Title:
陽イオン交換樹脂の再生方法、被処理液の処理方法及び陽イオン交換樹脂を含む処理設備
Document Type and Number:
Japanese Patent JP6786308
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a method and an apparatus capable of accurately regenerating a cation exchange resin.SOLUTION: When a cation exchange resin is regenerated which is used for removing metal ions by the cation exchange resin and captures the metal, a strongly acidic cation exchange resin is used as the cation exchange resin, and the strongly acidic cation exchange resin and at least one aqueous solution of a regenerant of an organic acid and organic acid alkali metal salt having an acid dissociation index (pKa) is 1.0 or less are brought into contact with each other, and the metal is eluted.SELECTED DRAWING: None
Inventors:
Tatsuki Adachi
Tsuyoshi Shinoki
Taiki Kubo
Hiroshi Ohba
Nobuyuki Matsumoto
Tsuyoshi Shinoki
Taiki Kubo
Hiroshi Ohba
Nobuyuki Matsumoto
Application Number:
JP2016167898A
Publication Date:
November 18, 2020
Filing Date:
August 30, 2016
Export Citation:
Assignee:
Tsukishima Environmental Engineering Co., Ltd.
OSAKA GAS CO.,LTD.
OSAKA GAS CO.,LTD.
International Classes:
B01J49/53; B01J39/05; B01J49/06; B01J49/60; C02F1/42; C02F1/74
Domestic Patent References:
| JP2007536082A | ||||
| JP63116746A | ||||
| JP2002102868A | ||||
| JP11285677A | ||||
| JP10277571A | ||||
| JP2003230840A |
Foreign References:
| US20140076817 | ||||
| US5665783 | ||||
| CN101284826A |
Attorney, Agent or Firm:
Nagai International Patent Office