| 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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| 01/02/2013 | CN102851495A Technology for producing cathode copper through high-pressure oxygen leaching of copper and nickel contained melting slag |
| 01/02/2013 | CN102851486A Pyrite cinder treatment method |
| 01/02/2013 | CN102849823A Method for separating palladium from waste water by double-arm bonding-type alicyclic crownether silicon resin |
| 01/02/2013 | CN102847405A Processing method of arsenious smelting smoke |
| 01/02/2013 | CN102345016B Method for recovering arsenic and heavy metals from contaminated acid generated by metallurgical off-gas |
| 01/02/2013 | CN102162032B Method for recovering lead and silver from purification slag of zinc hydrometallurgy |
| 01/02/2013 | CN102117919B Method for recycling mercury from waste and old neutral zinc-manganese dioxide battery |
| 01/02/2013 | CN101636512B Recovery of lead in form of high purity lead carbonates from spent lead batteries incl. electrode paste |
| 12/27/2012 | WO2012175415A1 Method and system for producing a hydraulic or latent hydraulic substance |
| 12/27/2012 | US20120325055 Preparation method for stainless steel slags and steelworks slags for recovery of metal |
| 12/26/2012 | CN202626296U Recycling device of waste tin-stripping liquid |
| 12/26/2012 | CN202626273U Zinc ash recovery device |
| 12/26/2012 | CN202626267U Equipment for comprehensively recycling barium-containing waste residues produced in production process of refined aluminum |
| 12/26/2012 | CN102842743A Reuse technology for used batteries |
| 12/26/2012 | CN102839288A Low-temperature rapidly-smelting process for regenerative aluminum alloy |
| 12/26/2012 | CN102839287A Method for leaching platinum metals from automobile tail gas spent catalyst by microwave heating and melting |
| 12/26/2012 | CN102839286A Method for recycling bivalent manganese in electrolytic manganese leached residues |
| 12/26/2012 | CN102839285A Method for recovering copper from waste mine rocks |
| 12/26/2012 | CN102837379A Separation method for plastics and metal in insert pull piece of waste circuit board |
| 12/26/2012 | CN102836778A Wet type treatment process for stainless steel slag |
| 12/26/2012 | CN102286663B Method for processing copper-contained gold mud |
| 12/26/2012 | CN102251120B Desulfurization method for acid leaching process of manganese-rich slag |
| 12/26/2012 | CN102181652B Germanium leaching enrichment method for germanium-containing soot of power plant |
| 12/26/2012 | CN102041394B Process for producing refined bismuth by utilizing bismuth oxychloride |
| 12/26/2012 | CN102021347B Lead smelting process based on slag powered coal direct reduction and horizontal powered coal reduction lead smelting device |
| 12/26/2012 | CN102002593B Process for synthesizing nano-lead from waste cathode-ray tube (CRT) lead-containing glass by one-step method |
| 12/26/2012 | CN101839645B Equipment for recovering valuable metals from zinc-contained slag |
| 12/26/2012 | CN101839631B Electrothermal copper-smelting slag depleted furnace |
| 12/20/2012 | WO2012171993A1 Method for handling hard metal |
| 12/19/2012 | EP2535432A1 Method for handling hard metal |
| 12/19/2012 | EP2534272A1 Metal recovery from contaminated metal scrap |
| 12/19/2012 | CN202610301U Aluminum slag recovering machine |
| 12/19/2012 | CN102834532A Metal recovery from contaminated metal scrap |
| 12/19/2012 | CN102834490A Process for the hydroconversion of petroleum feedstocks via slurry technology allowing the recovery of metals from the catalyst and feedstock using a leaching step |
| 12/19/2012 | CN102832395A Process for recycling waste dry battery |
| 12/19/2012 | CN102828192A Resourceful treatment method for pickling waste liquor in steel industry |
| 12/19/2012 | CN102828042A Method for extracting silver from silver-containing crude tin alloy |
| 12/19/2012 | CN102828040A Method for recycling metallic aluminium in pre-melted slag of vacuum circulation degassing furnace |
| 12/19/2012 | CN102828039A Recycling method of slag of copper melting pool smelting furnace |
| 12/19/2012 | CN102828038A Method for treating converter slag of symmetrical full-slant copper melting pool smelting furnace |
| 12/19/2012 | CN102828037A Method of preparing low-silicon low-phosphorus potassium metavanadate solution from vanadium slag |
| 12/19/2012 | CN102828036A Method of preparing potassium metavanadate solution from vanadium slag |
| 12/19/2012 | CN102828035A Method for producing high-purity zinc oxide through decarbonization on electrolytic zinc acid leaching slag by adopting ammonia process |
| 12/19/2012 | CN102828034A Method for producing high-purity zinc oxide through decarbonization on low-grade zinc oxide ore by adopting ammonia process |
| 12/19/2012 | CN102828033A Method for recycling electrolytic zinc acid leaching slag |
| 12/19/2012 | CN102828032A Method for producing lithopone by utilizing electrolytic zinc acid leaching slag |
| 12/19/2012 | CN102828031A Method for separating, gathering and purifying cobalt, zinc and ferrum by heavy metal adsorption material |
| 12/19/2012 | CN102828030A Method for recycling rare earth elements in rare earth fluorescent powder waste by ultrasonic-submolten salt process |
| 12/19/2012 | CN102828029A Method for preliminarily separating valuable metals from copper anode slime |
| 12/19/2012 | CN102828028A Comprehensive treatment technology of waste aluminum ash |
| 12/19/2012 | CN102828027A Dechlorination method for indium raffinate |
| 12/19/2012 | CN102828019A Method for oxygen-enriched calcification calcination of high-grade vanadium slag |
| 12/19/2012 | CN102826776A Method for simultaneously extracting glass microbeads from fly ash and coproducing aluminum-silicon-iron alloy and white carbon black |
| 12/19/2012 | CN102826642A Method for recovering wastewater by using colloform pyrite |
| 12/19/2012 | CN102824759A Method for adsorbing lithium ions from salt lake brine through utilizing manganese oxide ion sieve adsorbent |
| 12/19/2012 | CN102181644B Method for reclaiming rare noble metals from waste circuit board |
| 12/19/2012 | CN101613801B Method for reducing metal, method for metallurgy, products and devices |
| 12/12/2012 | EP2532759A1 Method for separating metals from batteries containing lithium |
| 12/12/2012 | CN202595231U Oxidation-reduction furnace |
| 12/12/2012 | CN202595230U Oxygenation pure titanium spray kettle |
| 12/12/2012 | CN202590973U Air flotation tank for treating anode mud |
| 12/12/2012 | CN202590806U Pure titanium spray kettle |
| 12/12/2012 | CN202590685U Pulpifying trough for anode mud treatment |
| 12/12/2012 | CN102822361A Efficient method for collection of platinum-group element from copper-iron scrap |
| 12/12/2012 | CN102822355A Preparation method for stainless steel slags and steelworks slags for recovery of metal |
| 12/12/2012 | CN102820496A Method for preparing nano lead product by lead plaster of waste lead-acid storage batteries |
| 12/12/2012 | CN102816933A Treatment process method of chrome slag |
| 12/12/2012 | CN102816932A Method and device for refining manganese from recovery dust in manganese alloy smelting |
| 12/12/2012 | CN102816931A Method for recovering copper and iron from copper-containing acid wastewater and producing gypsum |
| 12/12/2012 | CN102816880A Ironmaking and aluminum extraction comprehensive utilization method of high-iron red mud |
| 12/12/2012 | CN102815828A System for recycling gold and cyanides in cleaning solution in surface treatment wet process |
| 12/12/2012 | CN102815763A Method for implementing copper-cobalt separation, enrichment and purification by using heavy metal adsorbing material |
| 12/12/2012 | CN102814164A Method for implementing copper-cobalt-zinc separation, enrichment and purification by using heavy metal adsorbing material |
| 12/12/2012 | CN102814058A Method for implementing nickel-magnesium separation, enrichment and purification by using heavy metal adsorbing material |
| 12/12/2012 | CN102115828B Method for preparing iron and aluminum and coproducing sodium sulfate from red mud produced by bayer process |
| 12/12/2012 | CN102115823B Method for preparing iron and aluminum and co-producing sodium sulfate from bayer process red mud |
| 12/12/2012 | CN101827951B Recovery of residues containing copper and other valuable metals |
| 12/06/2012 | WO2012164976A1 Method for recovering valuable metals |
| 12/06/2012 | WO2012162935A1 Method for recovering rare-earth from fluorescent powder of cathode ray tube |
| 12/05/2012 | CN202576519U Aluminum slag separation recovery unit |
| 12/05/2012 | CN102808088A Proportioning method for recycling waste residues of valuable metal through sulphur fixation treatment |
| 12/05/2012 | CN102808087A Method for extracting zinc, potassium and sodium by utilizing secondary dusts of rotary hearth furnace |
| 12/05/2012 | CN102808086A Method for preparing ultrafine tungsten oxide nanopowder by recovering waste hard alloy with hydrothermal method |
| 12/05/2012 | CN102808085A Industrial method for recycling waste wolfram carbide-cobalt (WC-Co) hard alloy |
| 12/05/2012 | CN102806339A Waste recovery device of plate casting machine |
| 12/05/2012 | CN102212702B Device and method for recovering electroplating colloidal palladium |
| 12/05/2012 | CN102154531B Method for producing artificial rutile from titanium-containing blast furnace slags |
| 12/05/2012 | CN102115890B Total recycling method of PCB (printed circuit board) nitric acid type tin-lead stripping waste liquid |
| 12/05/2012 | CN102061390B Method for directly producing high-purity electronic level cobaltous sulfate by using cobalt-containing waste |
| 12/04/2012 | US8323377 Recovery of metals from oxidised metalliferous materials |
| 11/28/2012 | EP2527477A1 Efficient method for collection of platinum-group element from copper-iron scrap |
| 11/28/2012 | CN202558903U Improved metal slag retrieving equipment |
| 11/28/2012 | CN102803525A Method for separating and recovering elements coexisting in scrap iron |
| 11/28/2012 | CN102796880A Method and equipment for extracting manganese from manganese alloy smelting slag |
| 11/28/2012 | CN102796879A Method for preparing chromium-containing iron powder by direct reduction of calcium-free chromium slag |
| 11/28/2012 | CN102796878A Method for enriching rhodium from rhodium-containing organic waste liquid |
| 11/28/2012 | CN102796877A Method for enriching rhodium from rhodium-containing organic dead catalyst |
| 11/28/2012 | CN102796876A Method for extracting scandium oxide from titanium slag chloride waste |
| 11/28/2012 | CN102796875A Zinc leaching slag treatment device and treatment process |
| 11/28/2012 | CN102796874A Technology for recovering gold and silver from electronic waste by new biological method |