Buscar
Mostrando ítems 1-10 de 56
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
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
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) ...
Artículo
Methodological development for the optimisation of electricity cost in cement factories: the use of artificial intelligence in process variables
(Springer Science and Business Media Deutschland GmbH, 2022)
Cement factories require large amounts of energy. 70% of the variable cost goes to energy—33% to kiln thermal energy and 37% to electrical energy. This paper represents the second stage of a broader research study which ...
Artículo
La restauración del Pabellón del Perú (Sevilla, 1927): selección y análisis del tratamiento de hidrofugación
(Universitat Politècnica de València, 2021)
El Pabellón del Perú fue construido para la Exposición Iberoamericana de 1929 en Sevilla. En 2017, el edificio presentaba un alto grado de suciedad, grietas y desprendimiento de fragmentos como principales manifestaciones ...
Artículo
Techno-economic and Life-Cycle Assessment of One-Step Production of 1,3-Butadiene from Bioethanol Using Reaction Data under Industrial Operating Conditions
(ACS Publications, 2020-07)
A process to produce 1,3-butadiene (1,3-BD) from ethanol in a one-step reaction with a Hf-Zn catalyst was designed using experimental data from the catalyst performance under industrial conditions, taking into account the ...