Title:
RADIUM ADSORBENT, PRODUCTION THEREOF AND TREATMENT OF RADIUM-CONTAINING WASTE WATER USING THE ADSORBENT
Document Type and Number:
Japanese Patent JP3831107
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a radium adsorbent excellent in radium adsorption performance and further capable of repeating use, the production method and a treating method of radium-containing waste water using the adsorbent.
SOLUTION: The radium adsorbent consists of strong acidic cation exchange resin, moist oxides of titanium and zirconium, and the most oxides of titanium and zirconium are chemically bonded to the strong acidic cation exchange resin. Thus, the radium adsorbent has high radium adsorption performance and is stable to a physical action such as air washing, and besides, radium can be desorbed while the moist oxides of titanium and zirconium are held, and the adsorbent shows excellent radium adsorption performance even after a radium desorbing treatment, then the adsorbent can be used repeatedly.
Inventors:
Ichiro Ninomiya
Katsuyuki Mukai
Katsuyuki Mukai
Application Number:
JP6971498A
Publication Date:
October 11, 2006
Filing Date:
March 19, 1998
Export Citation:
Assignee:
UNITIKA LTD.
International Classes:
B01D15/00; B01J20/26; B01J39/18; C01F13/00; C02F1/28; C02F1/62; G21F9/12; (IPC1-7): B01J20/26; B01D15/00; B01J39/18; C01F13/00; C02F1/28; C02F1/62; G21F9/12
Domestic Patent References:
| JP59069151A | ||||
| JP58036632A | ||||
| JP57004229A |