Desalting method for nutritional supplements with animal protein and regenerating method for the ion exchange resin used in the desalting method

Abstract

A method for desalting nutritional supplements with animal protein, and a method for regenerating the ion exchange resin used in the desalting process are provided. The desalting method includes: (1) setting up a first, and a second columns containing strongly acidic cation exchange resin, and strongly basic anion exchange resin respectively; (2) passing the nutritional supplement, predetermined temperature and volume, through the first column to exchange sodium ions in the supplement for the cations, and thruogh the second column to exchange the anions; and (3) concentrating the nutritional supplement. The regenerating method includes: (1) passing water through first and second columns in a opposite direciton of the supplement (2) passing sodium hydroxide solution through the first column; (3) passing water, and hydrochloric acid through the first column in the origimal direction of the supplement separately; (4) passing water through the first column in the original, and the opposite direction separately; (5) passing hydrochloric acid thruogh the second column; (6) passing water, and sodium hydroxide solution through the second column in the original direction separately; and, (7) passing water through the second column in both of the directions separately.

Dependencies are inferred from the claim text.