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

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

C - Chemistry, Metallurgy

07

C

C07C 43/04 (2006.01) B01J 29/74 (2006.01) B01J 29/76 (2006.01) C07C 41/01 (2006.01) C07C 41/09 (2006.01) B01J 29/28 (1990.01) B01J 29/30 (1990.01)

Patent

CA 2135262

ONE-STEP SYNTHESIS OF METHYL t-BUTYL ETHER FROM t-BUTANOL USING PLATINUM/PALLADIUM-MODIFIED .beta.-ZEOLITE CATALYSTS (D#81,262-F) ABSTRACT OF THE DISCLOSURE Disclosed is an improved process for preparing alkyl tertiary alkyl ethers, especially methyl t-butyl ether, in one step which comprises reacting tertiary butanol and methanol in the presence of a catalyst comprising .beta.-zeolite modified with one or more metals selected from Group VIII of the Periodic Table, and optionally further modified with a halogen or a Group IB metal, with an alumina binder, 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 MTBE-isobutylene and, optionally, diisobutylene product-rich phase and a heavier aqueous ethanol-rich phase.

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