One-step synthesis of ethyl t-butyl ether from t-butanol...

Details One-step synthesis of ethyl t-butyl ether from t-butanol... One-step synthesis of ethyl t-butyl ether from t-butanol...

C - Chemistry, Metallurgy

07

C

C07C 43/04 (2006.01) C07C 41/01 (2006.01) C07C 41/09 (2006.01)

Patent

CA 2114607

ONE-STEP SYNTHESIS OF ETHYL t-BUTYL ETHER FROM t-BUTANOL USING .beta.-ZEOLITE AND MULTIMETAL-MODIFIED .beta.-ZEOLITE CATALYSTS (D#81,264-F) ABSTRACT OF THE DISCLOSURE 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°C to 250°C and atmospheric pressure to about 1000 psig, wherein when the temperature is in the operating range above about 140°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.

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