Potassium Alum → Molecular sieve

Reaction equation

[Si:1]([O-])([O-:4])([O-:3])[O-:2].[Na+:6].[Na+].[Na+].[Na+].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[Al+3:20].[K+]>>[O-:3][Si:1]([O-:4])=[O:2].[O-:3][Si:1]([O-:4])=[O:2].[Na+:6].[Al+3:20]

Participants

Reactant 2

HCID 24856Potassium Alum

HCID 26051Sodium orthosilicate

Product 1

HCID 19758701Molecular sieve

Procedure

The sodium silicate and the alum are added to the reaction mixture in total amounts which provide a sodium aluminosilicate product of the formula Na2O·Al2O3 ·4XSiO2 ·YH2O wherein X is from about 2 to about 3.4 and Y is from about 2× to about 3×.

Sources & evidence

ORD record: ord-465dbfdad82d4610a9b91a6270c790bc
Source dataset: uspto-grants-1998_05
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US05747008

Reaction notes

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