Etherification process

A process for the separation and recovery of methyl tertiary butyl ether from mixed C4/C5 streams, such as resulting from the co-production of methyl tertiary butyl ether and tertiary amyl methyl ether from the reaction of methanol with isobutene and isoamylenes in a mixed C4/C5 stream. In a distill...

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Bibliographic Details
Main Authors GROTEN WILLIBRORD A, SMITH, JR. LAWRENCE A, SEMERAK HENRY J
Format Patent
LanguageEnglish
Published 15.05.2001
Edition7
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
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
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
TRANSPORTING
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Summary:A process for the separation and recovery of methyl tertiary butyl ether from mixed C4/C5 streams, such as resulting from the co-production of methyl tertiary butyl ether and tertiary amyl methyl ether from the reaction of methanol with isobutene and isoamylenes in a mixed C4/C5 stream. In a distillation column reactor the reaction is carried out concurrently with distillation of the products from the unreacted materials. In the distillation little or no MTBE is carried overhead with the unreacted C4's, C5's and methanol by controlling the methanol concentration in said column to maintain substantially a methanol/C5 azeotrope in the overheads.
Bibliography:Application Number: US20000591520