Chemistry of inorganic compounds – Carbon or compound thereof – Oxygen containing
Patent
1987-09-11
1991-10-08
Straub, Gary P.
Chemistry of inorganic compounds
Carbon or compound thereof
Oxygen containing
423628, 423DIG9, 424686, 422234, 261DIG75, C01B 3124, C01B 702, B01J 800
Patent
active
050552848
ABSTRACT:
A method for producing amorphous aluminocarbonate compounds which comprises continuously recirculating a first aqueous solution from a reaction vessel through a recycle system and injecting a gas comprising carbon dioxide into the first solution at a turbulent area located in the recycle system. A second aqueous solution is added to the first solution while the gas injection is continued, and the pH of the resulting mixture is maintained in the approximate range of from 8 to 10. The gas injection is discontinued when the entire amount of the second solution has been added to the first solution, in order to allow further precipitation of the amorphous compound. The method is particularly adapted for producing amorphous sodium aluminocarbonate and sodium magnesium aluminocarbonate.
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Andrews Claude R.
Kosin John A.
Tarquini Michael E.
Flanders Harold H.
Horn Alec H.
J. M. Huber Corporation
Price Robert L.
Straub Gary P.
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