| Patents for C22B 21 - Obtaining aluminium (4,001) |
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| 10/19/2011 | CN102220487A Method for extracting vanadium and aluminum from vanadium-containing stone coal and clay vanadium ore |
| 10/13/2011 | WO2011127402A1 Ultrasonic degassing of molten metals |
| 10/12/2011 | EP2375206A1 Non-ferrous metal melt pump and melting furnace system using the same |
| 10/12/2011 | CN102212703A Impellar for dispersing gas into molten metal |
| 10/12/2011 | CN102212694A Method for extracting valuable metal from waste hydrogenation catalyst |
| 10/12/2011 | CN102212693A Process for preparing silver nitrate and aluminum nitrate nonahydrate from waste silver catalyst of ethylene oxidation method |
| 10/06/2011 | WO2011121367A1 Improvements in and relating to dross handling methods and apparatus |
| 10/05/2011 | CN102206779A Formula of rods and bars of aluminum alloy and processing technology thereof |
| 10/05/2011 | CN102206749A Normal-pressure leaching method for simultaneously processing laterites with high iron content and high magnesium content |
| 10/05/2011 | CN102206359A Successive separation method of aluminum-plastic composite packaging materials and device thereof |
| 09/29/2011 | WO2011035187A3 Selective-cation-removal purification of aluminum source |
| 09/27/2011 | US8025712 In-line salt refining of molten aluminium alloys |
| 09/21/2011 | EP2366037A1 Decarbonization process for carbothermically produced aluminum |
| 09/21/2011 | EP2142677B1 Reactor for separating aluminium from multi-layer film materials |
| 09/21/2011 | CN102191392A Preparation method of solar energy power generation heat-preserving material such as Al-Si alloy in which percentage of Si is 12.07 |
| 09/21/2011 | CN102191382A Method for recovering cobalt, aluminum and copper from waste mobile phone batteries |
| 09/20/2011 | CA2502498C Treatment of smelting by-products |
| 09/15/2011 | WO2011111525A1 Method for melting recovered printing plates and method for recycling |
| 09/15/2011 | WO2011111407A1 Method for wastewater treatment for wastewater containing aluminum, magnesium and manganese |
| 09/15/2011 | WO2011110590A1 Heat recovery system for pyrometallurgical vessel using thermoelectric/thermomagnetic devices |
| 09/15/2011 | WO2011110299A1 Apparatus for melting down aluminium particles |
| 09/15/2011 | WO2011098750A8 Metal recovery from contaminated metal scrap |
| 09/15/2011 | DE102010010803A1 Vorrichtung zum Einschmelzen von Aluminiumteilchen Apparatus for melting aluminum particles |
| 09/15/2011 | CA2792400A1 Method for wastewater treatment for wastewater containing aluminium, magnesium, and manganese |
| 09/14/2011 | EP2364375A1 Method and system for recovering metals and metal alloys from scrap materials |
| 09/14/2011 | CN201971880U 一种在线净化除气装置 In addition to an on-line gas purification device |
| 09/14/2011 | CN201971879U 一种废旧牙膏铝塑包装材料回收铝净化除杂生产装置 One kind of waste plastic packaging materials recycling aluminum toothpaste impurity purification plant |
| 09/14/2011 | CN102181658A Device and method for removing impurities in aluminum melt |
| 09/14/2011 | CN102181657A Aluminum-magnesium alloy slag removing agent, method for producing aluminum-magnesium alloy ingot and aluminum-magnesium alloy ingot |
| 09/14/2011 | CN102181644A Method for reclaiming rare noble metals from waste circuit board |
| 09/07/2011 | CN201962336U 除气装置 Degasser |
| 09/07/2011 | CN201962332U 铝渣分离回收机构 Aluminum slag separation and recovery mechanism |
| 09/07/2011 | CN101831567B Preparation method of large-size aluminum alloy ingot |
| 09/07/2011 | CN101260481B Method for producing high-purity lead |
| 08/31/2011 | CN201952473U 铝屑铝片回收生产铝锭炉 Production of aluminum scrap recycling aluminum sheet ingot furnace |
| 08/24/2011 | CN201945199U 铝灰搅拌机 Aluminum ash mixer |
| 08/24/2011 | CN201942728U 铝合金熔体连续净化装置 Aluminum Melt continuous purification device |
| 08/24/2011 | CN102162034A Process for recovering valuable metals from waste lithium batteries |
| 08/24/2011 | CN102162029A Microbiological oxidation and reduction coupling leaching method for valuable metal in manganese oxide ore |
| 08/23/2011 | US8002872 Methods of recovering and purifying secondary aluminum |
| 08/18/2011 | WO2011098750A1 Aluminium recovery from coated aluminium scrap material |
| 08/18/2011 | CA2789519A1 Aluminium recovery from coated aluminium scrap material |
| 08/17/2011 | EP2356264A1 Metal melting apparatus |
| 08/17/2011 | CN201933132U 除尘消烟冶铝设备 Smoke and dust aluminum smelting equipment |
| 08/17/2011 | CN201933130U 铝合金熔体在线除气过滤装置 Online degassing aluminum melt filtration device |
| 08/17/2011 | CN201933129U Thick-channel aluminum scraps recovery device |
| 08/17/2011 | CN102159734A Sidewall and bottom electrode arrangement for electrical smelting reactors and method for feeding such electrodes |
| 08/11/2011 | WO2011096170A1 Method for purifying aluminum and apparatus therefor |
| 08/04/2011 | US20110185850 Modifying flux for molten aluminium |
| 08/03/2011 | CN201915134U Degassing type heat-preserving furnace |
| 08/03/2011 | CN102139356A Device for purifying and stirring non-ferrous metal liquid |
| 08/02/2011 | US7988763 Use of a binary salt flux of NaCl and MgCl2 for the purification of aluminium or aluminium alloys, and method thereof |
| 08/02/2011 | CA2711216C Filter bag for bayer liquor filtration |
| 07/27/2011 | EP1912896B1 Carbothermic processes |
| 07/27/2011 | CN102134646A Method for directly preparing metallic iron and aluminum concentrate by using aluminum high-iron red mud as raw materials |
| 07/27/2011 | CN101775464B Micro carbon micro phosphorus aluminum manganese iron alloy as well as production method thereof |
| 07/20/2011 | CN201901694U Movable purifying and stirring device for nonferrous metal liquid |
| 07/20/2011 | CN201901693U Novel online degassing filter equipment |
| 07/20/2011 | CN102127651A Strontium salt modifier |
| 07/20/2011 | CN102127649A Slag and aluminum separating flux |
| 07/20/2011 | CN102127648A Nuisanceless powder injection refining flux |
| 07/20/2011 | CN102127647A Multifunctional demagging agent |
| 07/07/2011 | US20110165332 Carbothermic processes |
| 07/06/2011 | CN102115828A Method for preparing iron and aluminum and coproducing sodium sulfate from red mud produced by bayer process |
| 07/06/2011 | CN102115825A Method for preparing chromium hydroxide, lead chloride and nitrate by utilizing antidotal chromium residues |
| 07/06/2011 | CN102115824A Method for preparing chromium hydroxide, silver chloride and nitrate from detoxicated chromium slag |
| 07/06/2011 | CN102115816A Comprehensive utilization method for laterite-nickel ore |
| 07/06/2011 | CN102115813A Comprehensive utilization method for low-grade magnesite |
| 06/30/2011 | US20110158868 Improvement to the bayer process for producing alumina trihydrate, said process comprising a step in which the supersaturated liquor is filtered at high temperature before decomposition |
| 06/30/2011 | US20110154953 Method for making aluminum-based composite material |
| 06/30/2011 | US20110154950 Burner and Method for Processing Oxidizable Materials |
| 06/29/2011 | CN201883133U Liquid aluminum purification device |
| 06/29/2011 | CN201883129U Overturning device |
| 06/28/2011 | CA2519784C Method for generating pollution credits while processing reactive metals |
| 06/22/2011 | EP2334832A1 Sidewall and bottom electrode arrangement for electrical smelting reactors and method for feeding such electrodes |
| 06/22/2011 | CN201873731U Novel actuating mechanism of hot aluminum slag press |
| 06/22/2011 | CN201873730U Novel automatic aluminum slag-raking machine |
| 06/22/2011 | CN201873729U Novel slag pan of hot aluminum slag press |
| 06/22/2011 | CN201873728U Aluminum cast-rolling coil degassing box |
| 06/22/2011 | CN201873727U Aluminum alloy vacuum lifting degassing device |
| 06/22/2011 | CN102105609A Improved method for filtering molten aluminum and molten aluminum alloys |
| 06/22/2011 | CN101838764B Scandium and strontium compound microalloyed high zinc 2099 type aluminium alloy and preparation method thereof |
| 06/15/2011 | EP2331718A1 Electroslag melting method for reprocessing of aluminium slag |
| 06/15/2011 | CN201864764U Graphite rotor used in aluminum liquid degasser |
| 06/15/2011 | CN102094121A Method for preparing sulphate slag into metallic aluminum and rare metals by roasting |
| 06/15/2011 | CN101696849B Novel joint flow slot device |
| 06/08/2011 | CN102086489A Flame retardant method for aluminium alloy melting |
| 06/08/2011 | CN101570372B Method for purifying electroplating wastewater and comprehensively utilizing resources |
| 05/25/2011 | CN201842878U Filtering device |
| 05/25/2011 | CN201842877U Aluminum dross resmelting device with housing |
| 05/25/2011 | CN201842876U Aluminum ash refining device |
| 05/18/2011 | CN201834959U Degassing furnace device for casting and rolling machine |
| 05/18/2011 | CN102066591A Carbothermic processes |
| 05/12/2011 | WO2011055402A1 Completely modular plant for melting and casting aluminium from scrap material |
| 05/11/2011 | CN201825997U Rotary degassing machine |
| 05/11/2011 | CN201825995U Ash frying device for waste residues after smelting of aluminum scraps |
| 05/11/2011 | CN102051485A Aluminum ash re-smelting device and use method thereof |
| 05/11/2011 | CN101892379B Magnesium alloy melt stirring device |
| 05/11/2011 | CN101696472B Purification method of ultra-pure aluminum |
| 05/11/2011 | CN101568397B Degassing apparatus |