| Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429) |
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| 06/22/2011 | CN201873734U Rotating disc type continuous liquid adding device |
| 06/22/2011 | CN102102150A Method for separating tin from waste tinplate and preparing tin dioxide |
| 06/22/2011 | CN102102149A Leaching solution for leaching ilmenite, hydrochloric acid leaching method and application of leaching residues |
| 06/22/2011 | CN102102148A Recycling method of indium raffinate |
| 06/22/2011 | CN102102085A Acidithiobacillus thiooxidans and heap leaching technology using same of middle-grade and low-grade phosphate ore |
| 06/22/2011 | CN101709369B Method for jointly producing chromium salt and ferrochromium alloy by sintering with wet and fire methods |
| 06/22/2011 | CN101660055B Method for recovering toxic arsenic compounds during metal indium extraction |
| 06/22/2011 | CN101586189B Leaching method for anode material of waste LiCoO battery |
| 06/21/2011 | US7964070 Highly pure hafnium material, target thin film comprising the same and method for producing highly pure hafnium |
| 06/21/2011 | US7964016 Process for extraction of nickel, cobalt, and other base metals from laterite ores by using heap leaching and product containing nickel, cobalt, and other metals from laterite ores |
| 06/21/2011 | US7964015 Metal extraction without cyanide |
| 06/16/2011 | WO2011070219A1 Method and apparatus to create uniform mixing in connection with a hydrometalurgical process |
| 06/16/2011 | CA2780852A1 Method and apparatus to create uniform mixing in connection with a hydrometallurgical process |
| 06/15/2011 | EP2331719A1 Method for the selective acidic dezincification of steel scrap |
| 06/15/2011 | EP2331466A1 A sulfate process |
| 06/15/2011 | CN102099497A Process for controlled homogeneous acid leaching |
| 06/15/2011 | CN102094129A Method for enriching rhenium |
| 06/15/2011 | CN102094128A Method for comprehensively recovering various valuable metals from germanium-containing material by wet process |
| 06/15/2011 | CN102094127A Method for recovering nickel and magnesium elements from high-magnesium low-grade nickel sulfide ore |
| 06/15/2011 | CN102094126A Process for smelting zinc with wet method of high temperature and high acid-jarosite iron removing-iron vitriol slag pickling by two stages |
| 06/15/2011 | CN102094119A Method for preparing electrolytic manganese metal with low-grade pyrolusite wet leaching |
| 06/15/2011 | CN102094118A Agitator blade for improving leaching rate of metal manganese electrolyte |
| 06/15/2011 | CN101838749B Ion exchange extraction vanadium method of vanadium-containing solution |
| 06/15/2011 | CN101736166B Method for extracting zinc from refractory zinc core in hydrometallurgy by dispergator |
| 06/15/2011 | CN101597697B Clean manufacturing technique of extracting vanadium pentoxide from vanadium-contained stone coal |
| 06/15/2011 | CN101426731B Method for treating arsenic containing solution |
| 06/09/2011 | WO2011068859A1 Heap leach operations |
| 06/09/2011 | WO2011067656A1 Method for upgrading combustion ash |
| 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 |
| 06/09/2011 | CA2785299A1 Method for upgrading combustion ash |
| 06/08/2011 | CN102086486A Technological method for removing base metals in rhodium/iridium secondary replacement residues |
| 06/08/2011 | CN102086485A Comprehensive utilization method for vanadium extraction and power generation by using stone coal burned by circulating fluidized bed boiler |
| 06/08/2011 | CN101798639B Method for recovering indium from indium-containing neutralized dregs directly leached from zinc concentrate |
| 06/08/2011 | CN101736155B Method for control oxidation of pyrite in bioleaching process |
| 06/08/2011 | CN101717862B Production process for comprehensively recovering valuable metal of copper, cobalt and iron alloy |
| 06/08/2011 | CN101654739B Method for increasing replacement recovery rate of gold and silver pregnant solution with arsenic |
| 06/08/2011 | CN101638721B Method for extracting and separating cesium ions from aqueous phase |
| 06/08/2011 | CN101451188B Method for separating and purifying cobalt solution by extraction chromatography |
| 06/07/2011 | CA2480315C Method for the recovery of gold |
| 06/03/2011 | WO2011063577A1 Method of washing anode slime from lead-bismuth alloy electrolysis |
| 06/01/2011 | EP2326737A1 A hydrometallurgical method for leaching base metals |
| 06/01/2011 | CN201850295U Equipment for oxidizing, processing and smelting refractory gold ore by supercritical water |
| 06/01/2011 | CN102084034A Electrochemical process for the recovery of metallic iron and sulfuric acid values from iron-rich sulfate wastes, mining residues and pickling liquors |
| 06/01/2011 | CN102084013A Wet chemical method for the sustainable recovery of metals from electronic waste |
| 06/01/2011 | CN102084012A A process for heap leaching of nickeliferous oxidic ores |
| 06/01/2011 | CN102080162A Gallium mud separation method of extracting gallium from pregnant solution using resin adsorption |
| 06/01/2011 | CN102080161A Method for comprehensively recovering tungsten and phosphorus from high phosphorus white tungsten ores |
| 06/01/2011 | CN102080159A Method for comprehensive exploitation and utilization of silicon, magnesium, iron, and nickel in laterite-nickel ore |
| 06/01/2011 | CN102080157A Method for decomposing scheelite |
| 06/01/2011 | CN102079581A Plant restoring method and device of uranium-polluted water body |
| 06/01/2011 | CN102079580A Plant restoration method for uranium polluted water |
| 06/01/2011 | CN101760652B Technical method for selecting and smelting refractory complex molybdenum ore processed by combined process flow |
| 06/01/2011 | CN101323915B Method for extracting molybdenum and nickel by molybdenum nickel ore whole wet method |
| 05/31/2011 | US7951282 Leaching manganese from an acidic solution of a low-grade manganese dioxide source in the presence of sulfur dioxide forms less than 5 g/L of dithionate ion; depositing electrolytic manganese dioxide by electrowinning after leaching |
| 05/31/2011 | US7951223 Method of separating rhodium from platinum and/or palladium |
| 05/26/2011 | WO2011061408A1 Method for the removal of chloride from zinc sulphate solution |
| 05/26/2011 | US20110123418 Process for Forming High Density Sulfides |
| 05/26/2011 | US20110123392 Ultrasound and acoustophoresis for water purification |
| 05/26/2011 | CA2780322A1 Method for the removal of chloride from zinc sulphate solution |
| 05/25/2011 | CN201842875U High-efficiency air oxidation de-ironing device |
| 05/25/2011 | CN102071325A Neutralization process for wet-process zinc extraction high-acid-leaching low-pollution jarosite |
| 05/25/2011 | CN102071321A Method for extracting vanadium and chromium from vanadium-containing steel slag by high-alkalinity potassium hydroxide |
| 05/25/2011 | CN102071320A Solar cell germanium substrate slice processing liquid waste treatment process |
| 05/25/2011 | CN102071319A Method for preparing high-purity silver from silver-containing waste liquid |
| 05/25/2011 | CN102071318A Purification method of zinc sulfate leaching liquid |
| 05/25/2011 | CN102071317A Composite extracting agent for extracting scandium from red mud hydrochloric acid leachate |
| 05/25/2011 | CN102071316A Three-component separation method of multi-component rare earth |
| 05/25/2011 | CN102071315A Method for separating iron from raffinate in process of extracting scandium from red mud |
| 05/25/2011 | CN102071314A Alkaline earth metal saponification and extraction method of acidic extractant |
| 05/25/2011 | CN102071313A Method for treating tungsten-containing and molybdenum-containing slag produced in ammonium paratungstate production process |
| 05/25/2011 | CN102071312A Method for preparing electrolytic copper foil by utilizing copper-containing metal powder in waste printed circuit board |
| 05/25/2011 | CN102071311A Multisection acid leaching, multistage countercurrent washing and filter pressing integrated system and method |
| 05/25/2011 | CN102071310A Method for comprehensively utilizing gold and arsenic-containing sulfur concentrate |
| 05/25/2011 | CN102070162A Novel method for extracting lithium from salt lake brine |
| 05/25/2011 | CN101660047B Composite extractant, preparation thereof and application thereof in metal indium extraction |
| 05/25/2011 | CN101550492B Method for extracting vanadium pentoxide from vanadium-containing ferro phosphorus |
| 05/25/2011 | CN101538649B Iron removing method for pickle liquor during extraction of vanadium in stone coal |
| 05/25/2011 | CN101538540B Composite mineral-leaching bacteria colony and use of same in biological metallurgy |
| 05/25/2011 | CN101503760B Method for extracting zinc from zinc oxide ore ammonia leaching solution |
| 05/24/2011 | US7947108 Precious metal recovery using thiocyanate lixiviant |
| 05/24/2011 | CA2487754C Heap leaching |
| 05/24/2011 | CA2402456C Process for organic acid bioleaching of ore |
| 05/19/2011 | WO2011059380A1 Process for recovering a valuable metal from a sulfidic material by hydrometallurgy |
| 05/19/2011 | WO2011015991A3 Process for the recovery of metals such as nickel from an iron- containing ore by leaching with acidic sulfate solution |
| 05/19/2011 | US20110113928 Leaching ores |
| 05/19/2011 | US20110113925 Method of and system for processing red mud |
| 05/18/2011 | EP2321438A1 A bench scale pressure reactor unit with data acquisition and control system for chemical leaching of minerals |
| 05/18/2011 | CN201834958U Copper recycling device for leftover material of copper-clad plate |
| 05/18/2011 | CN102066590A Method for the treatment of mixed hydroxide product produced in a metal extraction process |
| 05/18/2011 | CN102066589A Iron precipitation |
| 05/18/2011 | CN102066588A A process for producing high grade blast furnace feed from poor grade iron ore ultra fines |
| 05/18/2011 | CN102061398A Separating and recycling method of indium in hydrochloric acid system |
| 05/18/2011 | CN102061392A Method for extracting scandium from modified red mud by using composite extractant |
| 05/18/2011 | CN102061390A Method for directly producing high-purity electronic level cobaltous sulfate by using cobalt-containing waste |
| 05/18/2011 | CN102061389A Method for recycling arsenium and enriching heavy metals in arsenium-containing metallurgical sludge |
| 05/18/2011 | CN102061387A Two-stage type nickel precipitation method |
| 05/18/2011 | CN102061386A Method for removing iron in leaching liquid of lateritic nickel ore by oxidation |
| 05/18/2011 | CN102061385A Defoaming method for bio-metallurgical stirred reactor |
| 05/18/2011 | CN102061384A Method for concentrating ammonium tungstate solution |