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)
11/2012
11/07/2012CN202516528U Horizontal pressurized reaction kettle
11/07/2012CN102766768A Method for separating valuable metal from zinc smelting acid leaching slags
11/07/2012CN102766766A Non-saponification rare earth extraction separation process
11/07/2012CN102766765A Zinc oxide powder recycling method
11/07/2012CN102766761A Method for extracting vanadium pentoxide from vanadium containing clay ores
11/07/2012CN102766759A Enrichment and recovery method of copper and cobalt by ammonium salt low-temperature roasting of oxidized copper cobalt ore
11/07/2012CN102230083B Method for separating copper from lead copper matte
11/07/2012CN102226234B Integrated reactor suitable for purifying and impurity-removing of pyrolusite leachate
11/07/2012CN102220482B Complex high-silicon copper-cobalt alloy alkaline pretreatment-normal pressure acid leaching process
11/07/2012CN102051480B Method for preparing elemental gold by utilizing synchronous absorption of persimmon tannins
11/07/2012CN102011001B Feeding device and method for cadmium-removing boiling purification tank system
11/07/2012CN101974687B Extraction process for preparing electronic-grade cobalt sulfate from cobalt-containing waste material
11/07/2012CN101962713B Continuous ion exchange device and method for extracting gallium from Bayer mother solution
11/06/2012CA2491894C Metal compound removal
11/04/2012CA2739575A1 Electromagnetic process for increasing aqueous porosity of gold bearing ores
11/01/2012WO2012149163A1 Sieve systems useful for extracting lithium from brine and processes for making and using the sieve systems
11/01/2012US20120274008 Oxygen torch reclamation of metals with nitric acid recovery
10/2012
10/31/2012CN102758091A Treatment method for electroplating sludge
10/31/2012CN102758088A Method for preparing high-density ammonium poly-vanadate and wet vanadium extracting process
10/31/2012CN102758087A Pretreatment method of vanadium-contained extraction stock solution
10/31/2012CN102758086A Method for recovering vanadium oxide from vanadium precipitation supernatant and wet vanadium extracting technology
10/31/2012CN102758083A Method for transforming rare earth concentrated sulfuric acid roasted ores
10/31/2012CN102758082A Process for extracting molybdenum from molybdenum-bearing stone coal
10/31/2012CN102758081A Method for microwave plasma roasting and non-cyanogen gold leaching of sulfur-bearing gold mineral
10/31/2012CN102758080A Method for microwave roasting and non-cyanogen gold leaching of sulfur-bearing gold mineral
10/31/2012CN102758079A Energy-saving optimizing technology for microwave roasting and non-cyanogen gold leaching of sulfur-bearing gold mineral
10/31/2012CN102181627B Method for treating primary low-grade high-phosphorus manganese ore by acid blending curing
10/31/2012CN102061385B Defoaming method for bio-metallurgical stirred reactor
10/31/2012CN101760628B Thiosulfate gold extracting method taking diethylenetriamine as additive
10/26/2012WO2012143394A1 Method for recovery of thallium from an aqueous solution
10/26/2012WO2012142650A1 Phase splitter
10/26/2012WO2012142648A1 Distribution array for use in a settler area of a mixer-settler
10/26/2012CA2830546A1 Phase splitter
10/26/2012CA2830542A1 Distribution array for use in a settler area of a mixer-settler
10/24/2012CN202499889U Treatment device for pressure-leached concentrated sulfuric acid and electrolytic waste liquid in zinc hydrometallurgy production
10/24/2012CN202499888U Discharging device for leached ore solution in zinc sulfide concentrating process of pressurized acid leaching treatment
10/24/2012CN202499887U Buffering device for pressurized acid leaching system
10/24/2012CN102753711A liquid/liquid extraction method for purifying uranium from nitric acid dissolution of natural uranium concentrate
10/24/2012CN102753710A Treatment of minerals
10/24/2012CN102747233A Sulfur concentrate recovery process in pre-cavitation and sulfur flotation of zinc oxidative pressure leaching residue
10/24/2012CN102747229A Method for separating and recycling valuable metals in powder rich in multiple metals of waste circuit board
10/24/2012CN102747226A Method for treating zinc hydrometallurgy waste residue by using alkali ammonium sulfur coupling method
10/24/2012CN102747225A Method for comprehensively recycling copper, selenium and uranium from stone coal extraction vanadic acid immersion liquid
10/24/2012CN102747224A Process for recovering organic matters from copper extraction floccules
10/24/2012CN102747223A Method for extracting tungsten from tungsten mineral by using soda and adopting high-pressure leaching process
10/24/2012CN102747222A Composite ammonium salt leaching agent for preventing landslide in in-situ leaching of ion absorpt deposit
10/24/2012CN102745657A Method for extracting tellurium from tellurium copper slags
10/24/2012CN102168184B Method for extracting beryllium oxide from low-grade beryllium ore
10/24/2012CN102102148B Recycling method of indium raffinate
10/24/2012CN102071310B Method for comprehensively utilizing gold and arsenic-containing sulfur concentrate
10/24/2012CN101717858B Method for extracting molybdenum, nickel, vanadium and ferrum from polymetallic black-shale paragentic minerals
10/23/2012CA2557872C Exothermic pressure leach autoclave circuits
10/18/2012WO2012140998A1 Method for recovering heavy rare earth element
10/18/2012WO2012140284A1 Hydrometallurgical method for the recovery of zinc in a sulphur medium from sulphured zinc concentrates
10/18/2012WO2012139166A1 Leach process
10/18/2012CA2832512A1 Leach process
10/18/2012CA2813860A1 Hydrometallurgical method for recovery of zinc in sulphuric medium starting from sulphidic zinc concentrates
10/17/2012EP2509709A1 Method and apparatus to create uniform mixing in connection with a hydrometalurgical process
10/17/2012CN102741433A Extraction process
10/17/2012CN102732731A Method for extracting valuable metals and refining zinc sulphate monohydrate from zinc-containing waste material
10/17/2012CN102732727A Method for extracting vanadium from high vanadium-sodium-aluminum-silicon slag
10/17/2012CN102732725A Method for circularly removing impurity chlorine in zinc sulfate solution by using cuprous salt
10/17/2012CN102732724A Method for removing iron from magnesium-containing pickle liquor obtained by leaching of serpentine with titanium dioxide waste acid
10/17/2012CN102732723A Waste acid addition controlling method of zinc wet smelting cobalt-removing purifying process employing arsenic salt
10/17/2012CN102732722A Zinc hydrometallurgy method for removing fluorine and chlorine by extraction
10/17/2012CN102732721A Closed circulation active carbon adsorption system
10/17/2012CN102732720A Method for processing copper oxide ore
10/17/2012CN102732719A Method for purifying molybdenum disulfide by ultrasonic-assisted acid leaching of molybdenite
10/17/2012CN102732718A Method for low temperature treatment of sulfide ore by using air and sulfur dioxide mixed gas
10/17/2012CN102732714A Comprehensive utilization method of copper oxide ores
10/17/2012CN102732713A Method for separating and recovering sediments after processing rhenium molybdenum concentrate-containing high lead
10/17/2012CN102730271A Container for reducing solid sludge deposition and zinc powder-replacing and cadmium-removing device
10/17/2012CN102230087B Method for recovering copper from lead smelting furnace slag
10/17/2012CN102220488B Method for separating tombarthite from phosphorus ore
10/17/2012CN102191384B Method for extracting gallium from fly ash
10/17/2012CN102181653B Method for recovering germanium from germanium-containing smoke dust
10/17/2012CN102168172B Technology for extracting and separating boron-ferrum-magnesium from paigeite
10/17/2012CN102154565B Method for extracting gallium from pulverized fuel ash
10/17/2012CN101942679B Method for preparing, pre-treating and dispersing superfine copper powder
10/17/2012CN101899567B Ore pressure leaching process
10/16/2012US8287623 Method of heap or dump leaching of copper from copper sulfide ore
10/16/2012US8287619 Process and equipment for the production of direct reduced iron and/or pig iron from iron ores having a high-phosphorus content
10/16/2012US8287618 Method or process for recovering Mo, V, Ni, Co and Al from spent catalysts using ultrasonic assisted leaching with EDTA
10/16/2012CA2536142C Iron oxide precipitation from acidic iron salt solutions
10/11/2012WO2012138419A1 Mof nanocrystals
10/11/2012WO2012137727A1 Method for separating and recovering rare earth elements
10/11/2012WO2012137495A1 Method for recovering rare earth metals
10/11/2012WO2012136154A1 Heater and heating method for wet extraction tank
10/10/2012CN202482393U Extracting agent saponification and preparation system
10/10/2012CN202482392U Three-dimensional lixivium gathering system with bottom anti-seepage for mine dump leaching field
10/10/2012CN202482391U Noise attenuation and shock absorption device
10/10/2012CN102719685A Separation and extraction technology for enriching thulium lutetium in thulium ytterbium lutetium reducing slag
10/10/2012CN102719678A Pretreatment method for acidifying roasting slag of high-sulfur high-arsenic refractory gold concentrate
10/10/2012CN102719674A Method for extracting rare earth from oxidized neodymium iron boron waste
10/10/2012CN102719673A Reactor for continuously leaching valuable metal of electroplating sludge and leaching method thereof
10/10/2012CN102719672A Method for treating underflow slag of wastewater with sedimentated vanadium and hydrometallurgical vanadium extraction process
10/10/2012CN102719671A Method and device for deeply removing copper of nickel thiocarbonate from nickel-containing solution
10/10/2012CN102719670A Method for purifying liquid after arsenic sedimentation by adopting sulfuric acid cinder
10/10/2012CN102719669A Process for vulcanizing and modifying low-grade oxidized copper ore by using biological vulcanizing agent
10/10/2012CN102719668A Technology for extracting zinc, lead and silver step by step by processing zinc-leached residues by full wet process
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