Title:
METHOD FOR REGENERATING ION EXCHANGE RESIN, METHOD FOR TREATING PAPER MILL WASTE WATER, APPARATUS FOR REGENERATING ION EXCHANGE RESIN AND APPARATUS FOR TREATING PAPER MILL WASTE WATER
Document Type and Number:
Japanese Patent JP2016198747
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a method for regenerating an ion exchange resin, the method not requiring the addition of a regenerant such as a sulfuric acid and sodium hydroxide and the method being useful for a paper mill.SOLUTION: The present invention relates to: the method for regenerating an ion exchange resin to which a hardness component is adsorbed and including a step of passing a sodium ion-containing waste liquid through the ion exchange resin; a method for treating paper mill waste water including the method for regenerating the ion exchange resin; an apparatus for regenerating an ion exchange resin; and an apparatus for treating paper mill waste water.SELECTED DRAWING: Figure 1
Inventors:
NISHIDA TAKASHI
TAKAHASHI HAJIME
TAKAHASHI HAJIME
Application Number:
JP2015082489A
Publication Date:
December 01, 2016
Filing Date:
April 14, 2015
Export Citation:
Assignee:
OJI HOLDINGS CORP
International Classes:
B01J49/00; B01J39/04; C02F1/42; C02F1/44; C02F1/52; C02F9/00
Attorney, Agent or Firm:
Patent Service Corporation Patent Office Sykes