CESIUM CHLORIDE FROM ALUMINOSILICATE
The invention relates to a 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 chl...
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| creator | G. CHITHAMBARATHANU PILLAI KENNETH S. PISARCYZK |
| description | The invention relates to a 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, wherein the improvement comprises: (a) evaporating the water from said digest solution to obtain a solid phase mixture of metal chlorides, including cesium chloride and hydrated aluminum chloride; (b) heating said solid phase mixture at a temperature effective for converting the hydrated aluminum chloride to aluminum oxide without decomposing the cesium chloride; (c) extracting the resulting solids with water to obtain an aqueous extract of cesium chloride; and (d) separating the residual solids containing the aluminum oxide to produce a purified extract of cesium chloride. |
| format | Patent |
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PISARCYZK</creatorcontrib><description>The invention relates to a 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, wherein the improvement comprises: (a) evaporating the water from said digest solution to obtain a solid phase mixture of metal chlorides, including cesium chloride and hydrated aluminum chloride; (b) heating said solid phase mixture at a temperature effective for converting the hydrated aluminum chloride to aluminum oxide without decomposing the cesium chloride; (c) extracting the resulting solids with water to obtain an aqueous extract of cesium chloride; and (d) separating the residual solids containing the aluminum oxide to produce a purified extract of cesium chloride.</description><edition>5</edition><language>eng</language><subject>CHEMISTRY ; COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM,RUBIDIUM, CAESIUM, OR FRANCIUM ; FERROUS OR NON-FERROUS ALLOYS ; INORGANIC CHEMISTRY ; METALLURGY ; PRETREATMENT OF RAW MATERIALS ; PRODUCTION AND REFINING OF METALS ; TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><creationdate>1991</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19911121&DB=EPODOC&CC=AU&NR=617248B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19911121&DB=EPODOC&CC=AU&NR=617248B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>G. 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PISARCYZK</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>CESIUM CHLORIDE FROM ALUMINOSILICATE</title><date>1991-11-21</date><risdate>1991</risdate><abstract>The invention relates to a 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, wherein the improvement comprises: (a) evaporating the water from said digest solution to obtain a solid phase mixture of metal chlorides, including cesium chloride and hydrated aluminum chloride; (b) heating said solid phase mixture at a temperature effective for converting the hydrated aluminum chloride to aluminum oxide without decomposing the cesium chloride; (c) extracting the resulting solids with water to obtain an aqueous extract of cesium chloride; and (d) separating the residual solids containing the aluminum oxide to produce a purified extract of cesium chloride.</abstract><edition>5</edition><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM,RUBIDIUM, CAESIUM, OR FRANCIUM FERROUS OR NON-FERROUS ALLOYS INORGANIC CHEMISTRY METALLURGY PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | CESIUM CHLORIDE FROM ALUMINOSILICATE |
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