Method and apparatus for recovering sulfuric acid from a...

Details Method and apparatus for recovering sulfuric acid from a... Method and apparatus for recovering sulfuric acid from a...

B - Operations, Transporting

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182/13

B01D 61/24 (2006.01) B01D 63/02 (2006.01) B01D 65/02 (2006.01) C01B 17/90 (2006.01) C01G 23/00 (2006.01)

Patent

CA 2002276

ABSTRACT A method for recovering sulfuric acid from a titanium sulfate waste liquor by diffusion dialysis in a diffusion dialytic cell provided with anion exchange membranes, which comprises subjecting the titanium sulfate waste liquor to precision filtration to remove a solid content having a particle size of at least 0.1 µm to a level of not more than 100 µg/?, and placing the filtered liquor to face water with an anion exchange membrane interposed therebetween so that sulfuric acid in the titanium sulfate waste liquor is recovered by diffusion dialysis.

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