| Patents for C22B 13 - Obtaining lead (1,881) |
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| 02/08/2012 | CN101560606B 一种贵铅物料真空蒸馏脱铅的方法 One kind of material you lead off the lead vacuum distillation method |
| 02/01/2012 | CN102337416A Lead-containing material smelting method and device |
| 02/01/2012 | CN102337391A Process method for recovering indium, germanium and other valuable metals from indium concentrate |
| 01/31/2012 | US8105416 Method for reclaiming lead |
| 01/25/2012 | CN102329963A Device for high-efficiency and energy-saving separation, extraction and preparation of lead in lead-containing flue dust |
| 01/25/2012 | CN101512024B Lead slag reduction |
| 01/19/2012 | WO2012008453A1 Rotary kiln and metal recovery method |
| 01/18/2012 | CN202116625U Lead removing device for resin in nickel chloride liquor |
| 01/18/2012 | CN102321808A Oxygen-enriched side-blown dual-area smelting furnace |
| 01/18/2012 | CN102321806A Smelting method for processing zinc leaching residue by oxygen-enriched side-blowing furnace |
| 01/18/2012 | CN102321804A Wet separation technology for material containing lead, bismuth and molybdenum |
| 01/12/2012 | US20120006157 Method for melting a solid charge |
| 01/11/2012 | CN102312103A Direct reduction melting method of molten liquid lead contained slag |
| 01/11/2012 | CN102312101A Extractant for treating heavy metals in fly ash and method for extracting heavy metals with the extractant |
| 01/11/2012 | CN102312100A Lead zinc recovering device |
| 01/04/2012 | CN102306856A Method for recycling waste lead storage battery |
| 01/04/2012 | CN102304623A Method and equipment for reducing impoverishment of copper converting slag |
| 12/21/2011 | CN202081153U 有色金属回收的反应装置 Non-ferrous metal recycling reactor |
| 12/14/2011 | CN101838736B 湿法炼锌系统净液钴渣中有价金属的湿法分离方法 Hydrometallurgy system net liquid cobalt residue in the wet separation of valuable metals |
| 12/07/2011 | CN202061514U 一种铅精炼烟气预处理装置 One kind of lead refining flue gas pretreatment unit |
| 12/07/2011 | CN102268557A 硫化铅精矿一步氧化熔炼、还原熔炼及炉渣烟化挥发方法 Lead sulfide concentrate smelting step oxidation, reduction and smelting slag fuming volatile method |
| 12/07/2011 | CN101760620B 方铅矿湿法浸出液的净化除杂方法 Impurity method galena wet leachate |
| 12/01/2011 | WO2011147151A1 Method for non-cyanide recycling waste circuit board |
| 11/23/2011 | EP2387624A2 Metal recovery process |
| 11/23/2011 | CN101914681B Pollution-free method for treating copper, lead and silver-containing material |
| 11/16/2011 | CN102242282A Alkaline reduction smelting method for vanadium polymetallic ore |
| 11/16/2011 | CN102242269A Method for selectively recovering lead from pregnant solution containing cyanides and heavy metals |
| 11/10/2011 | WO2011139603A2 Method for reclaiming lead |
| 11/03/2011 | WO2011135991A1 Valuable metal recovery method |
| 11/03/2011 | WO2011135184A1 Method for recovering valuable metals |
| 11/03/2011 | CA2795397A1 Method for recovering valuable metals |
| 11/02/2011 | CN102230090A Lead-zinc integrated smelting furnace, and method for recovering lead and zinc |
| 10/27/2011 | WO2011132705A1 Treatment agent and treatment method for contaminated water containing heavy metals |
| 10/26/2011 | CN101928841B Preparation process of hyperpure lead |
| 10/25/2011 | US8043408 Direct smelting of zinc bearing compounds to produce metallic zinc |
| 10/05/2011 | CN102206750A Method for recovering lead from lead-containing material by matching leaching-electrowinning method |
| 10/05/2011 | CN101709373B Method and system for treating lead-zinc sulfide ores |
| 09/28/2011 | CN201990713U 一种熔炼铅酸电池及含铅废料的电炉 A lead-acid batteries and lead-smelting furnace waste |
| 09/28/2011 | CN102199707A Method for recycling and harmless treating of waste electronic glass |
| 09/21/2011 | EP1565585B1 Process for extracting zinc |
| 09/21/2011 | CN102191386A Reaction device of non-ferrous metal recycling |
| 09/21/2011 | CN102191383A Treatment method for waste printed circuit board |
| 09/21/2011 | CN101812594B Method for simultaneously smelting hydrolysis slag, pyrite and zinc kiln slag by using blast furnace |
| 09/21/2011 | CN101705372B Process for extracting tin from wet lead with high tin content |
| 09/14/2011 | CN102181644A Method for reclaiming rare noble metals from waste circuit board |
| 08/31/2011 | CN201952472U 一种用于回收铅玻璃的还原炉 A method for recycling lead glass reduction furnace |
| 08/31/2011 | CN102168176A Comprehensive recycling process for valuable metal roasting-cyaniding gold-containing tailing |
| 08/24/2011 | CN201942727U 分体组合式铅直接熔炼设备 Split combined lead direct smelting plant |
| 08/24/2011 | CN102162035A Vacuum distillation process for extracting silver from silver zinc slag |
| 08/24/2011 | CN102162032A Method for recovering lead and silver from purification slag of zinc hydrometallurgy |
| 08/17/2011 | CN102154555A Blast furnace reduction matte smelting method and device for cleanly treating lead scraps |
| 08/10/2011 | CN102146519A New process for smelting lead by sintering-free desulphurization and coke-free reduction and dual-chamber lead smelting furnace device |
| 08/10/2011 | CN101787440B Method for wet processing of high antimony-lead anode mud |
| 07/27/2011 | CN201909528U Smelting furnace using circulatory waste heat of regenerated lead |
| 07/20/2011 | CN201901695U Continuous lead smelting device |
| 07/20/2011 | CN101768668B Method for comprehensive recovery of lead and tin from alkaline refining slag of lead |
| 07/20/2011 | CN101321880B Method and apparatus for lead smelting |
| 07/13/2011 | EP2118954B1 Device and method for processing uncrushed lead storage batteries at an improved rate |
| 07/06/2011 | CN102115890A Total recycling method of PCB (printed circuit board) nitric acid type tin-lead stripping waste liquid |
| 07/06/2011 | CN102115825A Method for preparing chromium hydroxide, lead chloride and nitrate by utilizing antidotal chromium residues |
| 06/30/2011 | US20110154950 Burner and Method for Processing Oxidizable Materials |
| 06/29/2011 | CN102108443A Method for recycling lead in lead accumulator |
| 06/22/2011 | CN201876152U Control device for reducing-matting one-step lead-smelting blast furnace fan |
| 06/22/2011 | CN102102152A Method for smelting lead by reducing lead-rich slags |
| 06/15/2011 | CN201864765U Integrated device used for lead melting pan decopperization refining |
| 06/15/2011 | CN101508017B Releasing agent of slag caster |
| 06/14/2011 | CA2431480C Method and apparatus for feeding solid material and oxidizing gas into suspension smelting furnace |
| 06/08/2011 | CN102089448A Briquette manufacturing method, reductive metal manufacturing method, and zinc or lead separation method |
| 06/08/2011 | CN101798639B Method for recovering indium from indium-containing neutralized dregs directly leached from zinc concentrate |
| 06/01/2011 | CN201850296U Residual electrode plate conveying and adding machine set |
| 06/01/2011 | CN102080158A Pyrogenic attack comprehensive recovery process for lead and silver slag leached from bismuth oxide slag |
| 06/01/2011 | CN101665875B Tin-lead recovery method in waste circuit board |
| 05/24/2011 | US7947107 Direct reduction apparatus and process |
| 05/19/2011 | US20110113926 Method of reduction treatment of metal oxides or steelmaking waste and method of concentrating and recovering zinc and/or lead |
| 05/18/2011 | CN102061395A Smelting and separating method of noble lead |
| 05/18/2011 | CN102061389A Method for recycling arsenium and enriching heavy metals in arsenium-containing metallurgical sludge |
| 05/11/2011 | CN102051487A Method for extracting lead from waste CRT (Cathode Ray Tube) glass |
| 05/11/2011 | CN102051472A Method for treating enrichment set in poor pin and extracting tin and other color metals |
| 05/11/2011 | CN101643857B Comprehensive recovery method of complex polymetal sulphide ore containing copper, lead and zinc |
| 05/04/2011 | CN102043412A Control method for supplying fuel oil and oxygen in smelting system |
| 05/04/2011 | CN101768670B Method for smelting lead-containing material |
| 04/28/2011 | WO2011014716A3 Process for refining lead bullion |
| 04/27/2011 | CN102031393A Continuous lead smelting clean production process |
| 04/27/2011 | CN102031392A Control device of lead-smelting blast furnace fan capable of reducing and making sulphonium in one step |
| 04/27/2011 | CN102031381A Process for preparing sodium pyroantimonate from arsenic- and stibium-containing smoke ash |
| 04/27/2011 | CN102031376A Waste lead core delay element recycling method |
| 04/20/2011 | CN1891841B Regenerative lead processing method and apparatus |
| 04/20/2011 | CN102021347A Lead smelting process based on slag powered coal direct reduction and horizontal powered coal reduction lead smelting device |
| 04/20/2011 | CN101440433B Molten lead inductor |
| 04/14/2011 | US20110083970 Process for producing metallic lead starting from desulfurized pastel |
| 04/13/2011 | CN201793691U Equipment of reducing and matteing one-step type lead-smelting system |
| 04/13/2011 | CN102011015A Method for removing arsenic, antimony and copper by refining raw lead |
| 04/13/2011 | CN102011014A Continuous lead-smelting device and continuous lead-smelting process |
| 04/13/2011 | CN102011012A Method for preparing lead ingots, zinc powder and mixed iron slag from waste residues in lithopone production |
| 04/07/2011 | WO2011040344A1 Method for producing briquettes, method for producing reduced metal, and method for separating zinc or lead |
| 04/07/2011 | US20110079109 Method Of Operating A Converter And Apparatus For Carrying Out The Method |
| 04/07/2011 | CA2773237A1 Method for producing briquettes, method for producing reduced metal, and method for separating zinc or lead |
| 04/06/2011 | CN201785464U Integrated metallurgical device for direct lead smelting |
| 04/06/2011 | CN102002602A Method for increasing recovery rates of lead and zinc during lead-zinc sulfide ore dressing-smelting joint application |
| 04/06/2011 | CN102002593A Process for synthesizing nano-lead from waste cathode-ray tube (CRT) lead-containing glass by one-step method |