| Patents for C22B 30 - Obtaining antimony, arsenic or bismuth (1,043) |
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| 01/22/2014 | CN103526049A Arsenic removal method used in pyrometallurgucal process for antimony |
| 01/22/2014 | CN103526048A Method for separating lead and antimony from jamesonite |
| 01/15/2014 | CN103509945A Method for recovering arsenic from arsenic-enriched plant |
| 01/08/2014 | EP2682487A1 Comprehensive recovery method for complex material containing arsenic and valuable metal slags |
| 01/08/2014 | CN203382810U Oxygen-rich oxidation-reduction furnace |
| 01/08/2014 | CN102517439B Method for selectively roasting and separating tin, zinc and arsenic in compound iron ore containing tin, zinc and arsenic |
| 01/01/2014 | CN103484694A Method for extracting bismuth from copper-bismuth concentrate |
| 01/01/2014 | CN103484693A Harmlessness method for treating arsenic in antimony oxide |
| 12/25/2013 | CN203360531U Vacuum distillation furnace used for zinc desilverization |
| 12/18/2013 | CN103451431A Method for extracting arsenic and precious metals from dead catalysts containing precious metals |
| 12/11/2013 | CN102586627B Method for recovering bismuth from bismuth slag |
| 12/10/2013 | US8603216 Extraction of gallium and/or arsenic from gallium arsenide |
| 12/04/2013 | CN203320089U Antimony powder converting furnace |
| 12/04/2013 | CN103421702A Bacteria Lysinibacillus sp. for adsorbing gold and antimony |
| 12/04/2013 | CN102787246B Smelting production method and device of antimony trioxide |
| 11/28/2013 | US20130315804 Fly Ash and Fly Ash Leachate Treatment |
| 11/27/2013 | CN203307403U Continuous material charging device for high-pure-arsenic production |
| 11/27/2013 | CN203307402U Blowpipe of antimony powder melting furnace |
| 11/27/2013 | CN203307401U Antimony powder reverberating furnace |
| 11/27/2013 | CN103415634A Extraction of gallium and/or arsenic from gallium arsenide |
| 11/27/2013 | CN103409625A Method for removing arsenic from acid solution |
| 11/27/2013 | CN102965499B Method for extracting valuable element in arsenic salt purification slag from zinc hydrometallurgy |
| 11/27/2013 | CN102747229B Method for separating and recycling valuable metals in powder rich in multiple metals of waste circuit board |
| 11/20/2013 | CN103397206A Method for wet processing of antimony trioxide powder with high arsenic content |
| 11/20/2013 | CN103397191A Method for comprehensively efficiently processing lead anode slime by using top-blown converter |
| 11/20/2013 | CN103397182A Method for efficiently recycling bismuth from monomer bismuth ore |
| 11/20/2013 | CN103397180A Method for recovering tellurium, bismuth, antimony, and copper from complex material |
| 11/13/2013 | CN103388085A High-purity arsenic preparation method |
| 11/13/2013 | CN103388076A Method for recovering elementary substance arsenic from arsenic sulfide slag |
| 11/06/2013 | CN102925719B Method for deep recovery of antimony from arsenic alkali residue leaching solution by using electric potential control |
| 11/06/2013 | CN102618730B Process for separating materials containing indium, lead, silver, copper and bismuth |
| 10/30/2013 | CN102690946B Method for comprehensively extracting valuable metals from tellurium-containing polymetallic materials |
| 10/23/2013 | CN102534228B Method for comprehensively recovering valuable elements from high-arsenic-containing copper smelting soot |
| 10/09/2013 | CN103343242A Method for interactively roasting bismuth sulfide ore and pyrolusite to extract bismuth and co-produce manganese sulfate |
| 10/08/2013 | CA2605005C Method for the recovery of valuable metals and arsenic from a solution |
| 10/02/2013 | CN103334018A Method for extracting antimony and bismuth from lead anode mud |
| 09/18/2013 | CN103307890A Method and system for recycling arsenic from smoke gas |
| 09/18/2013 | CN103305707A Method for smelting bismuth-molybdenum or bismuth-tungsten concentrates |
| 09/18/2013 | CN103305696A Method for treating alkaline gold-extraction tailings by utilizing acid making tail gas |
| 09/11/2013 | CN103292606A Method for recycling arsenic from fume gas |
| 09/11/2013 | CN103290237A Arsenic lead alloy synthesis and sublimation integral furnace used for producing high-purity arsenic |
| 09/11/2013 | CN103290236A Method for deep deleading and lead regeneration by fire refining of crude antimony and applications of metaphosphate |
| 09/11/2013 | CN103290221A Method for recovering copper, arsenium and antimony from black copper sludge |
| 09/11/2013 | CN102560150B Efficient lead removing agent for fire refining antimony and preparation method and application of efficient lead removing agent |
| 09/04/2013 | CN103276225A Apparatus and process method for preparing simple substance arsenic by continuously reducing arsenic oxide |
| 09/04/2013 | CN103276217A Comprehensive recycling process for polymetallic material containing gold and silver |
| 08/28/2013 | EP2630266A1 Method for treating arsenic containing materials |
| 08/28/2013 | CN102757022B Technology for extracting tellurium product and valuable metal from lead anode slime |
| 08/21/2013 | CN203144499U Stibium smelting device |
| 08/21/2013 | CN103255289A Method for removing arsenic matte by alkaline leaching at oxygen pressure and recovering arsenic |
| 08/14/2013 | CN103243225A Method for selectively separating bismuth and lead in lead and bismuth concentrate by smelting in bath |
| 08/07/2013 | CN103233129A Wet-process open treatment method of arsenic in copper ashes |
| 07/24/2013 | CN103215453A Method for treating waste residue by using arsenious wastewater in clean mode |
| 07/18/2013 | WO2013104045A1 Method for selective precipitation of iron, arsenic and antimony |
| 07/17/2013 | CN103205576A Method for treating lead anode slime |
| 07/17/2013 | CN102690955B Method for comprehensively recycling valuable metals from lead anode slime by oxygen pressure treatment |
| 07/10/2013 | CN103194605A Treatment method for polymetallic alloy formed by arsenic-lead-antimony and noble metal |
| 07/03/2013 | CN103184355A Preparation method of high purity bismuth |
| 07/03/2013 | CN103184354A Preparation method of high-purity arsenic |
| 07/03/2013 | CN103184353A Preparation method of high-purity antimony |
| 07/03/2013 | CN103184339A Gallium arsenide processing device and processing method |
| 06/26/2013 | CN103173637A Antimony sulfide concentrate oxygen-enriched melting tank melting method and side-blown furnace |
| 06/26/2013 | CN103173636A Antimony sulfide concentrate oxygen-enriched melting tank melting method |
| 06/26/2013 | CN103173618A Antimony-gold ore melting product electrically-heated settler and antimony-gold ore melting product separation method |
| 06/19/2013 | CN103159978A Processing method of flame retardant plastic containing halide and antimony oxide |
| 06/19/2013 | CN102417988B Process for comprehensively utilizing copper sulphonium and slag produced during bismuth smelting |
| 06/19/2013 | CN102392136B Process for comprehensively recovering high arsenic polymetallic material |
| 06/12/2013 | CN103146936A Oxygen-rich redox furnace |
| 06/12/2013 | CN103146928A Method for processing anode mud with high Ag, Bi and Pb by using full wet method |
| 06/12/2013 | CN102560132B Method for treating selenium alkali residues in antimony pyro-refining |
| 06/05/2013 | CN103131869A Extraction method for high-lead high-silver arsenious complex gold concentrate |
| 05/29/2013 | CN103121107A Bismuth (Bi) simple substance nanometer structure material and preparation method and application thereof |
| 05/29/2013 | CN102321814B Molten pool melting method of bismuth sulphide concentrate |
| 05/22/2013 | CN103114212A Device and method for smelting antimony |
| 05/22/2013 | CN103114206A Method and device for recovering valuable elements from lead-silver-bismuth slag in copper smelting |
| 05/15/2013 | CN103103367A Copper removing method for bismuth refining |
| 05/08/2013 | CN102586604B Technology for wet-processing anode mud containing arsenic and lead |
| 05/01/2013 | CN202913042U Refining device for extracting antimony from residues of bullion lead |
| 05/01/2013 | CN202913038U Reverberatory furnace for extracting antimony white from anode slime |
| 05/01/2013 | CN102534237B Environment-friendly treatment method for aluminum slag from tin smelting |
| 05/01/2013 | CN102174672B Beneficiation method for high armangite |
| 04/25/2013 | WO2013056457A1 Vacuum refining furnace for nonferrous metal multicomponent alloys |
| 04/24/2013 | CN103060578A Method for smelting lead-bismuth concentrate in oxygen-rich side-blown duplex furnace |
| 04/24/2013 | CN103060570A Sludge valuable ingredient extraction method |
| 04/24/2013 | CN102382989B Method for dearsenization through hot leaching of arsenic alkali residue water |
| 04/17/2013 | CN202885498U Energy conversation and environmental friendliness type purifying furnace |
| 04/17/2013 | CN102363842B Process for recovering arsenic comprehensively by two-section roasting of arsenic-containing and carbon-containing gold concentrates |
| 04/10/2013 | CN103031442A Method for comprehensively utilizing arsenious waste liquor produced in copper-smelting process |
| 04/10/2013 | CN103031436A Technology for leaching arsenic sulfide residues by ferric iron regenerated through biological oxidation |
| 04/10/2013 | CN102586626B Method for volatilizing, calcining and smelting antimony oxide powder |
| 04/03/2013 | CN103014357A Method for recovering arsenic from arsenic soot |
| 04/03/2013 | CN103014355A Multi-metal comprehensive recycling process for copper smelting ash |
| 04/03/2013 | CN103014349A Process for recycling bismuth from gas sludge to prepare BiOCl (Bismuth Oxychloride) |
| 04/03/2013 | CN102534258B Method for preparing indium and bismuth from coarse bismuth-containing indium |
| 04/03/2013 | CN102031381B Process for preparing sodium pyroantimonate from arsenic- and stibium-containing smoke ash |
| 03/27/2013 | CN202830132U High-temperature smelting furnace for smelting antimony trioxide |
| 03/27/2013 | CN102994766A Method for comprehensively recovering valuable metal from copper tellurium slag |
| 03/27/2013 | CN102994754A Technology for comprehensively recovering complex material containing lead, bismuth, cobalt and nickel through wet method |
| 03/20/2013 | CN102620552B Vertical volatilization furnace for antimony-oxygen powder smelting |
| 03/14/2013 | WO2013034049A1 Comprehensive recovery method for complex material containing arsenic and valuable metal slags |