Patent ID: 6143688
Filing Date: 2000-11-07
Classification: B01J,C01B,Y02E

Abstract:
A method for making a bulk catalyst which comprises (a) forming an aqueous solution of a water solution salt of a Group IVA metal and hydrofluoric acid; (b) forming an aqueous solution of (O.sub.3 P-R'--Y--R--PO.sub.3)X.sub.2 wherein R' and R are lower alkyl, X is halogen and Y is an aromatic ring system; (c) forming an aqueous solution of (P)m (S) (T)n wherein P is an alkali metal, S is a Group VIII metal having an atomic number greater than 40, T is halogen, hydroxyl or cyanide, m is 2 or 3 and n is 4, 5 or 6; (d) mixing aqueous solution (b) with aqueous solution (c) with stirring until an insoluble precipitate is formed; (e) and mixing the composition formed in step d with the aqueous solution (a) and heating, with stirring, at a temperature of between about 125.degree. C. to 150.degree. C. until the reaction between the composition formed in step d and aqueous solution (a) is substantially complete.