Published May 25, 1977 | Version v1
Patent Metadata-only

Carbonate leaching of uranium

Creators

Description

A carbonate leaching process for the solution mining of subterranean uranium containing formations in which an injection well is drilled and completed within the uranium formation and in which alkaline carbonate uranium leaching solution and sufficient hydrogen peroxide are injected through the injection well into the formation whereby uranium values are produced from production wells, characterized by providing in the leaching solution a mixture of 1-hydroxyethylidene-1, 1-diphosphonic acid and an alkali metal pyrophosphate in a weight ratio of from 1 to 10 to 10 to 1, the amount of said mixture being sufficient to inhibit decomposition of the hydrogen peroxide in said leaching solution

Availability note (English)

Available from Patents Office, Struben Street, Pretoria, 0002.

Additional details

Publishing Information

Imprint Pagination
8 p.
IPC:
Nat. Cl. C 01 b; C 01 g.
IPC
Nat. Cl. C 01 b; C 01 g.
Patent number
ZA patent document 77/3226/A/

INIS

Country of Publication
South Africa
Country of Input or Organization
South Africa
INIS RN
9391584
Subject category
S58: GEOSCIENCES;
Resource subtype / Literary indicator
Non-conventional Literature
Descriptors DEI
CARBONATES; HYDROGEN PEROXIDE; LEACHING; SOLUTION MINING; UNDERGROUND; URANIUM
Descriptors DEC
ACTINIDES; CARBON COMPOUNDS; DISSOLUTION; ELEMENTS; HYDROGEN COMPOUNDS; IN-SITU PROCESSING; LEVELS; METALS; MINING; ORE PROCESSING; OXYGEN COMPOUNDS; PEROXIDES; SEPARATION PROCESSES

Optional Information

Notes
Priority 9 June 1976 United States. No. 694,137.