Defekterige krystallinske (metal)silikater og fremgangsmåde til fremstilling af sådanne (metal)silik ater

Defekterige krystallinske (metal)silikater og fremgangsmåde til fremstilling af sådanne (metal)silik ater

Crystalline microporous (metallo)silicates having a maximum M/Si molar ratio of 0.03, wherein M represents at least one of Al, Fe, B, Ga, or Ti, containing less than 1%wt of organic template (originated) material and having a Relative Defect Retention (RDR)-value of 0.1-1, wherein the RDR-value is d...

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Hauptverfasser: KEIJSPER, JOHANNES JACOBUS, POST, MARTIN FRANCISCUS MARIA
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Sprache:dan
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CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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creator KEIJSPER, JOHANNES JACOBUS
POST, MARTIN FRANCISCUS MARIA
description Crystalline microporous (metallo)silicates having a maximum M/Si molar ratio of 0.03, wherein M represents at least one of Al, Fe, B, Ga, or Ti, containing less than 1%wt of organic template (originated) material and having a Relative Defect Retention (RDR)-value of 0.1-1, wherein the RDR-value is defined as (C -C*)/(i - C*), wherein C represents the percentage of defects present, C* represents the percentage of defects retained when subjecting the corresponding at least 1 %wt of organic template (originated) material containing crystalline (metallo)silicate to a standard calcination treatment in air at a temperature of 550 DEG C for a period of 4 hours, wherein i represents the percentage of defects initially present in the uncalcined corresponding organic template containing (metallo)silicate, and wherein i>C*. Such (metallo)silicates are prepared by subjecting the uncalcined corresponding organic template containing (metallo)silicate to a heat treatment which is carried out in the presence of oxygen at a temperature of 400-600 DEG C and a pressure of at most 500 mbar for at least 1 hour.
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Such (metallo)silicates are prepared by subjecting the uncalcined corresponding organic template containing (metallo)silicate to a heat treatment which is carried out in the presence of oxygen at a temperature of 400-600 DEG C and a pressure of at most 500 mbar for at least 1 hour.</abstract><edition>5</edition><oa>free_for_read</oa></addata></record>
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subjects CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
title Defekterige krystallinske (metal)silikater og fremgangsmåde til fremstilling af sådanne (metal)silik ater
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