Microbiological control in uranium processing

Details Microbiological control in uranium processing Microbiological control in uranium processing

1985-09-19

1987-04-07

Castel, Benoit

Liquid purification or separation

Processes

Chemical treatment

210747, 423 7, 423 17, C02F 150

Patent

active

046559361

ABSTRACT:
A method of improving the recovery of U.sub.3 O.sub.8 from circulating aqueous leach fluids used to extract uranium from its ores in underground uranium fields, which fields are made up of a series of injection and producing wells, which aqueous fluids are contaminated by suspended and dissolved inorganic iron compounds caused by the presence of anerobic and aerobic bacteria, which comprises treating such aqueous leach fluids with at least 0.1 ppm of a mixture of 75% of 5-chloro-2-methyl-4-isothiazolin-3-one and 25% 2-methyl-4-isothiazolin-3-one.

REFERENCES:
patent: 4295932 (1981-06-01), Pocius
patent: 4296075 (1981-10-01), Yan
patent: 4489042 (1984-12-01), Savins et al.
patent: 4490336 (1984-12-01), Worthington et al.
patent: 4505889 (1985-03-01), Amick
patent: 4519985 (1985-05-01), Wells et al.
patent: 4552752 (1985-11-01), Amick
Kirk-Othmer Encyclopedia of Chemical Technology, vol. 21, John Wiley & Sons, 1970, pp. 12-18.

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