| Patents for C22B 13 - Obtaining lead (1,881) |
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| 11/20/2013 | CN103397198A Oxygen-rich reduction furnace for processing low-grade multi-metal material |
| 11/20/2013 | CN103397191A Method for comprehensively efficiently processing lead anode slime by using top-blown converter |
| 11/19/2013 | US8585797 Method for preparing nanocrystalline germanium in GeO2 and freestanding germanium nanoparticles |
| 11/13/2013 | CN103388081A Bath smelting method and apparatus of zinc sulfide concentrate and lead-zinc containing materials |
| 11/13/2013 | CN103388079A Method for treating lead sulfate slag by using oxygen-enriched top-blowing furnace |
| 11/13/2013 | CN103388074A Method for treating spent tin stripping solution of waste circuit board |
| 11/13/2013 | CN101839625B Lead skim reducing furnace |
| 11/06/2013 | CN103382527A Flash smelting method and device for zinc sulfide concentrates and materials containing lead and zinc |
| 11/06/2013 | CN103382526A Direct lead-smelting reducing furnace gas-injection method and device thereof |
| 11/06/2013 | CN102634653B Side-blowing material-smelting production method |
| 11/06/2013 | CN102618730B Process for separating materials containing indium, lead, silver, copper and bismuth |
| 10/30/2013 | CN103374660A Method for recycling lead from waste cathode-ray tube glass |
| 10/30/2013 | CN103374659A Method for extracting and recovering precious metal and rare metal from wastes |
| 10/30/2013 | CN102776376B Method for recovering valuable metal from waste residue containing lead and zinc through wet-fire combination process |
| 10/30/2013 | CN102690946B Method for comprehensively extracting valuable metals from tellurium-containing polymetallic materials |
| 10/29/2013 | US8568670 Process for producing basic lead carbonate |
| 10/23/2013 | CN103361491A Liquid-state high-lead slag side-blowing water-gas reduction process |
| 10/23/2013 | CN103361490A Manufacturing method of electric lead |
| 10/22/2013 | US8562923 Process for obtaining pure litharge from lead acid battery paste |
| 10/16/2013 | CN102660683B Method for preparing barium plumbate powder by coprecipitation of copper anode mud silver separating residue of circuit board |
| 10/15/2013 | US8557174 Process and apparatus for recovery of non-ferrous metals from zinc residues |
| 10/09/2013 | CN102618729B Smelting method and device for molten oxidized lead slag |
| 10/09/2013 | CN102304623B Method and equipment for reducing impoverishment of copper converting slag |
| 10/02/2013 | CN103334008A Smelting method and smelting device for acid mud treatment |
| 09/25/2013 | CN103320617A Technology for cleanly and harmlessly processing high-calcium waste residue and high-iron waste residue |
| 09/25/2013 | CN103320614A Lead matte pyrogenic process treatment technology |
| 09/25/2013 | CN101899573B Method for processing lead-acid accumulators |
| 09/17/2013 | US8535602 System and method for producing metallic iron |
| 09/11/2013 | CN203187731U Equipment for smelting lead and zinc by bottom blowing smelting and electrothermal reduction |
| 09/11/2013 | CN103290429A Method for electrolyzing high-content low-grade lead bullion |
| 09/11/2013 | CN103290225A Method for recovering lead from lead-containing solid wastes |
| 09/04/2013 | CN103280390A Innocent treatment method for leaded glass of abandoned cathode ray tube |
| 09/04/2013 | CN103276217A Comprehensive recycling process for polymetallic material containing gold and silver |
| 09/04/2013 | CN102312101B Extractant for treating heavy metals in fly ash and method for extracting heavy metals with the extractant |
| 08/28/2013 | CN102757022B Technology for extracting tellurium product and valuable metal from lead anode slime |
| 08/28/2013 | CN102374781B Direct lead-smelting comprehensive metallurgical device and smelting process |
| 08/21/2013 | CN103255296A Energy-saving and environment-friendly new technology for production of zinc oxide in rotary kiln and comprehensive recovery of iron copper gold silver indium |
| 08/21/2013 | CN103255285A Lead-zinc-silver mixed concentrate comprehensive recovering method |
| 08/14/2013 | CN203128636U Refining furnace for recovery treatment of lead acid batteries |
| 08/14/2013 | CN203128635U Lead slime reaction barrel for recovering lead acid batteries |
| 08/14/2013 | CN103243225A Method for selectively separating bismuth and lead in lead and bismuth concentrate by smelting in bath |
| 08/14/2013 | CN102732713B Method for separating and recovering sediments after processing rhenium molybdenum concentrate-containing high lead |
| 08/07/2013 | CN103233129A Wet-process open treatment method of arsenic in copper ashes |
| 08/07/2013 | CN102191386B Reaction device of non-ferrous metal recycling |
| 08/06/2013 | US8500845 Process for refining lead bullion |
| 07/31/2013 | CN102586599B Method for recovering valued metals from zinc anode sludge |
| 07/24/2013 | CN103215455A Method for extracting lead and silicon from CRT (Cathode Ray Tube) cone glass with strong alkali by adopting mechanical activation process |
| 07/24/2013 | CN103215435A Method for comprehensively recycling zinc, copper, lead, gold, silver and sulfur from floatation silver concentrate |
| 07/24/2013 | CN102560118B Method for recycling tin and lead from waste circuit board leach liquor |
| 07/17/2013 | CN103205582A Bottom blowing smelting electrothermal reduction lead and zinc smelting process |
| 07/17/2013 | CN103205581A Bottom blowing smelting electrothermal reduction lead and zinc smelting device |
| 07/17/2013 | CN103205577A Method for extracting and separating lead from waste lead-containing glass |
| 07/17/2013 | CN103205576A Method for treating lead anode slime |
| 07/17/2013 | CN102409180B Metallurgical process for recovering metal copper, lead, zinc and tin from copper refining waste slag |
| 07/17/2013 | CN102392130B Method for recovering lead and tin from zinc leaching residues |
| 07/10/2013 | CN203049009U Lead flash smelting furnace |
| 07/10/2013 | CN203049008U Pipeline butting device |
| 07/10/2013 | CN103194615A Lead hydrometallurgical technology through utilizing lead sulfate |
| 07/10/2013 | CN103194612A Advanced treatment technology for bottom blowing smelting smoke dust |
| 07/03/2013 | CN203037083U Screw driving oscillating type lead smelting and slag removing device |
| 07/03/2013 | CN203037082U Swing type lead melting slag removal apparatus |
| 07/03/2013 | CN203037040U Lead smelting oxidoreduction furnace |
| 07/03/2013 | CN203034071U Oscillating melting-lead slag removing device driven by pulley |
| 07/03/2013 | CN203034066U Lead melting system with removed slag discharged concentratedly |
| 07/03/2013 | CN203034064U Separator for gold, lead and zinc in mine |
| 07/03/2013 | CN103184346A Method for selectively separating vanadium, lead and zinc from vanadinite |
| 07/03/2013 | CN103184341A Method for recovering disused lead plaster to prepare superfine lead powder and application of superfine lead powder |
| 07/03/2013 | CN102534220B Closed circulating and recycling method of waste lead-acid accumulator |
| 06/26/2013 | CN203021628U Lead dust collecting device |
| 06/26/2013 | CN103173625A Method for efficiently leaching indium from zinc oxide smoke |
| 06/19/2013 | CN103159278A Method for recovering Pb<2+> from electrolytic zinc rinsing wastewater with calcium-carbonate-modified kieselguhr |
| 06/19/2013 | CN102417988B Process for comprehensively utilizing copper sulphonium and slag produced during bismuth smelting |
| 06/13/2013 | WO2013056348A4 Energy efficient salt-free recovery of metal from dross |
| 06/12/2013 | CN103146936A Oxygen-rich redox furnace |
| 06/12/2013 | CN103146929A Efficient enrichment and recycling technique of valuable metals in lead smelting slags |
| 06/12/2013 | CN103146928A Method for processing anode mud with high Ag, Bi and Pb by using full wet method |
| 06/05/2013 | CN103131869A Extraction method for high-lead high-silver arsenious complex gold concentrate |
| 06/05/2013 | CN102352443B Method for producing zinc sulfate heptahydrate, crude tin and crude lead by using tin smelting dust |
| 06/04/2013 | US8454722 Method for reclaiming lead |
| 05/23/2013 | WO2013073663A1 Direct-reduced iron production system |
| 05/23/2013 | CA2856293A1 Direct reduced iron manufacturing system |
| 05/22/2013 | CN103114206A Method and device for recovering valuable elements from lead-silver-bismuth slag in copper smelting |
| 05/22/2013 | CN103114202A Comprehensive recovery process for environment-friendly type refractory gold-silver ore multi-metals |
| 05/15/2013 | CN103103344A Dressing-smelting combined treatment method for sulfate-containing lead-zinc smelting slags |
| 05/08/2013 | CN103088218A Method for extracting silver and lead from smelting slag generated by pyrogenic process treatment of copper anode mud |
| 05/08/2013 | CN103088204A Method for extracting lead and molybdenum from lead and molybdenum associated mineral |
| 05/08/2013 | CN102586604B Technology for wet-processing anode mud containing arsenic and lead |
| 05/01/2013 | CN102676805B Low grade zinc concentrate associated lead and silver recovery process |
| 04/25/2013 | WO2013056348A1 Energy efficient salt-free recovery of metal from dross |
| 04/25/2013 | CA2852984A1 Energy efficient salt-free recovery of metal from dross |
| 04/24/2013 | CN103060571A Method for recovering lead and tin in silver separating residue of copper anode mud of circuit board by pyrogenic process |
| 04/24/2013 | CN103060552A Method for extracting valuable metals from neutral leaching residue of zinc oxide |
| 04/17/2013 | CN102430482B Method for comprehensively recycling copper, gold and silver from liquid obtained after copper separation of tailings subjected to cyaniding for gold extraction |
| 04/10/2013 | CN103030188A Method of recovering Pb<2+> from electrolytic zinc rinsing waste water by using manganese oxide modified diatomite |
| 04/03/2013 | CN103017523A Oxygen-rich side-blown smelting reduction furnace and lead-rich material lead smelting method |
| 04/03/2013 | CN103014354A Process for recycling lead from lead-acid battery paste |
| 04/03/2013 | CN103014348A Device and process for continuously processing grids separated from waste lead-acid batteries |
| 04/03/2013 | CN103014347A Method for recycling waste lead-acid cells to directly produce lead oxide |
| 04/03/2013 | CN102031381B Process for preparing sodium pyroantimonate from arsenic- and stibium-containing smoke ash |
| 03/27/2013 | CN103000968A Lead plaster desulfurization transforming method for waste lead-acid storage batteries |