| Patents for C22B 13 - Obtaining lead (1,881) |
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| 06/23/2010 | CN101748277A Method for recovering lead from waste lead acid batteries |
| 06/23/2010 | CN101429595B Enclosed dissociation desulfurization reactor and system |
| 06/23/2010 | CN101413058B Lead placing apparatus for electric heating fore well in lead metallurgical furnace kiln |
| 06/16/2010 | CN101736165A Swirling column nozzle, swirling column smelting equipment and swirling column smelting method |
| 06/16/2010 | CN101358286B Method for treating copper scum using converter |
| 06/16/2010 | CN101200777B Method and equipment for continuous smelting of lead sulphide concentrate |
| 06/15/2010 | US7736584 Method for manufacturing a mixer-settler and mixer-settler |
| 06/10/2010 | US20100143219 Process for the production of nano lead oxides |
| 06/09/2010 | CN101724753A Low-temperature alkaline lead-smelting method |
| 06/09/2010 | CN101723713A Overall treatment method of steel works sintering dust |
| 06/09/2010 | CN101260479B Flash smelting method for lead |
| 06/03/2010 | US20100132508 Process for separating and refining impurities from lead bullion |
| 06/02/2010 | CN101343691B Pollution-free separation method for plumbum and silver |
| 05/27/2010 | WO2010057444A1 Sealed dissociation and desulfurization reactor and system thereof |
| 05/27/2010 | US20100126312 Direct smelting of zinc bearing compounds to produce metallic zinc |
| 05/19/2010 | CN201476581U Oxygen spray gun with multi-layer protection |
| 05/19/2010 | CN201476551U Heating device of lead melting furnace |
| 05/19/2010 | CN101709373A Method and system for treating lead-zinc sulfide ores |
| 05/19/2010 | CN101073790B Reduction-mill concentration treatment for different-type red-clay nickel mine |
| 05/12/2010 | CN201463522U Discharge system device of lead dross rotary furnace |
| 05/12/2010 | CN201463498U Lead refining device |
| 05/12/2010 | CN101705372A Process for extracting tin from wet lead with high tin content |
| 05/12/2010 | CN101705368A Process and device for treating decopperized slag by adopting bottom-blowing molten pool to produce wet lead and raw copper |
| 05/12/2010 | CN101705366A Direct lead smelting method for processing zinc smelting slag by matching |
| 05/06/2010 | US20100107821 Swirling column nozzle, swirling column smelting equipment using the same, and swirling column smelting method |
| 04/22/2010 | DE102008047854A1 Verfahren zum Trennen von Werterzpartikeln aus Agglomeraten, die nicht magnetische Erzpartikel und daran angelagerte magnetisierbare Partikel, insbesondere Fe-haltige Oxidkomponenten wie Fe3O4, enthalten A method of separating contain Werterzpartikeln of agglomerates, the non-magnetic ore particles and magnetizable particles attached thereto, in particular Fe-containing oxide components such as Fe3O4, |
| 04/21/2010 | CN101696469A Method for separating multi-element alloy of lead, bismuth, gold, silver and copper |
| 04/14/2010 | CN101693952A Method for recovering manganese and lead from electrolytic manganese anode mud |
| 04/13/2010 | US7695527 prepared by dissolving crude copper sulfate crystals or copper metal, and subjecting this to active carbon treatment or solvent extraction and active carbon treatment in order to realize recrystallization; purity of 99.99 wt % or higher |
| 02/25/2010 | US20100043600 Reclaiming of lead in form of high purity lead compound from recovered electrode paste slime of dismissed lead batteries and/or of lead minerals |
| 02/18/2010 | WO2010019062A1 The procedure for obtaining metal concentrate from ore complex |
| 02/18/2010 | US20100040938 Lead recycling |
| 02/17/2010 | CN201407914Y Oxygen bottom-blown furnace seal cover valve |
| 02/17/2010 | CN100590930C Desulfurization process of pastel and grids of lead accumulators |
| 02/10/2010 | CN201400711Y Ferrous manganese ore enriching reaction furnace capable of recovering lead |
| 01/27/2010 | CN101636512A Recovery of lead in form of high purity lead carbonates from spent lead batteries incl. electrode paste |
| 01/20/2010 | CN201385118Y Demolding device for slag casting machine |
| 01/20/2010 | CN100583548C Method of recycling waste lead acid battery lead by electrolyzing with acid-wet method |
| 01/14/2010 | WO2010005023A1 Briquette manufacturing method, reductive metal manufacturing method, and zinc or lead separation method |
| 01/14/2010 | CA2727581A1 Method for producing briquette, method for producing reduced metal, and method for separating zinc or lead |
| 12/30/2009 | CN101613806A Directly low-temperature smelting method with solid lead chloride |
| 12/23/2009 | CN201368671Y Furnace hearth spraying furnace housing integration structure |
| 12/23/2009 | CN201367457Y Sprinkling furnace casing device for converting area of fuming furnace |
| 12/23/2009 | CN101608264A Waste lead recovering method for lead-acid storage batteries |
| 12/16/2009 | CN100569967C Desulfurization and transformation method for waste lead accumulator regenerative lead |
| 12/09/2009 | CN201358288Y Waste lead storage battery and copper dross hot air sealing short kiln smelting equipment |
| 11/18/2009 | EP2118954A1 Device and method for processing uncrushed lead storage batteries at an improved rate |
| 11/12/2009 | WO2009068988A3 Process for producing metallic lead starting from desulfurized pastel |
| 11/11/2009 | CN201345398Y Regeneration and utilization system for waste lead-acid storage batteries and lead-containing waste |
| 11/11/2009 | CN201343564Y Reduction spray gun for reduction furnace |
| 11/11/2009 | CN100559649C A method of pre-treatment and components separation of waste lead-acid accumulator |
| 10/28/2009 | EP2111470A1 Recovery of lead in form of high purity lead carbonates from spent lead batteries incl. electrode paste |
| 10/28/2009 | CN101565780A Smelting method of polymetallic lead-zinc sulfide ore |
| 10/21/2009 | CN101560606A Deleading method through vacuum distillation of noble lead materials |
| 10/14/2009 | CN201326001Y Closed desulphurization and dissociation reaction vessel and system thereof |
| 10/14/2009 | CN201326000Y Bottom blowing molten pool furnace for smelting precious metals containing lead |
| 10/14/2009 | CN201325999Y Slag hole device for reducing furnace |
| 10/14/2009 | CN101555550A Method for recycling lead-tin in silver separating residue of copper anode slime of circuit board |
| 10/14/2009 | CN101555549A Smelting process for rich manganese and equipment thereof |
| 10/07/2009 | EP2106454A1 Apparatus and process for the treatment of crude lead |
| 10/07/2009 | CN100547094C Method for recovery and utilization of acid waste liquid generated in waste lead acid accumulator lead -recovery process |
| 10/06/2009 | US7597740 Recovery of non-ferrous metals from zinc residues |
| 09/23/2009 | CN101538650A Method for wet-separation of manganese from lead and silver in electrolytic-zinc anode slime |
| 09/16/2009 | EP2100978A1 Method of reduction treatment of metal oxides or steelmaking waste and method of concentrating and recovering zinc and/or lead |
| 09/16/2009 | CN101532091A Technology of extracting and separating valuable metals such as Pb, In, Sb, Cu and Sn from lead smelting converter slags |
| 09/09/2009 | CN101525694A Separation process for material containing lead, antimony, copper, bismuth and silver |
| 08/26/2009 | CN201296774Y Crude lead refining furnace |
| 08/26/2009 | CN101514399A Balancing lead smelting process for comprehensive resource utilization and device thereof |
| 08/26/2009 | CN101514395A Method for recovering lead oxide by waste lead-acid storage battery |
| 08/19/2009 | EP2089553A1 Lead recycling |
| 08/19/2009 | CN101512024A Lead slag reduction. |
| 08/19/2009 | CN101509081A Process for direct reduction of liquid high-lead skim with reduction furnace |
| 08/19/2009 | CN101508017A Releasing agent of slag caster |
| 08/05/2009 | CN101497944A Process for recycling lead and silver by lead silver slag pyrogenic process |
| 08/05/2009 | CN100522445C Solder-dross mixture separation method and apparatus |
| 07/28/2009 | CA2348522C Method and apparatus for preparing a sample for analysis |
| 07/15/2009 | EP2078759A1 Rotary drum furnace for smelt recovery of heavy metals |
| 06/04/2009 | WO2009068988A2 Process for producing metallic lead starting from desulfurized pastel |
| 06/02/2009 | US7540078 Method for recycling wastes of an electrical appliance |
| 05/27/2009 | CN101440433A Molten lead inductor |
| 05/27/2009 | CN100491551C Cooling drum for smelting |
| 05/27/2009 | CN100491550C Lead blowing-furnace oxygen-rich smelting process |
| 05/26/2009 | US7537741 Gold and silver recovery from polymetallic sulfides by treatment with halogens |
| 05/20/2009 | DE112007001820T5 Bleischlackenreduzierung Lead slag reduction |
| 05/13/2009 | CN101429595A Enclosed dissociation desulfurization reactor and system |
| 04/22/2009 | CN101413058A Lead placing apparatus for electric heating fore well in lead metallurgical furnace kiln |
| 04/21/2009 | US7521286 Methods of refining lead-containing materials |
| 04/08/2009 | CN100475987C Process and apparatus for recovery of non-ferrous metals from zinc residues |
| 03/25/2009 | CN100471967C Method for the hydrometallurgical treatment of sulfide concentrate containing several valuable metals |
| 03/24/2009 | US7507496 Process for recovering lead oxides from exhausted batteries |
| 03/03/2009 | US7498012 Carbonation in two steps, a granulometric separation between the two steps followed by specific desulfurization of the large part, a desodification obtaining the conversion of the PbSO4 contained in the pastel into PbCO3 which can be easily converted into metallic Pb in an oven by the addition of coal |
| 02/25/2009 | CN101372728A Process and apparatus for recovery of non-ferrous metals from zinc residues |
| 02/25/2009 | CN100463983C Method for reclaiming metal by copper smelting-furnace magnesia brick lining |
| 02/24/2009 | CA2396839C Lead, zinc and manganese recovery from aqueous solutions |
| 02/11/2009 | CN101363684A Secondary lead smelting 'bell jar' type lead powder dust absorption device |
| 02/04/2009 | CN101358286A Method for treating copper scum using converter |
| 02/04/2009 | CN101358283A Technique for continuously smelting plurality of metalliferous material using rotary kiln and smelting furnace |
| 01/28/2009 | CN201186946Y Plumbous flash smelting apparatus |
| 01/28/2009 | CN101353726A Method for separating lead platinum alloy by vacuum distillation |
| 01/14/2009 | CN101343691A Pollution-free separation method for plumbum and silver |