Patents for C22B 26 - Obtaining alkali, alkaline earth metals or magnesium (2,661)
02/2004
02/26/2004US20040035249 Recovery of purified volatile metal such as lithium from mixed metal vapours
02/25/2004CN1477218A Mangnesium alloy zirconium compound silicon-removing flux and its production method
02/17/2004US6692710 Acid leaching; magnesium compound formed after nickel or cobalt is brought into solution; adding alkali or alkaline earth metal carbonate to produce magnesite; adding hydrogen chloride to produce magnesium chloride; salt formation
02/17/2004US6692709 Using an extractant solution of a calcium ion or magnesium ion loaded extractant in a water immiscible organic solvent
02/12/2004WO2004013360A1 Salt furnace
02/12/2004US20040028585 Cooling melt to harden; extraction, separation
02/05/2004US20040021257 Rotary gas dispersion device for treating a liquid metal bath
02/03/2004US6685764 Exposing molten reactive metal to gaseous mixture comprising fluorocarbon selected from perfluoroketones and/or hydrofluoroketones, to protect metal from reacting with oxygen in air
01/2004
01/27/2004US6682585 Refining nonferrous metals and alloys with gases having reduced global warming potential
01/21/2004CN1469935A Rotary gas dispersion device for treating a liquid metal bath
01/20/2004CA2333517C Blanketing molten non-ferrous metals and alloys with gases having reduced global warming potential
01/08/2004US20040005267 Production of lithium compounds directly from lithium containing brines
01/08/2004US20040003681 Method for recovering catalytic metals using a porous metal filter
01/07/2004CN1465747A Method for removing coating, method for preparing regenrrated magnesium alloy and regenerated paint
01/02/2004EP1373139A1 Extraction of silica and magnesium compounds from olivine
12/2003
12/17/2003CN1131327C Magnesium powder resmelting recovery method
12/11/2003US20030228251 Production of lithium compounds directly from lithium containing brines
12/11/2003US20030226424 Method of removing coating from coated magnesium alloy product, method of making recycled magnesium alloy and method of recycling coating
12/10/2003CN1460726A Process for extracting metal calcium by thermal reduction
12/10/2003CN1130467C Reducing Ceramic pot for smelting magnesium and its production method
12/04/2003US20030222020 Apparatus and method of recovering lithium cobalt oxide from spent lithium batteries
12/03/2003EP1097247B1 A method for isolation and production of magnesium based products
12/03/2003CN2589486Y Automatic slag tapping machine for magnesium extraction
11/2003
11/26/2003CN2587882Y Conjancted chamber-separated smelting magnesium reduction furnance
11/04/2003US6641713 Apparatus and system for refining sodium
10/2003
10/01/2003CN2576723Y Metal magnesium reduction furnace
10/01/2003CN1445381A Method for recovering catalytic metal using porous metal filter
09/2003
09/30/2003US6627085 Treatment of brine to remove metals and silicon therefrom
09/25/2003US20030180604 Method of and apparatus for dismantling and storage of objects comprising alkali metals, such as alkali metal containing batteries
09/24/2003CN1122112C Foamed magnesium alloy covering agent and its preparing method
09/23/2003US6624380 Includes a plasma torch configured to heat the feed material to a temperature sufficient to reduce and ionize sodium; plasma jet is created that contains ionized sodium and non-ionized neutrals such as hydrogen and carbon monoxide
09/22/2003CA2378721A1 Metals recovery from serpentine ores
09/18/2003US20030173004 Extrusing a metal alloy or composite; severing lengths of the extruded stock material to produce solid pellets of feed material for use in producing a thixotropic alloy
09/17/2003EP1229977A4 Polyamide-containing ligands covalently bonded to supports, polyamide-containing resins, and methods for removing metals from solutions
09/17/2003CN1442928A Method and device of decomposing and storaging product containing alkali metal such as alkali metal battery
09/16/2003CA2137007C Method for removing alkaline sulfate scale
09/04/2003US20030164069 Method for generating pollution credits while processing reactive metals
09/04/2003US20030164068 Exposing reactive metal to a gaseous mixture comprising a fluorocarbon selected from the group consisting of perfluoroketones, hydrofluoroketones, and mixtures thereof to protect reactive metal from reacting with oxygen in air
08/2003
08/20/2003EP1336664A2 Inline melt degassing apparatus with rotary impeller and heater
08/20/2003EP1335993A2 Recovery of purified volatile metal such as lithium from mixed metal vapours
08/20/2003CN1436865A Magnesium alloy waste regenerator
08/19/2003US6607578 Continuous vacuum refining method of molten metal and apparatus thereof
08/14/2003US20030151176 Inline degassing apparatus
08/13/2003EP1335030A1 High purity metals, process and apparatus for producing them by enhanced purification
08/07/2003US20030145684 Solidification, entrainment zones; vapor passageway plates; recirculation of melts
08/06/2003EP1333523A2 Method of and apparatus for dismantling and storage of objects comprising alkali metal, such as alkali metal containing batteries
08/06/2003EP1333522A1 Method of and apparatus for storage and handling of objects comprising alkali metals, such as alkali metal containing batteries
08/06/2003EP1332235A1 Rotary gas dispersion device for treating a liquid metal bath
08/06/2003CN1434138A Flux-free magnesium alloy waste material recovery furnace structure and recovery system thereof
08/06/2003CN1117164C Heat reduction preparation and purification process and equipment of metal lithium
08/06/2003CN1117030C Adsorbent for cesium ion and method or making and using
08/05/2003US6602322 Mixing metal-containing dust and carbonaceous fines to form a particulate mixture; heating to reduce and release volatile metals and alkali metals therefrom along with gaseous products; collecting released metals and gases, reoxidizing
07/2003
07/31/2003WO2003062492A1 Magnesium-zirconium alloying
07/23/2003EP1329525A1 Refining molten nonferrous metals and alloys with gases having reduced global warming potential
07/17/2003WO2003035917A3 Method for processing magnesium containing scrap by melting in a vacuum furnace
07/09/2003CN1429391A Method for isolating and purifying 90Y from 90 strontium in multi-curie quantities
07/02/2003EP1119645B1 Process and apparatus for recovering metal material from waste material
06/2003
06/12/2003WO2003048398A1 Method of and apparatus for condensing metallic vapours
06/12/2003US20030108464 Method for separating metal ions
06/04/2003EP1315842A2 Method for protecting the surface of a magnesium melt
05/2003
05/28/2003EP1314788A2 A method for recovering catalytic metals using a porous metal filter
05/28/2003CN1420187A Process of magnesium smelting with 6-10 hrs reduction period
05/22/2003US20030094379 Low temperature alkali metal electrolysis
05/20/2003US6566561 Phenoxy fluoro-alcohols, their preparation, and their use as phase modifiers and solvating agents
05/06/2003US6557619 Die casting
05/01/2003WO2003035917A2 Method for processing magnesium containing scrap by melting in a vacuum furnace
04/2003
04/24/2003WO2003033748A1 A filtration system for magnesium recycling and purification
04/15/2003US6547836 Process for obtaining monohydrated lithium sulfate from natural brines
03/2003
03/25/2003US6537346 Protecting magnesium from reacting with oxygen by exposing to perfluoroketones or hydrofluoroketones
03/13/2003WO2003020989A1 High temperature metal recovery process
03/13/2003US20030047035 High temperature metal recovery process
03/05/2003CN2538810Y Coal combustion type high-pure Mg vacuum refining furnace
03/04/2003US6527826 Operation method of furnace equipment for magnesium alloys
02/2003
02/26/2003EP1124998B1 Method for the production of a high-purity concentrated magnesium chloride solution by acid leaching and neutralization
02/26/2003EP1012352B1 Chloride assisted hydrometallurgical extraction of nickel and cobalt from sulphide or laterite ores
02/26/2003CN1398996A Waste magnesium alloy vacuum recovering process and equipment
02/26/2003CN1398995A Vertical tank strontium smelting process and plant
02/25/2003US6524737 Method for crushing cell
02/20/2003US20030034094 Protective coating using fluorinated ketone
02/18/2003US6521018 Mixture of compounds including, e.g., carbonyl fluoride, sulfuryl chloride fluoride, trifluoroacetyl fluoride, sulfur tetrafluoride, bisfluoroxydifluoromethane, nitrosyl fluoride, thionyl fluoride, sulfuryl fluoride, etc.
02/18/2003US6520388 Casting furnace and method for continuous casting of molten magnesium
02/12/2003EP1144700B1 Improved method for filtering a metal liquid on a bed of refractory particulate material
02/06/2003US20030026749 Purification for electrolytic cell
02/05/2003CN1100722C Process for precipitating B and Li in bittern at same time
02/04/2003US6514311 Clean process of recovering metals from waste lithium ion batteries
01/2003
01/29/2003EP1278897A2 Protection of molten magnesium with a cover gas using fluorocarbons
01/28/2003US6511639 Lithium/transition-metal mixed oxide compounds from spent lithium batteries can be resynthesized after solvent extraction, grinding, and heat treatment
01/28/2003US6511603 Alkaline earth cation extraction from acid solution
01/22/2003EP1277700A2 Device and method for producing sodium hydride
01/16/2003US20030012717 Device for recovering sodium hydride
01/15/2003CN1390965A Flux for removing iron from Mg alloy and its preparing process
01/15/2003CN1390963A Mg alloy smelting furnace
01/08/2003EP1273013A2 A method for isolating and purifying ?90 y from ?90 strontium in multi-curie quantities
01/08/2003EP1272690A1 Electrolyte and diaphragm for fused salt electrolysis
01/08/2003CN1389585A Sodium purifying method
01/02/2003EP1270751A1 Process of purifying and remelting of contaminated light metals and light metal alloys
01/02/2003EP1269554A1 A method for recycling spent lithium metal polymer rechargeable batteries and related materials
12/2002
12/24/2002US6497850 Production of low sodium lithium carbonate and lithium chloride from a brine concentrated to about 6.0 wt % lithium are disclosed. methods and apparatus for direct recovery of technical grade lithium chloride from the concentrated brine
12/19/2002WO2002101309A1 An apparatus for the extraction of metallic magnesium
12/19/2002WO2002100577A1 Furnaces for the production of magnesium alloys
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