Method and composition

Details Method and composition Method and composition

B - Operations, Transporting

01

D

403/2, 362/36

B01D 39/04 (2006.01)

Patent

CA 1085097

ABSTRACT OF THE DISCLOSURE A method for preparing an improved filter material, together with the improved material prepared thereby and an improved method for removing impurities from a liquid. The filter material comprises a mixture of ion exchange resin particles and treated filter aid material. In the preferred embodiment, the ion exchange resin particles comprise a mixture of anion and cation exchange resin particles, and the filter aid material is treated with a chemical compound to produce a positive surface charge thereon. The filter aid material may be further treated with a second compound to produce a enhanced negative surface charge.

276951

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