| Patents for C22B 13 - Obtaining lead (1,881) |
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| 04/30/2014 | CN103757423A Process for processing ash with lead and copper by two-stage method for side blown furnace |
| 04/30/2014 | CN103757421A Method for extracting rare and precious metals from platinum-palladium mud |
| 04/30/2014 | CN103757420A Method for recycling lead and silver from zinc leaching slag |
| 04/30/2014 | CN103243225B Method for selectively separating bismuth and lead in lead and bismuth concentrate by smelting in bath |
| 04/23/2014 | CN203559108U System for simultaneously smelting lead and zinc |
| 04/23/2014 | CN203559107U Movable smoke discharging channel of lead melting pot |
| 04/23/2014 | CN103740950A Processing method of lead removing slags generated by antimony smelting |
| 04/23/2014 | CN103740945A Method for enriching and recycling cadmium from lead smelting system |
| 04/23/2014 | CN103740941A Method for leaching copper, zinc and lead from acid leaching residue of high-indium oxide powder |
| 04/23/2014 | CN103738928A Method for recycling selenium in electrolytic manganese anode slime through ultrasonic enhancement |
| 04/16/2014 | CN203546126U Lead extraction system |
| 04/16/2014 | CN103725884A Treatment method of high-indium and high-copper zinc ore concentrate |
| 04/16/2014 | CN103721851A Method for recycling zinc, lead, silver and copper from zinc oxide ore |
| 04/16/2014 | CN102399995B Method for extracting lead-zinc oxide by utilizing zincilate volatilization kiln |
| 04/09/2014 | CN203530391U Comprehensive recovery system for waste CRT (cathode ray tube) cone glass |
| 04/09/2014 | CN103710544A Method for comprehensively recovering valuable metals from zinc smelting slag |
| 04/02/2014 | CN203518583U Novel high-temperature platform furnace |
| 04/02/2014 | CN103695662A Comprehensive utilization method of slag iron concentrates of wet-type zinc smelting furnace |
| 04/02/2014 | CN103695650A Method for smelting lead paste of waste lead storage battery |
| 04/02/2014 | CN103695648A Method for separating lead-silver slag from ferroalumen slag in zinc hydrometallurgy |
| 04/02/2014 | CN103146936B Oxygen-rich redox furnace |
| 04/02/2014 | CN102586615B Method for efficiently enriching valued metals from complicated sulfur- and lead-containing waste residue |
| 04/02/2014 | CN102560124B Treatment method for harmless reclamation of solid waste of heavy metal |
| 03/26/2014 | CN203498450U Side-blown reducing lead-zinc smelting equipment |
| 03/26/2014 | CN103673646A High-humidity regenerated lead smelting off-gas dehumidifying and dedusting device |
| 03/26/2014 | CN103667737A Primary pyro-refining method for lead bullions |
| 03/26/2014 | CN103667736A Method for refining lead dross by employing converter |
| 03/26/2014 | CN103667735A Method for recovering lead from waste lead storage battery |
| 03/26/2014 | CN103667725A One-step lead smelting process and device for waste lead-acid storage battery lead plaster bottom-blowing smelting |
| 03/26/2014 | CN103667720A Method for recovering zinc, indium, iron, and lead from high-iron zinc oxide mixture smelted with zinc |
| 03/26/2014 | CN103667712A Method for smelting lead-containing waste and copper-containing waste synchronously in molten pool |
| 03/26/2014 | CN103667707A Method of recovering gold and silver from a waste circuit board |
| 03/26/2014 | CN103060571B Method for recovering lead and tin in silver separating residue of copper anode mud of circuit board by pyrogenic process |
| 03/26/2014 | CN102994754B Technology for comprehensively recovering complex material containing lead, bismuth, cobalt and nickel through wet method |
| 03/20/2014 | WO2014040332A1 Method for reutilization of lead from cathode-ray tube glass of lead-containing discarded electronic wastes |
| 03/19/2014 | CN103644737A Temperature rise method for lead smelting furnace body |
| 03/19/2014 | CN103643051A Process and device for treating copper-lead smelting mixed slag through bottom-blowing bath smelting technology |
| 03/19/2014 | CN103643049A Method for smelting lead dross |
| 03/19/2014 | CN102776368B Lead and zinc tailing recycling method |
| 03/19/2014 | CN102382990B Method of flotation and direct reduction of comprehensively recovered lead, zinc and ferrum in oxidized lead-zinc ore |
| 03/12/2014 | CN203474874U Dust removing device for secondary lead converter |
| 03/12/2014 | CN103629920A Vertical blast sintering reactor |
| 03/12/2014 | CN103627903A Recovery method for recycling lead in waste lead-acid storage batteries |
| 03/12/2014 | CN102912143B Method for comprehensively treating indium-containing lead anode slime through whole wet process |
| 03/12/2014 | CN102146519B Method for smelting lead by sintering-free desulphurization and coke-free reduction and dual-chamber lead smelting furnace device |
| 03/05/2014 | CN103614562A Process method for processing solid waste of steelworks by utilizing smelting furnace |
| 02/26/2014 | CN103602827A Natural gas lead smelting device, and lead smelting method using natural gas lead smelting device |
| 02/26/2014 | CN103602826A Secondary lead side-blown boiling smelting furnace |
| 02/19/2014 | CN203443358U Charging device for secondary lead converter |
| 02/19/2014 | CN203437625U Waste recovery device of plate casting machine |
| 02/19/2014 | CN103588488A Method for preventing through washing of lead chute by use of poured coating |
| 02/19/2014 | CN102732735B Method for recovering valued metals from melting slag of copper anode slime Kaldo furnace |
| 02/12/2014 | CN203432357U Water gas spray gun for oxygen-enrichment side-blown smelting furnace molten pool |
| 02/12/2014 | CN203429233U Novel feeding and dust collecting device for reflecting furnace |
| 02/12/2014 | CN103572064A Method for enriching lead and recovering rare earth from rare earth lead slag |
| 02/12/2014 | CN102690945B Method for recycling low-grade lead and zinc in pyrite cinder |
| 01/29/2014 | CN103540762A Lead melting copper removal refining process for industrial frequency coreless-type electric induction furnace |
| 01/29/2014 | CN103540761A High-temperature continuous smelting platform furnace |
| 01/29/2014 | CN103540757A Research on dechloridation process of lead chloride slag |
| 01/29/2014 | CN102925691B Method for recycling lead from lead-containing cathode-ray tube glass in discarded electronic waste |
| 01/22/2014 | CN103526048A Method for separating lead and antimony from jamesonite |
| 01/22/2014 | CN103526032A Method for separating and enriching lead and cadmium via cloud point extraction |
| 01/22/2014 | CN103526016A Method for recovering lead-containing raw material by using wet process |
| 01/22/2014 | CN102242282B Alkaline reduction smelting method for vanadium polymetallic ore |
| 01/15/2014 | CN203393209U Lead refining pan dust-collecting device |
| 01/15/2014 | CN203393205U Oxygen-enriched melting furnace used for treating low-grade multi-metal materials |
| 01/15/2014 | CN203393204U Oxygen-enriched reduction furnace used for treating low-grade multi-metal materials |
| 01/15/2014 | CN103509949A Methods and equipment for recovering waste diachylon by wet method and manufacturing electrode active material of high performance lead acid battery by wet method |
| 01/08/2014 | EP2682487A1 Comprehensive recovery method for complex material containing arsenic and valuable metal slags |
| 01/08/2014 | CN203382810U Oxygen-rich oxidation-reduction furnace |
| 01/08/2014 | CN203382809U Matched equipment for producing lead fine bricks |
| 01/08/2014 | CN103498057A Device and method for bottom-blowing reduction lead refining with little disturbance of bottom lead |
| 01/08/2014 | CN103496790A Method for treating wastewater containing lead through activation and modification of waste mushroom residues and recovering lead |
| 01/01/2014 | CN102676822B Burning-free non-cyaniding method for treating waste printed circuit board |
| 01/01/2014 | CN102230090B Lead-zinc integrated smelting furnace, and method for recovering lead and zinc |
| 12/25/2013 | CN103468970A Lead plaster desulfurizer and desulphurization method for secondary lead industry |
| 12/25/2013 | CN103468961A Method for processing dust containing zinc and lead in steel plant through closed cupola furnace |
| 12/25/2013 | CN103468957A Heating device for converter for secondary lead smelting |
| 12/25/2013 | CN103468954A Method for recycling valuable metals by smelting zinc kiln slag, leaching slag and lead slag |
| 12/25/2013 | CN103468947A Hydrometallurgical method for separating and extracting Mn, Fe, Pb and Ag from silver-manganese ore |
| 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 | CN103451446A Smelting side-blowing reduction lead-zinc smelting device |
| 12/18/2013 | CN103451445A Smelting side-blowing reduction lead-zinc smelting process |
| 12/18/2013 | CN103451444A Device and technology for smelting and processing secondary lead materials to generate lead bullion by adopting bottom blowing furnace hearth |
| 12/18/2013 | CN103451432A Method for extracting lead and precious metals from dead catalysts containing precious metals |
| 12/18/2013 | CN103451430A Oxygen-enriched smelting furnace for treating low-grade multi-metal material |
| 12/11/2013 | CN103436706A Method for processing low-grade waste zinc slag to recover zinc, silver, lead and indium |
| 12/11/2013 | CN103436705A Method used for processing copper dross by oxygen-enriched top-blown furnace |
| 12/11/2013 | CN103436703A Total-oxygen side-blown reduction smelting converter |
| 12/11/2013 | CN102643996B Method for producing lead bullion by means of copper dross side-blown smelting |
| 12/04/2013 | CN203320084U Siphon type controllable lead releasing device |
| 12/04/2013 | CN103421958A Method for processing zinc leaching cinder through adopting oxygen enrichment and smelting for bottom blown furnace |
| 12/04/2013 | CN103421955A Zinc leaching slag treatment method |
| 12/04/2013 | CN102978415B Oscillating type lead smelting and slag removing device |
| 12/04/2013 | CN101619389B Method for extracting lead from lead sulfide ore concentrate by HCl-O2-NaCl system |
| 11/27/2013 | CN103409636A Comprehensive recovery method of waste CRT (Cathode Ray Tube) cone glass |
| 11/27/2013 | CN103409632A Method for comprehensively recovering gold mud wet technology tail gas |
| 11/27/2013 | CN102965499B Method for extracting valuable element in arsenic salt purification slag from zinc hydrometallurgy |
| 11/27/2013 | CN102747229B Method for separating and recycling valuable metals in powder rich in multiple metals of waste circuit board |
| 11/20/2013 | CN203295588U Smelting device used for processing acid mud |