
(MPDI, 2024-02-21)This paper investigates the effects of a guaranteed prize incentive, in the form of an extra score, on student engagement in the quality assurance system (QAS) questionnaires employed for evaluating teaching performance ... -
Isotopic study of the influence of oxygen interaction and surface species over different catalysts on the soot removal mechanism
(Elsevier, 2021)In order to improve the catalytic formulations for soot removal in after-treatment emission control technologies for gasoline and diesel engine vehicle, an isotopic study was approached using transitory labeled oxygen ... -
Modeling of Electrokinetic Remediation Combining Local Chemical Equilibrium and Chemical Reaction Kinetics
(2020-02-24)A mathematical model for reactive-transport processes in porous media is presented. The modeled system includes diffusion, electromigration and electroosmosis as the most relevant transport mechanism and water electrolysis ... -
Morphological changes of vanadyl pyrophosphate due to thermal excursions
(Elsevier, 2023-01-01)Vanadyl pyrophosphate (VPP) is the active catalytic phase that converts n-butane to maleic anhydride in fixed beds, fluidized beds, and DuPont’s circulating fluidized bed (CFB). The original CFB concept was based on the ... -
NiGa Unsupported Catalyst for CO2 Hydrogenation at Atmospheric Pressure. Tentative Reaction Pathways
(American Chemical Society, 2021-12-06)The hydrogenation of CO2 is presented as a catalytic strategy for CO2 utilization and an approach to the development of sustainable processes to obtain products with high added value, such as CO, CH4, and CH3OH. An unsupported ... -
Operando Reactor-Cell with Simultaneous Transmission FTIR and Raman Characterization (IRRaman) for the Study of Gas-Phase Reactions with Solid Catalysts.
(American Chemical Society, 2020-03-10)Raman and transmission FTIR spectroscopic techniques have been coupled in a new homemade reactor-cell designed in a joint CSIC–LCS collaboration. The setup is easily adapted to any FTIR and fiber-coupled Raman spectrometers ... -
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 ... -
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 ... -
Rapid scan FTIR reveals propane (am)oxidation mechanisms over vanadium based catalysts.
(Elsevier, 2020-08-06)Rapid scan FTIR coupled with Mass Spectrometry (MS) has been used to determine the role of spectroscopically observed species in the reaction media during propane dehydrogenation over a V/Al catalyst, and propane ammoxidation ... -
Recovery of Li and Co from LiCoO2 via Hydrometallurgical–Electrodialytic Treatment
(MDPI, 2020-03-27)Lithium-ion batteries play an important role in our modern society as the main option to power portable electronic devices and electric vehicles. The growing demand for these batteries encourages the development of more ... -
Removal of polycyclic aromatic hydrocarbons (PAHs) in conventional drinking water treatment processes
(Elsevier, 2021-09-16)The presence of polycyclic aromatic hydrocarbons (PAHs) in water poses a serious threat to the human health due to their toxic effects. Therefore, the removal of these compounds from drinking water in Potable Water Treatment ... -
Research progress on the applications of electrospun nano-fibers in catalysis.
(MDPI, 2021-12-23)During the last two decades, electrospinning has become a very popular technique for the fabrication of nanofibers due to its low cost and simple handling. Nanofiber materials have found utilization in many areas such as ... -
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 ... -
Sequential extraction procedure: a versatile tool for environmental research
(CISA publisher, 2020-12-28)The sequential extraction procedure as a tool to assess the environmental risk of metals in solid matrices has been widely studied. In this work, other promising application of these methods is proposed: the evaluation of ... -
Silicon solar cell production line and key performance indicators: A case of study at front size serigraphy stage
(Elsevier, 2022-07-22)Photovoltaic industry has devices power improvement as a main target. This implies that technological advances are continuously implemented in production lines and their power improvements have to be monitored with the ... -
Silver Nanoparticle Arrays onto Glass Substrates Obtained by Solid-State Thermal Dewetting: A Morphological, Structural and Surface Chemical Study
(IOAP-MPDI, 2022-02-11)Silver nanoparticles (NPs) on glass substrates were obtained by a solid-state thermal dewetting (SSD) process using vacuum-evaporated-silver precursor layers. An exhaustive investigation of the morphological, structural, ...