| Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429) |
|---|
| 02/21/2008 | DE102006034659A1 Ionenaustauscher zur Gewinnung von Wertmetallen Ion exchanger for recovering valuable metals |
| 02/20/2008 | EP1888464A2 System and method for separating tellurium waste |
| 02/20/2008 | EP1434893B1 Zinc recovery process |
| 02/20/2008 | EP1303642B1 Method for recovering copper from sulfide ore materials using high temperature pressure leaching, solvent extraction and electrowinning |
| 02/20/2008 | CN201024199Y Solar pool device for extracting lithium from brine |
| 02/20/2008 | CN201024198Y Assembled bottom pad assembly |
| 02/20/2008 | CN201024196Y High temperature hot material water quenching agitated tank |
| 02/20/2008 | CN101126310A Horizontal well leaching mining method |
| 02/20/2008 | CN101126309A Horizontal fissure fluctuation leaching mining method |
| 02/20/2008 | CN101126164A Method for producing electrolytic zinc from zinc material with high-content of fluorin and silicon dioxide |
| 02/20/2008 | CN101126131A Method for reclaiming solar battery thin splinter or IC splinter |
| 02/20/2008 | CN101126130A Method for eliminating sulfate radical from nickel chloride solution |
| 02/20/2008 | CN101126129A Method for removing copper from nickel chloride leachate |
| 02/20/2008 | CN101126128A Copper eliminating method by extracting nickel chloride solution |
| 02/20/2008 | CN101126127A Method for eliminating impurity from nickel sulfate solution |
| 02/20/2008 | CN101126126A Crystallization method for nickel chloride solution |
| 02/20/2008 | CN101126125A Comprehensive utilization method for bauxite dressing tailings |
| 02/20/2008 | CN101126124A Method for preparing high-purity electrolyte for vanadium battery from stone-like coal |
| 02/20/2008 | CN101126123A Method for washing and processing nickel-containing iron slag |
| 02/20/2008 | CN101126122A Method for processing nickel chloride leachate |
| 02/20/2008 | CN101125719A Method for reclaiming hydrochloric acid and metal copper from printed circuit acidic etching waste liquid |
| 02/20/2008 | CN100370041C Method for removing pyritic sulfur in gangue by microbe |
| 02/20/2008 | CN100370040C Method for extracting scandium from red mud |
| 02/20/2008 | CN100370039C Method for separating rare-earth element and fluorapatite, calcium chloraphosphate and calcium phosphate |
| 02/20/2008 | CN100369957C Phosphorous dendrimers, preparation method thereof and use of same for the extraction of actinides and lanthanides |
| 02/20/2008 | CN100369655C Method for treating tail gas in acidolysis main reaction in sulfuric acid method titanium pigment production |
| 02/19/2008 | US7332090 filtration through a carbon filter of electrode graphite; regenerated by sonication with ultrasound; alkali metal hydroxides or alkoxides; amalgam product streams |
| 02/19/2008 | CA2521110C Method for recovery of nonferrous, rare and precious metals from robust minerals |
| 02/19/2008 | CA2421780C Heat transfer in heap leaching of sulphide ores |
| 02/19/2008 | CA2306964C System for extracting soluble heavy metals from liquid solutions |
| 02/14/2008 | US20080038188 Indium Adsorbent and Indium Fractioning Method |
| 02/14/2008 | US20080038168 Solvent Extraction Process For Separating Cobalt And/Or Manganese From Impurities In Leach Solutions |
| 02/13/2008 | CN101122034A Method for extracting high-grade metal zinc powder from zinc-containing material |
| 02/13/2008 | CN101121966A Technique for reclaiming vanadium and iron from high-vanadium high-iron steel slag |
| 02/13/2008 | CN101121962A Method for separating and reclaiming vanadium and chromium from solution containing vanadium and chromium |
| 02/13/2008 | CN101121961A Method for warming and compression production of ammonium metavanadate and warming and compression decomposition tower |
| 02/13/2008 | CN101121960A Technique for fast preparing spongy copper |
| 02/13/2008 | CN101121080A Method for preparing ammonia-calcium composite saponification agent and method for continuous saponification extracting |
| 02/13/2008 | CN100368571C Method for separating Fe-Mn and Mn-Zn |
| 02/13/2008 | CN100368531C Acidophilic leptospirillumferrooxidans and its uses |
| 02/12/2008 | US7329654 Heteroatom containing tetracyclic derivatives as selective estrogen receptor modulators |
| 02/12/2008 | US7329396 leaching ores with lixiviant comprising magnesium chloride and hydrochloric acid |
| 02/07/2008 | WO2008015108A1 Recovery of molybdenum from molybdenum bearing sulfide materials by bioleaching in the presence of iron |
| 02/07/2008 | US20080031791 Process for the Separaton of Hafnium and Zirconium |
| 02/07/2008 | CA2658085A1 Recovery of molybdenum from molybdenum bearing sulfide materials by bioleaching in the presence of iron |
| 02/06/2008 | CN101120108A Method for the treatment of copper-bearing materials |
| 02/06/2008 | CN101120107A Method for the recovery of gold from a gold-containing solution |
| 02/06/2008 | CN101120106A Method for the recovery of gold from sulphide concentrate |
| 02/06/2008 | CN101117664A Oxidation continuous deferrization process for copper cobalt liquor |
| 02/06/2008 | CN101117663A Rare earth backflow extraction method and rare earth fully separating process employing the method |
| 02/06/2008 | CN101117662A Method for producing metal gallium with coproduction of alumina |
| 02/06/2008 | CN101117660A Method for comprehensive utilization of vanadium titanium and iron ore concentrate by using rotary hearth furnace reduction-grinding - separation |
| 02/06/2008 | CN100366771C Normal temperature normal pressure ammonia infusion-extraction-electrodeposition-slag infusion flotation of copper oxide green ore |
| 02/06/2008 | CN100366768C Production of titania |
| 02/06/2008 | CN100366767C Method for the recovery of metals using chloride leaching and extraction |
| 02/06/2008 | CN100366315C Method and equipment for liquid-liquid extraction |
| 02/05/2008 | US7326390 Precipitating titanyl sulfate from leach liquors containing acidic solutions of titanyl sulfate using multiple stage leaching, redissolving the precipitated titanyl sulfate; hydrolysing, separation, calcination |
| 02/05/2008 | US7326366 Method of producing inorganic semiconductor-or phosphor-primary particle and inorganic semiconductor-or phosphor-primary particle |
| 01/31/2008 | US20080025890 Use of Surfactants in the Production of Metal |
| 01/30/2008 | CN201012931Y Environment-friendly type alluvial gold clearing machine |
| 01/30/2008 | CN101115854A Method for recovering indium |
| 01/30/2008 | CN101113526A Method for purifying silver electrolytic solution during high-purity silver production process |
| 01/30/2008 | CN101113492A Ion exchanger for extracting precious metals |
| 01/30/2008 | CN101113491A Method for leaching indium from indium sulfide concentrate by two-ores method |
| 01/30/2008 | CN101113490A Method for leaching indium from indium sulfide concentrate |
| 01/30/2008 | CN101113489A Leaching slot for gold ore choosing and stirring method thereof |
| 01/30/2008 | CN101113488A Method for comprehensive utilization of V-Ti-bearing iron ore concentrate by using tunnel kiln reduction-grinding - separation |
| 01/30/2008 | CN100365139C Method for producing concentrates |
| 01/30/2008 | CN100365134C Comprehensive recovery method of pyrite slag |
| 01/29/2008 | US7323150 Reacting an ore with at least one salt capable of recovering the metallic element from the ore to form a reaction product that includes said metallic element; recovering the metallic element from the reaction product |
| 01/24/2008 | WO2008010175A2 Air distributor for heap leaching process |
| 01/24/2008 | WO2007118257A3 Metal recovery from a tank bioleaching solution with the use of coated magnetic particles |
| 01/24/2008 | US20080016986 Production of Ferro-Nickel or Nickel Matte by a combined Hydrometallurgical and Pyrometallurgical Process |
| 01/24/2008 | CA2593961A1 Ion exchanger for winning metals of value |
| 01/23/2008 | EP1880030A1 A process for the treatment of electric and other furnace dusts and residues containing zinc oxides and zinc ferrites |
| 01/23/2008 | EP1880029A1 An improved process for heap leaching of nickeliferous oxidic ores |
| 01/23/2008 | CN201010680Y Device for effectively reducing impurity in organic phase of load in biological metallurgy technique |
| 01/23/2008 | CN101111615A Extraction process for metals like gold and platinum including fine grinding, pulping and oxygenating |
| 01/23/2008 | CN101109043A Method for processing cunico |
| 01/23/2008 | CN101108744A Manufacture of copper arsenite and application of the same |
| 01/22/2008 | CA2235308C Electrowinning electrode and cell design and process for using same |
| 01/17/2008 | WO2001070004A3 Solution mining process for removing metals from aqueous solution |
| 01/16/2008 | EP1877587A1 Method for the recovery of valuable metals and arsenic from a solution |
| 01/16/2008 | CN201006889Y Device for extracting noble metal from mixed ion weak solution |
| 01/16/2008 | CN201006335Y Full-automatic inner loop chamber type extraction apparatus |
| 01/16/2008 | CN101107372A Use of surfactants in the production of metals |
| 01/16/2008 | CN101104891A Method for preparing vanadium-iron from low-vanadium solution |
| 01/16/2008 | CN101104890A Method for reclaiming indium from waste mercury-free basic zinc-manganese battery |
| 01/16/2008 | CN101104885A Normal pressure leaching method for treating low-iron nickel oxide ore |
| 01/16/2008 | CN101104884A Method for leaching, enriching and reclaiming indium from lead-zinc smelting by-product zinc oxide |
| 01/16/2008 | CN101104883A Method for reclaiming indium and tin from ITO waste material by pickling-vulcanization deposition combined technique |
| 01/16/2008 | CN100362118C Method and apparatus for controlling metal separation |
| 01/16/2008 | CN100362117C Sulfide ore treatment technology by thermoacidophile |
| 01/16/2008 | CN100362116C Microorganism and method for leaching mineral sulphides |
| 01/16/2008 | CN100362115C Separation method of boron, magnesium and iron in paigeite |
| 01/16/2008 | CN100361751C Method for floatation and recovery of lead zinc mixed concentrate from gold mine cyaniding slag tails |
| 01/15/2008 | US7318914 Adding carbon during autoclaving operation; rejecting dissolved chromium |
| 01/10/2008 | WO2008003160A1 Metal recovery system as applied to the high pressure leaching of limonitic nickel laterite ores |
| 01/10/2008 | WO2008003152A1 A process for the instantaneous control of precipitation of nickel and cobalt present in the leach liquor, by adjusting the ph of the solution |
| 01/10/2008 | US20080006973 Metal Scrap Submergence Apparatus |