| Patents for C22B 7 - Working-up raw materials other than ores, e.g. scrap, to produce non-ferrous metals or compounds thereof (11,341) |
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| 09/19/2012 | CN102676821A Iron, nickel and chromium recovery method for cathode-ray tube metal part |
| 09/19/2012 | CN102674494A Method for recovering heavy metal cadmium ions in water by using shells of apple snails |
| 09/19/2012 | CN102671636A Preparation and application of terpolymer metallic ion adsorbent |
| 09/19/2012 | CN102031375B Indium tin oxide thin film recycling method and substrate recycling method |
| 09/19/2012 | CN102002594B Method for recycling tin |
| 09/19/2012 | CN101857920B Device for recovering noble metals |
| 09/18/2012 | US8268267 Process for the extraction of specific transition metals |
| 09/18/2012 | US8268036 Process for production of ultra low phosphorous and carbon ferromanganese by using of ferromanganese slag |
| 09/18/2012 | US8267336 System and method for treating shredder residues and use of a granulate fraction thus produced |
| 09/18/2012 | CA2702715C Producing method of direct reduced iron |
| 09/13/2012 | WO2012121496A2 Method for recovering platinum group metals from industrial waste containing platinum group metals |
| 09/13/2012 | WO2012121495A2 Method for recovering precious metal from polyketone polymerization reaction waste liquid |
| 09/13/2012 | WO2012121353A1 Apparatus and method for recovering rare earth metal from rare earth magnet |
| 09/12/2012 | CN102660690A Method for recovering valuable metal from zinc hydrometallurgy high acid leach residue |
| 09/12/2012 | CN102660689A Method for comprehensively recycling leaching slag in production of electrolytic manganese metal and manganese dioxide |
| 09/12/2012 | CN102660688A Method for recovering rare earth from waste rare earth luminescent material |
| 09/12/2012 | CN102660687A Method for recycling heavy metal resources of stainless steel pickling waste water neutralization sludge |
| 09/12/2012 | CN102660686A Method for treating waste cathode ray tube (CRT) cone glass by strengthening acid leaching through mechanical activation technology |
| 09/12/2012 | CN102660685A Method for recycling waste diamond tool |
| 09/12/2012 | CN102660684A Method for purifying silver by using wastewater of silver plating production line of rhinestone and method for preparing high-purity silver nitrate |
| 09/12/2012 | CN102660683A Method for preparing barium plumbate powder by coprecipitation of copper anode mud silver separating residue of circuit board |
| 09/12/2012 | CN102127646B Method for reprocessing rare earth slag by acid composition |
| 09/12/2012 | CN102127641B Method for recovering scandium and titanium in titanium white wastewater |
| 09/12/2012 | CN102050492B Method for recovering metal from molybdenum-containing spent catalyst |
| 09/12/2012 | CN102041388B Method for recycling metal from waste catalyst containing molybdenum and nickel |
| 09/12/2012 | CN101985695B Method for processing zinc leaching residues at high proportion by using oxygen bottom blown furnace |
| 09/12/2012 | CN101580901B Method for refining zinc by using slag containing zinc |
| 09/11/2012 | US8262983 Tilting rotary furnace system and methods of aluminum recovery |
| 09/07/2012 | WO2012101398A8 Magnet recovery |
| 09/05/2012 | CN202420142U Aluminum scrap melting reverberating furnace |
| 09/05/2012 | CN202415707U Copper removal device for copper anode slime |
| 09/05/2012 | CN202415655U Tilting rotary device |
| 09/05/2012 | CN102653827A Treating process of gold electrolytic anode mud |
| 09/05/2012 | CN102653826A Device and method used for recycling magnesium alloy turning scraps |
| 09/05/2012 | CN102653825A Aluminum alloy wheel hub cutting scrap recycling and smelting process |
| 09/05/2012 | CN102653404A Method for producing cast tungsten carbide by utilizing tungsten-containing hard-face material soft waste |
| 09/05/2012 | CN102086490B Method for separating tin slag |
| 09/05/2012 | CN102071313B Method for treating tungsten-containing and molybdenum-containing slag produced in ammonium paratungstate production process |
| 09/05/2012 | CN102051487B Method for extracting lead from waste CRT (Cathode Ray Tube) glass |
| 09/05/2012 | CN102051486B Method for preparing low-phosphorus vanadium liquid by using wastewater subjected to vanadium precipitation |
| 09/05/2012 | CN102011020B Method for recovering rare earth elements from neodymium-iron-boron wastes |
| 09/05/2012 | CN101979682B Method for recycling aluminium wastes |
| 09/05/2012 | CN101942565B Regeneration and recovery method for waste red copper |
| 09/05/2012 | CN101916890B Method for recovering current collector from waste lithium ion battery |
| 09/05/2012 | CN101818252B Non-volatile method for extracting zinc, iron and indium from solution of zinc, iron and indium |
| 09/05/2012 | CN101535510B Method for collecting metal |
| 09/05/2012 | CN101197459B Solid waste recovery and processing system of waste lead acid accumulator |
| 08/30/2012 | WO2012116003A1 Hydromethanation of a carbonaceous feedstock with nickel recovery |
| 08/30/2012 | WO2012113917A1 Process for recovering hard material particles |
| 08/30/2012 | WO2012113418A1 Process for treating aluminium slags |
| 08/30/2012 | WO2012113263A1 Method for removing iron and aluminum from iron-based waste material containing high-value elements through natural oxidation |
| 08/30/2012 | DE102011000955A1 Verfahren zur Rückgewinnung von Hartstoffpartikeln A process for the recovery of hard material particles |
| 08/30/2012 | CA2827916A1 Hydromethanation of a carbonaceous feedstock with nickel recovery |
| 08/29/2012 | CN202401115U Lead dust recycling device |
| 08/29/2012 | CN102650001A Scrap copper aluminum-removal complexing agent and method for producing same |
| 08/29/2012 | CN102650000A Method for recovering bismuth and arsenic from bismuth and arsenic-containing solution |
| 08/29/2012 | CN102649999A Plasma arc melting enrichment method and plasma arc melting enrichment device for recycling metal elements of platinum group |
| 08/29/2012 | CN102649998A Method for separating and enriching copper, cadmium and zinc in copper and cadmium sediment |
| 08/29/2012 | CN102649048A Absorbent and method of collecting precious metals |
| 08/29/2012 | CN102041389B Method for producing rare earth carbonate by recycling rare earth carbonate precipitation waste liquid |
| 08/29/2012 | CN102011145B Method for recycling electrolytes and producing aluminum-silicon alloy as byproduct by using aluminum electrolysis waste mixing material |
| 08/29/2012 | CN102002598B Method for recovering copper and cobalt from cobalt-containing copper converter slag |
| 08/29/2012 | CN101994013B Copper scum smelting process |
| 08/29/2012 | CN101994012B Method for producing titanium dioxide by using titanium-containing blast furnace slag |
| 08/29/2012 | CN101956076B Brass scrap regeneration technology |
| 08/29/2012 | CN101886177B Method for recovering cadmium from waste nickel-cadmium battery |
| 08/29/2012 | CN101886174B Process for refining high-purity bismuth from bismuth-containing material generated from anode mud recovery |
| 08/29/2012 | CN101831551B Method for recovering gold, silver, bismuth, stibium and copper from lead anode mud |
| 08/29/2012 | CN101638726B Method for harmlessly treating precipitation slag of acid production wastewater by using Ausmelt copper smelting furnace |
| 08/29/2012 | CN101410538B Method for recycling steelmaking dust |
| 08/29/2012 | CN101395287B Waste material processing oven and method |
| 08/28/2012 | CA2529249C Extraction process for reactive metal oxides |
| 08/23/2012 | WO2012111693A1 Valuable metal recovery method |
| 08/23/2012 | WO2012111690A1 Valuable metal recovery method |
| 08/23/2012 | WO2012111563A1 Method for recovering platinum group elements from sic-based substance |
| 08/23/2012 | WO2012111542A1 Method for collection of ruthenium or ruthenium compound |
| 08/22/2012 | EP2064358B1 Process for recovering group vi-b metals from spent catalysts |
| 08/22/2012 | CN202390508U Aluminum slag cooling system with gas protection |
| 08/22/2012 | CN102643995A Method for separating and recovering copper from waste electronic appliances |
| 08/22/2012 | CN102643994A Waste cathode-ray tube cone glass machinery activation wet-process sulphur treatment method |
| 08/22/2012 | CN102643993A Balance control technique for efficient extraction of electro-deposited copper and impurities from complex solution |
| 08/22/2012 | CN102643992A Method for recovering rare-earth waste material |
| 08/22/2012 | CN102643991A Treatment method used before recasting common non-nickel-based ceramic alloy |
| 08/22/2012 | CN102643988A Method for leaching metallic copper from waste printed circuit board by using ionic liquid |
| 08/22/2012 | CN102641776A Method for recovering lead in secondary fly ash by iron slurry |
| 08/22/2012 | CN102127642B Method for enriching rare-earth elements from red mud |
| 08/22/2012 | CN102011006B Method for performing vacuum separation and purification on coating-containing zinc alloy |
| 08/16/2012 | WO2012108522A1 Method for recovering pgm from member to be processed that contains pgm |
| 08/16/2012 | WO2012088212A3 Protective system and chemical agents for leaching polycrystalline diamond elements and for recovery of leached materials |
| 08/16/2012 | WO2012065191A3 Method for recovering molybdenum, vanadium, nickel, cobalt and aluminum from spent catalysts |
| 08/15/2012 | EP2486161A1 Hydrometalurgical process and apparatus for recovering metals from waste material |
| 08/15/2012 | EP2331717B1 Method for recycling of slag from copper production |
| 08/15/2012 | CN202380061U Secondary aluminium recovery device |
| 08/15/2012 | CN102639727A High efficiency right angle gearbox |
| 08/15/2012 | CN102634678A Method for recycling cobalt ions from heavy metal ion wastewater |
| 08/15/2012 | CN102634673A Method for deeply removing iron ions from chromium-containing waste residue pickle liquor |
| 08/15/2012 | CN102634672A Method for treating arsenic-containing waste copper slag |
| 08/15/2012 | CN102634671A Device for continuously recovering metallic sodium from sodium slag |
| 08/15/2012 | CN102634670A Treating method for wastes in tungsten molybdenum complexing extraction technology |
| 08/15/2012 | CN102634669A Method for preparing high-purity tantalum ingot by utilizing waste tantalum block |