Journal ArticleDOI
A Study of the Feasibility of Incorporation of Chromium into the Molecular Sieve Framework: The Transformation of 1-Butene over Cr-Silicoaluminophosphate Molecular Sieves
Douglas Escalante,L. Giraldo,Mariela Pinto,Carolina Pfaff,Virginia Sazo,M. Matjushin,Bernardo Méndez,Carmen López,Francisco J. Machado,J. Goldwasser,M.M. Ramírez de Agudelo +10 more
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TLDR
In this paper, the catalytic transformations of 1-butene were performed over a chromium-substituted silicoaluminophosphate molecular sieve (CrAPSO-11), over a Cr-supported SAPO-11 molecular sieving (Cr/SAPO-2011), and over two SAPO11 samples.About:
This article is published in Journal of Catalysis.The article was published on 1997-07-01. It has received 27 citations till now. The article focuses on the topics: Chromium & Molecular sieve.read more
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Journal ArticleDOI
Lewis acids as catalysts in oxidation reactions: from homogeneous to heterogeneous systems.
TL;DR: This review is focused on the use of solid Lewis acids to promote catalytic oxidations, and the core of the review is organized to show the evolution from the simplest strategy for heterogeneizing homogeneous catalysts, to the more elaborate ones in which the active sites are part of the solid structure.
Journal ArticleDOI
Transition-metal ions in aluminophosphate and silicoaluminophosphate molecular sieves: location, interaction with adsorbates and catalytic properties.
Martin Hartmann,Larry Kevan +1 more
Journal ArticleDOI
Porous Aluminophosphates: From Molecular Sieves To Designed Acid Catalysts
TL;DR: In this paper, the synthesis, characterization, and physico-chemical properties of microporous and mesoporous aluminophosphates and silicoaluminophosates molecular sieves are discussed.
Journal ArticleDOI
Synthesis and Characterization of Mesoporous Chromium-Containing Silica Tube Molecular Sieves CrMCM-41
TL;DR: In this article, a series of mesoporous chromium-containing silica tube molecular sieves (CrMCM-41) with variable Si/Cr ratios have been synthesized and characterized by powder X-ray diffraction (XRD), electron probe microanalysis (EPMA), Fourier transform infrared spectroscopy (FTIR), diffuse reflectance UV−visible spectroscopic (UV−vis), electron spin resonance (ESR), electron Spin-echo modulation (ESEM), Raman spectrograph, and N2 adsorption measurements.
Journal ArticleDOI
Substitution of transition metal ions into aluminophosphates and silicoaluminophosphates: characterization and relation to catalysis
Martin Hartmann,Larry Kevan +1 more
TL;DR: The literature related to the incorporation of transition metal ions (TMI) into aluminophosphate (AlPO) and silicoaluminophophosphates (SAPO) molecular sieves is reviewed in this article.
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J.D. Chen,Roger A. Sheldon +1 more