| Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429) |
|---|
| 02/05/2009 | US20090031857 Method and apparatus for ore processing |
| 02/04/2009 | EP2019890A1 Method for manufacturing a mixer-settler and a mixer-settler |
| 02/04/2009 | CN101360842A Recovery of solid magnesium sulfate hydrate |
| 02/04/2009 | CN101358282A Method for vanadium-containing resin circulatory desorption from vanadate precipitating waste water |
| 02/04/2009 | CN100457932C Process for the treatment of molybdenum concentrate |
| 02/04/2009 | CN100457929C Integral gold refining kiln oxidizing baking process for refractory gold ore and baking tunnel kiln |
| 02/04/2009 | CN100457928C Carbonate deposition method of crystal type heavy rare earth |
| 02/03/2009 | US7485269 Multiple stage leaching of titaniferous material in a sulfate process including leaching the material with solution containing H2SO4; separating TiOSO4 from liquor; hydrolysis; separating solid phase containing hydrated titanium oxides calcining to form TiO2; further leaching solid phase from 1st leach |
| 02/03/2009 | US7485268 Production of titania |
| 02/03/2009 | CA2450440C Solvent extraction mixture comprising substituted imidazole or benzimidazole for the separation of groups of base metals |
| 01/28/2009 | CN101356292A Combined leaching process |
| 01/28/2009 | CN101356291A Magnesium oxide recovery |
| 01/28/2009 | CN101353803A Method for leaching molybdenum and rhenium from molybdenum concentrate by mineral slurry electrolysis method |
| 01/28/2009 | CN101353795A Method for extracting copper from printed circuit board acidic spent etching solution and preparing poly ferric chloride |
| 01/28/2009 | CN101353725A Novel liquid cooling clarification underflow processing unit and method |
| 01/28/2009 | CN101353178A Process for recovering rare earth oxide, process for producing abrasive containing rare earth oxide and polishing method using abrasive |
| 01/28/2009 | CN100455683C Process for mfg., enriched titanium material by electric furnace titanium slag |
| 01/27/2009 | US7481938 Metal compound removal |
| 01/27/2009 | CA2608973C Processes for treating aluminium dross residues |
| 01/27/2009 | CA2417422C Method for processing sulfur-bearing materials using high temperature pressure leaching for metal recovery |
| 01/27/2009 | CA2401763C Solvent extraction process for the separation of cobalt from nickel in aqueous sulphate-containing solutions |
| 01/27/2009 | CA2373083C Porous hollow fiber membrane having chelate formability and method for recovery of germanium oxide using the porous hollow fiber membrane |
| 01/27/2009 | CA2213102C Modifiers for aldoxime extractant of metal values |
| 01/24/2009 | CA2618420A1 Process for dewatering a mineral slurry concentrate and increasing the production of a filter cake |
| 01/22/2009 | WO2009011317A1 Method of treating nonferrous smelting intermediary product containing arsenic |
| 01/22/2009 | WO2009011316A1 Method of treating copper-arsenic compound |
| 01/22/2009 | WO2009011073A1 Method of treating diarsenic trioxide |
| 01/22/2009 | WO2009009825A1 Method for ammoniacal leaching |
| 01/22/2009 | WO2006098661A3 Method for processing diamond-containing mineral concentrates and for chemically cleaning the diamond surfaces |
| 01/22/2009 | US20090023604 Scavenger supports and the use thereof in a process for the extraction of metals |
| 01/22/2009 | US20090022639 Treatment of material containing at least one valuable metal and arsenic to form a valuable metal-depleted scorodite sediment and a pure aqueous solution to be discharged from process; valuable metals are first removed and then arsenic precipitation from solution is performed in two stages |
| 01/22/2009 | US20090022638 Ion exchanger for winning metals of value |
| 01/22/2009 | US20090019970 Process for recovery of metal values from materials containing arsenic and/or antimony |
| 01/22/2009 | CA2694793A1 Method of processing non-ferrous smelting intermediate containing arsenic |
| 01/22/2009 | CA2694792A1 Method of processing copper arsenic compound |
| 01/22/2009 | CA2693217A1 Method for ammoniacal leaching |
| 01/21/2009 | EP2017359A2 Method for the elution of 18F fluoride trapped on an anion-exchange resin in a form suitable for efficient radiolabeling without any evaporation step |
| 01/21/2009 | EP2017227A1 Method of treating arsenic-containing solution |
| 01/21/2009 | CN101351567A Method for recovering rare metals in zinc leaching process |
| 01/21/2009 | CN101348868A Method for recovering tungsten and molybdenum from phosphor middling |
| 01/21/2009 | CN101348865A Leaching method of copper nickel coarse grain alloy |
| 01/21/2009 | CN101348864A Leaching process of copper nickel coarse grain alloy |
| 01/21/2009 | CN101348863A Combined leaching process of copper nickel coarse grain alloy and copper nickel fine grain alloy |
| 01/21/2009 | CN101348273A Neutralization agent capable of reducing manganese content in manganese slag and use thereof |
| 01/20/2009 | US7479262 Method for separating platinum group element |
| 01/15/2009 | WO2009007792A1 The production of copper |
| 01/15/2009 | US20090013829 Process for the recovery of value metals from base metal sulfide ores |
| 01/14/2009 | EP2013370A1 Process for recovery of copper from copper-bearing material using pressure leaching, direct electrowinning and solvent/solution extraction |
| 01/14/2009 | CN101343691A Pollution-free separation method for plumbum and silver |
| 01/14/2009 | CN101343690A Separation of cerium and non-cerium rare earth, method of manufacturing cerium based relief polishing powder |
| 01/14/2009 | CN100451140C Self protection process for preparing fluorescent grade europium oxide extractor by reducing extracting method |
| 01/14/2009 | CN100451139C Gray manganese ore leaching out process |
| 01/14/2009 | CN100451138C Method for preparing ultra-thin highly-pure europium oxide by europium-rich sulfuric acid rare earth |
| 01/14/2009 | CN100451137C Method for preparing ultra-thin highly-pure terbium oxide by beneficiated terbium-dysprosium |
| 01/13/2009 | CA2363969C Process for the recovery of residual metal values from smelter waste slags, and from converter slags |
| 01/08/2009 | WO2009004321A2 Settler tank for use in the solvent extraction of metal from matel ore |
| 01/08/2009 | WO2009003240A1 Iron control in leaching |
| 01/07/2009 | EP2010684A1 Processing of waste or cyclone solids from the chlorination of titanium bearing ores |
| 01/07/2009 | EP1390113A4 Production of pure molybdenum oxide from low grade molybdenite concentrates |
| 01/07/2009 | CN201176452Y Device for strengthening electrooxidation decomposition process by ultrasonic |
| 01/07/2009 | CN101341264A Bioleaching process control in a stirred tank |
| 01/07/2009 | CN101338377A High-efficiency leaching process of nickel from laterite-nickel ore |
| 01/07/2009 | CN101338376A Process for comprehensively developing and utilizing nickel, cobalt, iron and magnesium from laterite-nickel ore |
| 01/07/2009 | CN101338375A Technological process for extracting nickel and cobalt and comprehensively developing iron and magnesium from laterite-nickel ore |
| 01/07/2009 | CN101338374A Process for extracting nickel and cobalt from laterite-nickel ore |
| 01/07/2009 | CN101338371A Salt-dipping and replacing process for associated metallic lead in gold concentrate |
| 01/07/2009 | CN101338370A Gold-extracting process by thiourea carbon-in-pulp method |
| 01/07/2009 | CN101338368A Method for preprocessing anode sludge and recovering dissipated metal |
| 01/07/2009 | CN101338367A Method for enriching and purifying nickel, cobalt or copper ions |
| 01/07/2009 | CN101338366A Activation process of pyrite in alkalinity pulp |
| 01/07/2009 | CN101338365A Synthesizing method for molybdenum-nickel ore |
| 01/07/2009 | CN101338361A Method for reducing phosphorus in high phosphorus haematite or hematite and limonite ore by magnetization roasting-leaching method |
| 01/07/2009 | CN100449010C Process for smelting ferrovanadium by extraction of vanadium from vanadium-containing errophosphorus |
| 01/06/2009 | US7473413 Method for recovering metal values from metal-containing materials using high temperature pressure leaching |
| 01/06/2009 | US7473394 Separating vessel |
| 01/06/2009 | CA2289485C Sulfide mineral concentrate bioleaching |
| 01/01/2009 | US20090004728 Method of biotreatment for solid materials in a nonstirred surface bioreactor |
| 12/31/2008 | WO2009001897A1 Reagent for separation of platinum-group metal, and method for separation/collection of platinum-group metal using the same |
| 12/31/2008 | WO2009000051A1 Process for the recovery of magnesium from a solution and pretreatment |
| 12/31/2008 | WO2009000037A1 Leaching ores |
| 12/31/2008 | EP1577408B1 Method for separating platinum group elements from selenum/tellurium bearing materials |
| 12/31/2008 | CN201172678Y Water diversion device for copper extractive agent |
| 12/31/2008 | CN101336306A Leaching process in the presence of hydrochloric acid for the recovery of a value metal from an ore |
| 12/31/2008 | CN101333601A Alkali breakdown process of molybdenum-vanadium multi-metal metallurgy smelting materials |
| 12/31/2008 | CN101333599A Cyanidation aurum-extracting method for preprocessing high-arsenic complex refractory gold ore by oxidation with arsenic resistant strains |
| 12/31/2008 | CN101333598A Method for separating and extracting metallic tungsten and molybdenum from molybdenum removal slag generated by smelting tungsten |
| 12/31/2008 | CN101333597A Chemical industry metallurgical comprehensive approach for nepheline ore by completely-wet method |
| 12/31/2008 | CA2691576A1 Leaching ores |
| 12/30/2008 | US7470391 Method and unit for continuously producing metal microparticle |
| 12/25/2008 | US20080317665 Compositions and methods for generating hydrogen from water |
| 12/24/2008 | EP1758815A4 Compositions and methods for generating hydrogen from water |
| 12/24/2008 | CN101331240A Method for the recovery of ruthenium from used ruthenium oxide-containing catalysts |
| 12/24/2008 | CN101330956A Apparatus for production, withdrawal and transfer of highly viscous slurry |
| 12/24/2008 | CN101328548A Method for processing nickel cobalt extracted from laterite-nickel ore by chloride cycle desiliconisation ferrous process |
| 12/24/2008 | CN101328540A Method for reclaiming sodium molybdate solution from molybdenum-containing leached residue |
| 12/24/2008 | CN101328539A Oxidation oven ash hydrometallurgical leaching process |
| 12/24/2008 | CN101328538A Method for extracting copper, cobalt and nickel from cupric oxide cobalt ore |
| 12/24/2008 | CN101328537A Process for comprehensive recovery nickel, copper, cobalt, sulfur and magnesium from high magnesium and nickle ore concentrate |
| 12/24/2008 | CN101328536A Process for comprehensive recovery nickel, copper, cobalt, sulfur and magnesium from ore |
| 12/18/2008 | WO2008128278A3 Treatment of nickel-containing solutions |