Process for producing sodium carbonate from complex brines

Details Process for producing sodium carbonate from complex brines Process for producing sodium carbonate from complex brines

1977-10-25

1981-09-22

Vertiz, O. R.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Alkali metal

423190, 423422, 423426, 423427, C01D 700, C01D 737

Patent

active

042910021

ABSTRACT:
A process for the production of sodium carbonate wherein sodium bicarbonate is recovered from a brine containing sodium carbonate by carbonation of the brine under controlled conditions. The sodium bicarbonate is crystallized from the carbonated brine in a multi-stage carbonating, cooling and crystallization process after which it is filtered to produce wet cake. The wet cake is subjected to predrying to provide a predried wet cake of a specified free moisture content and mixed with recycle light ash to provide a dryer feed of specified moisture content to alleviate problems of product fouling or plugging of the dryer. The light ash from the dryer then is bleached and subjected to recrystallization, screening, centrifuging and drying to provide a dried sodium carbonate possessing, after evaporation of the water of hydration and free moisture, less than 0.10 percent moisture and chemical and physical properties meeting commercial dense ash specifications.

REFERENCES:
patent: 1865833 (1932-07-01), Chesny
patent: 2693403 (1954-11-01), Brumbaugh et al.
patent: 2962348 (1960-11-01), Seglin et al.
patent: 3028215 (1962-04-01), Frint
patent: 3188170 (1965-06-01), Mantz et al.
patent: 3717698 (1973-02-01), Ilardi et al.
patent: 3900292 (1975-08-01), Fairchild
Manufacture of Soda by Te-Pang Hou, Ph.D., Reinhold Publishing Corporation (1942), pp. 173-179.

Affiliated with

Also associated with

Rating

Process for producing sodium carbonate from complex brines does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for producing sodium carbonate from complex brines, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for producing sodium carbonate from complex brines will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-335026