Method of manufacturing wet process phosphoric acid

Details Method of manufacturing wet process phosphoric acid Method of manufacturing wet process phosphoric acid

C - Chemistry, Metallurgy

01

B

23/76

C01B 25/22 (2006.01)

Patent

CA 1047734

METHOD OF MANUFACTURING WET PROCESS PHOSPHORIC ACID Abstract of the Disclosure A method of manufacturing wet process phosphoric acid from phosphate rock, comprising the steps of (i) grinding an aqueous slurry of the phosphate rock containing at least about 20 weight percent water sur- ficiently that the phosphate rock will pass a 30 mesh (Tyler) screen; (ii) passing the slurry of around rock to an attach tank and therein contacting and reacting the slurry with diluted sulfuric acid obtained from step (vi) herein to yield a product slurry of crystalline hydrated calcium sulfate in phosphoric acid; (iii) removing said product slurry from the attack tank; (iv) subjecting said product slurry to a separa- tion step whereby the crystalline hydrated calcium sulfate is separated from the phosphoric acid; (v) washing the separated calcium sulfate with water; (vi) mixing the spent calcium sulfate wash water with concentrated sulfuric acid to obtain diluted sulfuric acid; and (vii) passing the diluted sulfuric acid to step (ii) above.

213416

Affiliated with

Also associated with

Rating

Method of manufacturing wet process phosphoric acid does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of manufacturing wet process phosphoric acid, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of manufacturing wet process phosphoric acid will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-574846