| Patents for C22B 30 - Obtaining antimony, arsenic or bismuth (1,043) |
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| 06/27/2012 | CN102517459A Method for removing cadmium and ferrum from crude antimony by using metaphosphoric acid |
| 06/27/2012 | CN102517449A Comprehensive recycling technique of valuable elements in smelting soot |
| 06/27/2012 | CN102517439A Method for selectively roasting and separating tin, zinc and arsenic in compound iron ore containing tin, zinc and arsenic |
| 06/27/2012 | CN101935766B Method and device for smelting jamesonite by bottom-blowing pool |
| 05/23/2012 | CN101914693B Clean metallurgical method for low-temperature molten salt of antimony |
| 05/16/2012 | EP2174912B1 Method of removing arsenic from smelting residues comprising copper-arsenic compounds |
| 05/02/2012 | CN102433448A Smelting method of lead concentrate containing antimony and zinc |
| 05/02/2012 | CN102433445A Technology for transforming lead silver chlorine salt system into carbonate system |
| 05/02/2012 | CN102433440A Valuable recovery method of arsenic in high-arsenic metallurgy waste materials |
| 04/26/2012 | WO2012051652A1 Method for treating arsenic containing materials |
| 04/26/2012 | CA2814871A1 Method for treating arsenic containing materials |
| 04/25/2012 | CN102002597B 一种从低品位碲渣中综合回收有价金属的方法 A comprehensive recovery of valuable metals from low-grade tellurium slag method |
| 04/18/2012 | CN102421708A Scorodite-type iron-arsenic compound particles, production method, and arsenic-containing solid |
| 04/18/2012 | CN102417988A 一种综合利用铋熔炼产出的铜锍、炉渣的工艺 One kind of output utilization of bismuth copper matte smelting slag process |
| 04/18/2012 | CN102041399B 锑火法精炼除铅剂及应用 Fire refining antimony removal of lead agent applications |
| 04/11/2012 | CN101935767B 一种高纯砷的制备方法 A process for preparing high-purity arsenic |
| 04/04/2012 | EP2179967B1 Method for treatment of arsenic-containing nonferrous smelting intermediate product |
| 04/04/2012 | EP2174913B1 Method of treating nonferrous smelting intermediate products containing arsenic |
| 03/28/2012 | CN202175705U 无前床鼓风炉锑锍槽 No antimony before bed blast furnace matte groove |
| 03/28/2012 | CN102392136A Process for comprehensively recovering high arsenic polymetallic material |
| 03/21/2012 | EP2431331A1 Scorodite-type iron-arsenic compound particles, production method, and arsenic-containing solid |
| 03/21/2012 | CN202170356U 无前床鼓风炉炉腹水箱风嘴 No ascites before bed blast furnace tuyeres box |
| 03/21/2012 | CN102382992A Method for treating high-antimony low-silver-tin anode slime |
| 03/21/2012 | CN102382989A Method for dearsenization through hot leaching of arsenic alkali residue water |
| 03/14/2012 | CN102373342A Purification method for waste arsenic materials |
| 03/14/2012 | CN102373337A Process for processing complex gold ore containing copper and arsenic |
| 03/07/2012 | CN101818266B Production method for recovering antimony from antimonyoxychloride |
| 02/29/2012 | CN102363842A Process for recovering arsenic comprehensively by two-section roasting of arsenic-containing and carbon-containing gold concentrates |
| 02/29/2012 | CN102363839A Process for recovering silver, lead and bismuth from silver-bearing soot comprehensively |
| 02/15/2012 | CN102352440A Method for recovering palladium sponge and bismuth from multi-metal catalyst utilized in sodium gluconate production |
| 02/08/2012 | CN202141348U 铋精炼锅烟气收尘装置 Bismuth refining pot smoke dust collection device |
| 02/08/2012 | CN202139286U 一种真空炉用砷收集器 A vacuum furnace with arsenic collector |
| 02/08/2012 | CN102345016A Method for recovering arsenic and heavy metals from contaminated acid generated by metallurgical off-gas |
| 02/08/2012 | CN101560606B 一种贵铅物料真空蒸馏脱铅的方法 One kind of material you lead off the lead vacuum distillation method |
| 01/25/2012 | CN102330108A Method for treating sodium arsenate composite salt solution in antimony smelting arsenic alkaline residue |
| 01/25/2012 | CN102329969A Refining method of high-tellurium crude bismuth |
| 01/25/2012 | CN102328918A Wet process for separating tellurium from complex polymetallic sponge bismuth material |
| 01/18/2012 | CN202116629U Induction heating arsenic removal rotary kiln |
| 01/18/2012 | CN102321814A Molten pool melting method of bismuth sulphide concentrate |
| 01/18/2012 | CN102321813A Method for preparing raw arsenic by vacuum carbon thermal reduction of arsenic trioxide |
| 01/18/2012 | CN102321804A Wet separation technology for material containing lead, bismuth and molybdenum |
| 01/04/2012 | CN202099361U Arsenious sulfide ore roasted smoke wet-process arsenic reclaiming device |
| 01/04/2012 | CN102307813A Method for removing arsenic as scorodite |
| 01/04/2012 | CN102304621A Process for separating out Sn, Bi, Cu and Zn from Sn-Bi waste material |
| 12/28/2011 | EP2398739A1 Method for removing arsenic as scorodite |
| 12/28/2011 | CN102296185A 一种高效多功能除杂剂及其在锑火法精炼法中的应用 An efficient multi-agent and its application in antimony impurity fire refining law |
| 12/28/2011 | CN102296180A 一种分离硫化铋精矿中钨钼和铋的方法 A method of separating bismuth sulfide concentrate tungsten molybdenum and bismuth |
| 12/14/2011 | CN101942575B Production method of continuous antimony smelting by bottom blowing bath smelting of stibnite and device thereof |
| 12/13/2011 | US8075868 Iron arsenate powder |
| 12/07/2011 | CN101928838B 一种从铅阳极泥中脱除和回收砷的方法 Removal and recovery of arsenic from a lead anode mud Methods |
| 11/30/2011 | CN102260798A 一种回收银锌渣中银和铋的方法 Method for recovering silver dross of silver and bismuth |
| 11/23/2011 | CN102251127A Comprehensive wet recovery method for removing lead slag from stibium through pyrorefining |
| 11/23/2011 | CN102251126A Method for removing arsenic impurities from tin |
| 11/23/2011 | CN101948954B Gold recovery technology for processing arsenious S-C gangue coated gold concentrate by microwave fluidized roasting |
| 11/16/2011 | CN202039111U Single-port blow pipe with sector air outlet |
| 11/16/2011 | CN102242271A Method for preparing bismuth oxide from bismuth-containing solution with high concentration of copper |
| 11/09/2011 | CN101956065B Feeding and pelletizing system for smelting antimony |
| 11/03/2011 | WO2011135991A1 Valuable metal recovery method |
| 10/27/2011 | WO2011132729A1 Method for producing crystalline iron arsenate starting material liquid from smoke and ash |
| 10/27/2011 | WO2011132705A1 Treatment agent and treatment method for contaminated water containing heavy metals |
| 10/19/2011 | CN202011897U Comprehensive smelting furnace for performing bottom blowing and flash oxidation on antimony ores |
| 10/12/2011 | CN102212706A Method for extracting arsenic metal from arsenic trioxide material by two-stage carbon reduction |
| 09/28/2011 | CN102199708A Method for treating arsenic-alkali residue generated in antimony smelting |
| 09/21/2011 | CN201981248U 锑闪速氧化冶金炉 Flash antimony oxide metallurgical furnace |
| 09/21/2011 | CN201981247U 一种高效冶炼炉 An efficient smelting furnace |
| 09/15/2011 | WO2011110148A1 Method and device for processing flue dust |
| 09/15/2011 | CA2792380A1 Method and device for processing flue dust |
| 09/14/2011 | CN201971886U 锑底吹鼓风冶金炉 Antimony bottom blowing metallurgical furnace blast |
| 09/14/2011 | CN201971885U 锑矿石底吹氧化粗炼冶金炉 Antimony oxide ore bottom blowing smelting metallurgical furnace |
| 09/14/2011 | CN201971884U 一种带振动器的沉降斗 A tape vibrator settlement bucket |
| 09/14/2011 | CN201971883U 一种带扇状出风口的双口吹风管 A fan with a dual-port blower tube outlet |
| 09/14/2011 | CN102181668A Combined extraction method for arsenic in high-arsenic manganese ore tailings |
| 09/14/2011 | CN102181667A Bottom blowing flash oxidation comprehensive smelting process for antimony ores and special comprehensive metallurgical furnace |
| 09/14/2011 | CN102181644A Method for reclaiming rare noble metals from waste circuit board |
| 09/07/2011 | CN201962337U 一种带检修口的引风管道 The wind pipe of a manhole with |
| 09/07/2011 | CN102174672A Beneficiation method for high armangite |
| 09/07/2011 | CN101537388B Separation method for bismuth-molybdenum-copper-sulfide mixed concentrate |
| 08/31/2011 | CN201952477U 金属砷转化炉 Metal arsenic reformer |
| 08/31/2011 | CN201952476U 大型砷化物还原炉 Large arsenide reduction furnace |
| 08/31/2011 | CN201952475U 一种水冷沉降斗 One kind of water-cooled settlement bucket |
| 08/31/2011 | CN201952474U 一种带手动阀门的y型收尘室进风管 Y-type dust collection chamber with a manual valve inlet duct |
| 08/31/2011 | CN102168189A Antimony bottom blowing blast volatilization smelting technology and antimony bottom blowing blast metallurgical furnace |
| 08/31/2011 | CN102168188A Antimony flotation concentrate flash oxidization primary refining production process and flash antimony metallurgical furnace |
| 08/31/2011 | CN102168187A Bottom-blowing oxidation rough smelting technology for antimony ore and metallurgical furnace |
| 08/31/2011 | CN102168179A Technology for producing Au and Ag from precious Pb by vacuum distillation |
| 08/31/2011 | CN102168176A Comprehensive recycling process for valuable metal roasting-cyaniding gold-containing tailing |
| 08/31/2011 | CN101760612B Method for recovering bismuth from secondary zinc oxide slag |
| 08/24/2011 | CN201945159U 一种集中漏斗式加料器 A centralized hopper feeders |
| 08/24/2011 | CN102162035A Vacuum distillation process for extracting silver from silver zinc slag |
| 08/17/2011 | CN201933133U 一种从粗铋中除银生产高纯铋的装置 From one of the crude production of high purity bismuth, in addition to silver, bismuth device |
| 08/17/2011 | CN101812600B Production technology for one-time tailing combustion in stibium reverberatory furnace |
| 08/03/2011 | CN201915132U System for recycling bismuth silver from bismuth refining slags |
| 08/03/2011 | CN101705378B Method for comprehensively recovering valuable metals from complex alloys containing stibium, tellurium, indium, germanium and silver |
| 07/27/2011 | CN102134652A Process for preliminarily separating antimony from gold in antimony-gold material |
| 07/27/2011 | CN101914694B Refining method of crude bismuth containing high silver and high copper |
| 07/27/2011 | CN101619398B Method for extracting arsenic from pyrite cinder |
| 07/20/2011 | CN101851705B Antimony impurity smelting method and reverberatory furnace for smelting |
| 06/29/2011 | CN102108448A Method for carrying out reduction smelting on antimony oxychloride slag |
| 06/22/2011 | CN101660055B Method for recovering toxic arsenic compounds during metal indium extraction |
| 06/15/2011 | CN101426731B Method for treating arsenic containing solution |