Title:
METHOD OF TREATING WATER CONTAINING Ca HARDNESS
Document Type and Number:
Japanese Patent JP2023091376
Kind Code:
A
Abstract:
To provide a method of treating water containing Ca hardness, capable of downsizing a packed column while preventing a hardness component from leaking into treated water side.SOLUTION: The method of treating water containing Ca hardness for removing Ca hardness by allowing water containing Ca hardness to pass through a packed column packed with a cation exchanger is characterized in that the Ca hardness in the water containing Ca hardness is 5 mg-CaCO3/L or below, and a space velocity (SV) of the water containing Ca hardness is from 100 to 300 h-1.SELECTED DRAWING: None
Inventors:
NAKANO TORU
Application Number:
JP2021206088A
Publication Date:
June 30, 2023
Filing Date:
December 20, 2021
Export Citation:
Assignee:
ORGANO KK
International Classes:
C02F1/42; B01D61/02; B01D61/04; B01J39/07; B01J39/18; B01J47/12; B01J49/06; B01J49/53; B01J49/75; C02F1/44
Attorney, Agent or Firm:
Patent Attorney Corporation YKI International Patent Office
Previous Patent: Golf ball
Next Patent: Information processing system, information processing method, information processing program
Next Patent: Information processing system, information processing method, information processing program