DESALTING METHOD FOR USED SEASONING LIQUID CONTAINING STORAGE DURATION IMPROVER

摘要

PPROBLEM TO BE SOLVED: To provide a desalting method capable of desalting a used seasoning liquid containing a storage duration improver by efficient electrodialysis. PSOLUTION: This desalting method from the used seasoning liquid containing a storage duration improver comprises performing desalting by subjecting the used seasoning liquid to electrodialysis treatment, by using a composite anion exchange membrane which has an anionic polymer layer existing on the surface of the exchange membrane. PCOPYRIGHT: (C)2009,JPO&INPIT