Listar IQ - Contribuciones a congresos científicos por título
Mostrando ítems 61-80 de 129
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Generación de grupos superficiales oxigenados en carbones activados con H3PO4
(2013-11-05)Los carbones activados preparados mediante activación química de residuos lignocelulósicos con ácido fosfórico presentan, además de una elevada superficie específica, una química superficial muy particular debido a la ... -
Green synthesis of cellulose Nanoparticles for their use in biomedicine
(2023-05-30)Recently, nanoscience has been developed as a new branch of science to obtain material at the nanometre scale. Cellulose is a polysaccharide whose molecular structure consists of D-glucopyranose units linked by β(1→4) ... -
Heterogeneización del proceso continuo para la conversión de glicerol a Solketal utilizando un catalizador estructurado monolítico de base carbonosa
(2019-10-09)Se ha desarrollado un catalizador estructurado de base carbonos hidrofobia y funcionalidad con grupos sulfúricos estables no lixiviables que permite la operación en continuo de la acetalización de glicerol con acetona de ... -
High temperature treatments of porous activated carbon
(2018-07-12)The use of biomass waste for the preparation of activated carbon is of great industrial interest for reducing costs and increasing the sustainability, especially in the field of energy storage. A high temperature treatment ... -
Highly conductive microporous carbon fibers by electrospinning of lignin/phosphoric acid/ethanol solutions
(2019-11-06)This contribution reports the preparation of electrospun lignin-based carbon fibers at different carbonization temperatures and the influence of heat treatments at temperatures ranging from 900 to 1600 ºC. The influence ... -
Hydrogen co-injection as a bridged technology for internal combustion engines
(International congress on Catalysis and Automotive Pollution Control – 12th edition CAPoC12, 2022)In order to survive at media-term, diesel engines need a new approach for the use of the new fuel portfolio and to control the exhaust gas emissions. Hydrogen has been proposed as an alternative due to its excellent ... -
Improving Cr (VI) Extraction through Electrodialysis
(2019-10-08)A laboratory study has been carried out to determine the feasibility of in situ remediation of chromium (VI) contaminated soil using electrodialysis. In a classic setup, this technique implies the application of a low ... -
In situ characterization of porous VPO catalysts with fibrous structure: Identifying the redox behavior and the stability of active sites
(2016-09-09)Two VPO materials with fibrillar morphology have been prepared by the aid of electrospinning technique. One is a VPO carbon-supported material (VCF200) with fibrous morphology and very high surface area that is stable under ... -
Incorporation of an alkaline-alkaline earth metal in an unsupported bimetallic Ni-containing catalyst for the CO2-SR technology.
(2023)Introduction. In the past decades, global warming resulting from the emission of greenhouse gases, consisting mainly of carbon dioxide and methane, has become one of society’s main concerns. In this context, there has ... -
Influence of alkalinity addition on biomethanization of fruit and vegetable waste and sewage sludge performance. Batch study
(2014-10-30)Fruit and vegetable wastes (FVW) are generated in large quantities around the world. This kind of residue constitutes a source of nuisance in municipal landfills because of its high biodegradability. Their high moisture ... -
Influence of chemical reaction kinetics on electrokinetic remediation modelling results
(2017-10-11)A numerical model describing transport of multiple species and chemical reactions during electrokinetic treatment is presented. The transport mechanisms included in the model were electromigration and electroosmosis. The ... -
Influencia de la presencia de compuestos superficiales de P sobre la funcionalización de carbones activos con HNO3
(2015-11-06)La funcionalización con ácido nítrico es un método ampliamente estudiado para la incorporación de grupos funcionales de oxígeno en la superficie de carbones activos, tales como grupos carboxilos, anhídridos, lactonas y ... -
Interpretation of the titration and solubility curves of a soil contaminated by heavy metals using freeware chemical equilibrium speciation software
(Northeastern University, 2013)The buffer capacity of the soil is one of the most important parameters in assessing the feasibility of different remediation techniques of soils contaminated by heavy metals (washing, flushing, electroremediation, etc.). ... -
Kinetic and thermodynamic studies on biosorption of Ni (II) and Cd (II) by chemically modified lemon peel
(2020-09-23)The valorization of agricultural wastes as biosorbent represents a promising circular economy strategy: a waste is applied for the treatment of wastewater containing contaminants. This work is focused on the removal of Ni ... -
Kinetic study of methanol dehydration over Zro2 supported-activated carbons
(2018-07-12)The growing concerns about climate change and energy consumption have been the driving force in seek of alternative fuels such as DME, mainly produced via methanol dehydration over a solid acid catalyst. The use of ... -
Kinetic study of methanol dehydration to DME on Zr-loaded P-containing mesoporous activated carbon catalyst
(2019-06-28)The selective methanol dehydration to DME using a Zr-loaded P-containing activated carbon catalyst have been studied. The activated carbon was prepared by chemical activation of olive stones with phosphoric acid. Then, the ... -
Kinetic study of steam gasification of lignocelullosic biomass char obtained from pyrolysis
(2023)Hydrogen plays a key role in the energy transition towards a more sustainable model based on renewable energies, as it has the capacity to solve two major problems: i) reducing dependence on fossil fuels and ii) reducing ... -
Lab scale study of the influence of the acid strength over the performance of an acid-enhanced electrokinetic remediation
(Northeastern University, 2013)It is widely accepted that, when an electrokinetic remediation (EKR) is performed for the cleanup of most toxic metals, an enhancement is needed. During the unenhanced EKR the reactions at the electrodes, probably water ... -
Leaching of LiCoO2 using H2O2 as reductant
(2020-09-29)The growing use of Lithium-Ion batteries (LIBs) in the field of electric vehicles and renewable energy storage entails the production of toxic and environmental hazardous wastes. Furthermore, some components in these ... -
Life cycle assessment of aluminium cans and glass bottles
(2020-09-29)In this work, we present a simplified LCA on two commom products: an aluminum can and a glass bottle, both containing the same amoung of beverage (1/3 L of beer). The work presented here seeks to find out which option would ...