Title:
ION EXCHANGER, CLEANING DEVICE AND CLEANING METHOD
Document Type and Number:
Japanese Patent JP2012061407
Kind Code:
A
Abstract:
To provide an ion exchanger, a cleaning device and a cleaning method capable of preventing new impurities from flowing out into treated liquid, and reducing heat loss resulting from cooling operation of liquid to be treated, which is performed after removing impurities in the liquid to be treated at high temperatures.
This ion exchanger is a double hydroxide represented by general formula (1): L2+XM3+y(OH)2(OH-)2X+3y-nH2O (in the formula, L2+ is divalent metal cation selected from Mg2+, Ca2+ and Zn2+, M3+ is trivalent metal cation selected from Fe3+, Al3+ and Mn3+, x and y are numbers satisfying 0<x, 0<y, and x+y=8, and n is a number satisfying 0≤n).
Inventors:
OMURA TSUNEO
YAGYU MOTOSHIGE
NAKAMURA HIDEKI
SEKI HIDEJI
YAGYU MOTOSHIGE
NAKAMURA HIDEKI
SEKI HIDEJI
Application Number:
JP2010207097A
Publication Date:
March 29, 2012
Filing Date:
September 15, 2010
Export Citation:
Assignee:
TOSHIBA CORP
International Classes:
B01J41/10; B01D61/48; B01J39/04; B01J39/10; B01J41/04; C01F7/18; C01G33/00; C02F1/42; C02F1/469; G21C19/307; G21F9/12
Attorney, Agent or Firm:
Patent business corporation Tokyo International Patent Office