Process for producing anhydrous sodium carbonate crystal

Details Process for producing anhydrous sodium carbonate crystal Process for producing anhydrous sodium carbonate crystal

1981-01-19

1983-09-20

Straub, Gary P.

Chemistry of inorganic compounds

Carbon or compound thereof

Oxygen containing

123426, 23302T, C01D 1508, C01D 700, C01D 724

Patent

active

044055927

ABSTRACT:
An anhydrous sodium carbonate crystal is produced by crystallizing an anhydrous sodium carbonate crystal from an aqueous solution of sodium carbonate in the presence of 0.5 to 10 wt. % of sodium chloride and 0.3 to 20 wt. % of sodium hydroxide and separating the crystal from a mother liquor.

REFERENCES:
patent: 2133455 (1938-10-01), Keene et al.
patent: 3212848 (1965-10-01), Tasiaux
patent: 3656892 (1972-04-01), Bourne et al.
patent: 3842157 (1974-10-01), Neumann
patent: 3843768 (1974-10-01), Neumann
patent: 3933977 (1976-01-01), Ilardi et al.

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