C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
C01B 37/08 (2006.01) B01J 29/04 (2006.01) B01J 29/85 (2006.01) C07C 1/20 (2006.01) C10G 3/00 (2006.01)
Patent
CA 2394092
This invention is directed to a method of making a crystalline silicoaluminophosphate molecular sieve. The method includes adding to a vessel a mixture comprising a silicon containing composition, an aluminum containing composition, a phosphorus containing composition, and a template, and continuously stirring the mixture while applying heat at a temperature and duration effective to form a crystalline silicoaluminophosphate molecular sieve, wherein stirring is applied for 20-95 % of the duration that heat is applied. The result is a substantial increase in crystalline molecular sieve product.
L'invention concerne un procédé de fabrication d'un tamis moléculaire de silicoaluminophosphates cristallins. Le procédé consiste à ajouter à un récipient un mélange comprenant une composition à teneur en silicium, une composition à teneur en aluminium, une composition à teneur en phosphore et une matrice, puis à mélanger ledit mélange de façon continue tout en appliquant de la chaleur à une certaine température et pendant une certaine durée pour former le tamis moléculaire de silicoaluminophosphate cristallin, l'opération de mélange durant 25 à 95 % du temps d'application de la chaleur. Il en résulte une augmentation importante du tamis moléculaire cristallin.
Borden Ladner Gervais Llp
Exxonmobil Chemical Patents Inc.
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