| Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429) |
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| 03/13/2013 | CN102965502A Solid-phase extraction method for separating enriched gallium |
| 03/13/2013 | CN102965501A Method for processing copper anode slime in total wet manner |
| 03/13/2013 | CN102965500A Method for decreasing magnesium oxide in nickel sulfide concentrate |
| 03/13/2013 | CN102965499A Method for extracting valuable element in arsenic salt purification slag from zinc hydrometallurgy |
| 03/13/2013 | CN102965498A Horizontal pressure leaching reaction kettle for labs |
| 03/13/2013 | CN102965497A Feeding stirring device of wet metallurgy reactor |
| 03/13/2013 | CN102212694B Method for extracting valuable metal from waste hydrogenation catalyst |
| 03/13/2013 | CN102134653B Separation-smelting combined process for treating difficultly separated copper-containing gold sulfide ores |
| 03/13/2013 | CN102002585B Method for producing vanadium iron with stone-like coal pickle liquor |
| 03/13/2013 | CN101942569B Method for recovering lithium from waste lithium ion battery and waste pole piece |
| 03/13/2013 | CN101831545B Alkali leaching method of zinc oxide mine |
| 03/13/2013 | CN101824544B Comprehensive recovery method for smelted lead waste slag of blast furnace |
| 03/07/2013 | WO2013029785A1 Method for the removal and recovery of metals and precious metals from substrates |
| 03/07/2013 | WO2013005101A3 Method for controlling solids/liquid decant unit operations and systems |
| 03/07/2013 | WO2012080988A3 Precipitation of antimony and bismuth from copper refinery electrolyte using pbo2 |
| 03/07/2013 | US20130058846 Method for processing acidic solution that contains iodide ions and iron ions |
| 03/07/2013 | CA2844874A1 Process for recovery of technical grade molybdenum from diluted leaching acid solutions (pls), with highly concentrated arsenic, from metallurgical residues |
| 03/07/2013 | CA2815047A1 Methods for treating waste waters using sulfidized red mud sorbents |
| 03/06/2013 | EP2565284A1 Method for extracting gallium from fly ash |
| 03/06/2013 | EP2565283A1 Method for extracting gallium from fly ash |
| 03/06/2013 | EP2563522A1 Method for recovering valuable metals |
| 03/06/2013 | CN202766600U Silver recovery device with continuous leaching system |
| 03/06/2013 | CN202766596U Palladium (Pd) recovery device with calcination device provided with control system |
| 03/06/2013 | CN202766593U Tantalum re-extraction groove of two-groove box-type mixing, clarifying and extracting tank |
| 03/06/2013 | CN202766592U Tantalum containing organic tank of two-tank box-type mixing, clarifying and extracting tank |
| 03/06/2013 | CN202766591U Idling organic box of two-tank box-type mixing, clarifying and extracting tank |
| 03/06/2013 | CN202766590U Device for purifying feed liquid produced by copper hydrometallurgy |
| 03/06/2013 | CN202766589U Cathode glaur gold-silver separation device |
| 03/06/2013 | CN202766588U Sulfur-containing gold concentrate sulfating roasting system |
| 03/06/2013 | CN202762405U Copper extracting and mixing feeding system |
| 03/06/2013 | CN202762180U Alkali leaching, filtering and drying system provided with spiral conveying equipment |
| 03/06/2013 | CN102959105A Substance for collection of metal, metal collection method using the substance, and metal separation/collection apparatus using the substance |
| 03/06/2013 | CN102952954A Processing method of trivalent cobalt nickel oxide waste material and waste cobalt nickel alloy |
| 03/06/2013 | CN102952951A Method for extracting tantalum and niobium and producing potassium fluosilicate from tungsten smelting slag |
| 03/06/2013 | CN102952947A Comprehensive recovery method of rare metals in waste circuit boards |
| 03/06/2013 | CN102952946A Method for removing fluorine in bastnaesite sulfuric acid leaching liquid by using zirconium-containing adsorbent |
| 03/06/2013 | CN102952945A White high-alumina brick |
| 03/06/2013 | CN102952944A Acid-resistant, high temperature-resistant and high pressure-resistant earthenware brick for cylindrical shell entrance |
| 03/06/2013 | CN102952943A Acid-resistant, high temperature-resistant and high pressure-resistant earthenware brick for head entrance |
| 03/06/2013 | CN102952942A Method of utilizing medium-lower-grade zinc oxide ores as well as zinc oxide and lead oxide paragenic ores |
| 03/06/2013 | CN102952941A Utilization method of copper oxide ores |
| 03/06/2013 | CN102345014B Method for preparing elementary copper, copper hydroxide and sodium chloride through dye waste residues |
| 03/06/2013 | CN102345013B Method for producing blister copper by reduction smelting of cuprous oxide converted from cuprous chloride |
| 03/06/2013 | CN102251110B Method for recovering gold-loaded active carbon powder by using active carbon filter device |
| 03/06/2013 | CN102251104B Leaching method of low-grade copper oxide mud ore |
| 03/06/2013 | CN102220483B Two-stage roasting treatment method for laterite nickel ore |
| 03/06/2013 | CN102140576B Method for extracting nickel and molybdenum from nickel-molybdenum ore |
| 03/06/2013 | CN101880782B Process for rare-earth smelting resource reclamation and cyclic production |
| 03/05/2013 | US8388729 Method for ammoniacal leaching |
| 03/05/2013 | US8388728 Leaching ores |
| 02/28/2013 | WO2013027603A1 Nickel recovery loss reduction method, hydrometallurgical method for nickel oxidized ore, and sulfuration treatment system |
| 02/28/2013 | WO2013027084A1 Process for producing direct reduced iron (dri) utilizing gases derived from coal |
| 02/28/2013 | WO2013026093A1 Method for the treatment of acidic leach liquors |
| 02/28/2013 | US20130052106 Process for the production of ferrous sulphate monohydrate |
| 02/28/2013 | DE112011101461T5 Verfahren zum Extrahieren von Gallium aus Flugasche A method of extracting gallium from fly ash |
| 02/28/2013 | DE112011101460T5 Verfahren zum Extrahieren von Gallium aus Flugasche A method of extracting gallium from fly ash |
| 02/27/2013 | EP2562276A1 Device and method for recovering lithium |
| 02/27/2013 | EP2562275A1 Liquid-storage device and pressure-control method thereof |
| 02/27/2013 | EP2562273A1 System and method for recycling rare metals |
| 02/27/2013 | CN202755035U Biological pre-oxidation test study continuous device |
| 02/27/2013 | CN202755034U Potential control device for oxidation reduction leaching reaction |
| 02/27/2013 | CN102943183A Method for extracting uranium and thorium from southern ionic rare-earth lixivium |
| 02/27/2013 | CN102943180A Method for recycling gold and silver from silver separating residues of copper anode slime |
| 02/27/2013 | CN102943177A Method for recovering cooper and silicon powder from organosilicon waste residue |
| 02/27/2013 | CN102943176A Method for removing silicon and phosphorus impurities from rich-vanadium desorption liquid |
| 02/27/2013 | CN102943175A Method for reinforcing bacterial preoxidation of arsenic-containing gold ore |
| 02/27/2013 | CN102943174A Method for preparing nickel sulfide concentrate through titanium dioxide waste acids |
| 02/27/2013 | CN102943173A Method for judging reduction leaching degree of concentrate containing trivalent cobalt in production site |
| 02/27/2013 | CN102251098B Method for extracting rare noble metals |
| 02/27/2013 | CN102242263B Device and method for deoiling nickel sulfate solution |
| 02/27/2013 | CN102206757B Heavy metal recycling method based on municipal solid waste incineration (MSWI) fly ash |
| 02/27/2013 | CN102140581B Process method for producing copper sulfate by using copper scale at normal temperature and normal pressure |
| 02/27/2013 | CN101974685B Process for extracting nickel-cobalt from laterite by using resin-in-pulp adsorption technology |
| 02/26/2013 | US8382880 Method for solubilizing molybdenum oxide concentrates |
| 02/21/2013 | WO2013024782A1 Indium recovery method |
| 02/21/2013 | WO2013023297A1 Process of leaching precious metals |
| 02/21/2013 | WO2013023254A1 Method for the recovery of magnesium sulphate and production of magnesium oxide |
| 02/21/2013 | CA2843791A1 Process of leaching precious metals |
| 02/20/2013 | EP2559776A1 Plant for wet smelting of laterite nickel ore and method of operating same |
| 02/20/2013 | CN202744613U Chloridizing distillation device for extracting germanium from germanium concentrate |
| 02/20/2013 | CN102939148A Method and apparatus for homogenising and stabilising iron-bearing residue |
| 02/20/2013 | CN102936665A Method for extracting rare earth elements |
| 02/20/2013 | CN102936664A Method for extracting rare earth elements and rare earth extraction system |
| 02/20/2013 | CN102936661A Method for decomposing and leaching germanium and indium from lead and zinc alloy residues |
| 02/20/2013 | CN102936656A Method for removing fluorine in bastnaesite sulfuric acid leaching liquid by aluminiferous adsorbing agent |
| 02/20/2013 | CN102936655A Technology for recovery of uranium in ceramic UO2 pellet by supercritical CO2 extraction |
| 02/20/2013 | CN102936649A Method for recovering nickel, cobalt, manganese and iron by roasting and leaching nickel oxide ore |
| 02/20/2013 | CN102936237A Calixarene and method for separating and purifying thorium by calizarene |
| 02/20/2013 | CN102168181B Horizontal type pressure leaching kettle and zinc sulfide concentrate leaching method using same |
| 02/14/2013 | WO2013021438A1 Method for leaching out copper |
| 02/14/2013 | WO2013020175A1 Treatment of sulphidic materials |
| 02/14/2013 | US20130036871 METHOD OF PRODUCING HIGH-CONCENTRATED TECHNETIUM-99m SOLUTION IN LARGE QUANTITIES |
| 02/14/2013 | CA2844095A1 Treatment of sulphidic materials |
| 02/13/2013 | CN202730204U Leaching tank |
| 02/13/2013 | CN202730203U Chorine introducing device of chlorination leaching tank |
| 02/13/2013 | CN202730202U Leaching tank |
| 02/13/2013 | CN202730201U Heating device of leaching tank |
| 02/13/2013 | CN202730200U Leaching tank |
| 02/13/2013 | CN102933495A Method for recovering gold by solvent extraction |
| 02/13/2013 | CN102925721A Enrichment method for improving scandium grade |