Listar IQ - Artículos por título
Mostrando ítems 19-38 de 48
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Effect of heating rate and H3PO4 as catalyst on the pyrolysis of agricultural residues
(Elsevier, 2022-11)This study reports the effect of heating rate and the addition of H3PO4 on the pyrolysis of three representative agricultural wastes of different lignocellulosic composition, namely pistachio shell, bitter orange peel, and ... -
Efficient methanol dehydration to DME and light hydrocarbons by submicrometric ZrO2-ZSM-5 fibrillar catalysts with a shell-like structure
(Elsevier, 2022-01-20)Zeolites are widely used in many applications, such as catalysis and adsorption processes. The use of these materials in a nanometric size would be of great interest for these applications, due to the better performance ... -
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 ... -
Experimental methods in chemical engineering: X-rayabsorption spectroscopy—XAS, XANES, EXAFS
(Wiley, 2021-08-21)Although X-ray absorption spectroscopy (XAS) was conceived in the early 20th century, it took 60 years after the advent of synchrotrons for researchers to exploit its tremendous potential. Counterintuitively, researchers ... -
Fischer-Tropsch synthesis over lignin-derived cobalt-containing porous carbon fiber catalysts
(Elsevier, 2023)Cobalt-containing lignin-based fibers were synthesized in one step by electrospinning of Alcell lignin solutions as carbon precursor, a low-cost and renewable co-product of the paper making industry. The lignin fibers were ... -
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 ...