METHOD OF EPOXIDATION OF OLEFINS

FIELD: chemistry. ^ SUBSTANCE: at a defined stage one or more nitrogen containing compounds are added, and the solvent stream is separated, treated with acid until nitrogen content of 50 mass ratio/million in the form of nitrogen organic compounds is attained, and at least part of the stream is retu...

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Bibliographische Detailangaben
Hauptverfasser:	UL'RIKH NORBERT, SHTOKHNIOL' GUIDO, KHAS TOMAS, BRASSE KLAUDIA, KHOFEN VILLI, VELL' VOL'FGANG
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HETEROCYCLIC COMPOUNDS 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:	FIELD: chemistry. ^ SUBSTANCE: at a defined stage one or more nitrogen containing compounds are added, and the solvent stream is separated, treated with acid until nitrogen content of 50 mass ratio/million in the form of nitrogen organic compounds is attained, and at least part of the stream is returned to the epoxidation stage. Description is also given of a method of catalyst epoxidation of propene, which form an integral unit with the proposed acid treatment and return of solvent into the process of treating the reaction mixture. ^ EFFECT: considerable lowering of deactivation of the catalyst when recycling the solvent. ^ 19 cl, 1 tbl, 4 ex