| Patents for C22B 13 - Obtaining lead (1,881) |
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| 03/27/2013 | CN102994774A Lead blowing process by blowing fuel from bottom |
| 03/27/2013 | CN102994765A Method for treating waste copper slag |
| 03/27/2013 | CN102994764A Process for recovering lead, zinc and cadmium in soot on recovery section in process of treating waste acid generated in lead smelting |
| 03/27/2013 | CN102994754A Technology for comprehensively recovering complex material containing lead, bismuth, cobalt and nickel through wet method |
| 03/20/2013 | CN202817145U Equipment for wet recovery of waste lead paste and wet manufacture of high-performance lead-acid storage battery electrode active substances |
| 03/20/2013 | CN102978423A Method for directly smelting lead-tin alloy from lead-tin concentrate |
| 03/20/2013 | CN102978416A Device and method for continuously removing copper from liquid crude lead |
| 03/20/2013 | CN102978415A Oscillating type lead smelting and slag removing device |
| 03/14/2013 | WO2013034049A1 Comprehensive recovery method for complex material containing arsenic and valuable metal slags |
| 03/13/2013 | EP2566993A2 Method for reclaiming lead |
| 03/13/2013 | CN202786374U Top-blown lead-smelting strengthening furnace device |
| 03/13/2013 | CN202779133U Lead steam exhausting device of lead smelting boiler in lead smelting process |
| 03/13/2013 | CN102965509A Method and device for treating daub and iron-rich heavy metal solid waste of waste lead-acid storage battery |
| 03/13/2013 | CN102965499A Method for extracting valuable element in arsenic salt purification slag from zinc hydrometallurgy |
| 03/13/2013 | CN101918600B Process for producing metallic lead starting from desulfurized pastel |
| 03/12/2013 | CA2687755C Direct smelting of zinc bearing compounds to produce metallic zinc |
| 03/06/2013 | EP2563522A1 Method for recovering valuable metals |
| 03/06/2013 | CN102952947A Comprehensive recovery method of rare metals in waste circuit boards |
| 03/06/2013 | CN102952942A Method of utilizing medium-lower-grade zinc oxide ores as well as zinc oxide and lead oxide paragenic ores |
| 02/27/2013 | CN202752587U Waste recovery device of high-order position casting plate machine |
| 02/21/2013 | WO2013025169A1 Recovery of lead and indium from glass, primarily from electronic waste material |
| 02/21/2013 | CA2844047A1 Recovery of lead and indium from glass, primarily from electronic waste material |
| 02/20/2013 | CN102936659A Closed-circuit process technique for recovering multiple metals from copper and lead electrolysis anode mud |
| 02/14/2013 | WO2013020175A1 Treatment of sulphidic materials |
| 02/14/2013 | CA2844095A1 Treatment of sulphidic materials |
| 02/13/2013 | CN202730209U Lead liquid stirring and dust arresting device of lead refining pot |
| 02/13/2013 | CN102925922A Process for recovering plumbum and silver from waste slag of metal smelting |
| 02/13/2013 | CN102925702A Process for recovering copper and zinc and tin and lead by utilizing side blown converter at the bottom |
| 02/13/2013 | CN102925698A Method for desulfurizing waste lead-acid battery diachylon |
| 02/13/2013 | CN102925691A Method for recycling lead from lead-containing cathode-ray tube glass in discarded electronic waste |
| 02/06/2013 | CN102912147A Process for recycling lead zinc, silver and iron from tailings after carrying out sulphur flotation on zinc oxygen pressure leaching slag |
| 02/06/2013 | CN102912143A Method for comprehensively treating indium-containing lead anode slime through whole wet process |
| 02/06/2013 | CN102912138A Method of recycling zinc, manganese, lead and silver from zinc electrowinning anode mud |
| 02/06/2013 | CN102912125A Method for separating lead and antimony in antimony-containing lead concentrates |
| 01/30/2013 | CN202705427U Vacuum furnace using waste leaded glass to synthesize nanometer lead |
| 01/23/2013 | CN102893113A Rotary kiln and metal recovery method |
| 01/23/2013 | CN102154555B Blast furnace reduction matte smelting method and device for cleanly treating lead scraps |
| 01/23/2013 | CN102002602B Method for increasing recovery rates of lead and zinc during lead-zinc sulfide ore dressing-smelting joint application |
| 01/16/2013 | CN202667625U Lead riser tundish for oxygen bottom blowing furnace |
| 01/15/2013 | CA2539166C Process and apparatus for recovery of non-ferrous metals from zinc residues |
| 01/09/2013 | CN102869449A Method for recovering valuable metals |
| 01/02/2013 | CN102851516A Amalgam purifying method and container |
| 01/02/2013 | CN102162032B Method for recovering lead and silver from purification slag of zinc hydrometallurgy |
| 01/02/2013 | CN101636512B Recovery of lead in form of high purity lead carbonates from spent lead batteries incl. electrode paste |
| 12/27/2012 | US20120328494 Method for recovering indium, silver, gold and rare, precious and base metals from complex oxide and sulfide ores |
| 12/26/2012 | CN102021347B Lead smelting process based on slag powered coal direct reduction and horizontal powered coal reduction lead smelting device |
| 12/26/2012 | CN102002593B Process for synthesizing nano-lead from waste cathode-ray tube (CRT) lead-containing glass by one-step method |
| 12/20/2012 | WO2012174235A1 INTERMETALLIC M-Sn5 (M=Fe, Cu, Co, Ni) COMPOUND AND A METHOD OF SYNTHESIS THEREOF |
| 12/19/2012 | CN102181644B Method for reclaiming rare noble metals from waste circuit board |
| 12/12/2012 | CN102337391B Process method for recovering indium, germanium and other valuable metals from indium concentrate |
| 12/05/2012 | CN202576523U Energy-saving and environment-friendly smelting furnace |
| 12/05/2012 | CN102808088A Proportioning method for recycling waste residues of valuable metal through sulphur fixation treatment |
| 12/05/2012 | CN102806339A Waste recovery device of plate casting machine |
| 12/05/2012 | CN102115890B Total recycling method of PCB (printed circuit board) nitric acid type tin-lead stripping waste liquid |
| 12/04/2012 | US8323595 Recovery of high purity lead oxide from lead acid battery paste |
| 12/04/2012 | US8323376 Lead recycling |
| 12/04/2012 | US8323375 Method of operating a converter and apparatus for carrying out the method |
| 11/28/2012 | CN102796871A Method for treating cast of lead anode plate in electro-deposit copper |
| 11/21/2012 | CN102787237A Process for recovering iron, copper, zinc, and lead in copper tailing by leaching |
| 11/14/2012 | CN102776383A Method for smelting crude lead in oxygen-enriched side-blowing smelting furnace |
| 11/14/2012 | CN102776377A Method for conducting sulfur fixation treatment on lead-contained waste residues to recover valuable metal by side-blown smelting furnace |
| 11/14/2012 | CN102776376A Method for recovering valuable metal from waste residue containing lead and zinc through wet-fire combination process |
| 11/14/2012 | CN102776368A Lead and zinc tailing recycling method |
| 11/14/2012 | CN102168176B Comprehensive recycling process for valuable metal roasting-cyaniding gold-containing tailing |
| 11/14/2012 | CN102011014B Continuous lead-smelting device and continuous lead-smelting process |
| 11/13/2012 | US8308844 Method of reduction treatment of metal oxides or steelmaking waste and method of concentrating and recovering zinc and/or lead |
| 11/07/2012 | CN102766768A Method for separating valuable metal from zinc smelting acid leaching slags |
| 11/07/2012 | CN102108443B Method for recycling lead in lead accumulator |
| 10/31/2012 | CN202511623U Device for coarse smelting and fire refining of metallic lead |
| 10/31/2012 | CN102758092A Method for producing nickel iron by comprehensively utilizing low-grade lateritic nickel ore |
| 10/31/2012 | CN102757022A Technology for extracting tellurium product and valuable metal from lead anode slime |
| 10/24/2012 | CN102747231A Method for treating copper dross by induction electric furnace |
| 10/24/2012 | CN102747229A Method for separating and recycling valuable metals in powder rich in multiple metals of waste circuit board |
| 10/24/2012 | CN102747226A Method for treating zinc hydrometallurgy waste residue by using alkali ammonium sulfur coupling method |
| 10/17/2012 | CN102732735A Method for recovering valued metals from melting slag of copper anode slime Kaldo furnace |
| 10/17/2012 | CN102732732A Method for depleting lead copper matte and bismuth copper matte by using induction electric furnace |
| 10/17/2012 | CN102732731A Method for extracting valuable metals and refining zinc sulphate monohydrate from zinc-containing waste material |
| 10/17/2012 | CN102732713A Method for separating and recovering sediments after processing rhenium molybdenum concentrate-containing high lead |
| 10/10/2012 | CN102719675A Method for comprehensively recovering zinc, lead and silver from waste residues generated in zinc smelting |
| 10/10/2012 | CN102719668A Technology for extracting zinc, lead and silver step by step by processing zinc-leached residues by full wet process |
| 10/10/2012 | CN102191383B Treatment method for waste printed circuit board |
| 10/04/2012 | WO2012135539A1 Systems and methods for processing lead-containing glass |
| 10/04/2012 | US20120251417 Method for Recovering Metal, and Reagent and Kit for Recovery of Metal for Use in the Same |
| 10/04/2012 | US20120251390 Method for Recovering Metal and Kit for Recovery of Metal for Use in the Same |
| 10/04/2012 | CA2831274A1 Systems and methods for processing lead-containing glass |
| 10/03/2012 | CN102703727A Method for comprehensively utilizing gas and dust in steel works |
| 10/03/2012 | CN102703695A Method for comprehensively recovering iron and germanium from zinc calcine containing high iron and high indium |
| 10/03/2012 | CN102703690A Method for separating high-ferrosilicon complex zinc oxide lean ores through combined treatment |
| 09/26/2012 | CN102690951A Method for removing lead and antimony from alkaline-leaching dearsenification solution of lead anode slime |
| 09/26/2012 | CN102690946A Method for comprehensively extracting valuable metals from tellurium-containing polymetallic materials |
| 09/26/2012 | CN102690945A Method for recycling low-grade lead and zinc in pyrite cinder |
| 09/26/2012 | CN102061395B Smelting and separating method of noble lead |
| 09/26/2012 | CN101988159B Discharge system device of lead dross converter |
| 09/19/2012 | CN102676832A Method for separating copper from lead through vacuum distillation of copper scum |
| 09/19/2012 | CN102676826A Method for extracting lead from waste CRT (Cathode Ray Tube) cone glass |
| 09/19/2012 | CN102676822A Burning-free non-cyaniding method for treating waste printed circuit board |
| 09/19/2012 | CN102676805A Low grade zinc concentrate associated lead and silver recovery process |
| 09/19/2012 | CN102043412B Control method for supplying fuel oil and oxygen in smelting system |
| 09/13/2012 | US20120227544 Process for refining lead bullion |
| 09/12/2012 | CN102660686A Method for treating waste cathode ray tube (CRT) cone glass by strengthening acid leaching through mechanical activation technology |