Patents for C22B 26 - Obtaining alkali, alkaline earth metals or magnesium (2,661)
04/1985
04/03/1985EP0136117A2 Cold trap apparatus
02/1985
02/12/1985US4498927 Thermal reduction process for production of magnesium using aluminum skim as a reductant
01/1985
01/23/1985EP0131810A1 Process for recovering cesium from pollucite
01/22/1985CA1181243A1 Method for leaching magnesium from magnesium hydroxide-containing compositions
12/1984
12/18/1984US4488964 Apparatus for removing a radioactive substance from a molten metal
12/18/1984US4488905 Method of recovering volatile metals from material containing metal oxides
12/18/1984US4488904 Method and apparatus for retrieving metallic vapor in the liquid phase using pool of molten retrieving metal
12/12/1984EP0128057A1 Process for purifying a mixture by forming two phases of distinct physical states and preferentially extracting the impurities
12/11/1984CA1179150A1 Method and furnace for refining of magnesium
11/1984
11/20/1984US4483827 Hydrometallurgical process for the recovery of valuable metals from sulfidic, silicate-containing raw materials
11/20/1984CA1178026A1 Treatment of chlorination residue
11/14/1984EP0124635A1 Method and apparatus for liquid metal collection from vapor using molten pool of collecting metal
11/14/1984EP0124634A1 Method and apparatus for retrieving metallic vapor in the liquid phase using pool of molten retrieving metal
10/1984
10/23/1984US4478637 Thermal reduction process for production of magnesium
06/1984
06/26/1984US4456480 Controlled cooling, compaction, and remelting to form crystal layer between purified metal and impurities
06/19/1984CA1169247A1 Apparatus for refining molten aluminum
05/1984
05/30/1984EP0109877A1 Purification device for a fast reactor's liquid metal coolant
05/08/1984US4447406 Extraction with hydrochloric acid and precipitation with potassium permanganate
04/1984
04/17/1984US4443004 Device for the treatment of a stream of aluminum or magnesium-based liquid metal or alloy during its passage
04/10/1984US4441923 Integrated process using non-stoichiometric sulfides or oxides of potassium for making less active metals and hydrocarbons
03/1984
03/20/1984US4437886 Process for manufacture of metallic magnesium
02/1984
02/28/1984US4434241 Rhodium, lithium, idoine values
02/21/1984US4432208 Cold trap
01/1984
01/31/1984US4428912 From chlorination of aluminum in clay or bauxite
11/1983
11/29/1983US4417920 Process for eliminating metallic impurities from magnesium by injecting a halogenated derivative or boron
10/1983
10/18/1983US4410423 Separation of spent cathode carbon and alkaline ore
10/12/1983EP0091386A1 Process for purifying metals by segregation
08/1983
08/30/1983US4401635 Mining sodium carbonate with sodium hydroxide solution
06/1983
06/28/1983US4390364 Removal of fine particles from molten metal
06/22/1983EP0082063A1 Device for purifying the cooling liquid metal of a fast breeder reactor's core
06/21/1983US4389310 Cold trap
06/07/1983CA1147558A1 Method of recovering volatile metals from material containing metal oxides
05/1983
05/31/1983US4385931 Method and furnace for refining of magnesium
04/1983
04/20/1983EP0077282A1 Installation for the continuous treatment of liquid metals or liquid metal alloys in the form of magnesium or aluminium
04/12/1983CA1144341A1 Process for the separation of ferrous, aluminous and manganous contaminations from hydrochloric magnesium chloride solutions
04/06/1983EP0075836A2 Process for recovering magnesium
03/1983
03/01/1983US4375454 Electrostatic enrichment of trona and nahcolite ores
03/01/1983CA1141969A1 Sodium purification apparatus and method
02/1983
02/17/1983WO1983000508A1 Treating molten aluminum
02/15/1983CA1141171A1 Magnesium production
12/1982
12/21/1982CA1137761A1 Method for adding manganese to a molten magnesium bath
12/07/1982CA1137249A2 Recovery of lithium from brines
11/1982
11/30/1982CA1136576A1 Electrolytic method and apparatus for producing magnesium from a salt solution containing magnesium sulphate
11/24/1982EP0065225A1 Process for manufacture of metallic magnesium
11/03/1982EP0063620A1 Process for producing magnesium
08/1982
08/31/1982US4347077 Process for producing magnesium alloys
07/1982
07/27/1982US4341744 Charging crushed trona ore to effect electrostatic separation of nonconducting impurities; roasting; beneficiation
07/14/1982EP0055815A1 Method and furnace for refining of magnesium
07/13/1982CA1127610A1 Recovery of metal granules from process sludge
06/1982
06/30/1982EP0054846A1 Diamond and cubic boron nitride abrasive compacts using size selective abrasive particle layers and process for making same
06/29/1982CA1126481A1 Recovery of lithium from brine
06/15/1982US4335083 Method for leaching magnesium from magnesium hydroxide-containing composition
06/08/1982US4333913 Alkali metal hydroxides, reacting peroxide with mercury polysulfide to precipitate mercury oxide
04/1982
04/20/1982US4325539 Device for treating a molten metal or alloy using liquid and solid flux
01/1982
01/19/1982US4311490 Multilayer
01/12/1982CA1115966A1 Method of extracting magnesium from magnesium oxides
01/12/1982CA1115965A1 Continuous extraction of magnesium from magnesium oxides
12/1981
12/29/1981CA1115065A1 Metallothermal process for the simultaneous production of magnesium and cement or calcium and cement
12/22/1981US4307066 From clays or ores by chlorination
11/1981
11/24/1981US4302243 Process for producing tantalum concentrates
11/24/1981CA1112880A1 Hydrometallurgical process for the treatment of oxides and ferrites which contain iron and other metals
11/03/1981US4298379 From solution of mixed metal sulfates containing boron and silicon impurities
10/1981
10/28/1981EP0038608A1 Apparatus for refining molten metal
10/20/1981US4295884 Process for treating a molten metal or alloy using liquid and solid flux
09/1981
09/29/1981US4291865 Radial cold trap
09/22/1981US4291001 Using an ion exchange resin, aluminate composite
09/22/1981US4290822 Adding metal hydroxide remove oxides, hydrides
09/22/1981US4290804 Method for producing magnesium
09/22/1981US4290588 Apparatus for refining molten aluminum
09/08/1981CA1108409A1 Thermal production process of magnesium
08/1981
08/25/1981US4285915 Recovery of alkali values from trona ore
08/25/1981US4285914 Recovery of lithium from low-grade ores
08/11/1981US4283372 By solubilizing the ore, crystallization
08/06/1981WO1981002153A1 Production of high purity and high surface area magnesium oxide
07/1981
07/29/1981EP0032563A1 A process for increasing the lithium content obtained from lithium solutions using lithium aluminates/resin composites
07/14/1981US4278499 Apparatus for the purification of a liquid metal for cooling in the core of a fast neutron reactor
06/1981
06/16/1981CA1103399A1 Recovery of mg su xx from brines
06/10/1981EP0030067A1 Process for the extraction of metal ions
04/1981
04/07/1981US4260494 Removal of mercury sulfides by oxidation
04/07/1981CA1098716A1 Chemicothermal production of magnesium
12/1980
12/23/1980US4240825 Metallothermal process for the simultaneous production of magnesium and cement or calcium and cement
12/09/1980US4238224 Continuous extraction of magnesium from magnesium oxides
12/09/1980US4238223 Method of extracting magnesium from magnesium oxides
11/1980
11/25/1980CA1090142A1 Methods and apparatus for the production of mg and ca by carbon reduction
09/1980
09/23/1980US4224120 Electrolytic method and apparatus for producing magnesium from a salt solution containing magnesium sulphate
09/23/1980CA1086071A1 Process for producing magnesium utilizing aluminum metal reductant
09/09/1980CA1085172A1 Flotation process
08/1980
08/26/1980US4219354 Hydrometallurgical process for the treatment of oxides and ferrites which contain iron and other metals
08/19/1980CA1083823A1 Magnesium reclamation process and apparatus
08/05/1980CA1082927A1 Process for producing magnesium utilizing aluminum metal reductant
07/1980
07/22/1980CA1081970A1 Process for producing magnesium utilizing aluminum- silicon alloy reductant
06/1980
06/24/1980CA1079932A1 Method of recovering magnesia from scrap brick
06/11/1980EP0012074A1 Method of cleaning a cold trap for liquid metals, and device for carrying out this method
06/03/1980CA1078976A1 Beneficiation of lithium ores by froth flotation
05/1980
05/27/1980US4204860 Reduction of magnesium oxide
04/1980
04/29/1980US4200264 Apparatus for obtaining Mg and Ca through carbon reduction
04/22/1980US4199797 Protective circuit for amplifier circuits
04/08/1980CA1075325A1 Plasma reactor and procedure for reduction of metal oxides
04/08/1980CA1075013A1 Recovery of cesium and palladium from nuclear reactor fuel processing waste
04/01/1980US4195891 Alkali metal vapor generator
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