Patents
Sitemap › C22 - Metallurgy; Ferrous or non-ferrous alloys; Treatment of alloys or non-ferrous metals › C22B - Production or refining of metals; Pretreatment of raw materials › C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes
Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429)
11/2010
11/10/2010CN101880770A Application of extractant and method for extracting zinc from ammonia solution
11/10/2010CN101880769A Solid-liquid separation and notable metal recovery process in chemical industry
11/10/2010CN101880768A Method for extracting high-purity manganese dioxide from manganese slag
11/10/2010CN101880767A Process for reducing leached pyrolusite ore by iron powder
11/10/2010CN101880053A Method for preparing oil-free rare earth carbonate
11/10/2010CN101580902B Lime milk neutralization method acid dipping-extraction vanadium extraction technology
11/10/2010CN101532088B Method for recovering zinc and manganese by waste dry batteries and directly preparing desulfurizer for industry
11/10/2010CN101434920B An strain of low temperature leaching-ore bacteria and process for using the same for low temperature heap leaching of nickel sulfide ore
11/10/2010CN101319275B Process for solvent extraction separation purification of rare earth element
11/10/2010CN101177736B Method for bioleaching metal containing sulphidic materials
11/10/2010CN101126164B Method for producing electrolytic zinc from zinc material with high-content of fluorin and silicon dioxide
11/09/2010US7829044 For (back) extracting rare earth metal ions from aqueous solutions
11/09/2010CA2618873C Apparatus for production, withdrawal and transfer of highly viscous slurry
11/09/2010CA2452680C Nickel hydroxide and process for its preparation
11/04/2010WO2010126593A1 Process for recovering metals and metal compounds from mined ore and other metal-bearing raw source materials
11/04/2010WO2010125205A1 Method for producing ferrous sulphate from pyrite ash
11/04/2010CA2760438A1 Process for recovering metals and metal compounds from mined ore and other metal-bearing raw source materials
11/03/2010EP2246405A1 Rare metal extracting agent
11/03/2010EP2245200A1 Method and apparatus for electrowinning copper using an atmospheric leach with ferrous/ferric anode reaction electrowinning
11/03/2010CN201620183U Horizontal agitated reactor oxygen pipeline
11/03/2010CN1940100B Neutralization method of rh hydrochloric acid solution
11/03/2010CN1898401B Production of titania
11/03/2010CN101876008A Method for reducing zinc content of leached residue in zinc hydrometallurgy process
11/03/2010CN101876007A Method for separating rare earth sulfate solution by saponifiable extraction
11/03/2010CN101876006A Microbial column type leaching reactor
11/03/2010CN101876005A Method for extracting aurum from difficult-to-handle sulphide ore aurum concentrate by two-segment pressurization leaching method
11/03/2010CN101876004A Method for recycling rare metal molybdenum from mineral dressing tailings of molybdenum
11/03/2010CN101875004A Chelating resin special for adsorbing of gallium and preparation method and application thereof
11/03/2010CN101597692B Technological method for extracting indium from zinc oxide generated from waste residue from zinc by hydro-smelting
11/03/2010CN101525690B Method for separating and recovering nickel, cobalt, magnesium, iron and silicon from nickel-bearing laterite
11/03/2010CN101270417B Method for extracting nickel and/or cobalt
11/03/2010CN101235442B Copper extracting smelting technique for copper ore dressing tailings
10/2010
10/28/2010WO2010121329A1 Enhanced recovery of gold
10/28/2010WO2010121318A1 Method for processing precious metal source materials
10/28/2010WO2010121317A1 Extraction of gold from cathode associated gold concentrates
10/28/2010US20100272999 Phlegmatized metal powder or alloy powder and method and reaction vessel for the production thereof
10/28/2010CA2760354A1 Method for processing precious metal source materials
10/28/2010CA2760345A1 Extraction of gold from cathode associated gold concentrates
10/28/2010CA2759804A1 Enhanced recovery of gold
10/27/2010CN101871049A Novel technique for extracting gold and silver from ores
10/27/2010CN101871048A Method for recovering cobalt, nickel and manganese from waste lithium cells
10/27/2010CN101871046A Method for recycling heavy metal pollution wastes
10/27/2010CN101871045A Method for producing zinc by utilizing sulphate process titanium dioxide waste acid
10/27/2010CN101503761B Method for separating and recycling valuable metal from pressure leached high sulphur slag
10/26/2010CA2394658C Process for the continuous production of high purity electrolytic zinc or zinc compounds from zinc primary or secondary raw materials
10/21/2010WO2010120405A1 Methods and systems for recoverying rhenium from a copper leach
10/21/2010WO2010118455A1 Method for the treatment of mixed hydroxide product produced in a metal extraction process
10/21/2010CA2758884A1 Methods and systems for recovering rhenium from a copper leach
10/20/2010EP2241656A1 Method of recovering valuable metals from izo scrap
10/20/2010EP2241655A1 Method of recovering valuable metals from izo scrap
10/20/2010EP2241381A1 Method of recycling useful metal
10/20/2010EP2240614A1 Process for the recovery of precious metals from used and/or defective catalytic carriers
10/20/2010CN201610442U 一种气力浸出槽 One kind of pneumatic leaching tank
10/20/2010CN101864524A Clean production technology for processing low-grade laterite-nickel ore by sodium carbonate alkali fusion
10/20/2010CN101864523A Clean production process for processing low-grade laterite-nickel ore by sodium hydroxide alkali fusion method
10/20/2010CN101864519A Method for selectively leaching and separating tin, lead and copper from waste circuit board
10/20/2010CN101435021B Acid heap leaching process for cupric oxide ore
10/14/2010WO2010116167A1 Ionic liquid solvents of perhalide type for metals and metal compounds
10/13/2010CN201605305U 印制电路板蚀刻废液资源化处理装置 Printed circuit board etching waste resource processing device
10/13/2010CN101857923A Method for recovering copper, zinc and iron from sulphide ore calcine pickle liquor containing gold and silver
10/13/2010CN101857917A Method of classified leaching of oxidized ore with abundant mud
10/13/2010CN101857916A Liquid distributing method in tank leaching process
10/13/2010CN101550491B Method for extracting nickel or cobalt from nickel ore with chloridizing roasting-leaching method
10/13/2010CN101469367B Method for recycling titanium dioxide acid hydrolysis residue
10/13/2010CN101463426B Comprehensive utilization method for red mud
10/13/2010CN101280357B Environment-friendly acid leaching-extraction process in waste lithium battery recovery
10/13/2010CN101225476B Process for reclaiming copper from lead copper matte
10/13/2010CN101215638B Method for eluting nickel from nickel-carrying activated carbon by washing powder solution
10/13/2010CN101205572B Technique for extracting germanium from germanium-containing material by pressure leaching
10/12/2010US7811534 leaching copper minerals such as chalcopyrite, bornite, digenite and gangue minerals, in the presence of iron sulfide, to obtain copper sulfide, then smelting to form copper; removal of impurities by floatation
10/12/2010US7811357 Method for recovering rare metals in zinc leaching process
10/12/2010CA2684696C Processes for extracting aluminum and iron from aluminous ores
10/06/2010CN201598320U 一种含金黄铜矿反应装置 A golden copper-containing reaction apparatus
10/06/2010CN201598319U 一种浸出槽 One kind of leaching tank
10/06/2010CN1955279B Sulfur-oxidizing bacteria and their use in bioleaching processes for sulfured copper minerals
10/06/2010CN101855374A High temperature leaching process
10/06/2010CN101855373A Method of recovering noble metals and recovering system for noble metals
10/06/2010CN101509069B Method for selective solvent extraction of heterogenite with full-wet-process
10/06/2010CN101451199B Method for extracting vanadic anhydride from stone coal vanadium ore
10/06/2010CN101434909B Penicillium, as well as preparation method and application
10/06/2010CN101265524B Method for extracting V2O5 from stone coal
10/06/2010CN101260470B Technique for processing low-concentration vanadium-containing pickle liquor
10/06/2010CN101225480B Combined vanadium leaching method for stone coal
10/05/2010CA2508237C A process for the recovery of adsorbed palladium from spent silica
10/05/2010CA2464398C A method for purifying the solution in the hydrometallurgical processing of copper
09/2010
09/30/2010WO2010111548A2 Process for recovering metals from coal liquefaction residue containing spent catalysts
09/30/2010WO2010109078A1 Apparatus and method for removing impurities in connection with liquid-liquid extraction of copper
09/30/2010WO2010108212A1 Method for leaching zinc from a zinc ore
09/30/2010DE202004021710U1 Vorrichtung zur Entfernung von Uran(VI)-Species in Form von Uranylkomplexen aus Wässern Apparatus for the removal of uranium (VI) in the form of -Species Uranylkomplexen from waters
09/30/2010CA2756556A1 Process for recovering metals from coal liquefaction residue containing spent catalysts
09/30/2010CA2756433A1 Method for leaching zinc from a zinc ore
09/30/2010CA2755129A1 Apparatus and method for removing impurities in connection with liquid-liquid extraction of copper
09/29/2010EP2231886A1 Liquid and solid effluent treatment process
09/29/2010CN101845562A Improved device and method for producing electrolytic manganese metal by two-ore method
09/29/2010CN101845561A Process for extracting vanadium from stone coal by acid method by using CaCO3 as neutralizer
09/29/2010CN101845560A Process for extracting vanadium from stone coal by acid method by using leaching agent
09/29/2010CN101845550A Method for extracting aluminum hydroxide and aluminum oxide from side product obtained by preparing magnesium metal by taking aluminum or aluminum alloy as reducing agent
09/29/2010CN101845549A Method for cleaning and converting stone coal
09/29/2010CN101845548A Ozone leaching method for zinc sulfide concentrates at normal pressure
09/29/2010CN101845547A Process for recycling cobalt from cobalt oxide ore
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