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Microporous, crystalline zeolitic material, designated ITQ-32, used as catalyst for organic transformation and for separation or adsorption of organic compounds

Authors: Corma, Avelino; Cantín, Ángel; Rey García, Fernando; Valencia, Susana; Leiva, Sandra;

Microporous, crystalline zeolitic material, designated ITQ-32, used as catalyst for organic transformation and for separation or adsorption of organic compounds

Abstract

[ES] Material cristalino microporoso de naturaleza zeolítica, zeolita ITQ-32, procedimiento de preparación y uso. La presente invención se refiere a un material cristalino microporoso de naturaleza zeolítica, ITQ-32, caracterizado porque tiene, en estado calcinado y en ausencia de defectos en su red cristalina manifestados por la presencia de silanoles, la fórmula empírica en la que M está seleccionado entre H+, al menos un catión inorgánico de carga +n, X es al menos un elemento químico de estado de oxidación +3, Y es al menos un elemento químico con estado de oxidación +4 distinto de Si, x toma un valor comprendido entre O y 0,2, ambos incluidos, y toma un valor comprendido entre O y 0,1, ambos incluidos, y porque el material, tal y como se sintetiza, tiene un patrón de difracción de rayos X con, al menos, los valores de ángulo 28 (grados) e intensidades relativas mostrados en la tabla 1, a su procedimiento de preparación y a su uso en procesos de transformación, adsorción y separación de compuestos orgánicos.

[EN] A zeolitic, crystalline, microporous material (A; ITQ-32) characterized by empirical formula and X-ray diffraction data is new. A zeolitic, crystalline. microporous material (A) having an empirical formula (when calcined and in absence of any defects in the crystal lattice) x M1/nXO2:y YO2: SiO2 is new. It is characterized by having, as synthesized, the following X-ray diffraction pattern (2theta +- 0.5, relative intensity):7.3, f; 8.8, mf; 9.7, d; 16.4, d; 19.6, f; 20.2, f; 21.0, f; 21.9, f; 24.2, m; 26.0, m; 27.0, m; 27.5, m; where d = 0-20%; m = 20-40%; f = 40-60% and mf = 60-100%. M = hydrogen cations and/or at least one inorganic cation of charge n; X = at least one element in +3 oxidation state; Y = at least one element in +4 oxidation state, other than Si; x = 0-0.2; y = 0-0.1. An independent claim is included for the preparation of (A)

Fecha de presentación internacional: 02.02.2005. - Titulares: Consejo Superior de Investigaciones Científicas (CSIC). - Universidad Politécnica de Valencia

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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