Synthesis of dawsonites

Details Synthesis of dawsonites Synthesis of dawsonites

1980-08-14

1982-10-26

Straub, Gary P.

Chemistry of inorganic compounds

Carbon or compound thereof

Oxygen containing

252 5, 423600, 424156, A62D 100, C01B 3124, A61K 3310

Patent

active

043561578

ABSTRACT:
Alkali metal and ammonium dawsonites can be prepared by a non-aqueous process according to which equimolar quantities of the corresponding hydrogen carbonate and aluminum hydroxide in finely divided state are heated together to a temperature within the range of 150.degree. to 250.degree. C. for a period of 1 to 6 hours under a carbon dioxide pressure within the range of 120 to 360 psig. Carbonates may be used instead of hydrogencarbonates.

REFERENCES:
patent: 2783124 (1957-02-01), Grote
patent: 2783179 (1957-02-01), Grote
patent: 3360345 (1967-12-01), Lewin
patent: 3557025 (1971-12-01), Emerson et al.
patent: 3911090 (1975-10-01), Hem et al.
patent: 4053579 (1977-10-01), Kato et al.

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