Title:
SEPARATOR COLUMN FOR MIXED ION EXCHANGE RESINS, AND METHOD FOR SEPARATING MIXED ION EXCHANGE RESINS USING SAME
Document Type and Number:
WIPO Patent Application WO/2023/119747
Kind Code:
A1
Abstract:
In a separator column 1 for mixed ion exchange resins, a cylindrical separator column body 1A has a bottom part having a water supply pipe 2 and a plurality of ejection nozzles 2A as a water injection unit, and a top part to which a discharge pipe 3 is connected as a discharge unit. A water collecting plate 4 is disposed above the ejection nozzles 2A of the separator column body 1A, and a screen 5 is disposed on the upper end side of the separator column body 1A. The screen 5 has a mesh of 90% or less of an average grain size of an ion exchange resin having the smallest average grain size among mixed ion exchange resins. Such separator column for ion exchange resins allows for accurate separation of ion exchange resins of a mixed-bed ion exchange device or the like.
Inventors:
OGAWA YUUICHI (JP)
MIYAJI MIDORI (JP)
MIYAJI MIDORI (JP)
Application Number:
PCT/JP2022/034176
Publication Date:
June 29, 2023
Filing Date:
September 13, 2022
Export Citation:
Assignee:
KURITA WATER IND LTD (JP)
International Classes:
B01J49/09; B01J49/60; C02F1/42
Domestic Patent References:
| WO2012157448A1 | 2012-11-22 |
Foreign References:
| JP2013081906A | 2013-05-09 | |||
| JPS5511089A | 1980-01-25 | |||
| JPS55124548A | 1980-09-25 | |||
| JPS4626963B1 | 1971-08-05 | |||
| JP2010042395A | 2010-02-25 |
Attorney, Agent or Firm:
HAYAKAWA Yuzi et al. (JP)
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