Mixed-bed type sugar solution refining system and regeneration method for such apparatus

摘要

By passing an alkali regenerating agent A through a basic anion exchange resin (3), and through a strongly acidic cation exchange resin (4), the basic anion exchange resin can be regenerated while amphoteric organic materials such as the amino acids captured at the strongly acidic cation exchange resin can be desorbed. Then, an acid regenerating agent B is passed through the strongly acidic cation exchange resin to regenerate the strongly acidic cation exchange resin.