Crystalline microporous metallo-zinc phosphate compositions

Details Crystalline microporous metallo-zinc phosphate compositions Crystalline microporous metallo-zinc phosphate compositions

1992-04-10

1994-04-12

McFarlane, Anthony

Chemistry of inorganic compounds

Phosphorus or compound thereof

Oxygen containing

423326, 423700, 423713, 502208, C01B 2545

Patent

active

053023625

ABSTRACT:
A new class of microporous compositions are described along with a process for preparing them and processes for using them. These compositions have a three-dimensional microporous framework structure of ZnO.sub.2, PO.sub.2 and M'O.sub.2 tetrahedral units, and an intracrystalline pore system. The M' metal is selected from the group consisting of magnesium, copper, gallium, aluminum, germanium, cobalt, chromium, iron, manganese, titanium and mixtures thereof. These molecular sieves are prepared by hydrothermal crystallization of a reaction mixture containing reactive sources of phosphorus, zinc, one or more M' metal, at least one alkali metal and water. This invention also relates to processes using these molecular sieves.

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