METHOD FOR PRODUCING ALICYCLIC CARBOXYLIC ACID OR ITS DERIVATIVE

PROBLEM TO BE SOLVED: To provide a method for producing an alicyclic carboxylic acid or its derivative, particularly a carboxylic ester by selective hydrogenation of the corresponding aromatic carboxylic acid (derivative) in reactors in which at least first two reactors are operated in a loop type a...

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Hauptverfasser:	GRASS MICHAEL, BUESCHKEN WILFRIED DR, REEKEN BURKHARD, KAIZIK ALFRED DR, TUCHLENSKI AXEL
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS APPARATUS THEREFOR CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS GENERAL METHODS OF ORGANIC CHEMISTRY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS METALLURGY ORGANIC CHEMISTRY TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method for producing an alicyclic carboxylic acid or its derivative, particularly a carboxylic ester by selective hydrogenation of the corresponding aromatic carboxylic acid (derivative) in reactors in which at least first two reactors are operated in a loop type and at least three reactors are connected in series. SOLUTION: In the method for producing the corresponding alicyclic carboxylic acid or its derivative by selectively hydrogenating an aromatic carboxylic acid or its derivative in a hydrogenation apparatus in which at least three reactors are connected in series, at least first two reactors are operated in loop type. As a result, hydrogenation method of the aromatic carboxylic acid or its derivative excellent in a space time yield and/or selectivity and capable of being used directly or by slight refining expense can be achieved. COPYRIGHT: (C)2006,JPO&NCIPI