METHOD FOR PRODUCING FEED OR FERTILIZER COMPRISING USE OF FERMENTED RESIDUE

摘要

PROBLEM TO BE SOLVED: To provide a method for producing feed or fertilizer using fermented residue, by which metal ions are efficiently eliminated from the fermented residue such as distilled spirit lees.

SOLUTION: The method for producing feed or fertilizer using fermented residue includes: the concentration process for concentrating the fermented residue to generate fermented residue concentrate; and the metal ion-eliminating process for permeating monovalent cation via cation-exchangeable diaphragm from the side of the fermented residue concentrate produced in the concentration process to eliminate the monovalent cation. Preferably the concentration process includes concentrating solid in the fermentation residue to be at ≥15 wt.%.

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