[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Morales et al., 2020 - Google Patents

Heterogeneous acid catalysts prepared by immobilization of H3PW12O40 on silica through impregnation and inclusion, applied to the synthesis of 3H-1, 5 …

Morales et al., 2020

Document ID
10350190824364894976
Author
Morales M
Infantes-Molina A
Lázaro-Martínez J
Romanelli G
Pizzio L
Rodríguez-Castellón E
Publication year
Publication venue
Molecular Catalysis

External Links

Snippet

Solid acid catalysts were successfully prepared using mesoporous silica (MESOSI) as support and tungstophosphoric acid (KTPA) as active phase, which was incorporated by impregnation (MESOSI# KTPA) and inclusion (MESOSI@ KTPA). TEM (transmission …
Continue reading at www.sciencedirect.com (other versions)

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/02—Solids
    • B01J35/10—Solids characterised by their surface properties or porosity
    • B01J35/1052—Pore diameter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/14—Phosphorus; Compounds thereof
    • B01J27/186—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J27/188—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with chromium, molybdenum, tungsten or polonium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/002—Catalysts characterised by their physical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/08—Heat treatment
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B37/00—Compounds having molecular sieve properties but not having base-exchange properties
    • C01B37/02—Crystalline silica-polymorphs, e.g. silicalites dealuminated aluminosilicate zeolites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites

Similar Documents

Publication Publication Date Title
Morales et al. Heterogeneous acid catalysts prepared by immobilization of H3PW12O40 on silica through impregnation and inclusion, applied to the synthesis of 3H-1, 5-benzodiazepines
Kumar et al. Aminolysis of epoxides catalyzed by three-dimensional, mesoporous titanosilicates, Ti-SBA-12 and Ti-SBA-16
Morales et al. Aqueous-sensitive reaction sites in sulfonic acid-functionalized mesoporous silicas
Parida et al. Manganese containing MCM-41: Synthesis, characterization and catalytic activity in the oxidation of ethylbenzene
Zeng et al. Post-synthesis alumination of SBA-15 in aqueous solution: A versatile tool for the preparation of acidic Al-SBA-15 supports
Abdalla et al. Direct synthesis of mesoporous (C19H42N) 4H3 (PW11O39)/SiO2 and its catalytic performance in oxidative desulfurization
Gallo et al. Silylation of [Nb]-MCM-41 as an efficient tool to improve epoxidation activity and selectivity
Chatterjee et al. Characterization of tetrahedral vanadium-containing MCM-41 molecular sieves synthesized at room temperature
Ye et al. Preparation of highly efficient and stable Fe, Zn, Al-pillared montmorillonite as heterogeneous catalyst for catalytic wet peroxide oxidation of Orange II
Wu et al. Synthesis, characterization and catalytic application of mesoporous molecular sieves SBA-15 functionalized with phosphoric acid
Popa et al. The influence of surface coverage on textural, structural and catalytic properties of cesium salts of 12-molybdophosphoric acid supported on SBA-15 mesoporous silica
Yan et al. Synthesis and catalytic properties of mesoporous phosphotungstic acid/SiO2 in a self-generated acidic environment by evaporation-induced self-assembly
Caliman et al. Preparation and characterization of H3PW12O40 supported on niobia
Suvanto et al. High-cobalt-loaded MCM-41 via the gas-phase method
Wu et al. Synthesis of lacunary polyoxometalate encapsulated into hexagonal mesoporous silica and their catalytic performance in esterification
Guo et al. Sol–Gel Synthesis and Characterisation of Nanoscopic FeF3‐MgF2 Heterogeneous Catalysts with Bi‐Acidic Properties
Soumoy et al. Hafnium-doped silica nanotubes for the upgrading of glycerol into solketal: Enhanced performances and in-depth structure-activity correlation
Canesson et al. Local environment of phosphorus atoms in CoAPO4-n molecular sieves: a 31P NMR study
Collignon et al. Investigation of the coordination state of aluminum in β zeolites by X-ray photoelectron spectroscopy
Zsirka et al. Compositional, structural, and surface characterization of heat-treated halloysite samples: Influence of surface treatment on photochemical activity
Esther Leena Preethi et al. Phenol hydroxylation using Fe/Al-MCM-41 catalysts
Lei et al. Oxidative desulfurization of diesel fuel by mesoporous phosphotungstic acid/SiO 2: the effect of preparation methods on catalytic performance
Anpo et al. The effect of the framework structure on the chemical properties of the vanadium oxide species incorporated within zeolites
Ye et al. Novel Ti and Mn mesoporous molecular sieves: synthesis, characterization and catalytic activity in the epoxidation of vegetable oil
Kumar et al. Selective oxidation of cyclic olefins over framework Ti-substituted, three-dimensional, mesoporous Ti-SBA-12 and Ti-SBA-16 molecular sieves