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Mostrando ítems 1-10 de 74
Artículo
Development of Geopolymer Mortars Using Air-Cooled Blast Furnace Slag and Biomass Bottom Ashes as Fine Aggregates
(MDPI, 2023)
The aim of this study is to compare the mechanical and physical properties of different geopolymer mortars made with granulated blast furnace slag as a geopolymer source material, NaOH (8 M) as the activating solution, ...
Artículo
Conversion of aqueous ethanol/acetaldehyde mixtures into 1,3-butadiene over a mesostructured Ta-SBA-15 catalyst: Effect of reaction conditions and kinetic modelling
(Elsevier, 2022-02)
This paper studies key issues for the design of industrial ethanol to 1,3-butadiene two-step processes, focusing on the second catalytic reaction step, for which a Ta-SBA-15 catalyst was chosen as a representative of the ...
Artículo
Catalytic Converters for Vehicle Exhaust: Fundamental Aspects and Technology Overview for Newcomers to the Field
(MDPI, 2021-06)
This works aims to provide an understanding on basic chemical kinetics pertaining to three-way catalytic (TWC) converters from an educational perspective, aimed at those novel readers in this field. Rate of reactions and ...
Artículo
Hydrogen production from landfill biogas: Profitability analysis of a real case study
(Elsevier, 2022-09)
Hydrogen is not only considered as a cornerstone within renewable energy portfolio but it is also a key enabler for CO2 valorisation being a central resource for industrial decarbonization. This work evaluates the profitability ...
Artículo
From biogas upgrading to CO2 utilization and waste recycling: A novel circular economy approach
(Elsevier, 2021-05)
Herein a novel process to synergize biogas upgrading, CO2 utilization and waste recycling is proposed. Our study emerges as a promising strategy within the circular economy. In this work, the technical feasibility of ...
Artículo
EUR-ACE accreditation for chemical engineering in Spain: Current situation, lessons learned and challenges
(Elsevier, 2023)
The accreditation of engineering programmes is a subject of great interest in the last decades. However, most studies in the literature are focused on case studies or deal with the different levels of acceptance of the ...
Artículo
Is anaerobic digestion a feasible alternative to the combustion of olive mill solid waste in terms of energy production? A critical review
(John Wiley and Sons Ltd, 2021)
The use of olive mill solid waste (OMSW) for energy production has mainly been promoted through combustion processes. However, the EU is promoting the substitution of combustion in favor of greener alternatives. Several ...
Artículo
Kinetic modelling of the one-step conversion of aqueous ethanol into 1,3-butadiene over a mixed hemimorphite-HfO2/SiO2 catalyst
(Elsevier, 2021-06)
A kinetic model for the one-step conversion of ethanol into 1,3-butadiene over a mixed hemimorphite-HfO2/SiO2 catalyst has been developed, which, as a novelty, accounts for the effect of water content in ethanol on the ...
Artículo
Biogas upgrading to biomethane as a local source of renewable energy to power light marine transport: Profitability analysis for the county of Cornwall
(Elsevier, 2022-01)
In this work, the use of biomethane produced from local biogas plants is proposed as renewable fuel for light marine transport. A profitability analysis is performed for three real biogas production plants located in ...
Artículo
Exploring the regeneration of mordenite catalyst in dimethyl ether carbonylation reaction
(Universidad Autónoma Metropolitana, Unidad Iztapalapa, 2020)
Dimethyl ether carbonylation (DME) to produce methyl acetate (MA) over mordenite catalysts is attracting much attention because of its high selectivity. However, acidic mordenite suffers from a fast deactivation (coking) ...