| Patents for C22B 30 - Obtaining antimony, arsenic or bismuth (1,043) |
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| 06/01/2011 | CN102080158A Pyrogenic attack comprehensive recovery process for lead and silver slag leached from bismuth oxide slag |
| 06/01/2011 | CN101660061B New process for removing arsenic by strong oxidization in blast furnace |
| 05/18/2011 | CN201834960U Coarse bismuth refining device |
| 05/18/2011 | CN102061395A Smelting and separating method of noble lead |
| 05/18/2011 | CN102061391A Method for recycling waste slags of antimony oreresidue |
| 05/18/2011 | CN102061377A Process for recycling bismuth concentrate from tungsten ore magnetic separation tailings |
| 05/04/2011 | CN201819535U Top filling device for blast furnace |
| 05/04/2011 | CN102041399A Antimony fire refining lead-removal agent and application thereof |
| 05/04/2011 | CN102041394A Process for producing refined bismuth by utilizing bismuth oxychloride |
| 05/04/2011 | CN102041387A Method for enriching gold and silver by floating anode mud and recycling antimony and bismuth |
| 04/27/2011 | CN102031383A Wet process for lead-silver residues |
| 04/27/2011 | CN102031381A Process for preparing sodium pyroantimonate from arsenic- and stibium-containing smoke ash |
| 04/20/2011 | CN201801613U Electrolytic deleading device for plumbic bismuth-silver alloys |
| 04/20/2011 | CN201801565U Feeding and granulating system used in smelting of antimony |
| 04/20/2011 | CN102021338A Method for separating and enriching tellurium and nickel from electrolyte waste acid |
| 04/06/2011 | CN102002604A Metal arsenic reformer |
| 04/06/2011 | CN102002603A Large arsenide reduction furnace |
| 04/06/2011 | CN102002597A Method for comprehensively recovering valuable metals from low-grade tellurium slag |
| 04/06/2011 | CN102002596A Process for reclaiming bismuth and silver from bismuth refining slag |
| 03/30/2011 | CN101994010A Preparation method of arsenious ash leaching liquid |
| 03/23/2011 | CN101225478B Large vacuum furnace for processing arsenic-containing gold ore or arsenic concentrate and continuous operation method thereof |
| 03/16/2011 | CN101671777B Multi-metal recovery processing technique of waste liquid generated in germanium producing process |
| 02/17/2011 | US20110036099 Method for producing a thermoelectric intermetallic compound |
| 02/16/2011 | CN101974765A Comprehensive method for separating stibium from materials containing stibium, tin and lead |
| 02/02/2011 | CN101314183B Method for synthesizing monocrystal bismuth nano-wire with intense magnetic field abduction |
| 01/26/2011 | CN101956084A Low temperature molten salt clean metallurgy method of bismuth |
| 01/26/2011 | CN101956065A Feeding and pelletizing system for smelting antimony |
| 01/19/2011 | CN101948954A Gold recovery technology for processing arsenious S-C gangue coated gold concentrate by microwave fluidized roasting |
| 01/19/2011 | CN101525694B Separation process for material containing lead, antimony, copper, bismuth and silver |
| 01/12/2011 | CN101942575A Production method of continuous antimony smelting by bottom blowing bath smelting of stibnite and device thereof |
| 01/12/2011 | CN101942567A Method for removing arsenic and antimonic from anode sludge containing polyvalence composite type arsenic-antimonic compound |
| 01/05/2011 | CN201697445U Reverberatory furnace for smelting antimony-doped material |
| 01/05/2011 | CN101935767A Method for preparing high-purity arsenic |
| 01/05/2011 | CN101935766A Method and device for smelting jamesonite by bottom-blowing pool |
| 01/04/2011 | CA2503021C The non-pollution process of extracting arsenic in vacuum and the equipment thereof |
| 01/04/2011 | CA2503016C The process for extracting gold in arsenic-containing concentrate of gold and the equipment thereof |
| 12/30/2010 | US20100326237 Composition of matter tailoring: system i |
| 12/29/2010 | CN101928843A Method for distilling and reclaiming arsenic in direct-current ore heating furnace |
| 12/29/2010 | CN101928842A Lead removing agent for use in stibium pyrorefining and lead removing method thereof |
| 12/29/2010 | CN101928838A Method for removing and recovering arsenic from lead anode slime |
| 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 | CN101921921A Method for treating arsenic-containing material by using electric arc furnace |
| 12/15/2010 | CN101914694A Refining method of crude bismuth containing high silver and high copper |
| 12/15/2010 | CN101914693A Clean metallurgical method for low-temperature molten salt of antimony |
| 12/01/2010 | CN1911079B Carried type, super-fine, active elemental arsenic, preparation method and use thereof |
| 12/01/2010 | CN101900490A Three-stage automatic conveying system of oxygen for blast furnace cloth bag |
| 12/01/2010 | CN101899574A Method for comprehensively reclaiming arsenic caustic dross and sulfur dioxide flue gas in antimony pyrometallurgical smelting |
| 11/18/2010 | WO2010131686A1 Scorodite-type iron-arsenic compound particles, production method, and arsenic-containing solid |
| 11/18/2010 | CA2758394A1 Scorodite-type iron-arsenic compound particles, production method thereof, and arsenic-containing solid |
| 11/17/2010 | CN101886174A Process for refining high-purity bismuth from bismuth-containing material generated from anode mud recovery |
| 11/17/2010 | CN101570831B Large-sized distillation furnace for producing high purity arsenic |
| 10/27/2010 | CN101503761B Method for separating and recycling valuable metal from pressure leached high sulphur slag |
| 10/13/2010 | CN101857918A Method for purifying and recycling gallium and arsenic in waste gallium arsenide |
| 10/06/2010 | CN101851705A Antimony impurity smelting method and reverberatory furnace for smelting |
| 10/06/2010 | CN101049933B Method for preparing metallic and nonmetallic Nano granules through hydrolysis method for compound containing magnesium |
| 09/22/2010 | CN101838748A Non-fore-bed blast furnace for smelting single antimony ore |
| 09/15/2010 | CN201583123U External crucible-free blast furnace for single-antimony smelting |
| 09/15/2010 | CN101831551A Method for recovering gold, silver, bismuth, stibium and copper from lead anode mud |
| 09/15/2010 | CN101148700B Treatment method for jamesonite and equipment thereof |
| 09/08/2010 | CN101824552A Antimony oxide powder conveying and charging system |
| 09/08/2010 | CN101824551A Dust collecting system of reverberatory furnace |
| 09/01/2010 | CN101821202A Method for treatment of arsenic-containing nonferrous smelting intermediate product |
| 09/01/2010 | CN101818266A Production method for recovering antimony from antimonyoxychloride |
| 09/01/2010 | CN101570832B Process for recovering valuable metals in bismuth-containing material by selective chloride volatilizing method |
| 08/26/2010 | WO2010094841A1 Method for removing arsenic as scorodite |
| 08/26/2010 | CA2753163A1 Method for removing arsenic as scorodite |
| 08/25/2010 | CN101812600A Production technology for one-time tailing combustion in stibium reverberatory furnace |
| 08/18/2010 | CN201555456U Antimony oxygen powder conveying and charging system |
| 08/18/2010 | CN101280368B Stibium blast furnace treatment method using oxygenized air |
| 08/11/2010 | CN201548060U Three-stage automatic oxygen conveying system for cloth bag of blast furnace |
| 08/11/2010 | CN101798636A Process for purifying coarse arsenic |
| 08/11/2010 | CN101798630A Method for extracting coarse bismuth from low-grade bismuth oxychloride slag |
| 08/11/2010 | CN101798629A Method for separating valuable metals from lead anode mud |
| 08/05/2010 | US20100196231 Method Of Processing Non-Ferrous Smelting Intermediates Containing Arsenic |
| 08/05/2010 | US20100196230 Method of processing non-ferrous smelting intermediate containing arsenic |
| 07/29/2010 | WO2010084877A1 Processes for the disposal of arsenic |
| 07/28/2010 | CN101787447A Novel application of polytetrafluoroethylene material |
| 07/28/2010 | CN101570825B Process for selectively preparing bismuth-based nanometer materials from crude bismuth by reduced-pressure evaporation method |
| 07/21/2010 | CN101784489A Method of treating arsenical matter with alkali |
| 07/21/2010 | CN101784488A Method of treating nonferrous smelting intermediary product containing arsenic |
| 07/15/2010 | US20100175509 Method of processing copper arsenic compound |
| 07/13/2010 | US7753987 Wherein heating upper part and lower part of crucible separately using double-heating-wires diffusion furnace under vacuum forms temperature profile for removal |
| 07/07/2010 | CN101768672A Top-blown bath antimony smelting method and bath smelting furnace |
| 06/30/2010 | CN101760612A Method for recovering bismuth from secondary zinc oxide slag |
| 06/23/2010 | CN101413064B Vacuum decomposing apparatus for separating gallium arsenide as metal gallium and metal arsenic |
| 06/16/2010 | CN101743202A Method of treating copper-arsenic compound |
| 06/15/2010 | CA2431403C Process for recovering arsenic from acidic aqueous solution |
| 06/09/2010 | CN101265520B Treatment method for refining lead slag-removed by antimony fire refining process |
| 06/02/2010 | CN1938436B Recovery of metals from oxidised metalliferous materials |
| 06/02/2010 | CN101358298B Desilverization method during bismuth refining procedure |
| 06/02/2010 | CN101225479B Vacuum sublimation purifying method for high-purity arsenic and vacuum sublimation furnace thereof |
| 05/19/2010 | CN101260458B Comprehensive utilization method for high-arsenic pyrite |
| 05/19/2010 | CN101082084B Technique for reclaiming smelting refined bismuth from bismuth slag |
| 05/12/2010 | CN101705378A Method for comprehensively recovering valuable metals from complex alloys containing stibium, tellurium, indium, germanium and silver |
| 05/12/2010 | CN101144125B Industrialized producing method for high-purity arsenic |
| 05/06/2010 | WO2010050462A1 Method of separating arsenic mineral from copper-containing substance with high arsenic content |
| 04/28/2010 | EP2179967A1 Method for treatment of arsenic-containing nonferrous smelting intermediate product |
| 04/21/2010 | EP2177477A1 Method of treating arsenical matter with alkali |
| 04/21/2010 | CN1800423B Process for producing antimony white using slag from lead anode mud processing |