| Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429) |
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| 01/23/2013 | CN102888512A Impurity removing method of vanadium solution |
| 01/23/2013 | CN102888511A Iron removal method of hydrometallurgical acidic leaching solution |
| 01/23/2013 | CN102888510A Method for preparing manganese sulfate solution from low-grade manganese oxide by reducing leaching at normal temperature and pressure |
| 01/23/2013 | CN102433439B Method for recovering rhenium from arsenic filter cake |
| 01/23/2013 | CN102230084B Coated biological oxidation pretreatment method of low-level arsenic refractory gold ores |
| 01/23/2013 | CN102181634B Process for controlling alkalinity in large-scale dump leaching production process of oxidized gold ores |
| 01/23/2013 | CN101906539B Method for removing impurity tungsten from cobalt solution |
| 01/22/2013 | US8357227 Method for the purification of copper chloride solution |
| 01/22/2013 | US8357226 Method for separating zinc, iron, calcium, copper and manganese from the aqueous solutions of cobalt and/or nickel |
| 01/16/2013 | EP2546203A1 Method for wastewater treatment for wastewater containing aluminum, magnesium and manganese |
| 01/16/2013 | CN202671624U Rare earth-extracted emulsion treatment separating device |
| 01/16/2013 | CN202671623U Water level automatic knockout device |
| 01/16/2013 | CN202671622U Re-extraction organic phase subcritical flow clarifying tank |
| 01/16/2013 | CN202671621U Alkaline hydrolysis tank for rare earth production |
| 01/16/2013 | CN202671620U Discharging device applicable to outlet pipeline of washing tank |
| 01/16/2013 | CN202666727U Bidirectional stirring device for leaching tank |
| 01/16/2013 | CN202666719U Oxidation tank with high material utilization ratio |
| 01/16/2013 | CN202666459U Lift stirring device for leaching tank |
| 01/16/2013 | CN202666458U Leaching tank stirring device with defoaming function |
| 01/16/2013 | CN1921941B Method for recovering molybdenum and method for preparing catalyst |
| 01/16/2013 | CN102876906A Method for extraction and separation of tungsten and molybdenum from tungsten and molybdenum mixed solution |
| 01/16/2013 | CN102876904A Method for leaching beryllium from beryllium minerals of bertrandite |
| 01/16/2013 | CN102876897A Recovery and purification method of manganese dioxide in electrolytic manganese anode mud |
| 01/16/2013 | CN102876896A Method for recovering vanadium by decomposing vanadium extraction tailings by using sodium hydroxide solution |
| 01/16/2013 | CN102876895A Method for recycling vanadium and chromium from low-concentration pentavalent vanadium and hexavalent chromium mixed liquor |
| 01/16/2013 | CN102876894A Method for extracting and separating rare earth elements in hydrochloric acid system |
| 01/16/2013 | CN102876893A Method for extracting and separating rare earth elements in sulfuric acid system |
| 01/16/2013 | CN102876892A Method for leaching nickel and cobalt form low-iron and high-magnesium and high-iron and low-magnesium laterite-nickel ore by using waste dilute sulphuric acid |
| 01/16/2013 | CN102876891A Method for recycling uranium in beryllium and uranium ores by agitation leaching |
| 01/16/2013 | CN102876890A Method for recovering uranium from beryllium uranium ore with wet process |
| 01/16/2013 | CN102876889A Method for extracting rare earth from rare-earth-contained apatite ores |
| 01/16/2013 | CN102876888A Zinc hydrometallurgy production process |
| 01/16/2013 | CN102876887A Method for comprehensively recycling metal from laterite-nickel ore leaching agent |
| 01/16/2013 | CN102876885A Method for comprehensively recycling chlorine containing materials by means of water vapor activation and microwave roasting |
| 01/16/2013 | CN102874852A High-activity magnesite powder and manufacturing method thereof and method for reclaiming nickel cobalt from laterite nickel ores |
| 01/16/2013 | CN102154547B Method for decomposing scheelite with ammonium salts |
| 01/16/2013 | CN102140578B Molybdenum-tungsten separating process for molybdenum-tungsten mixed ammonium salt solution in tungsten hydrometallurgy |
| 01/10/2013 | WO2012156894A3 Membrane solvent extraction process |
| 01/09/2013 | EP2543746A1 Hydrometallurgical method for the recovery of zinc in a sulphur medium from sulphured zinc concentrates |
| 01/09/2013 | EP2543745A1 Method for controlling solids/liquid decant unit operations and systems |
| 01/09/2013 | EP2542708A2 Method of metals recovery from refinery residues |
| 01/09/2013 | CN202658208U Equipment for deeply decoppering nickel thiocarbonate |
| 01/09/2013 | CN202658207U Device for deeply removing copper from nickel-containing solution by nickel thiocarbonate |
| 01/09/2013 | CN202658206U Large system copper extraction tank |
| 01/09/2013 | CN202658205U Copper extraction loaded organic phase iron washing system |
| 01/09/2013 | CN202658204U Feeding device for immersed reaction tank |
| 01/09/2013 | CN102869764A Novel radioresistant alga of the coccomyxa genus |
| 01/09/2013 | CN102864319A Method for leaching rare earth elements from nickel oxide ore |
| 01/09/2013 | CN102864318A Method for recycling vanadium from acid vanadium-containing solution containing silicon and phosphorus |
| 01/09/2013 | CN102864307A Deep decoppering method by nickel thiocarbonate/nickel-containing solution two-section reflux reaction |
| 01/09/2013 | CN102864306A Method for increasing extraction efficiency of copper in water solution |
| 01/09/2013 | CN102864305A Separation and purification technology of cobalt-copper alloy lixivium |
| 01/09/2013 | CN102864304A Ultrasonic dechlorination method by supplying copper ions with copper oxide ore |
| 01/09/2013 | CN102864303A Method for leaching potassium in phosphorus potassium associated ore at low temperature by assisting with microwaves/ultrasonic waves |
| 01/09/2013 | CN102864302A Method for preventing bonding failure of float level meter in pressure leaching kettle |
| 01/09/2013 | CN102864300A Method for separating molybdenum and tungsten from molybdenum-tungsten concentrate |
| 01/09/2013 | CN102861457A Clarification and separation extracting tank with centrifugal cylinder |
| 01/09/2013 | CN102115816B Comprehensive utilization method for laterite-nickel ore |
| 01/09/2013 | CN102021340B Deep impurity removal technology for coarse gold powder |
| 01/08/2013 | US8349281 Process for sequestrating carbon in the form of a mineral in which the carbon has oxidation number +3 |
| 01/08/2013 | US8349051 Ion exchange resin and a process for the use thereof |
| 01/08/2013 | CA2595475C Method and apparatus for the recovery of refractory mineral ores |
| 01/03/2013 | WO2013002416A1 Manganese recovery method |
| 01/02/2013 | EP2540846A2 Process for precious metal recovery from a sulphide ore or concentrate or other feed material |
| 01/02/2013 | EP2540671A1 Method for extracting and separating light rare earth element |
| 01/02/2013 | EP2539474A1 Method for enhancing solid-liquid separation in conjunction with laterite leaching |
| 01/02/2013 | CN202643807U Device separating molybdenum from nickel through resin |
| 01/02/2013 | CN202643806U Leaching tank |
| 01/02/2013 | CN202643805U Enamel heating device |
| 01/02/2013 | CN102859012A Method of processing nickel bearing raw material |
| 01/02/2013 | CN102851707A Technology for recovering production of electrolytic zinc powder and lead powder from smelting ash through alkali leaching method |
| 01/02/2013 | CN102851521A Method for extracting vanadium through oxidation conversion of vanadium-containing ores |
| 01/02/2013 | CN102851511A Method for reducing contents of zinc and copper in smelting ash acid leaching residues |
| 01/02/2013 | CN102851509A Method for recovering cadmium from flue dust of bottom-blowing furnace |
| 01/02/2013 | CN102851504A Application of caustic calcined magnesite powder to recovery of nickel and cobalt |
| 01/02/2013 | CN102851503A Method for removing chlorine from zinc or manganese electrolyte through using Sn (II) compound |
| 01/02/2013 | CN102851502A Method for extracting and separating beryllium |
| 01/02/2013 | CN102851501A Method for extracting and separating light rare earth element |
| 01/02/2013 | CN102851500A Method for extracting vanadium from vanadium-containing highly concentrated sulfuric acid solution and application of extracting agent |
| 01/02/2013 | CN102851499A Membrane method concentrating treatment process for copper separating liquid and copper electrolytic barren solution and equipment |
| 01/02/2013 | CN102851498A Preparation method of sintering manganese ore to leach electrolytic manganese |
| 01/02/2013 | CN102851497A Treating method of arsenious material |
| 01/02/2013 | CN102851496A Treatment method of high-indium high-iron zinc concentrate |
| 01/02/2013 | CN102851495A Technology for producing cathode copper through high-pressure oxygen leaching of copper and nickel contained melting slag |
| 01/02/2013 | CN102851494A Chlorine removal method for recycle use |
| 01/02/2013 | CN102851493A Clarification separation extraction tank |
| 01/02/2013 | CN102851492A Method for heating pressure leaching kettle system through using high-temperature heat conduction oil |
| 01/02/2013 | CN102851489A Method for comprehensive recovery of valuable metals in brown iron type laterite-nickel ores |
| 01/02/2013 | CN102847342A Method for separating aqueous phase and organic phase in extraction tank by mechanical stirring |
| 01/02/2013 | CN102230080B Method for zinc raw material dechlorination in zinc hydrometallurgy |
| 01/02/2013 | CN102191381B Method for removing calcium and manganese from nickel sulfate solution without saponification extraction |
| 01/02/2013 | CN102181633B Molybdenum concentrate constant pressure oxidation leaching technology of byproduct concentrated sulfuric acid |
| 01/02/2013 | CN102162032B Method for recovering lead and silver from purification slag of zinc hydrometallurgy |
| 01/02/2013 | CN102139182B Acid mist purifying method in electrolytic manganese leaching process |
| 01/02/2013 | CN102031368B Continuous ion exchange device and method for extracting lithium from salt lake brine |
| 12/30/2012 | CA2846932A1 Process for producing rare metal |
| 12/30/2012 | CA2846930A1 Process for producing rare metal |
| 12/27/2012 | WO2012177134A1 Pertraction process |
| 12/27/2012 | WO2012034202A3 A method for the removal of organic chemicals and organometallic complexes from process water or other streams of a mineral processing plant using zeolite |
| 12/27/2012 | US20120328496 Treatment of minerals |