| Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429) |
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| 02/08/2012 | CN102345013A Method for producing blister copper by reduction smelting of cuprous oxide converted from cuprous chloride |
| 02/08/2012 | CN101538659B 一种回收金属镓的方法 A method of recovering metallic gallium |
| 02/02/2012 | WO2012014685A1 Process for production of ferronickel smelting raw material from low grade lateritic nickel ore |
| 02/01/2012 | EP2411549A1 Apparatus and method for removing impurities in connection with liquid-liquid extraction of copper |
| 02/01/2012 | EP2411331A1 METHOD FOR INDUSTRIAL MANUFACTURE OF PRECIPITATED CALCIUM CARBONATE (CaCO3) FROM CARBONATE BEARING ROCKS |
| 02/01/2012 | CN202131345U 一种从电路板浸取液中萃取铜的萃取槽 A liquid extraction tank leaching of copper extracted from the circuit board |
| 02/01/2012 | CN102337412A Process for recovering zinc and iron from steel-making dust of waste galvanized plates |
| 02/01/2012 | CN102337411A Method for recycling vanadium and chromium from high-chromium low-vanadium vanadium precipitation wastewater |
| 02/01/2012 | CN102337410A Method for recycling vanadium from dephosphorization base flow residues |
| 02/01/2012 | CN102337409A Method for recovering vanadium from dephosphorization bottom flow residues |
| 02/01/2012 | CN102337405A Method for applying baotite mixed carbonate-rare earth precipitation wastewater in precipitation of europium (II) sulfate |
| 02/01/2012 | CN102337404A Synthesis of rare earth metal extractant |
| 02/01/2012 | CN102337403A Online saponification system and process of extractant for Co-Ni separation |
| 02/01/2012 | CN102337402A Extraction method of gold from gold-containing sulfur ore concentrate |
| 02/01/2012 | CN102337401A Continuous-stirring biological cadmium extraction process of sphalerite concentrate |
| 02/01/2012 | CN102337400A Indigenous microbiological leaching method of cadmium in cadmium-containing sediments |
| 02/01/2012 | CN102337399A Method for extracting lithium by processing lepidolite through alkali dissolution process |
| 02/01/2012 | CN102337398A Technique for extracting and separating rare earth-iron resources from rare earth tailings |
| 02/01/2012 | CN102337397A High-efficient separation and extraction process of silicon and vanadium in stone coal |
| 02/01/2012 | CN102337391A Process method for recovering indium, germanium and other valuable metals from indium concentrate |
| 02/01/2012 | CN102337228A Thermoacidophile and low grade chalcopyrite ore microbe stepwise leaching process |
| 02/01/2012 | CN101886180B Method for preparing high-activity zinc oxide from electrolytic zinc leaching slag and lead smelting granulated slag |
| 02/01/2012 | CN101876005B 两段加压氧浸法从难处理硫化矿金精矿中提取金的方法 Two pressurized oxygen leaching method to extract gold from refractory sulfide ores of gold in concentrate |
| 02/01/2012 | CN101824533B 钨钼精矿浓酸预处理提取三氧化钨及三氧化钼的方法 Tungsten molybdenum concentrate concentrated acid pretreatment extraction of tungsten trioxide and molybdenum trioxide methods |
| 02/01/2012 | CN101768123B 2-辛基硫代-1h-苯并咪唑及制备方法和用其萃取分离钯铂的方法 2- dioctylthiomethyl -1h- benzimidazole and preparation method and method for separating palladium platinum with its extraction |
| 02/01/2012 | CN101760637B 含镁矿石的浸出工艺 Magnesium ore leaching process |
| 02/01/2012 | CN101760618B 改进的含镁矿石浸出方法 Improved magnesium ore leaching method |
| 02/01/2012 | CN101574617B 燃煤烟气软锰矿浆资源化同步脱硫脱硝方法 Pyrolusite slurry of coal-fired flue gas desulfurization and denitration resource synchronization method |
| 01/31/2012 | CA2646137C Autoclave with underflow dividers |
| 01/25/2012 | EP1194612B1 Electrowinning cell incorporating metal ion filtration apparatus |
| 01/25/2012 | CN202122851U Extraction tank |
| 01/25/2012 | CN1904142B Copper extraction method of etching waste liquid or low copper containing waste liquid |
| 01/25/2012 | CN102333895A Filter bag for bayer liquor filtration |
| 01/25/2012 | CN102329967A Method for recovering gold from gold-containing barren solution and purifying gold-containing barren solution |
| 01/25/2012 | CN102329966A Wet treatment process of refining slag from Kaldo furnace |
| 01/25/2012 | CN102329964A Method for separating and recovering vanadium and chromium from vanadium-chromium reduced waste residue |
| 01/25/2012 | CN102329963A Device for high-efficiency and energy-saving separation, extraction and preparation of lead in lead-containing flue dust |
| 01/25/2012 | CN102329962A Method for deeply separating tungsten and molybdenum from high-tungsten and high-molybdenum mixed solution |
| 01/25/2012 | CN102329959A Separation method of palladium from silver electrolyte |
| 01/25/2012 | CN102329958A Bacterial oxidation and cyaniding silver extraction process for silver concentrates difficult to leach |
| 01/25/2012 | CN102329957A Method for continuously leaching sulfide ore by using synergy of autotrophic ore leaching bacteria and heterotrophic ore leaching bacteria |
| 01/25/2012 | CN102329956A Extraction process of nickel element from laterite-nickel ore by wet method |
| 01/25/2012 | CN102329955A Comprehensive method for processing laterite nickel ore to produce electrolytic nickel through full wet method |
| 01/25/2012 | CN102329954A Method for pretreating vanadium slag of converter by alkaline leaching and desiliconizing under action of electric field |
| 01/25/2012 | CN101928831B Leaching method of anode material of lithium cobalt oxide waste battery |
| 01/25/2012 | CN101871045B Method for producing zinc by utilizing sulphate process titanium dioxide waste acid |
| 01/25/2012 | CN101818255B Method for comprehensively recovering valuable metals from copper blast furnace dust |
| 01/25/2012 | CN101457292B Process for recovering nickel ion from biochemical lixivium of laterite nickel mine by using room temperature ion liquid |
| 01/19/2012 | WO2012006935A1 Method for producing mercury-free alkaline-manganese type electrolyzed manganese dioxide |
| 01/18/2012 | EP2406352A2 Methods of recovering minerals from hydrocarbonaceous material using a constructed infrastructure and associated systems |
| 01/18/2012 | CN202116626U Device for recovering electroplated colloid palladium |
| 01/18/2012 | CN202116625U Lead removing device for resin in nickel chloride liquor |
| 01/18/2012 | CN102321815A Method for extracting indium from indium-containing zinc oxide |
| 01/18/2012 | CN102321812A Method for comprehensive utilization of laterite nickel ore |
| 01/18/2012 | CN102321809A Method for extracting cobalt and copper from cobalt-copper-iron alloy |
| 01/18/2012 | CN102321807A Production and using method of environmentally-friendly noble metal mineral processing reagent |
| 01/18/2012 | CN102321804A Wet separation technology for material containing lead, bismuth and molybdenum |
| 01/18/2012 | CN102321803A Method for removing chloride ion from waste molasses for manganese dioxide reduction |
| 01/18/2012 | CN102321802A New method for extracting gallium from Bayer mother liquor through chelating resin |
| 01/18/2012 | CN102321801A Method for extracting vanadium from alkaline leaching solution containing vanadium stone coal |
| 01/18/2012 | CN102321800A Method for preparing praseodymium-neodymium oxide |
| 01/18/2012 | CN102321797A Method for extracting cobalt from vanadic titanomagnetite and preparing superfine cobalt powder |
| 01/18/2012 | CN101805828B Low-cost method for disposing red soil nickel ore |
| 01/18/2012 | CN101709385B Method for sorting gold from gold-bearing high-arsenic tailings |
| 01/17/2012 | US8097227 Method for thiosulfate leaching of precious metal-containing materials |
| 01/12/2012 | WO2012005548A2 Method for economical extraction of magnesium,boron and calcium from lithium bearing solution |
| 01/12/2012 | WO2012005545A2 Method for economical extraction of lithium from solution including lithium |
| 01/12/2012 | WO2012005183A1 Method for synthesizing rare earth metal extractant |
| 01/12/2012 | WO2012005182A1 Method for synthesizing rare earth metal extractant |
| 01/12/2012 | CA2804239A1 Method for synthesizing rare earth metal extractant |
| 01/12/2012 | CA2804237A1 Method for synthesizing rare earth metal extractant |
| 01/11/2012 | CN202107753U Integrated reactor suitable for purifying and edulcorating pyrolusite lixivium |
| 01/11/2012 | CN202107746U Oil removing device for nickel sulfate solution |
| 01/11/2012 | CN202107745U Device for continuously slurrying high temperature calcine of rotary kiln on spot |
| 01/11/2012 | CN102312102A Comprehensive utilization method for titanium-contained blast furnace slag |
| 01/11/2012 | CN102312101A Extractant for treating heavy metals in fly ash and method for extracting heavy metals with the extractant |
| 01/11/2012 | CN102312099A Copper sponge preparation process by reducing copper contained acidic leachate with iron powder |
| 01/11/2012 | CN102312098A Method for separation and purification of fluorescent grade yttrium oxide and europium oxide from waste phosphor powder |
| 01/11/2012 | CN102312094A Method for extracting uranium from uranium-contained niobium-tantalum leached tailings |
| 01/11/2012 | CN102312092A Synthesis of rare earth metal extractant |
| 01/11/2012 | CN102312091A Method for leaching low-grade gold in high-arsenic sulfur concentrate acid-making cinder by microorganism preoxidation |
| 01/11/2012 | CN102312090A Process for extracting scandium from ore containing scandium through pressure leaching |
| 01/11/2012 | CN102312089A Method for recovering rare earth from rare-earth-contained phosphorite |
| 01/11/2012 | CN102312083A Method for extracting zinc indium and recovering iron from high-iron high indium zinc concentrate |
| 01/11/2012 | CN101946027B Method of recovering valuable metals from izo scrap |
| 01/11/2012 | CN101876007B Method for separating rare earth sulfate solution by saponifiable extraction |
| 01/11/2012 | CN101403035B Method for comprehensive exploitation of low-ore grade laterite nickel mine |
| 01/11/2012 | CN101379204B Aqueous solutions containing metal cyanide for cyanide leaching for the winning of gold and silver |
| 01/10/2012 | US8092573 Purification of PGM species from mixtures thereof |
| 01/05/2012 | WO2012001501A1 A chloride method for bioleaching |
| 01/05/2012 | WO2012000090A1 Leaching process for copper concentrates containing chalcopyrite |
| 01/05/2012 | US20120000318 High temperature heap bioleaching process |
| 01/05/2012 | CA2804180A1 Leaching process for copper concentrates containing chalcopyrite |
| 01/05/2012 | CA2745229A1 Synthesis of rare earth metal extractant |
| 01/04/2012 | EP1740731B1 Iron oxide precipitation from acidic iron salt solutions |
| 01/04/2012 | CN202099359U Adsorbing and stirring device |
| 01/04/2012 | CN202099358U Stibium removing device for pretreatment of gold concentrate roaster containing arsenic and stibium |
| 01/04/2012 | CN102307635A Method and arrangement for separating two solutions mixed in dispersion into two solution phases in a liquid-liquid extraction separation cell |
| 01/04/2012 | CN102304628A Method for extracting rare earth from phosphate rock by utilizing liquid membrane |
| 01/04/2012 | CN102304621A Process for separating out Sn, Bi, Cu and Zn from Sn-Bi waste material |