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Zeolita ITQ-7

Authors: Villaescusa, Luis A.; Camblor, Miguel Ángel;
Abstract

La presente invención se refiere a un material cristalino microporoso de naturaleza zeolítica denominado ITQ-7, al procedimiento de su preparación y a la utilización de ITQ-7 en procesos de separación y transformación de compuestos orgánicos. En estado calcinado y anhidro, la composición química del material ITQ-7 corresponde a la fórmula empírica:X(M{1/n}XO{sub,2}):y YO{sub,2}:SiO{sub,2}donde x posee un valor inferior a 0,06, pudiendo ser igual a cero; y tiene un valor inferior a 0,1, pudiendo ser igual a cero; M es H{sup,+} o un catión inorgánico de carga +n; X es un elemento químico de estado de oxidación +3(Al, Ga, B, Cr) e Y es un elemento químico con estado de oxidación +4(Ti, Ge, V). Cuando x=0 e y=0 el material ITQ-7 puede describirse como una nueva forma polimórfica de la sílice de carácter microporoso. El material zeolítico de esta invención se caracteriza también por su patrón de difracción de rayos X característico y sus propiedades microporosas. El proceso de preparación se caracteriza por el uso de uno o varios aditivos orgánicos en una mezcla de reacción que se hace cristalizar mediante calentamiento

Traducción de Patente Europea E99959428 (fecha de solicitud, 22/12/1999).-- Prioridad: ES199812229802697 .-- Titulares: Universidad Politécnica de Valencia (UPV), Consejo Superior de Investigaciones Científicas (CSIC).

Peer reviewed

Keywords

Zeolitas, Materiales cristalinos, Materiales microporosos

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selected citations
These citations are derived from selected sources.
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!
0
Average
Average
Average
Green