Preparation of methanol synthesis catalyst comprising zinc, copper and aluminum
Patent 4436833 Issued on March 13, 1984. Estimated Expiration Date: 
March 25, 2003. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
March 25, 2003. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3850850 3920717 Production of purified synthesis gas and carbon monoxide Methanol synthesis catalyst Catalyst containing copper oxide and zinc oxide, its manufacture and its use for the conversion of carbon monoxide Patent #: 4126581 Inventors
ApplicationNo. 06/478995 filed on 03/25/1983US Classes:502/176, Hydroxycarbonate423/420.2, Plural metal containing502/342, Of zinc518/713GROUP IB METAL CONTAINING CATALYST UTILIZED FOR THE FISCHER-TROPSCH REACTION (I.E., CU, AG, OR AU)ExaminersPrimary: Konopka, P. E.Attorney, Agent or FirmInternational ClassesC07C 29/00 (20060101)C07C 29/154 (20060101) B01J 23/80 (20060101) B01J 27/20 (20060101) B01J 23/76 (20060101) AbstractA process for the preparation of methanol by reacting a gaseous mixture of carbon monoxide, carbon dioxide and hydrogen at an elevated temperature and under superatmospheric pressure over a catalyst which contains zinc, copper and aluminum, the catalyst being prepared from a co-crystalline material of the formulaCu2.2 Zn2.8 (OH)6 (CO3)2,containing aluminum hydroxide as a structual promoter, by calcination and reduction at from 160° to 350° C. The novel catalyst has the advantage of giving a substantially increased space-time yield and having a longer life.Other References
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