Process for removing iron, chromium and vanadium from...

Details Process for removing iron, chromium and vanadium from... Process for removing iron, chromium and vanadium from...

C - Chemistry, Metallurgy

01

B

23/72

C01B 25/46 (2006.01) C01B 25/18 (2006.01)

Patent

CA 1330250

Abstract: PROCESS FOR REMOVING IRON, CHROMIUM AND VANADIUM FROM PHOSPHORIC ACID A process is provided for purifying phosphoric acid, such as wet process phosphoric acid by extract- ing the impure phosphoric acid with a nonaqueous solvent and contacting the nonaqueous solution of phosphoric acid with a strongly basic anion exchange resin and recovering the purified phosphoric acid by stripping the nonaqueous solution with an aqueous solution.

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