Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Alkali metal
Patent
1997-05-19
2000-01-18
Bos, Steven
Chemistry of inorganic compounds
Treating mixture to obtain metal containing compound
Alkali metal
4234991, 423395, 562607, 562609, C01D 1700
Patent
active
060155353
ABSTRACT:
Disclosed is a method for producing a predetermined cesium compound. The method comprises treating a cesium-containing material with a suitable reagent to dissolve at least a portion of the cesium contained in the material and form a slurry; adding a base comprising slaked lime or calcium carbonate and an acid containing the anion of the predetermined cesium compound to the slurry comprising the dissolved cesium; and separating the predetermined cesium compound. In one embodiment of the invention there is provided a method for producing a predetermined cesium compound from an ore comprising cesium aluminosilicate comprising: treating an ore comprising cesium aluminosilicate with an acid to form a slurry and dissolve at least a portion of the cesium contained in the ore; adding a base comprising slaked lime or calcium carbonate and a quantity of an acid containing the anion of the predetermined cesium compound to the slurry comprising dissolved or solubilized cesium; and separating the predetermined cesium compound. A drilling fluid or heavy medium separation fluid comprising the predetermined cesium compound of the process and having a specific gravity of between about 1.2 g/cm.sup.3 and about 2.5 g/cm.sup.3 and having less than 85% by weight of the predetermined cesium compound on a solution basis is also disclosed.
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Bakke Bart F.
Brown Patrick M.
Northrup Michael C.
Bos Steven
Cabot Corporation
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