Process for preparing inorganic particulate adsorbent and proces

Details Process for preparing inorganic particulate adsorbent and proces Process for preparing inorganic particulate adsorbent and proces

1979-10-01

1981-08-04

Shine, W. J.

Liquid purification or separation

Processes

Ion exchange or selective sorption

210688, 252463, C02F 142, B01J 2104, B01J 2106

Patent

active

042820928

ABSTRACT:
An inorganic particulate adsorbent of a titania-alumina system for treating a superheated water containing radioactive materials such as cobalt ions, which is free from release of corrosive impruities, and which has a high adsorption capacity of radioactive materials and a high mechanical strength is prepared by hydrolyzing a titanium alkoxide and an aluminum alkoxide, thereby forming a hydrous titanium oxide and a hydrous aluminum oxide, respectively; precalcining the hydrous titanium oxide and aluminum oxide, mixing and molding the resulting titania and alumina into a particulate mixture thereof having a titania mole fraction of 0.2-0.9, and calcining the particulate mixture at 500.degree.-700.degree. C. This absorbent is effectively used in treating boiling water-type nuclear reactor core-circulating water to remove radioactive substances therefrom.

REFERENCES:
patent: 2549240 (1951-04-01), Robinson
patent: 4039478 (1977-08-01), Cull et al.
patent: 4061596 (1977-12-01), Matsushita et al.
patent: 4156646 (1979-05-01), Schulz

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