Method of synthesizing aluminophosphate and...

Details Method of synthesizing aluminophosphate and... Method of synthesizing aluminophosphate and...

2007-03-07

2009-06-09

Wood, Elizabeth D (Department: 1793)

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

From nonhydrocarbon feed

C585S324000, C585S326000, C585S327000, C585S329000, C585S638000, C585S639000

Reexamination Certificate

active

07544851

ABSTRACT:
In a method of synthesizing an aluminophosphate or silicoaluminophosphate molecular sieve, a synthesis mixture is prepared by mixing a plurality of starting materials including at least a source of water, a source of phosphorus, a source of aluminum, optionally, a source of silicon and, and at least one organic directing agent for directing the formation of said molecular sieve. The starting materials are maintained at a temperature between 25° C. and 50° C., preferably between 30° C. and 45° C., during the mixing and until preparation of the starting mixture is complete, whereafter the synthesis mixture is heated to a crystallization temperature between about 100° C. and about 350° C. until crystals of the molecular sieve are produced. When crystallization is complete, the molecular sieve is recovered.

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H. van Bekkum et al., Studies in Surface Science and Catalysis, vol. 137, Elsevier Science, 2001, pp. 1-67.

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