Process for the purification of wet-processed phosphoric acid

Details Process for the purification of wet-processed phosphoric acid Process for the purification of wet-processed phosphoric acid

1980-11-10

1982-03-23

Vertiz, O. R.

Chemistry of inorganic compounds

Phosphorus or compound thereof

Oxygen containing

423321R, C01B 2516

Patent

active

043212450

ABSTRACT:
The invention relates to a process for the purification of wet-processed phosphoric acid with the aid of organic solvents which are immiscible or only partially miscible with water, the sulfate ions being removed by addition of barium compounds. The purification is carried out in an n-stage extraction installation, where n is equal to or greater than 5. The barium compound is added to the phosphoric acid to be purified, and the resulting mixture is fed to the top of the extraction installation, in which the organic solvent phase is dispersed in the aqueous phase. The sulfuric acid is led in counter-current fashion to the phosphoric acid by adding it to one of the stages n=4 to at most n-1.

REFERENCES:
patent: 3554694 (1971-01-01), Barker et al.
patent: 3607029 (1971-09-01), Goret et al.
patent: 4222994 (1980-09-01), Ehlers et al.

Affiliated with

Also associated with

Rating

Process for the purification of wet-processed 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 Process for the purification of wet-processed phosphoric acid, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the purification of wet-processed phosphoric acid will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1650689