| Patents for C22B 13 - Obtaining lead (1,881) |
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| 04/06/2011 | CN102002584A Method of recovering manganese, lead and silver from zinc electrolyzed anode mud by utilizing acid-making tail gas |
| 03/30/2011 | CN201778088U Oxygen-bottom-blowing silver-smelting furnace |
| 03/30/2011 | CN101994007A Method for removing sulfur from waste lead-acid storage battery gypsum mud by using magnesium chloride |
| 03/30/2011 | CN101104888B Molten aluminum refining equipment |
| 03/23/2011 | EP2298941A1 Briquette manufacturing method, reductive metal manufacturing method, and zinc or lead separation method |
| 03/23/2011 | CN101988159A Discharge system device of lead dross converter |
| 03/16/2011 | CN201762422U Double-chamber oxygen side-blown continual lead smelting furnace |
| 03/16/2011 | CN201762415U Low-melting point metal recycling device |
| 03/16/2011 | CN101985695A Method for processing zinc leaching residues at high proportion by using oxygen bottom blown furnace |
| 02/24/2011 | WO2011022514A1 Tool for removing solder dross with a receptacle and a lift; method of treating solder dross using such tool |
| 02/24/2011 | WO2011020181A1 Selective leach recovery of minerals from composite ores |
| 02/24/2011 | US20110042868 Process and Apparatus for Recovery of Non-Ferrous Metals from Zinc Residues |
| 02/24/2011 | CA2770367A1 Selective leach recovery of minerals from composite ores |
| 02/23/2011 | CN101979685A Iron-matte separation process for one-step lead smelting through reduced formation of matte |
| 02/19/2011 | CA2676273A1 Leach recovery of minerals from composite carbonate/sulfide ores |
| 02/17/2011 | WO2011017855A1 Furnace for lead-slag reduction and process for lead-slag reduction |
| 02/16/2011 | CN101705366B Direct lead smelting method for processing zinc smelting slag by matching |
| 02/16/2011 | CN101555550B Method for recycling lead-tin in silver separating residue of copper anode slime of circuit board |
| 02/09/2011 | CN101705368B Process and device for treating decopperized slag by adopting bottom-blowing molten pool to produce wet lead and raw copper |
| 02/03/2011 | WO2011014716A2 Process for refining lead bullion |
| 02/03/2011 | WO2011013149A1 Reclaiming of lead in form of high purity lead compound from recovered electrode paste slime of dismissed lead batteries and/or of lead minerals |
| 02/03/2011 | CA2769175A1 Reclaiming of lead in form of high purity lead compound from recovered electrode paste slime of dismissed lead batteries and/or of lead minerals |
| 02/02/2011 | CN201729861U Lead and zinc integrated smelting furnace |
| 02/02/2011 | CN101372728B Apparatus for recovery of non-ferrous metals from zinc residues |
| 02/01/2011 | US7879132 using as a material a powder containing metal oxides and containing alkali metals and halogen elements, mixing such material with water to produce a slurry, then dehydrating and charging the dehydrated material into a rotary hearth type reduction furnace for reduction |
| 01/19/2011 | CN201713554U Lead separation device for lead-containing materials |
| 01/19/2011 | CN101948960A Method for recovering lead from iron-containing lead smelting slag |
| 01/19/2011 | CN101525694B Separation process for material containing lead, antimony, copper, bismuth and silver |
| 01/05/2011 | CN101935766A Method and device for smelting jamesonite by bottom-blowing pool |
| 01/05/2011 | CN101935761A Method for separating copper, selenium and tellurium from lead matte |
| 12/30/2010 | US20100326237 Composition of matter tailoring: system i |
| 12/29/2010 | CN101928841A Preparation process of hyperpure lead |
| 12/29/2010 | CN101532091B Technology of extracting and separating valuable metals such as Pb, In, Sb, Cu and Sn from lead smelting converter slags |
| 12/29/2010 | CN101514399B Balancing lead smelting process for comprehensive resource utilization and device thereof |
| 12/22/2010 | CN101253644B Plant for the recovery of spent electric batteries |
| 12/15/2010 | CN101918600A Process for producing metallic lead starting from desulfurized pastel |
| 12/15/2010 | CN101914681A Pollution-free method for treating copper, lead and silver-containing material |
| 12/14/2010 | US7851402 An inner organic binding group attached to at least one metal moiety of a metal oxide crystallite particle; andan outer organic binding group attached to at least one inner organic binding group; catalysts and precursors for forming metal oxide films and coatings |
| 12/08/2010 | CN101613803B Method for recovering lead from lead paste of waste lead-acid battery |
| 12/01/2010 | CN201662323U Secondary lead recovery energy-saving smelting furnace |
| 12/01/2010 | CN101899576A Method for recycling lead from lead-acid battery paste |
| 12/01/2010 | CN101899573A Method for processing lead-acid accumulators |
| 11/24/2010 | CN201648491U Novel oxidation reduction furnace for lead smelting |
| 11/24/2010 | CN201648490U Lead-containing material smelting device |
| 11/17/2010 | EP1834001B1 Method for the hydrometallurgical treatment of sulfide concentrate containing several valuable metals |
| 11/17/2010 | CN201634742U Oxygen side blown metal melting reduction furnace |
| 11/17/2010 | CN101886183A Lead smelting device and lead smelting method employing same |
| 11/17/2010 | CN101886176A Method for reducing, chloridizing, oxidizing and recovering iron, tin, lead and zinc in waste magnetic separation dreg in rotary kiln without pelletizing |
| 11/17/2010 | CN101086038B Direct lead smelting method in molten pool and its device |
| 11/10/2010 | CN201628476U Direct lead smelting furnace |
| 11/10/2010 | CN101880774A 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 |
| 11/10/2010 | CN101497944B Process for recycling lead and silver by lead silver slag pyrogenic process |
| 11/04/2010 | US20100278686 Process for recovering metals and metal compounds from mined ore and other metal-bearing raw source materials |
| 10/27/2010 | CN101871725A Horizontal bottom blowing type molten pool desulphurizing furnace and oxidative desulphurization method for leaded materials |
| 10/20/2010 | CN101864522A Clean metallurgical method for low-temperature molten salt of lead |
| 10/20/2010 | CN101864519A Method for selectively leaching and separating tin, lead and copper from waste circuit board |
| 10/19/2010 | US7815708 Process and apparatus for recovery of non-ferrous metals from zinc residues |
| 09/29/2010 | CN101195866B Finery for recycling and processing waste and old lead acid accumulator |
| 09/22/2010 | CN201587968U Device for processing lead bullion and lead copper matte produced by decoppering slag by adopting bottom-blowing molten pool for smelting |
| 09/22/2010 | CN101838744A Lead-zinc integrated smelting furnace and method thereof for recovering lead and zinc |
| 09/22/2010 | CN101838741A Lead skim reducing process |
| 09/22/2010 | CN101838736A Wet separation method for valuable metals in purified liquid cobalt slags of wet zinc smelting system |
| 09/16/2010 | US20100229686 Process for refining lead bullion |
| 09/15/2010 | CN201583146U Flash furnace nozzle fluidizing and feeding device |
| 09/15/2010 | CN201581119U Lead slag reducing furnace |
| 09/15/2010 | CN101831553A Method for green recovery of waste circuit boards by cyanide-free full-wet whole set process |
| 09/15/2010 | CN101280364B Method for producing high-stibium crude lead |
| 09/15/2010 | CN101148700B Treatment method for jamesonite and equipment thereof |
| 09/10/2010 | WO2010082065A3 Metal recovery from metallurgical waste by chloridising |
| 09/09/2010 | US20100226837 Production of metal products directly from underground ore deposits |
| 09/08/2010 | CN101824547A Method for vacuum liquating, crystallizing, separating and recycling lead and zinc in metal of waste circuit board |
| 09/01/2010 | CN101818261A Method for removing tin from lead bullion by adopting ferrous powder |
| 09/01/2010 | CN101818260A Method for removing tin from lead bullion by adopting brim stone |
| 09/01/2010 | CN101818259A Technology for refining lead from lead chloride slag by means of pyrometallurgy |
| 08/26/2010 | US20100215556 Nanopore reactive adsorbents for the high-efficiency removal of waste species |
| 08/25/2010 | CN101812594A Method for simultaneously smelting hydrolysis slag, pyrite and zinc kiln slag by using blast furnace |
| 08/19/2010 | US20100206133 Method of refining solder materials |
| 08/11/2010 | EP2216419A2 The technology of refining metallic wastes containing zinc in a rotary furnace |
| 08/11/2010 | EP2215277A2 Process for producing metallic lead starting from desulfurized pastel |
| 08/11/2010 | CN201543812U Lime milk spray device for casting slag mold |
| 08/11/2010 | CN101798639A Method for recovering indium from indium-containing neutralized dregs directly leached from zinc concentrate |
| 08/11/2010 | CN101798632A Method for smelting refined lead |
| 08/11/2010 | CN101338371B Salt-dipping and replacing process for associated metallic lead in gold concentrate |
| 08/04/2010 | CN201540028U Protection device for refractory material of flash metallurgical furnace body |
| 07/28/2010 | CN101787440A Method for wet processing of high antimony-lead anode mud |
| 07/28/2010 | CN101555549B Smelting process for rich manganese and equipment thereof |
| 07/22/2010 | WO2010082065A2 Metal recovery process |
| 07/22/2010 | CA2749907A1 Metal recovery process |
| 07/21/2010 | CN101323905B Fire metallurgy process of copper lead zinc mixing ore concentrate |
| 07/21/2010 | CN101321881B Method for processing lead-containing materials |
| 07/14/2010 | CN101353726B Method for separating lead platinum alloy by vacuum distillation |
| 07/07/2010 | CN101768670A Method for smelting lead-containing material |
| 07/07/2010 | CN101768668A Method for comprehensive recovery of lead and tin from alkaline refining slag of lead |
| 07/06/2010 | US7749302 Method for the hydrometallurgical treatment of sulfide concentrate containing several valuable metals |
| 06/30/2010 | CN101760757A Method for producing lead by executing electrolysis and alkaline leaching on lead sulfate material |
| 06/30/2010 | CN101760623A Wet leaching method of galena |
| 06/30/2010 | CN101760620A Purifying and impurity-removing method of wet leachate of galena |
| 06/30/2010 | CN101757869A Water-cooling type agitator |
| 06/23/2010 | CN201514112U Levitation melting side-blown reduction lead smelting furnace |
| 06/23/2010 | CN201514108U Lead smelting pot |