ISOBUTYRIC ACID PRODUCTION PROCESS

FIELD: industrial organic synthesis. ^ SUBSTANCE: invention provides improved process for production of isobutyric acid suitable for use in production of higher carboxylic acid esters and drying oils. Process comprises oxidation of isobutyric aldehyde with air oxygen on heating in column-type reacto...

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Hauptverfasser:	ANNAMURADOV RUSTAM TAKHIROVICH, RYSAEV VIL'DAN URALOVICH, VAKHITOV KHALIT SABITOVICH, NAFIKOVA RAILJA FAATOVNA, RYSAEV URAL SHAKIROVICH, RASULEV ZUFAR GINIJATOVICH, ZAGIDULLIN RAIS NURIEVICH
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY METALLURGY ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:	FIELD: industrial organic synthesis. ^ SUBSTANCE: invention provides improved process for production of isobutyric acid suitable for use in production of higher carboxylic acid esters and drying oils. Process comprises oxidation of isobutyric aldehyde with air oxygen on heating in column-type reactor filled with zeolite of types CaX, CaA, NaX, or NaA with packing diameter-to-packing width ratio 1:(7.2-8), at volumetric air supply velocity 684.0-874.0 h-1, butyric acid-to oxygen molar ratio 1:(0.7-1.0), and temperature 62-66°C. ^ EFFECT: increased yield of desired product and intensified process. ^ 3 tbl, 4 ex