| Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429) |
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| 02/20/2014 | US20140047954 Method for thiosulfate leaching of precious metal-containing materials |
| 02/20/2014 | CA2851786A1 Processing of lithium containing material |
| 02/19/2014 | EP2697401A1 Leach process |
| 02/19/2014 | CN203440432U Laterite nickel ore processing system |
| 02/19/2014 | CN203440430U Stirring device of biological metallurgy reactor |
| 02/19/2014 | CN203440429U Auxiliary annular spraying type heat exchanger of biological metallurgy reactor |
| 02/19/2014 | CN203440428U Gas distribution device of biological metallurgy reactor |
| 02/19/2014 | CN203440427U Vertical type totally-closed mechanized acid pickling device |
| 02/19/2014 | CN103597103A Device and method for recovering a recovering material from a recovering fluid containing the recovering material |
| 02/19/2014 | CN103589880A Method for preparing crude bismuth by reducing bismuth oxychloride |
| 02/19/2014 | CN103589871A Method for recovering aluminum from red mud slag |
| 02/19/2014 | CN103589866A Separation and recovery method for thorium and uranium by using silicon-based anion exchange resin |
| 02/19/2014 | CN102459662B Method and apparatus for regeneration of extraction solution in metal extraction processes |
| 02/18/2014 | US8652335 Scavenger supports and the use thereof in a process for the extraction of metals |
| 02/18/2014 | CA2718585C Electrochemical process for the recovery of metallic iron and chlorine values from iron-rich metal chloride wastes |
| 02/18/2014 | CA2591884C Modified amine-aldehyde resins and uses thereof in separation processes |
| 02/13/2014 | WO2014025568A1 Recovery of nickel using integrated continuous ion exchange and electo-winning process |
| 02/13/2014 | WO2014023755A1 Metal leach and recovery process |
| 02/13/2014 | WO2014023464A1 Process and apparatus for winning at least one valuable metal oxide |
| 02/13/2014 | WO2014023092A1 Process for decomposing waste rare earth luminescent materials by two times of acidolysis |
| 02/13/2014 | WO2014022946A1 Method for processing smelting dust by means of tricarboxylic acid |
| 02/13/2014 | WO2014022882A1 Recovery of zinc from lead slag |
| 02/13/2014 | WO2013173914A8 Arsenic recovery from copper-arsenic sulphides |
| 02/13/2014 | US20140044618 Process of Gold and Copper Recovery From Mixed Oxide - Sulfide Copper Ores |
| 02/12/2014 | EP2695653A1 Heater and heating method for wet extraction tank |
| 02/12/2014 | EP2694501A1 2,9-dipyridyl-1,10-phenanthroline derivatives useful as actinide ligands, method for synthesizing same, and uses thereof |
| 02/12/2014 | EP2694444A1 Method for collecting metals |
| 02/12/2014 | CN203425557U Observation device for phase interface of extraction tank |
| 02/12/2014 | CN103582711A Valuable metal extraction agent and valuable metal extraction method using said extraction agent |
| 02/12/2014 | CN103582710A System and process for the continuous recovery of metals |
| 02/12/2014 | CN103572322A Method for recycling gold and copper from copper-containing oxidization gold ores |
| 02/12/2014 | CN103572316A Preparation method of electrolytic manganese dioxide specially used for low-impurity battery |
| 02/12/2014 | CN103572315A Preparation method of special electrolytic manganese dioxide for button/manganese dioxide battery |
| 02/12/2014 | CN103572313A Production method for mercury-free alkaline-manganese type electrolytic manganese dioxide |
| 02/12/2014 | CN103572075A Method for extracting tungsten from alkaline crude sodium tungstate solution without renewable recyclable extracting system |
| 02/12/2014 | CN103572071A Method for refining lithium from salt lake brine with high magnesium-lithium ratio |
| 02/12/2014 | CN103572068A Method for recovering copper from copper-containing gold-loaded carbon |
| 02/12/2014 | CN103572066A Method for enriching platinum family elements from platinum family concentrate |
| 02/12/2014 | CN103572064A Method for enriching lead and recovering rare earth from rare earth lead slag |
| 02/12/2014 | CN103572063A Method for cleanly and efficiently recovering vanadium from vanadium slag by employing sodium-free roasting |
| 02/12/2014 | CN103572060A Method for recycling gold ions from water solution |
| 02/12/2014 | CN103572056A Technology for recycling valuable metals in laterite-nickel ores by sulfidization method and producing acid |
| 02/12/2014 | CN103572055A Preparation method of manganese sulfate for electrolytic manganese dioxide |
| 02/12/2014 | CN103572054A Regeneration process of aldoxime extracting agent in hydrometallurgical extraction system |
| 02/12/2014 | CN103572053A Wet recovery method for scrap automobiles or electroplating wastes and poisoned extractant treatment method therefor |
| 02/12/2014 | CN103572052A Method for removing residual flotation reagent in a zinc sulfate solution |
| 02/12/2014 | CN103572051A Dechlorination method of zinc sulfate solution |
| 02/12/2014 | CN103572050A Biological selectivity leaching method of low-grade copper-cobalt ore |
| 02/12/2014 | CN103572049A Bacterium agitation leaching method of cobalt concentrate |
| 02/12/2014 | CN103572048A Method of cobalt leaching with activated carbon catalysis bacteria |
| 02/12/2014 | CN103572047A Bacteria agitation leaching method for uranium ore |
| 02/12/2014 | CN103572046A Method for dissolving niobium-tantalum ore with KOH for extracting niobium and tantalum |
| 02/12/2014 | CN103572045A Alkali-acid combined technology for processing low-grade niobium-tantalum ore |
| 02/12/2014 | CN103572041A Wet deep dearsenification method for high-arsenic iron ores |
| 02/12/2014 | CN103571781A Acidithiobacillus caldus gene engineering strain and applications thereof |
| 02/12/2014 | CN102978406B Regeneration method for rhenium-containing high-temperature alloy scrap |
| 02/12/2014 | CN102787236B Ion-absorbing type rare earth in-situ mineral leaching mother liquor recovery process |
| 02/12/2014 | CN102560158B Transformation method for mixed rare earth concentrate and concentrated sulfuric acid low-temperature roasted ore |
| 02/12/2014 | CN102560102B Method for leaching nickel and molybdenum from nickel-molybdenum ores by catalytic oxidation |
| 02/11/2014 | CA2745358C Method for extracting zinc from aqueous ammoniacal solutions |
| 02/11/2014 | CA2706414C Method for processing pyritic concentrate containing gold, copper and arsenic |
| 02/06/2014 | WO2014021523A1 Method for extracting lithium from solution containing lithium |
| 02/06/2014 | WO2014021119A1 Method and apparatus for separating and recovering rare earth elements |
| 02/06/2014 | WO2014021062A1 Hydrogen sulfide gas production plant system and method for recovering and using hydrogen sulfide gas |
| 02/06/2014 | US20140035207 Co-Current and Counter Current Resin-In-Leach in Gold Leaching Processes |
| 02/05/2014 | CN203419970U Crude indium replacement system |
| 02/05/2014 | CN203419969U Continuous crude indium replacing device |
| 02/05/2014 | CN103561861A Complex and uses thereof |
| 02/05/2014 | CN103560241A Preparation method of specia electrolytic manganese dioxide for button type alkaline zinc/manganese dioxide cell |
| 02/05/2014 | CN103555972A Method for leaching vanadium by curing stone coal vanadium ore by use of sulfuric acid |
| 02/05/2014 | CN103555969A New potassium-sodium separation method |
| 02/05/2014 | CN103555963A Method for treating cyaniding gold extraction waste liquid to recover gold, silver and copper by use of acid making waste gas |
| 02/05/2014 | CN103555962A Method for comprehensively recovering selenium, vanadium and silver from vanadium silver polymetallic ore containing selenium employing wet process |
| 02/05/2014 | CN103555957A Method for recovering high-purity metal palladium from organic waste palladium contained catalyst |
| 02/05/2014 | CN103555952A Harmless treatment method for multi-metal coexisting arsenic-containing waste |
| 02/05/2014 | CN103555946A Method for preparing Ga-rich residue by selectively enriching Ga-containing acid solution |
| 02/05/2014 | CN103555945A Method for removing arsenic and antimony of metallurgical dust pickle liquor through melt slag |
| 02/05/2014 | CN103555944A Method for removing impurity silver from palladium-containing material |
| 02/05/2014 | CN103555943A Mineral leaching process of bastnaesite |
| 02/05/2014 | CN103555942A Method of decomposing tungsten concentrate |
| 02/05/2014 | CN103555941A Method for preparing extraction stock solution through stone coal vanadium extraction |
| 02/05/2014 | CN103555940A Preparation method of special electrolytic manganese dioxide for automobile power battery |
| 02/05/2014 | CN103555939A Mineral leaching method and mineral leaching system for ionic rare earth mine |
| 02/05/2014 | CN103555938A Dressing and smelting method for high-silt content copper oxide ores |
| 02/05/2014 | CN103555937A Platinum refining process based on two-stage sedimentation method |
| 02/05/2014 | CN103555933A Method for extracting molybdenum and nickel and enriching precious metals from nickel and molybdenum ores |
| 02/05/2014 | CN103555932A Method for roasting molybdenum concentrate |
| 02/05/2014 | CN102864306B Method for increasing extraction efficiency of copper in water solution |
| 02/05/2014 | CN102449175B Metal recovery method using protonemata of moss plants |
| 02/05/2014 | CN101977689B Picolylamine resins |
| 01/29/2014 | EP2224022B1 Improved bacterial oxidation of sulphide ores and concentrates |
| 01/29/2014 | CN203411591U Energy-saving device for adsorbing acidic vanadium solution through thickened resin layer type ultrahigh exchange column |
| 01/29/2014 | CN203411590U Leaching plant for recycling precious metals in automobile exhaust gas catalysts |
| 01/29/2014 | CN103547578A 2,9-dipyridyl-1,10-phenanthroline derivatives useful as actinide ligands, method for synthesizing same, and uses thereof |
| 01/29/2014 | CN103540773A Method for preparing manganese sulfate by utilizing manganese oxide |
| 01/29/2014 | CN103540765A Zinc smelting technology |
| 01/29/2014 | CN103540746A Method of separating lanthanum from rare earth nitrate slurry as well as rare earth ore concentrate separation method |
| 01/29/2014 | CN103540745A Method for preparing high-purity vanadium from heteropolyacid impurity in amine extraction mode |
| 01/29/2014 | CN103540744A Potash feldspar iron removal process |
| 01/29/2014 | CN103540743A Hydrometallurgical method of metal sulfides |