Synthesis of crystalline aluminosilicate molecular sieves

Details Synthesis of crystalline aluminosilicate molecular sieves Synthesis of crystalline aluminosilicate molecular sieves

1980-12-19

1983-03-22

Meros, Edward J.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

423328, 423329, C01B 3328, B01J 2906

Patent

active

043775020

ABSTRACT:
Crystalline aluminosilicate molecular sieves are prepared by (1) forming an aqueous mixture of an oxide of aluminum, an oxide of silicon, a metal or ammonium cation and a suitable oxygen-containing monomeric organic template compound, (2) maintaining the pH of such mixture between 9 and 14, and (3) crystallizing the mixture. The organic templates include ethanolamine, diethanolamine, triethanolamine, ethylethanolamine, ethyldiethanolamine, 2-amino-2-ethyl-1,3-propanediol, morpholine, and alkali metal complexed tetrahydrofuran, dioxane, dioxolane, and crown ethers. Crystalline aluminosilicates prepared include mordenite, ferrierite, ZSM-4, and ZSM-5.

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Kibby et al, "Journal of Catalysis", 35, 256-272, 1974.
Wolf et al, "Zeitschrift fur Chemie", 13 Jg (1973), pp. 109 & 110.
Charnell, "J. Crystal Growth", 8 (1971), pp. 291-293.

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