Sodium aluminate → Molecular sieve

HRID 2254507Notes

Reaction equation

[Si:1]([O-])([O-:4])([O-:3])[O-:2].[Na+:6].[Na+].[Na+].[Na+].[Si:10](O)([OH:13])([OH:12])[OH:11].O=[Al-:16]=O.[Na+].[OH-].[Na+]>>[O-:3][Si:1]([O-:4])=[O:2].[O-:12][Si:10]([O-:13])=[O:11].[Na+:6].[Al+3:16]

Participants

Reactant 4

HCID 14766Sodium aluminate

HCID 14798Sodium Hydroxide

HCID 14942Orthosilicic acid

HCID 26051Sodium orthosilicate

Product 1

HCID 19758701Molecular sieve

Procedure

mixing sodium silicate or active silicic acid gel, sodium aluminate and sodium hydroxide in aqueous solution in the component molar ratios of: Na2O/SiO2 =0.2 to 8; SiO2 /Al2O3 =3 to 20; and H2O/Na2O=20 to 200, to form a gel of sodium aluminosilicate;

Sources & evidence

ORD record: ord-86e56d0181b14f59b674f70df9b93b38
Source dataset: uspto-grants-1993_08
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US05236680

Reaction notes

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