pollucite ore alum

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16 ensp 0183 ensp pollucite pollution polonium polybasite polycrase polygon polyhalite polymerization polymorphism polyphase pond pontoon pony cut poor ore poor quality

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ensp 0183 ensp , ,en list of minerals 20077 ,0 1

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Polyhalite Mineral information data and localities

Closely related to leightonite This locality has map coordinates listed This locality has estimated coordinates ⓘ Click for further information on this occurrence

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Caesium Wikis The Full Wiki

The deposits there are estimated to contain 350 000 metric tons of pollucite ore 35 with an average caesium content of 24 wt 36 Although the stoichiometric content of caesium in pollucite is 42 6 pure pollucite samples from the deposit at Bernic Lake Canada contain only about 34 caesium Commercial pollucite contains over 19 caesium

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Rubidium

27 ensp 0183 ensp Rubidium is a chemical element with the symbol Rb and atomic number 37 Rubidium is a very soft silvery white metal in the alkali metal group Rubidium metal shares similarities to potassium metal and caesium metal in physical appearance softness and conductivity Rubidium cannot be stored under atmospheric oxygen as a highly exothermic reaction will ensue sometimes even resulting in

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P

12 ensp 0183 ensp p v cbelt pace packcompression packwall packedcog packing packingdegree packingma

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Category Aluminium minerals

5 ensp 0183 ensp Pages in category quot Aluminium minerals quot The following 200 pages are in this category out of approximately 218 total This list may not reflect recent changes previous page

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5 PRODUCTION IMPORT EXPORT USE AND DISPOSAL

27 ensp 0183 ensp 5 PRODUCTION IMPORT EXPORT USE AND DISPOSAL Alkaline decomposition is carried out by roasting the pollucite ore with Cesium alum is crystallized from the leach filtrate by stage cooling to 50 176 C and then to 20 176 C and roasted in the presence of 4 carbon The residue is

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Caesium

Mining and refining pollucite ore is a selective process and is conducted on a smaller scale than for most other metals The ore is crushed hand sorted but not usually concentrated and then ground Caesium is then extracted from pollucite primarily by three methods acid digestion alkaline decomposition and

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KAl SO4 2 NaCl H2O chemistry

The situation would be very different if NaCl was replaced with CsCl CsAl SO4 2 12H2O would precipitate because it is nearly insoluble in cold water this trick is used for isolation of Cs from pollucite the aluminosilicate ore is cooked with diluted sulfuric acid upon slow cooling giant rhombs of Cs alum crystallize out of the supernatants

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P

12 ensp 0183 ensp P p v c belt pace pack compression pack wall packed cog packing packing degree packing material packwall pad paddle paddle mixer

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Cesium Aluminate AMERICAN ELEMENTS

Cesium s main commercial source is pollucite ore however it is also found in beryl avogadrite pezzottaite and londonite Cesium was discovered by Robert Bunsen and Gustav Kirchhoff in 1860 and first isolated by Carl Setterberg in 1882 In its elemental form cesium has a silvery gold appearance

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Caesium

Mining and refining pollucite ore is a selective process and is conducted on a smaller scale than for most other metals the ore is crushed hand sorted but not usually concentrated and then ground Caesium is then extracted from pollucite primarily by three methods acid digestion alkaline decomposition and

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Recovery of rubidium and potassium alums from

Rubidium alum is more soluble than caesium alum and less soluble than the other alkali alums The existence of lithium alum is uncertain Helmboldt et al 2007 However during some work on the mass susceptibility of the alums a successful attempt was made to prepare lithium alum James et al 1934

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List of minerals

17 ensp 0183 ensp This is a List of minerals for which there are Wikipedia articles Mineral variety names and mineraloids are to be listed after the valid minerals for each letter For a complete listing about 4 000 of all mineral names List of minerals complete

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III Cesium extractive metallurgy Ore to metal

Methods which might be competitive but which were not examined by cost evaluation include 1 dissolution of cesium from pollucite with sulfuric acid from which cesium alum could be produced and converted to cesium chloride for reduction to cesium metal and 2 roasting of pollucite at 1250–1300 176 C with limestone and calcium chloride to

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Cesium Wikis The Full Wiki

The mining of pollucite ore as with other zoned pegmatites is a selective process and is conducted on a small scale in comparison with most metal mining operations The ore is crushed hand sorted but not usually concentrated and then ground to prepare it for conversion to caesium metal or compounds 2

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N P

8 ensp 0183 ensp nacreous layer nacreous structure nacrite nadorite naegite nagatelite nagyagite nahcolite nail nakhlite nantokite naphthabitumen

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US3207571A

US3207571A US185833A US18583362A US3207571A US 3207571 A US3207571 A US 3207571A US 185833 A US185833 A US 185833A US 18583362 A US18583362 A US 18583362A US 3207571 A US3207571 A US 3207571A Authority US United States Prior art keywords cesium hydroxide sulfate solution water Prior art date 09 Legal status The legal status is an assumption and is not a

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Aluminum Cesium Sulfate Dodecahydrate

17 ensp 0183 ensp Aluminum Cesium Sulfate Dodecahydrate is a moderately water and acid soluble Aluminum source for uses compatible with sulfates Sulfate compounds are salts or esters of sulfuric acid formed by replacing one or both of the hydrogens with a metal Most metal sulfate compounds are readily soluble in water for uses such as water treatment unlike fluorides and oxides which tend to be insoluble

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Characteristics

28 ensp 0183 ensp The mining of pollucite ore is a selective process and is conducted on a small scale in comparison with most metal mining operations The ore is crushed hand sorted but not usually concentrated and then ground Caesium is then extracted from pollucite mainly by three methods acid digestion alkaline decomposition and direct reduction 8 60

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Alkali Metals – ManufacturingET org

The alkali metals are a series of chemical elements in the periodic table rubidium and caesium The fractional crystallization of a rubidium and caesium alum Cs Rb Al The mining of pollucite ore is a selective process and is conducted on a small scale in comparison with most metal mining operations The ore is crushed hand sorted

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Recovery of cesium chloride from pollucite ore

3 ensp 0183 ensp A process for recovering purified cesium chloride from pollucite ore in which the ore is digested with aqueous hydrochloric acid and the silica solids removed to obtain an aqueous acidic solution of metal chlorides consisting principally of cesium chloride and aluminum chloride together with ferric chloride and other metal chlorides wherein

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O P

23 ensp 0183 ensp oolitic iron ore deposit oolitic limestone oolitic structure ooze potash alum potash feldspathization potash granite potash rhyolite

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I Q

8 ensp 0183 ensp i arch i bar i beam i steel ice ice cylinder ice wall idle roller idler igneous breccia ignitability ignitable ignite igniter igniter cord

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Process for recovering cesium from cesium alum

21 ensp 0183 ensp BACKGROUND AND PRIOR ART The field of this invention relates to the recovery of cesium from cesium bearing minerals such as pollucite More specifically this invention relates to an improvement in such recovery processes wherein the cesium ore is extracted with sulfuric acid to obtain an extract containing cesium alum CsAl SO 4 2 for further processing

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CESIUM FROM POLLUCITE BY ALUMINUM

28 ensp 0183 ensp Cesium Recovery from Ores Adaptation of the phenol extraction Phenex process to the recovery of cesium from ore leach liquors continued to show promise In roast leach tests 98 to 99 of the cesium was dissolved from pollucite ore by roasting the ore at 800 deg C with 1 8 parts of Na sub 2 CO sub 3 plus 1 2 parts of NaCl and leaching with

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