| Patents for C22B 11 - Obtaining noble metals (5,080) |
|---|
| 06/22/2011 | EP2336376A1 Method for processing mineral raw material |
| 06/22/2011 | EP2336375A1 Method for the recovery of noble metals |
| 06/09/2011 | US20110132147 Method for thiosulfate leaching of precious metal-containing materials |
| 06/09/2011 | US20110132146 Method and apparatus for recovering indium from etching waste solution containing indium and ferric chloride |
| 06/08/2011 | CN101654739B Method for increasing replacement recovery rate of gold and silver pregnant solution with arsenic |
| 06/07/2011 | CA2480315C Method for the recovery of gold |
| 06/01/2011 | CN102080158A Pyrogenic attack comprehensive recovery process for lead and silver slag leached from bismuth oxide slag |
| 06/01/2011 | CN101793637B Test method of alloy gold containing gold and silver and platinum group metal |
| 06/01/2011 | CN101583729B Method for recovering ruthenium |
| 05/26/2011 | US20110123709 Process for producing pure ammonium perrhenate |
| 05/25/2011 | CN102071324A Process for extracting gold from high-grade gold concentrate |
| 05/25/2011 | CN102071323A Method for producing high-purity gold by utilizing electroplating waste liquid containing gold |
| 05/25/2011 | CN102071319A Method for preparing high-purity silver from silver-containing waste liquid |
| 05/25/2011 | CN102071310A Method for comprehensively utilizing gold and arsenic-containing sulfur concentrate |
| 05/24/2011 | US7947108 Precious metal recovery using thiocyanate lixiviant |
| 05/19/2011 | DE102009060990A1 Method for extracting gold from sea water by microsystem technology and nanotechnology |
| 05/18/2011 | CN102066025A Process for producing powder mixture comprising noble-metal powder and oxide powder and powder mixture comprising noble-metal powder and oxide powder |
| 05/18/2011 | CN102061395A Smelting and separating method of noble lead |
| 05/18/2011 | CN102061385A Defoaming method for bio-metallurgical stirred reactor |
| 05/18/2011 | CN101775501B Method for separating and refining precious metal in K gold |
| 05/18/2011 | CN101273147B Method and device for combusting precious metal-containing materials |
| 05/12/2011 | US20110107874 Method for producing briquette, method for producing reduced metal, and method for separating zinc or lead |
| 05/11/2011 | EP2319114A1 Recycling batteries having basic electrolytes |
| 05/11/2011 | EP1984531B1 Method for recovering gold by halide leaching |
| 05/11/2011 | CN201825996U Rare noble metal recovery device |
| 05/11/2011 | CN102057066A Recovery of rhenium |
| 05/11/2011 | CN102051491A Method for concentrating gold from pyrite inclusion-type gold ore |
| 05/11/2011 | CN102051490A Novel method for recovering silver in high-iron sphalerite |
| 05/11/2011 | CN102051480A Method for preparing elemental gold by utilizing synchronous absorption of persimmon tannins |
| 05/11/2011 | CN101705363B Slot skip type gold extracting process through cyanide carbon pulp competitive adsorption |
| 05/11/2011 | CN101643857B Comprehensive recovery method of complex polymetal sulphide ore containing copper, lead and zinc |
| 05/10/2011 | US7938879 Power generation from solid aluminum |
| 05/05/2011 | WO2011010289A3 Aqueous leaching process for recovery of precious metals with addition of dithiooxamide ligand |
| 05/05/2011 | WO2009037594A3 Process for recovering gold and silver from refractory ores |
| 05/05/2011 | WO2009034482A3 Process for recovering platinum group metals using reductants |
| 05/04/2011 | CN102041393A Silver anode mud treatment process |
| 05/04/2011 | CN102041387A Method for enriching gold and silver by floating anode mud and recycling antimony and bismuth |
| 05/04/2011 | CN101220506B Method for high concentration mass-synthesis of silver nano-wire |
| 04/28/2011 | WO2009069005A3 Microbial pre-treatment of double refractory gold ores |
| 04/28/2011 | WO2009037596A3 Method to improve recovery of gold from double refractory gold ores |
| 04/28/2011 | WO2009037595A3 Process for mercury control during pressure oxidation |
| 04/27/2011 | CN201809417U Noble metal recovery device |
| 04/27/2011 | CN102032799A Moveable arc smoke cover arranged on port of silver-making converter |
| 04/27/2011 | CN102031391A Method for extracting gold from gold mine tailings |
| 04/27/2011 | CN102031390A Process for extracting gold from low-grade difficultly-treatable gold ore containing arsenic and carbon |
| 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 |
| 04/27/2011 | CN102031378A Method for recovering metal silver from waste plasma display panel (PDP) glass plate |
| 04/27/2011 | CN101624648B Reaction system for using NOX to circularly catalyze oxygen to oxidize and pretreat refractory gold ore |
| 04/21/2011 | US20110088512 Method of precious metal recovery |
| 04/20/2011 | CN102021344A Precious metal contained waste liquid recovery processing unit |
| 04/20/2011 | CN102021340A Deep impurity removal technology for coarse gold powder |
| 04/20/2011 | CN102021333A Method to purify precious metals from gold ore using functional mesoporous molecular sieve |
| 04/20/2011 | CN102021316A Two-stage roasting smelting process for arsenic-sulfur gold concentrates |
| 04/20/2011 | CN101812598B Method for simultaneously smelting zinc dipping slag and zinc kiln slag by using blast furnace |
| 04/20/2011 | CN101736159B Method for recovering gold from alkaline waste water |
| 04/20/2011 | CN101603123B Method for solid-phase extraction of gold from alkaline cyanide solution through macroporous adsorption resin |
| 04/19/2011 | CA2424372C Precious metal scavenging from a liquid medium with a functionalised polymer fiber |
| 04/19/2011 | CA2314697C Separation of platinum group metals |
| 04/14/2011 | US20110083531 Selective gold extraction from copper anode slime with an alcohol |
| 04/13/2011 | CN201793690U Environmental-friendly precious metal refiner |
| 04/13/2011 | CN102011013A Secondary oxidation pretreatment process for arsenic, sulphur and carbon-containing difficultly treated gold concentrate |
| 04/13/2011 | CN102011009A Method for removing zinc from zinc hydrometallurgy acidic leaching residue flotation silver concentrate |
| 04/13/2011 | CN102008977A Application of anthraquinone-2-sodium sulfonate in cyaniding and leaching high-grade gold in oxidized ore |
| 04/13/2011 | CN101660048B Multilevel processing technology for recovering and utilizing precious metal wastes or waste liquid |
| 04/13/2011 | CN101255499B Method for solid-phase gold extraction from alkaline cyanide solution |
| 04/12/2011 | US7923072 Silver crystals through Tollen's reaction |
| 04/06/2011 | CN201785463U Air-floating type aerodynamic leaching device |
| 04/06/2011 | CN102002601A Method for extracting gold and silver |
| 04/06/2011 | CN102002600A Environmentally-friendly chlorine water gold-extracting process |
| 04/06/2011 | CN102002596A Process for reclaiming bismuth and silver from bismuth refining slag |
| 04/06/2011 | CN102002589A Method for three-phase extraction one-step separation of platinum, palladium and rhodium from leaching solution of precious metal catalyst |
| 04/06/2011 | CN102002587A Refractory gold concentrate biological oxidizing slag cyaniding and gold-extracting method |
| 04/06/2011 | CN102002584A Method of recovering manganese, lead and silver from zinc electrolyzed anode mud by utilizing acid-making tail gas |
| 04/06/2011 | CN101597769B Normal temperature and pressure quick desorption electrolysis method of gold loaded carbon |
| 04/06/2011 | CN101293282B Silver powder washing method and washing device |
| 04/06/2011 | CN101048539B Single crystal wire and manufacturing method of the same |
| 04/05/2011 | US7918918 Extractants for palladium and method of rapidly separating and recovering palladium using the same |
| 03/30/2011 | EP1922424B1 Method and apparatus for the recovery of metals from refractory mineral ores |
| 03/30/2011 | CN201778089U Chlorine gas conveying control system |
| 03/30/2011 | CN201778088U Oxygen-bottom-blowing silver-smelting furnace |
| 03/30/2011 | CN101292051B Method and apparatus for the recovery of refractory mineral ores |
| 03/23/2011 | CN201770750U Biological preoxidation reactor |
| 03/23/2011 | CN201770548U Waste silver treatment device for silver mirror production line |
| 03/22/2011 | US7910048 Apparatus for plasma synthesis of rhenium nano and micro powders |
| 03/16/2011 | CN201762421U Combined type alluvial gold extracting machine |
| 03/16/2011 | CN101985699A Method for extracting osmium from osmium-containing material |
| 03/16/2011 | CN101985696A Method for extracting iridium from iridium containing materials |
| 03/16/2011 | CN101985691A Method for preparing high-purity gold |
| 03/16/2011 | CN101671777B Multi-metal recovery processing technique of waste liquid generated in germanium producing process |
| 03/09/2011 | CN101705359B Method for recovering silver in silver-containing waste water by biological method |
| 03/08/2011 | CA2424714C Method for thiosulfate leaching of precious metal-containing materials |
| 03/03/2011 | WO2008081324A3 Process for reduced alkali consumption in the recovery of silver |
| 03/02/2011 | CN101983248A Recovery of metal, espacially silver, from metal chlorides by hydrogen reduction |
| 03/02/2011 | CN101982551A Method for resource recovery of valuable metals on waste plasma display panel (PDP) glass by utilizing microorganisms |
| 02/24/2011 | WO2011021696A1 Palladium ion adsorbent and method for separating and recovering palladium using same |
| 02/23/2011 | EP2285994A1 Recovery of rhenium |
| 02/22/2011 | US7892505 Hydrometallurgical process for the treatment of metal-bearing sulfide mineral concentrates |
| 02/22/2011 | US7892480 Dental prosthesis method and alloys |
| 02/16/2011 | CN201748437U Active carbon calcination furnace |