Zobrazeno 1 - 10 of 62 pro vyhledávání: '"Beatriz, Zeifert"'
1
Akademický článek
Effects of the Acidic and Textural Properties of Y-Type Zeolites on the Synthesis of Pyridine and 3-Picoline from Acrolein and Ammonia
Autor: Israel Pala-Rosas, José Luis Contreras, José Salmones, Ricardo López-Medina, Deyanira Angeles-Beltrán, Beatriz Zeifert, Juan Navarrete-Bolaños, Naomi N. González-Hernández
Publikováno v: Catalysts, Vol 13, Iss 4, p 652 (2023)
A set of Y-type zeolites with Si/Al atomic ratios between 7–45 were studied as catalysts in the aminocyclization reaction between acrolein and ammonia to produce pyridine and 3-picoline. The catalytic activity tests at 360 °C revealed that the acr
Externí odkaz: https://doaj.org/article/cb1615e77ae3470684e6756526870843
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2
Akademický článek
Stabilization of Pt in SiO2–Al2O3 Microspheres at High Mechanical Resistance, Promoted with W Oxides for the Combustion of CO
Autor: Arturo Pallares-García, José Luis Contreras, Jennipher Pérez-Cabrera, Beatriz Zeifert, Tamara Vázquez, José Salmones, Miguel Angel Gutiérrez-Limón
Publikováno v: Catalysts, Vol 11, Iss 11, p 1320 (2021)
This study shows the development of a combustion promoter for the oil-refining process called fluid catalytic cracking (FCC). The investigation of a catalyst prepared for the combustion of CO composed of 0.05 wt% Pt supported on SiO2–Al2O3–0.5 wt
Externí odkaz: https://doaj.org/article/4746b6e8722542309951cb193cd84c9c
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3
Sustainable Synthesis of Pyridine Bases from Glycerol
Autor: Israel, Pala-Rosas, L., Contreras, José, José, Salmones, Ricardo, López-Medina, Beatriz, Zeifert, N., González Hernández, omi
Catalytic processes have been developed to obtain pyridine bases from glycerol, either by direct conversion or with acrolein as an intermediate. When producing acrolein as an intermediate, the reaction may proceed in a single reactor at temperatures
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=intech______::5b103edb1c5db4416b56a33bf63fa2cb
https://mts.intechopen.com/articles/show/title/sustainable-synthesis-of-pyridine-bases-from-glycerol
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5
Akademický článek
Catalytic Deactivation of HY Zeolites in the Dehydration of Glycerol to Acrolein
Autor: Israel Pala-Rosas, José L. Contreras, José Salmones, Beatriz Zeifert, Ricardo López-Medina, Juan Navarrete-Bolaños, Sofía Hernández-Ramírez, Jennipher Pérez-Cabrera, Andrés A. Fragoso-Montes de Oca
Publikováno v: Catalysts, Vol 11, Iss 3, p 360 (2021)
The study of the deactivation of HY zeolites in the dehydration reaction of glycerol to acrolein has represented a challenge for the design of new catalysts. HY zeolites with SiO2/Al2O3 molar ratios between 3.5 and 80 were studied. The solids were ch
Externí odkaz: https://doaj.org/article/b6f4627d13d347ddad80031df09f0897
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6
Akademický článek
Improved NOx Reduction Using C3H8 and H2 with Ag/Al2O3 Catalysts Promoted with Pt and WOx
Autor: Naomi N. González Hernández, José Luis Contreras, Marcos Pinto, Beatriz Zeifert, Jorge L. Flores Moreno, Gustavo A. Fuentes, María E. Hernández-Terán, Tamara Vázquez, José Salmones, José M. Jurado
Publikováno v: Catalysts, Vol 10, Iss 10, p 1212 (2020)
The addition of Pt (0.1 wt%Pt) to the 2 wt%Ag/Al2O3-WOx catalyst improved the C3H8– Selective Catalytic Reduction (SCR) of NO assisted by H2 and widened the range of the operation window. During H2–C3H8–SCR of NO, the bimetallic Pt–Ag catalys
Externí odkaz: https://doaj.org/article/dbaa2538154740e0b9d790dad5766602
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7
Catalytic Pyrolysis Process to Produce Styrene from Waste Expanded Polystyrene Using a Semi-Batch Rotary Reactor
Autor: Gerardo Pérez-Bravo, José Luis Contreras-Larios, Jorge Francisco Rodríguez, Beatriz Zeifert-Soares, Deyanira Angeles-Beltrán, Ricardo López-Medina, Tamara Vázquez-Rodríguez, José Salmones-Blasquez
Publikováno v: Sustainability; Volume 14; Issue 22; Pages: 14914
Thermal and catalytic pyrolysis of waste expanded polystyrene (WEPS) was studied to obtain mainly styrene monomer, which can be recycled in the polystyrene industry. Initially, preliminary experiments were carried out in a static semi-batch glass rea
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5650f1ddb0d99fc95311d73a49721761
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10
Akademický článek
CO2 Capture of the Gas Emission, Using a Catalytic Converter and Airlift Bioreactors with the Microalga Scenedesmus dimorphus
Autor: Citlalli Adelaida Arroyo, José Luis Contreras, Beatriz Zeifert, Clementina Ramírez C.
Publikováno v: Applied Sciences, Vol 9, Iss 16, p 3212 (2019)
A process composed by a catalytic converter and three sequential Airlift photobioreactors containing the microalga Scenedesmus dimorphus was studied to capture CO2, NOx, and CO from emissions of a steam boiler which was burning diesel. The catalytic
Externí odkaz: https://doaj.org/article/5dbadb0c04164ab4b0a38f109417ad33
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