Verfahren zur Herstellung von Acrylsaeurenitril durch Umsetzung von Propylen mit Ammoniak und Sauerstoff

Verfahren zur Herstellung von Acrylsaeurenitril durch Umsetzung von Propylen mit Ammoniak und Sauerstoff

In a method of making an unsaturated aliphatic nitrile a mixture of an olefine containing 3 to 5 C, NH3 and oxygen in a mol. ratio of 1: 0.05 to 10: 0.05 to 10 is heated at 300-600 DEG C in the presence of a catalyst containing Bi2O3 or a precursor therefor and H8[X(Mo2O7)6] where X is a rare earth...

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Hauptverfasser: SETH YOUNG, HOWARD, LAMAR MCDANIEL, EDGAR
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CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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LAMAR MCDANIEL, EDGAR
description In a method of making an unsaturated aliphatic nitrile a mixture of an olefine containing 3 to 5 C, NH3 and oxygen in a mol. ratio of 1: 0.05 to 10: 0.05 to 10 is heated at 300-600 DEG C in the presence of a catalyst containing Bi2O3 or a precursor therefor and H8[X(Mo2O7)6] where X is a rare earth atom or the ammonium salt thereof. Specified olefines are propylene, butylene and 2-methylbutene-1. Examples describe the synthesis of acrylonitrile, together with some acetonitrile.ALSO:An oxidation catalyst comprises Bi2O3 or a Bi compound which forms Bi2O3 on heating and a heteropolyacid of formula H8[X(Mo2O7)6] where X is a rare earth atom or the ammonium salt of this acid. Specified rare earth atoms are Ce, La, Pr, Nd, Sm and Gd, and reference is made to ammonium dodecamolybdocerate. Silica is mentioned as a catalyst carrier.
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Specified olefines are propylene, butylene and 2-methylbutene-1. Examples describe the synthesis of acrylonitrile, together with some acetonitrile.ALSO:An oxidation catalyst comprises Bi2O3 or a Bi compound which forms Bi2O3 on heating and a heteropolyacid of formula H8[X(Mo2O7)6] where X is a rare earth atom or the ammonium salt of this acid. Specified rare earth atoms are Ce, La, Pr, Nd, Sm and Gd, and reference is made to ammonium dodecamolybdocerate. 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Specified olefines are propylene, butylene and 2-methylbutene-1. Examples describe the synthesis of acrylonitrile, together with some acetonitrile.ALSO:An oxidation catalyst comprises Bi2O3 or a Bi compound which forms Bi2O3 on heating and a heteropolyacid of formula H8[X(Mo2O7)6] where X is a rare earth atom or the ammonium salt of this acid. Specified rare earth atoms are Ce, La, Pr, Nd, Sm and Gd, and reference is made to ammonium dodecamolybdocerate. Silica is mentioned as a catalyst carrier.</abstract><oa>free_for_read</oa></addata></record>
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subjects CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
title Verfahren zur Herstellung von Acrylsaeurenitril durch Umsetzung von Propylen mit Ammoniak und Sauerstoff
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