Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1994-07-22
1995-09-12
Richter, Johann
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
C07C 4109
Patent
active
054498392
ABSTRACT:
Disclosed is an improved process for preparing ethyl t-butyl ether in one step which comprises reacting tertiary butanol and ethanol in the presence of a catalyst selected from zeolite beta and zeolite beta modified with multimetals selected from the group consisting of Groups IB, VB, VIB, VIIB or VIII of the Periodic Table at a temperature of about 20.degree. C. to 250.degree. C. and atmospheric pressure to about 1000 psig, wherein when the temperature is in the operating range above about 140.degree. C., the product comprises a two-phase mix of an ETBE-isobutylene and, optionally, diisobutylene product-rich phase and a heavier aqueous ethanol-rich phase.
REFERENCES:
patent: 4714787 (1987-12-01), Bell et al.
patent: 4918244 (1990-04-01), Nelson et al.
patent: 5144086 (1992-09-01), Harandi et al.
patent: 5162592 (1992-11-01), Knifton et al.
Dai Pei-Shing E.
Knifton John F.
Bailey James L.
Hunter Cynthia L.
Peabody John
Priem Kenneth R.
Richter Johann
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