| 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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| 01/08/2014 | CN103502484A Method for recovering platinum group metals from industrial waste containing platinum group metals |
| 01/08/2014 | CN103499215A Device and method for hot charging short molten slag |
| 01/08/2014 | CN103498054A Electric furnace for accommodating and carbonizing hot blast furnace slag and equipment technology thereof |
| 01/08/2014 | CN103498053A Method for separating base metals and noble metals in copper anode slime |
| 01/08/2014 | CN103498052A Method for efficiently enriching rare precious metals from complex low-grade heat filter residues |
| 01/08/2014 | CN103498051A Method for recovering copper and nickel from nickel-iron-copper alloy waste |
| 01/08/2014 | CN103498050A Chromium recovery method in electrolytic manganese chromium wastewater treatment process |
| 01/08/2014 | CN103498048A Method for removing chromium in vanadium-containing leachate, and method for preparing high-purity vanadium oxide |
| 01/08/2014 | CN103496802A Chromium and manganese recovery method in electrolytic manganese chromium wastewater treatment process |
| 01/08/2014 | CN103496801A Electrolytic manganese chromium-containing wastewater treatment and hexavalent chromium recovery method |
| 01/08/2014 | CN103496790A Method for treating wastewater containing lead through activation and modification of waste mushroom residues and recovering lead |
| 01/08/2014 | CN102851511B Method for reducing contents of zinc and copper in smelting ash acid leaching residues |
| 01/08/2014 | CN102732734B System and combustion furnace for extracting cobalt oxide through pulping and roasting alpha-nitroso-beta-naphthol cobalt slag |
| 01/08/2014 | CN102603102B Processing method of browning liquid |
| 01/07/2014 | US8623114 Copper anode refining system and method |
| 01/07/2014 | US8623113 Metal component collection agent and method for collecting metal component |
| 01/03/2014 | WO2014000501A1 Combined filtering process for recycling precious metal from fischer-tropsch synthetic product |
| 01/03/2014 | WO2014000404A1 Process for recycling rare earths in permanent magnet scrap of electronic waste |
| 01/01/2014 | EP2678456A1 Process for treating aluminium slags |
| 01/01/2014 | EP2678455A1 Process for recovering hard material particles |
| 01/01/2014 | CN203373412U Device for extracting and purifying metals from circuit boards |
| 01/01/2014 | CN103484684A No-pollution treatment method of electrolytic aluminum smelting aluminum slag |
| 01/01/2014 | CN103484683A Comprehensive utilization method of molten titanium-bearing blast furnace slag |
| 01/01/2014 | CN103484682A Method for adopting nickel or copper smelting waste slag for ferrosilicon smelting |
| 01/01/2014 | CN103484681A Waste circuit board metal recovering device based on high-frequency induction heating principle |
| 01/01/2014 | CN103484680A Method for leaching copper in waste printed circuit boards (PCBs) by mixed bacteria |
| 01/01/2014 | CN103484679A Method for recycling tin and copper from waste tinned copper needles |
| 01/01/2014 | CN103484678A Method for recovering vanadium, tungsten and titanium from waste vanadium-tungsten-titanium-based denitration catalyst |
| 01/01/2014 | CN103484677A Special apparatus for processing aluminium ash and aluminium slag |
| 01/01/2014 | CN103484669A Solvent-recyclable waste copper recovery method |
| 01/01/2014 | CN103482586A Method for recycling calcium and sulfur in heavy metal chemical gypsum |
| 01/01/2014 | CN102936661B Method for decomposing and leaching germanium and indium from lead and zinc alloy residues |
| 01/01/2014 | CN102676822B Burning-free non-cyaniding method for treating waste printed circuit board |
| 01/01/2014 | CN102303917B Method for mixed treatment of waste liquid from acid etching and micro etching of printed circuit boards |
| 12/31/2013 | US8617458 Dross cooling system and cooling method |
| 12/27/2013 | WO2013191269A1 Activated carbon for noble metal adsorption, noble metal adsorption filter, and method for recovering noble metals |
| 12/27/2013 | WO2013190116A1 Process and plant for separating heavy metals from phosphoric starting material |
| 12/25/2013 | EP2677048A1 Valuable metal recovery method |
| 12/25/2013 | EP2677047A1 Method for collection of ruthenium or ruthenium compound |
| 12/25/2013 | EP2677044A1 Valuable metal recovery method |
| 12/25/2013 | EP2016203B1 Thermal process for separating off heavy metals from ash in agglomerated form |
| 12/25/2013 | CN203360539U Regenerative aluminum smelting rotary furnace |
| 12/25/2013 | CN203360530U Separation device for aluminium residue in aluminum alloy wheel of automobile |
| 12/25/2013 | CN103476956A Method for recovering precious metal from polyketone polymerization reaction waste liquid |
| 12/25/2013 | CN103474722A Lead plaster screening and settling system realizing water circulation use |
| 12/25/2013 | CN103471401A Unit of recovering flue gas waste heat and dust in reclaimed copper refining |
| 12/25/2013 | CN103468979A Method for recycling scandium from lateritic nickel ore smelted iron aluminum slag |
| 12/25/2013 | CN103468977A Method for selectively leaching germanium and gallium from complex smelting slag with germanium and gallium or ore with germanium and gallium |
| 12/25/2013 | CN103468971A Bottom blowing or side blowing metallurgical furnace for treating scrap copper |
| 12/25/2013 | CN103468970A Lead plaster desulfurizer and desulphurization method for secondary lead industry |
| 12/25/2013 | CN103468969A Method for recycling silver and gold from waste brick of smelting furnace liner |
| 12/25/2013 | CN103468968A Method for extracting platinum and rhodium in platinum and rhodium mixed liquid |
| 12/25/2013 | CN103468967A Extraction method of platinum in high-concentration platinum solution |
| 12/25/2013 | CN103468963A Method for crystal separation of zinc and cadmium from zinciferous waste residues |
| 12/25/2013 | CN103468962A Titanium beneficiation method from titaniferous blast furnace slag |
| 12/25/2013 | CN103468961A Method for processing dust containing zinc and lead in steel plant through closed cupola furnace |
| 12/25/2013 | CN103468960A Process equipment for dedusted zinc ash and process method thereof |
| 12/25/2013 | CN103468959A Method for treating high-arsenic, high-selenium and high-tellurium anode mud through oxygen pressure |
| 12/25/2013 | CN103468958A Tailings harmless treatment method for laterite nickel ore hydrometallurgical process |
| 12/25/2013 | CN103468957A Heating device for converter for secondary lead smelting |
| 12/25/2013 | CN103468956A Method for recycling multiple elements in acid mud generated in acid making through gold smelting |
| 12/25/2013 | CN103468955A New scrap copper smelting technology |
| 12/25/2013 | CN103468954A Method for recycling valuable metals by smelting zinc kiln slag, leaching slag and lead slag |
| 12/25/2013 | CN103466821A Device for treating and recycling acid-containing wastewater of extraction raffinate in rare earth extraction process |
| 12/25/2013 | CN103466738A Method for removing ammonia nitrogen and recovering rare earth from low-concentration solution containing ammonium and rare earth |
| 12/25/2013 | CN103466683A Preparation method of high-purity electroplating-grade copper oxide |
| 12/25/2013 | CN103464276A Waste grinding material separating method |
| 12/25/2013 | CN102676833B High grade cobalt sulfonate slag and production process thereof |
| 12/25/2013 | CN102557861B Gas and liquid-phase mercury efficient recycling and hydrochloric acid fully-closed loop circulation technology of acetylene-method vinyl chloride device |
| 12/25/2013 | CN102503813B Method for recovering organic acid and cobalt-manganese metal in terephthalic acid oxidized residues |
| 12/19/2013 | WO2013186440A1 Method and arrangement for refining copper concentrate |
| 12/18/2013 | EP1561829B1 Method for reduction treatment of metal oxide or ironmaking waste, and method for concentration and/or recovery of zinc and/or lead. |
| 12/18/2013 | CN203346459U Molybdenum-removed slag recovery device |
| 12/18/2013 | CN203346453U Device for recovering aluminum chips, aluminum foil and crushed aluminum |
| 12/18/2013 | CN203346452U Device for dechlorination of zinc oxide fume through steam activation/microwave roasting |
| 12/18/2013 | CN203346447U Calcination device for extracting metals cobalt and tungsten from waste hard alloy |
| 12/18/2013 | CN103459624A Method for recovering valuable metals |
| 12/18/2013 | CN103459623A Method for recovering valuable metals |
| 12/18/2013 | CN103451711A Zero discharge treatment method of aluminum profile anodizing wastewater |
| 12/18/2013 | CN103451453A Method adopting minerals containing magnesium silicate to produce magnesium |
| 12/18/2013 | CN103451447A Method for recovering copper and cobalt from high-iron waste water treatment and residue |
| 12/18/2013 | CN103451442A Method for separating rare-earth resource from rear-earth slag by virtue of supergravity |
| 12/18/2013 | CN103451441A Method for reducing metallic aluminum from premelting slag in VD (vacuum degassing) furnace |
| 12/18/2013 | CN103451440A Method of recycling high titanium slag smelting reduction smoke dust and screened fine coal |
| 12/18/2013 | CN103451439A Treatment method of residues of zinc sulfate solution after being purified |
| 12/18/2013 | CN103451438A Method for extracting and recovering copper and selenium from copper anode sludge by microwave treatment |
| 12/18/2013 | CN103451437A Recovery and utilization method of valuable metal sludge containing copper, nickel and cobalt |
| 12/18/2013 | CN103451436A System for neutralizing treatment of demoulding waste liquor and anodic oxidation waste liquor and recovery of aluminum ions of aluminum processing plant |
| 12/18/2013 | CN103451435A Method for recovering metal silver from waste in silver pulp screen printing process |
| 12/18/2013 | CN103451434A Treatment method for dephosphorized slag in tungsten metallurgy |
| 12/18/2013 | CN103451433A Method for extracting precious metals from dead catalysts containing precious metals |
| 12/18/2013 | CN103451432A Method for extracting lead and precious metals from dead catalysts containing precious metals |
| 12/18/2013 | CN103451431A Method for extracting arsenic and precious metals from dead catalysts containing precious metals |
| 12/18/2013 | CN102828042B Method for extracting silver from silver-containing crude tin alloy |
| 12/18/2013 | CN102703711B Method for extracting rhenium from rhenium-containing waste liquor |
| 12/18/2013 | CN102618724B Method for separating and recovering heavy metals from melted garbage burning fly ash |
| 12/12/2013 | WO2013182377A1 Process for producing hardened granules from iron-containing particles |
| 12/11/2013 | CN203329414U Absorbing tower for absorbing metal substances in electrolytic tail liquid |
| 12/11/2013 | CN103443996A Recycling method and treatment device for battery pack |
| 12/11/2013 | CN103443305A Method for recovering heavy rare earth element |