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C01F 1/00
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Methods of preparing compounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or the rare earths, in general |
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C01F 3/00
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Compounds of beryllium |
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C01F 3/02
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Oxides; Hydroxides |
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C01F 5/00
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Compounds of magnesium |
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C01F 5/02
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Magnesia |
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C01F 5/04
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Magnesia by oxidation of metallic magnesium |
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C01F 5/06
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Magnesia by thermal decomposition of magnesium compounds |
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C01F 5/08
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Magnesia by thermal decomposition of magnesium compounds by calcining magnesium hydroxide |
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C01F 5/10
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Magnesia by thermal decomposition of magnesium compounds by thermal decomposition of magnesium chloride with water vapour |
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C01F 5/12
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Magnesia by thermal decomposition of magnesium compounds by thermal decomposition of magnesium sulfate, with or without reduction |
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C01F 5/14
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Magnesium hydroxide |
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C01F 5/16
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Magnesium hydroxide by treating magnesia, e.g. calcined dolomite, with water or solutions of salts not containing magnesium |
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C01F 5/20
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Magnesium hydroxide by precipitation from solutions of magnesium salts with ammonia |
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C01F 5/22
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Magnesium hydroxide from magnesium compounds with alkali hydroxides or alkaline earth oxides or hydroxides |
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C01F 5/24
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Magnesium carbonates |
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C01F 5/26
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Magnesium halides |
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C01F 5/28
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Fluorides |
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C01F 5/30
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Chlorides |
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C01F 5/32
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Preparation of anhydrous magnesium chloride by chlorinating magnesium compounds |
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C01F 5/34
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Dehydrating magnesium chloride containing water of crystallisation |
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C01F 5/36
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Bromides |
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C01F 5/38
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Magnesium nitrates |
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C01F 5/40
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Magnesium sulfates |
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C01F 5/42
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Magnesium sulfites |
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C01F 7/00
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Compounds of aluminium |
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C01F 7/02
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Aluminium oxide; Aluminium hydroxide; Aluminates |
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C01F 7/04
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Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom |
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C01F 7/06
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Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process |
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C01F 7/08
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Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals with sodium carbonate, e.g. sinter processes |
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C01F 7/10
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Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals with alkali sulfates and reducing agents |
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C01F 7/12
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Alkali metal aluminates from alkaline earth metal aluminates |
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C01F 7/14
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Aluminium oxide or hydroxide from alkali metal aluminates |
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C01F 7/16
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Preparation of alkaline-earth metal aluminates or magnesium aluminates; Aluminium oxide or hydroxide therefrom |
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C01F 7/18
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Aluminium oxide or hydroxide from alkaline earth metal aluminates |
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C01F 7/20
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Preparation of aluminium oxide or hydroxide from aluminous ores using acids or salts |
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C01F 7/021
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After-treatment of oxides or hydroxides |
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C01F 7/22
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Preparation of aluminium oxide or hydroxide from aluminous ores using acids or salts with halides or halogen acids |
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C01F 7/023
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Grinding, deagglomeration or disintegration |
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C01F 7/24
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Preparation of aluminium oxide or hydroxide from aluminous ores using acids or salts with nitric acid or nitrogen oxides |
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C01F 7/025
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Granulation or agglomeration |
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C01F 7/26
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Preparation of aluminium oxide or hydroxide from aluminous ores using acids or salts with sulfuric acids or sulfates |
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C01F 7/027
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Treatment involving fusion or vaporisation |
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C01F 7/28
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Preparation of aluminium oxide or hydroxide from aluminous ores using acids or salts with sulfurous acid |
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C01F 7/30
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Preparation of aluminium oxide or hydroxide by thermal decomposition or by hydrolysis or oxidation of aluminium compounds |
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C01F 7/32
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Thermal decomposition of sulfates including complex sulfates, e.g. alums |
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C01F 7/34
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Preparation of aluminium hydroxide by precipitation from solutions containing aluminium salts |
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C01F 7/36
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Preparation of aluminium hydroxide by precipitation from solutions containing aluminium salts from organic aluminium salts |
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C01F 7/38
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Preparation of aluminium oxide by thermal reduction of aluminous minerals |
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C01F 7/40
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Preparation of aluminium oxide by thermal reduction of aluminous minerals in the presence of aluminium sulfide |
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C01F 7/42
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Preparation of aluminium oxide or hydroxide from metallic aluminium, e.g. by oxidation |
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C01F 7/043
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Lithium aluminates |
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C01F 7/44
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Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water |
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C01F 7/46
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Purification of aluminium oxide, aluminium hydroxide or aluminates |
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C01F 7/47
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Purification of aluminium oxide, aluminium hydroxide or aluminates of aluminates, e.g. removal of compounds of Si, Fe, Ga or of organic compounds from Bayer process liquors |
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C01F 7/48
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Halides, with or without other cations besides aluminium |
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C01F 7/50
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Fluorides |
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C01F 7/52
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Double compounds containing both fluorine and other halide groups |
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C01F 7/54
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Double compounds containing both aluminium and alkali metals or alkaline earth metals |
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C01F 7/56
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Chlorides |
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C01F 7/57
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Basic aluminium chlorides, e.g. polyaluminium chlorides |
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C01F 7/58
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Preparation of anhydrous aluminium chloride |
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C01F 7/60
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Preparation of anhydrous aluminium chloride from oxygen-containing aluminium compounds |
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C01F 7/62
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Purification |
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C01F 7/64
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Bromides |
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C01F 7/66
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Nitrates, with or without other cations besides aluminium |
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C01F 7/68
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Aluminium compounds containing sulfur |
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C01F 7/70
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Sulfides |
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C01F 7/72
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Sulfites |
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C01F 7/74
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Sulfates |
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C01F 7/76
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Double salts, i.e. compounds containing, besides aluminium and sulfate ions, only other cations, e.g. alums |
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C01F 7/77
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Aluminium carbonates |
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C01F 7/78
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Compounds containing aluminium and two or more other elements, with the exception of oxygen and hydrogen |
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C01F 7/085
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Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals with sodium carbonate, e.g. sinter processes according to the lime-sinter process |
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C01F 7/141
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Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by neutralisation with an acidic agent |
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C01F 7/142
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Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by neutralisation with an acidic agent with carbon dioxide |
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C01F 7/144
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Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by precipitation due to cooling, e.g. as part of the Bayer process |
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C01F 7/145
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Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by precipitation due to cooling, e.g. as part of the Bayer process characterised by the use of a crystal growth modifying agent other than aluminium hydroxide seed |
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C01F 7/147
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Apparatus for precipitation |
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C01F 7/148
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Separation of the obtained hydroxide, e.g. by filtration or dewatering |
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C01F 7/162
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Magnesium aluminates |
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C01F 7/164
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Calcium aluminates |
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C01F 7/166
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Strontium aluminates |
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C01F 7/168
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Barium aluminates |
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C01F 7/302
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Hydrolysis or oxidation of gaseous aluminium compounds in the gaseous phase |
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C01F 7/304
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Hydrolysis or oxidation of gaseous aluminium compounds in the gaseous phase of organic aluminium compounds |
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C01F 7/306
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Thermal decomposition of hydrated chlorides, e.g. of aluminium trichloride hexahydrate |
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C01F 7/308
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Thermal decomposition of nitrates |
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C01F 7/422
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Preparation of aluminium oxide or hydroxide from metallic aluminium, e.g. by oxidation by oxidation with a gaseous oxidator at a high temperature |
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C01F 7/424
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Preparation of aluminium oxide or hydroxide from metallic aluminium, e.g. by oxidation by oxidation with a gaseous oxidator at a high temperature using a plasma |
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C01F 7/426
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Preparation of aluminium oxide or hydroxide from metallic aluminium, e.g. by oxidation by applying mechanical energy to solid aluminium at a low temperature |
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C01F 7/428
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Preparation of aluminium oxide or hydroxide from metallic aluminium, e.g. by oxidation by oxidation in an aqueous solution |
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C01F 7/441
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Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination |
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C01F 7/442
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Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination in presence of a calcination additive |
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C01F 7/444
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Apparatus therefor |
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C01F 7/445
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Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination making use of a fluidised bed |
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C01F 7/447
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Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by wet processes |
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C01F 7/448
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Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by wet processes using superatmospheric pressure, e.g. hydrothermal conversion of gibbsite into boehmite |
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C01F 7/473
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Removal of organic compounds, e.g. sodium oxalate |
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C01F 7/476
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Removal of organic compounds, e.g. sodium oxalate by oxidation |
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C01F 7/0606
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Making-up the alkali hydroxide solution from recycled spent liquor |
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C01F 7/0613
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Pretreatment of the minerals, e.g. grinding |
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C01F 7/0626
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Processes making use of tube digestion only |
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C01F 7/0633
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Digestion characterised by the use of additives |
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C01F 7/0646
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Separation of the insoluble residue, e.g. of red mud |
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C01F 7/0653
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Separation of the insoluble residue, e.g. of red mud characterised by the flocculant added to the slurry |
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C01F 7/0666
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Process control or regulation |
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C01F 7/0673
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Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process from phosphate-containing minerals |
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C01F 7/0686
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Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process from sulfate-containing minerals, e.g. alunite |
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C01F 7/0693
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Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process from waste-like raw materials, e.g. fly ash or Bayer calcination dust |
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C01F 7/741
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Preparation from elemental aluminium or elemental aluminium containing materials, e.g. foil or dross |
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C01F 7/743
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Preparation from silicoaluminious materials, e.g. clays or bauxite |
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C01F 7/745
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Preparation from alums, e.g. alunite |
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C01F 7/746
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After-treatment, e.g. dehydration or stabilisation |
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C01F 7/748
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Purification |
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C01F 7/762
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Ammonium or alkali metal aluminium sulfates |
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C01F 7/765
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Ammonium aluminium sulfates |
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C01F 7/767
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Alkaline earth metal aluminium sulfates |
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C01F 7/782
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Compounds containing aluminium and two or more other elements, with the exception of oxygen and hydrogen containing carbonate ions, e.g. dawsonite |
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C01F 7/784
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Layered double hydroxide, e.g. comprising nitrate, sulfate or carbonate ions as intercalating anions |
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C01F 7/785
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Hydrotalcite |
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C01F 7/786
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Compounds containing aluminium and two or more other elements, with the exception of oxygen and hydrogen containing, besides aluminium, only anions, e.g. Al[OH]xCly[SO4]z |
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C01F 7/788
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Ammonium aluminium fluorides, e.g. ammonium hexafluoroaluminate |
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C01F 11/00
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Compounds of calcium, strontium, or barium |
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C01F 11/02
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Oxides or hydroxides |
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C01F 11/04
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Oxides or hydroxides by thermal decomposition |
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C01F 11/06
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Oxides or hydroxides by thermal decomposition of carbonates |
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C01F 11/08
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Oxides or hydroxides by reduction of sulfates |
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C01F 11/10
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Oxides or hydroxides from sulfides |
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C01F 11/12
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Oxides or hydroxides from silicates |
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C01F 11/16
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Purification |
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C01F 11/18
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Carbonates |
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C01F 11/20
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Halides |
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C01F 11/22
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Fluorides |
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C01F 11/24
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Chlorides |
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C01F 11/26
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Chlorides from sulfides |
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C01F 11/28
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Chlorides by chlorination of alkaline earth metal compounds |
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C01F 11/30
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Concentrating; Dehydrating; Preventing the absorption of moisture or caking |
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C01F 11/32
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Purification |
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C01F 11/34
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Bromides |
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C01F 11/36
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Nitrates |
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C01F 11/38
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Preparation with nitric acid or nitrogen oxides |
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C01F 11/40
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Preparation by double decomposition with nitrates |
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C01F 11/42
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Double salts |
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C01F 11/44
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Concentrating; Crystallising; Dehydrating; Preventing the absorption of moisture or caking |
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C01F 11/46
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Sulfates |
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C01F 11/48
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Sulfites |
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C01F 13/00
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Compounds of radium |
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C01F 15/00
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Compounds of thorium |
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C01F 17/00
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Compounds of rare earth metals |
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C01F 17/10
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Preparation or treatment, e.g. separation or purification |
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C01F 17/13
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Preparation or treatment, e.g. separation or purification by using ion exchange resins, e.g. chelate resins |
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C01F 17/17
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Preparation or treatment, e.g. separation or purification involving a liquid-liquid extraction |
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C01F 17/20
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Compounds containing only rare earth metals as the metal element |
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C01F 17/30
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Compounds containing rare earth metals and at least one element other than a rare earth metal, oxygen or hydrogen, e.g. La4S3Br6 |
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C01F 17/32
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Compounds containing rare earth metals and at least one element other than a rare earth metal, oxygen or hydrogen, e.g. La4S3Br6 oxide or hydroxide being the only anion, e.g. NaCeO2 or MgxCayEuO |
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C01F 17/34
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Aluminates, e.g. YAlO3 or Y3-xGdxAl5O12 |
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C01F 17/36
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Compounds containing rare earth metals and at least one element other than a rare earth metal, oxygen or hydrogen, e.g. La4S3Br6 halogen being the only anion, e.g. NaYF4 |
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C01F 17/38
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Compounds containing rare earth metals and at least one element other than a rare earth metal, oxygen or hydrogen, e.g. La4S3Br6 sulfur being the only anion, e.g. CaLa2S4 |
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C01F 17/206
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Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion |
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C01F 17/212
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Scandium oxides or hydroxides |
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C01F 17/218
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Yttrium oxides or hydroxides |
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C01F 17/224
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Oxides or hydroxides of lanthanides |
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C01F 17/229
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Lanthanum oxides or hydroxides |
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C01F 17/235
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Cerium oxides or hydroxides |
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C01F 17/241
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Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion containing two or more rare earth metals, e.g. NdPrO3 or LaNdPrO3 |
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C01F 17/247
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Carbonates |
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C01F 17/253
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Halides |
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C01F 17/259
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Oxyhalides |
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C01F 17/265
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Fluorides |
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C01F 17/271
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Chlorides |
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C01F 17/276
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Nitrates |
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C01F 17/282
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Sulfates |
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C01F 17/288
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Sulfides |
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C01F 17/294
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Oxysulfides |
