C - Chemistry – Metallurgy – 01 – D
Patent
C - Chemistry, Metallurgy
01
D
23/168, 53/272
C01D 17/00 (2006.01) C22B 3/10 (2006.01) C22B 26/10 (2006.01) C22B 59/00 (2006.01)
Patent
CA 2015057
An improved process for recovering purified cesium chloride from a cesium aluminum silicate ore in which the ore is digested with aqueous hydrochloric acid and the silica solids removed to obtain an aqueous acidic digest solution of metal chlorides consisting principally of cesium chloride and aluminum chloride together with other metal chlorides, which includes the steps of evaporating the water from the digest solution to obtain a solid phase mixture of metal chlorides, including cesium chloride and hydrated aluminum chloride; heating the solid phase mixture at a temperature effective for converting the hydrated aluminum chloride to aluminum oxide without decomposing the cesium chloride; extracting the resulting solids with water to obtain an aqueous extract of cesium chloride; and separating the residual solids containing the aluminum oxide to produce a purified extract of cesium chlorides.
Pillai Chithambarathanu G.
Pisarcyzk Kenneth S.
Carus Corporation
Metallgesellschaft Aktiengesellschaft
Robic
LandOfFree
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