| Patents for C22B 13 - Obtaining lead (1,881) |
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| 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 | CN101985695B Method for processing zinc leaching residues at high proportion by using oxygen bottom blown furnace |
| 09/05/2012 | CN202415653U Smelting device containing antimony, zinc and lead concentrates |
| 09/05/2012 | CN102051487B Method for extracting lead from waste CRT (Cathode Ray Tube) glass |
| 09/05/2012 | CN101757869B Water-cooling type agitator |
| 09/05/2012 | CN101197459B Solid waste recovery and processing system of waste lead acid accumulator |
| 08/29/2012 | CN202401115U Lead dust recycling device |
| 08/29/2012 | CN101638726B Method for harmlessly treating precipitation slag of acid production wastewater by using Ausmelt copper smelting furnace |
| 08/22/2012 | CN102643996A Method for producing lead bullion by means of copper dross side-blown smelting |
| 08/22/2012 | CN102643994A Waste cathode-ray tube cone glass machinery activation wet-process sulphur treatment method |
| 08/22/2012 | CN102641776A Method for recovering lead in secondary fly ash by iron slurry |
| 08/15/2012 | CN102634674A Oxygen bottom-blowing smelting and liquid-state high-lead slag side-blowing direct reduction process |
| 08/15/2012 | CN102634663A Enrichment and separation technology of low-grade material containing silver, lead, copper and bismuth |
| 08/15/2012 | CN102634653A Side-blowing material-smelting production method |
| 08/15/2012 | CN101994007B Method for removing sulfur from waste lead-acid storage battery gypsum mud by using magnesium chloride |
| 08/08/2012 | EP2484786A1 Method for producing briquettes, method for producing reduced metal, and method for separating zinc or lead |
| 08/08/2012 | CN102628108A Method for separating lead and antimony of jamesonite |
| 08/08/2012 | CN102628106A Technology for recycling manganese and lead from electrolytic manganese anode slag |
| 08/08/2012 | CN102628103A Method for enriching valuable metal from mine tailing and smelting slag by fire method |
| 08/08/2012 | CN101573461B Lead recycling |
| 08/01/2012 | CN202359181U Oxygen lance water cooling device for bottom blowing lead smelting furnace |
| 08/01/2012 | CN102618730A Process for separating materials containing indium, lead, silver, copper and bismuth |
| 08/01/2012 | CN102618729A Smelting method and device for molten oxidized lead slag |
| 08/01/2012 | CN102618725A Method for extracting amphoteric heavy metal by adopting incineration fly ash as low-grade heavy metal |
| 07/26/2012 | US20120186397 Reclaiming of lead in form of high purity lead compound from recovered electrode paste slime of dismissed lead batteries and/or of lead minerals |
| 07/26/2012 | US20120186395 Method for producing briquettes, method for producing reduced metal, and method for separating zinc or lead |
| 07/25/2012 | CN101886176B Method for reducing, chloridizing, oxidizing and recovering iron, tin, lead and zinc in waste magnetic separation dreg in rotary kiln without pelletizing |
| 07/25/2012 | CN101864522B Clean metallurgical method for low-temperature molten salt of lead |
| 07/24/2012 | US8227022 Method of forming aqueous-based dispersions of metal nanoparticles |
| 07/18/2012 | CN102597278A Selective leach recovery of minerals from composite ores |
| 07/18/2012 | CN102586615A Method for efficiently enriching valued metals from complicated sulfur- and lead-containing waste residue |
| 07/18/2012 | CN102586611A Method for recovering lead, antimony, zinc, tin and indium from lead-antimony grain slag with electric furnace through temperature control by stages |
| 07/18/2012 | CN102586604A Technology for wet-processing anode mud containing arsenic and lead |
| 07/18/2012 | CN102586599A Method for recovering valued metals from zinc anode sludge |
| 07/18/2012 | CN102031376B Lead recycling method from waste lead core delay element |
| 07/18/2012 | CN101565780B Smelting method of polymetallic lead-zinc sulfide ore |
| 07/12/2012 | US20120175307 Multi-layered macromolecules and methods for their use |
| 07/11/2012 | CN102576918A Reclaiming of lead in form of high purity lead compound from recovered electrode paste slime of dismissed lead batteries and/or of lead minerals |
| 07/11/2012 | CN102560124A Treatment method for harmless reclamation of solid waste of heavy metal |
| 07/11/2012 | CN102560122A Method for recovering lead |
| 07/11/2012 | CN102560119A Treating equipment and process of waste lead-acid accumulator |
| 07/11/2012 | CN102560118A Method for recycling tin and lead from waste circuit board leach liquor |
| 07/11/2012 | CN102560108A Method for leaching lead sulfide concentrate by using hydrochloric acid-oxygen-magnesium chloride system |
| 07/10/2012 | CA2528139C Recovery of non-ferrous metals from zinc residues |
| 07/04/2012 | CN202297742U 一种带喷吹熔融液态含铅锌渣直接还原熔炼的装置 Device with a liquid jet of molten slag containing lead and zinc smelting reduction of direct |
| 07/04/2012 | CN202297739U 铅精炼碱渣一步法分离铅、锑渣和碱液的装置 Alkali-step separation of lead refining of lead, antimony slag and lye device |
| 07/04/2012 | CN202297738U 含铅烟道灰中铅的高效节能分离提取制备装置 Energy efficient separation of lead in lead extraction flue ash preparation device |
| 07/04/2012 | CN102534220A Closed circulating and recycling method of waste lead-acid accumulator |
| 07/04/2012 | CN102534205A Method for processing lead-zinc mixed concentrate by using oxidative pressure acid leaching in zinc hydrometallurgy |
| 07/04/2012 | CN102061389B Method for recycling arsenium and enriching heavy metals in arsenium-containing metallurgical sludge |
| 07/04/2012 | CN101871725B Horizontal bottom blowing type molten pool desulphurizing furnace and oxidative desulphurization method for leaded materials |
| 07/04/2012 | CN101838741B Lead skim reducing process |
| 07/04/2012 | CN101723713B Overall treatment method of steel works sintering dust |
| 07/03/2012 | US8211207 Process for refining lead bullion |
| 06/27/2012 | CN102517449A Comprehensive recycling technique of valuable elements in smelting soot |
| 06/27/2012 | CN101979685B Iron-matte separation process for one-step lead smelting through reduced formation of matte |
| 06/27/2012 | CN101935766B Method and device for smelting jamesonite by bottom-blowing pool |
| 06/20/2012 | CN202279849U 铅双室圆形反射炉 Lead dual-chamber circular reflector oven |
| 06/20/2012 | CN202279848U 一种具有炉缸结构的烟化炉 Having a fuming furnace hearth structure |
| 06/20/2012 | CN202279847U 一种铅渣回收机构 One kind of lead slag recovery mechanism |
| 06/20/2012 | CN102510906A Method for producing briquettes, method for producing reduced metal, and method for separating zinc or lead |
| 06/20/2012 | CN102505077A Method for recovering valuable elements from cyanide tailings |
| 06/20/2012 | CN101880774B Process for removing copper slag and producing crude lead and lead copper matte by adopting melting treatment in bottom-blowing melting bath and device thereof |
| 06/13/2012 | CN202272938U 铅锌回收器 Lead and zinc recycler |
| 06/13/2012 | CN102492855A Method for recovering valuable metal from solid waste material containing zinc |
| 06/06/2012 | EP2460220A1 Reclaiming of lead in form of high purity lead compound from recovered electrode paste slime of dismissed lead batteries and/or of lead minerals |
| 06/06/2012 | EP2459761A2 Process for refining lead bullion |
| 06/06/2012 | CN101831553B Method for green recovery of waste circuit boards by cyanide-free full-wet whole set process |
| 05/30/2012 | CN202246807U Oxygen enrichment side-blown dual-zone smelting furnace |
| 05/30/2012 | CN202246806U Combined sealing negative pressure afterheat utilization lead smelting furnace |
| 05/24/2012 | WO2012065327A1 Continuous lead smelting device and continuous lead smelting method |
| 05/23/2012 | EP2455500A1 Process of treating end-of-life cathode ray tubes for lead and soluble silicates recovery |
| 05/23/2012 | CN202226898U Lead-containing material smelting device |
| 05/23/2012 | CN101886183B Lead smelting device and lead smelting method employing same |
| 05/23/2012 | CN101760757B Method for producing lead by executing electrolysis and alkaline leaching on lead sulfate material |
| 05/09/2012 | CN202212132U Agitating device for detinning from crude lead |
| 05/02/2012 | CN102433448A Smelting method of lead concentrate containing antimony and zinc |
| 05/02/2012 | CN102433445A Technology for transforming lead silver chlorine salt system into carbonate system |
| 05/02/2012 | CN102430482A Method for comprehensively recycling copper, gold and silver from liquid obtained after copper separation of tailings subjected to cyaniding for gold extraction |
| 04/25/2012 | EP2106454B1 Apparatus and process for the treatment of crude lead |
| 04/25/2012 | CN101818261B 一种采用铁粉脱除粗铅中锡的方法 One kind of iron removal using crude methods of lead in tin |
| 04/25/2012 | CN101818260B 一种采用硫磺脱除粗铅中锡的方法 One kind of sulfur removal using crude methods of lead in tin |
| 04/18/2012 | CN202195692U 富氧侧吹连续烟化炉 Side-blown continuously enriched fuming furnace |
| 04/18/2012 | CN102417989A 一种从回收废旧含铅玻璃中提取金属铅的方法 A method of extracting leaded glass from recycled scrap metal lead |
| 04/18/2012 | CN102417988A 一种综合利用铋熔炼产出的铜锍、炉渣的工艺 One kind of output utilization of bismuth copper matte smelting slag process |
| 04/11/2012 | CN102409180A Metallurgical process for recovering metal copper, lead, zinc and tin from copper refining waste slag |
| 04/04/2012 | CN102399995A 一种锌渣挥发窑提取氧化锌铅的方法 A method of extracting zinc dross Kiln lead oxide |
| 03/28/2012 | CN102392138A Technological method for comprehensively recovering valued metal such as indium and germanium from lead-zinc smoke |
| 03/28/2012 | CN102392130A Method for recovering lead and tin from zinc leaching residues |
| 03/21/2012 | CN102382990A Method of flotation and direct reduction of comprehensively recovered lead, zinc and ferrum in oxidized lead-zinc ore |
| 03/14/2012 | CN102374781A Direct lead-smelting comprehensive metallurgical device and smelting process |
| 03/01/2012 | WO2011139603A3 Method for reclaiming lead |
| 02/29/2012 | CN202152363U 富氧侧吹还原熔池熔炼炉 Oxygen side-blown bath smelting reduction furnace |
| 02/29/2012 | CN102363841A Water cooling device for oxygen lance of bottom blowing lead smelting furnace |
| 02/29/2012 | CN102363839A Process for recovering silver, lead and bismuth from silver-bearing soot comprehensively |
| 02/29/2012 | CN101948960B Method for recovering lead from iron-containing lead smelting slag |
| 02/22/2012 | CN101643853B 从锡烟尘中提取铟及回收有价金属的方法 Indium extraction and recovery of valuable metals from tin Dust method |
| 02/15/2012 | CN102352443A Method for producing zinc sulfate heptahydrate, crude tin and crude lead by using tin smelting dust |
| 02/15/2012 | CN102352442A Waste lead acid storage battery lead paste desulfurization method |
| 02/08/2012 | CN102345011A Method for producing lead agglomerate by carrying out microwave heating on lead carbonate ore |