| Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429) |
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| 02/13/2013 | CN102925720A Method for extracting vanadium from shale containing vanadium |
| 02/13/2013 | CN102925719A Method for deep recovery of antimony from arsenic alkali residue leaching solution by using electric potential control |
| 02/13/2013 | CN102925716A Pressurization, water immersion and oxidation preprocessing cyaniding gold extraction method for difficult-processing gold concentrates |
| 02/13/2013 | CN102925706A Method for treating cobalt-nickel-copper hydrometallurgy wastewater residue |
| 02/13/2013 | CN102925703A Method for recycling valuable metals from lead anode slime |
| 02/13/2013 | CN102925701A Method using wet alkaline process of cobalt-nickel (Co-Ni) residue containing arsenic to prepare arsenate |
| 02/13/2013 | CN102925697A Production technology for recovering copper oxide from waste lithium battery |
| 02/13/2013 | CN102925696A Comprehensive recycling method of waste plasma screen |
| 02/13/2013 | CN102925693A A method for extracting metal in waste catalyst RDS / HDS by using acid leaching |
| 02/13/2013 | CN102925690A Method for recovering valuable metals from waste and old Raney nickel catalyst |
| 02/13/2013 | CN102925689A Method for recovering germanium in waste and old germanium-doped fibers |
| 02/13/2013 | CN102925687A Use of TiAl intermetallic compound porous material, and zinc sulfate solution purifying technology |
| 02/13/2013 | CN102925686A Method for selectively separating and extracting vanadium and chromium from solution containing vanadium and chromium |
| 02/13/2013 | CN102925685A Compound solvent for extraction separation of tungsten and molybdenum and using method thereof |
| 02/13/2013 | CN102925684A Method for preparing high-purity vanadium oxide |
| 02/13/2013 | CN102925683A Indium-iron separation method by using persimmontannin |
| 02/13/2013 | CN102925682A Method for extracting gallium-combined aluminium hydroxide from gallium-containing porcelain clay |
| 02/13/2013 | CN102925681A Method for separating valuable components of monazite slags |
| 02/13/2013 | CN102925680A Method for controlling particle size of compressed-leached material of zinc sulfide concentrate |
| 02/13/2013 | CN102925679A Manufacturing method of high-purity gold |
| 02/13/2013 | CN102925678A Corrosion-resistance and abrasion-resistance treatment method of bottom of hydrometallurgical reaction tank |
| 02/13/2013 | CN102925668A Method for leaching out scandium from niobium tailing dressing |
| 02/13/2013 | CN102921959A Method for preparing metal bismuth powder by using microwave hydrothermal method |
| 02/13/2013 | CN102443696B Method for selectively dissolving Cu-Co alloy through catalytic oxidation process |
| 02/13/2013 | CN102268551B Method for producing mischmetal with aluminum oxide red mud |
| 02/13/2013 | CN102199704B Recycling use method of sodium chloride or sodium sulfate in hydrometallurgy |
| 02/13/2013 | CN102162029B Microbiological oxidation and reduction coupling leaching method for valuable metal in manganese oxide ore |
| 02/13/2013 | CN101981233B Process for recovery of valuable metals from scrap IZO |
| 02/13/2013 | CN101298640B Biological-chemical dipolar reactor leaching process |
| 02/12/2013 | US8372360 Controlled metal leach recovery circuit |
| 02/07/2013 | WO2013017162A1 Arrangement for the in-situ measurement of at least the oxygen content within a solid waste dump |
| 02/07/2013 | WO2013017000A1 Pretreatment method in titanium white preparation by recycling acid hydrolysis residue |
| 02/07/2013 | WO2013016813A1 Process for recovering metals by reduction and carbonylation |
| 02/07/2013 | CA2843760A1 Process for recovering metals by reduction and carbonylation |
| 02/06/2013 | EP2553129A1 Low acid leaching of nickel and cobalt from lean iron-containing nickel ores |
| 02/06/2013 | CN202717825U Ionic adsorption type rare earth autochthonous mineral leaching mother solution recycling system |
| 02/06/2013 | CN102918602A Method for treating spent nuclear fuel not requiring a plutonium reductive back-extraction operation |
| 02/06/2013 | CN102918171A Process for production of ferronickel smelting raw material from low grade lateritic nickel ore |
| 02/06/2013 | CN102918170A Apparatus and method for adsorbing and desorbing lithium ions using a ccd process |
| 02/06/2013 | CN102915467A Assessment system for technical advancement of industry of extracting vanadium from stone coal |
| 02/06/2013 | CN102912157A Method for extracting and separating light rare earth |
| 02/06/2013 | CN102912144A Method for leaching vanadium pentoxide from vanadium contained smoke ash |
| 02/06/2013 | CN102912143A Method for comprehensively treating indium-containing lead anode slime through whole wet process |
| 02/06/2013 | CN102912137A Method for recovering cobalt and nickel from waste iron nickel cobalt alloy |
| 02/06/2013 | CN102912135A Method for treating molybdenum removal slag |
| 02/06/2013 | CN102912130A Method for separating vanadium enriched in stone coal leaching solution |
| 02/06/2013 | CN102912129A Method for recycling tungsten in liquids after tungsten smelting exchanges |
| 02/06/2013 | CN102912128A Method for separating and purifying rhodium through anion exchange resin |
| 02/06/2013 | CN102912127A Local-stage aqueous-phase inner circulation device with box-type extraction tank |
| 02/06/2013 | CN102912126A Rotary-type bioreactor |
| 02/06/2013 | CN102912125A Method for separating lead and antimony in antimony-containing lead concentrates |
| 02/06/2013 | CN102912124A Method for recovering nickel, cobalt, manganese and iron by hydrochloric acid leaching of nickel oxide ore |
| 02/06/2013 | CN102912123A Method for decomposing stone coal vanadium ore by aging with sulfuric acid |
| 02/06/2013 | CN102912113A Continuous microwave kiln for producing enrich titanium materials and method for preparing enrich titanium materials thereof |
| 02/06/2013 | CN102296180B Method for separating tungsten, molybdenum and bismuth in bismuth sulfide ore concentrate |
| 02/06/2013 | CN102218437B Recovery method for waste circuit board |
| 02/06/2013 | CN102191371B Method for separating iron and zinc in traditional zinc iron and zinc process |
| 02/05/2013 | US8366801 Atmospheric acid leach process for laterites |
| 02/05/2013 | CA2454812C Method for improving metals recovery using high temperature pressure leaching |
| 01/31/2013 | WO2013016082A1 Method for maintaining the ratio of the oxime to equilibrium modifier concentration in solvent extraction circuits |
| 01/31/2013 | US20130028816 Selective base metals leaching from laterite ores |
| 01/30/2013 | CN202705428U Device for recycling copper from copper contained ferric trichloride waste liquids |
| 01/30/2013 | CN102906287A Device and method for recovering lithium |
| 01/30/2013 | CN102906286A System and method for recycling rare metals |
| 01/30/2013 | CN102899687A Separation and extraction process for crude lead containing indium |
| 01/30/2013 | CN102899496A Insoluble electrode recovery method |
| 01/30/2013 | CN102899493A Method for recovering valuable metals from chlorine leaching displacement tailing solution in production of precious metals |
| 01/30/2013 | CN102899492A Method for utilizing flue gas sulfuric acid |
| 01/30/2013 | CN102899491A Method for floating and separating high-concentration iron ions from zinc sulfate leachate |
| 01/30/2013 | CN102899490A Jetting self-suction type air catalytic oxidation method for iron and arsenic removal and device |
| 01/30/2013 | CN102899489A Method for recovering gold from electronic wastes by using solidified persimmon tannin |
| 01/30/2013 | CN102899488A Resource transforming method for separating rare earth from fluorine by utilizing rare earth ore concentrate hydrochloric leachate |
| 01/30/2013 | CN102899487A Process for leaching vanadium out of stone coal by using oxidant and sulfuric acid |
| 01/30/2013 | CN102899486A Method for leaching bastnaesite-containing rare-earth ore concentrates in complexing mode and preparing kryocide |
| 01/30/2013 | CN102899485A Method for extracting scandium from scandium-containing material by resin-in-pulp method |
| 01/30/2013 | CN102895952A Porous carbon material capable of selectively absorbing gold ions, preparation method and application of porous carbon material |
| 01/30/2013 | CN102181668B Combined extraction method for arsenic in high-arsenic manganese ore tailings |
| 01/30/2013 | CN102134648B Method for comprehensive treatment of industrial waste |
| 01/30/2013 | CN102031370B Arsenic salt purified cobalt slag seed crystal, and purification method and application thereof |
| 01/30/2013 | CN101970700B Application of aqueous solution of magnesium bicarbonate and/or calcium bicarbonate in the process of extraction separation and purification of metals |
| 01/30/2013 | CN101880773B Manufacturing process for producing synthetic reducing agent by using waste slag of electrolytic manganese and application of synthetic reducing agent |
| 01/29/2013 | US8361192 Methods and systems for recovering rhenium from a copper leach |
| 01/29/2013 | US8361191 Low acid leaching of nickel and cobalt from lean iron-containing nickel ores |
| 01/29/2013 | CA2783047A1 Method for the recovery of uranium from pregnant liquor solutions |
| 01/24/2013 | WO2013011901A1 Method for separating/collecting rare earth element, and apparatus for separating/collecting rare earth element |
| 01/24/2013 | WO2013010263A1 Methods for separating iron ions from aluminum ions |
| 01/24/2013 | WO2012078019A4 Electrorecovery of gold and silver from thiosulphate solutions |
| 01/24/2013 | CA2842084A1 Methods for separating iron ions from aluminum ions |
| 01/23/2013 | EP2548981A1 Low -dose tin or tin alloy and method for producing same |
| 01/23/2013 | EP2548979A1 Method for maintaining the ratio of the oxime to equilibrium modifier concentration in solvent extraction circuits |
| 01/23/2013 | EP2547802A1 Method of processing nickel bearing raw material |
| 01/23/2013 | EP2547435A1 Reactor and a method of purifying a process solution |
| 01/23/2013 | CN202688401U Bridge type extraction box |
| 01/23/2013 | CN202688400U Device for adjusting heights of two phases in large-sized extracting and clearing groove |
| 01/23/2013 | CN202688399U Device for purifying and cobalt removal from high-cobalt zinc sulfate solutions |
| 01/23/2013 | CN202688398U Leaching tank for nickel ore hydrometallurgy |
| 01/23/2013 | CN202683098U Mixing machine for wet metallurgy of nickel mineral |
| 01/23/2013 | CN102892907A Process for the recovery of metals and hydrochloric acid |
| 01/23/2013 | CN102892708A Process for the production of lithium carbonate |
| 01/23/2013 | CN102888513A Method of fully separating copper, manganese, zinc, cobalt and calcium chloride solution |