Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429)
01/2014
01/03/2014WO2014001623A1 Solvent extraction method and solvent extraction settler
01/03/2014WO2014001622A1 Solvent extraction settler arrangement
01/03/2014WO2014001621A1 Method of manufacturing a launder and launder
01/03/2014WO2014001620A1 Solvent extraction settler arrangement
01/03/2014WO2014001619A1 Solvent extraction settler comprising a foundation
01/03/2014WO2014000055A1 Recovery of high value materials from industrial waste
01/03/2014WO2014000023A1 Method for recovering cobalt from cobalt-containing ores
01/03/2014WO2014000021A1 Method for leaching zinc silicate ores
01/03/2014CA2875939A1 Method of manufacturing a solvent extraction settler and solvent extraction settler
01/03/2014CA2875936A1 Solvent extraction settler arrangement
01/03/2014CA2875909A1 Solvent extraction method and solvent extraction settler
01/03/2014CA2875907A1 Solvent extraction settler arrangement
01/03/2014CA2875906A1 Method of manufacturing a launder and launder
01/03/2014CA2875904A1 Solvent extraction settler comprising a foundation
01/02/2014US20140000413 Precious metals recovery
01/02/2014DE102012210941A1 Verfahren zur Laugung für die Gewinnung seltener Erden aus phosphathaltigen Seltenerd-Mineralien Leaching processes for the extraction of rare earths from phosphate-containing rare earth minerals
01/01/2014EP2679693A1 Valuable metal extraction agent and valuable metal extraction method using said extraction agent
01/01/2014EP2679691A1 Method for manufacturing an austenitic stainless steel from a nickel laterite ore and a chromite ore
01/01/2014EP2678457A1 Method for extraction and separation of lanthanoid elements and actinoid elements, and means for extraction and separation of lanthanoid elements and actinoid elements
01/01/2014CN203373433U Device for electrolyzing and reducing europium
01/01/2014CN203373409U Special adsorption tower for thick pregnant solution
01/01/2014CN103484695A Treatment method for comprehensively recovering valuable elements from laterite-nickel ore
01/01/2014CN103484694A Method for extracting bismuth from copper-bismuth concentrate
01/01/2014CN103484692A Method for extracting soluble potassium from hydromica with oxidation-pillaring-ion exchange method
01/01/2014CN103484679A Method for recycling tin and copper from waste tinned copper needles
01/01/2014CN103484673A Method for vadaium precipitation from balck acid leaching vanadium liquid
01/01/2014CN103484672A Method for removing SnS3<2-> damage in tungsten ion exchange process
01/01/2014CN103484671A Method for separating tungsten and tin from tungsten/tin-containing concentrate
01/01/2014CN103484670A Process for comprehensively recovering valuable metal from floatation silver concentrates of zinc hydrometallurgy system
01/01/2014CN103484669A Solvent-recyclable waste copper recovery method
01/01/2014CN103484668A Weathering crust illuviation-type rare-earth ore leaching agent and method for extracting rare earths by using same
01/01/2014CN103484667A Method for extracting vanadium from high-calcium vanadium-containing stone coal
01/01/2014CN102936661B Method for decomposing and leaching germanium and indium from lead and zinc alloy residues
01/01/2014CN102864300B Method for separating molybdenum and tungsten from molybdenum-tungsten concentrate
01/01/2014CN102703697B Method for recovering rare earth-niobium-ferrum paragenic ore
01/01/2014CN102703682B Comprehensive recovery method of rare metal ore
01/01/2014CN102676822B Burning-free non-cyaniding method for treating waste printed circuit board
12/2013
12/31/2013CA2593301C Dissolved air floatation with filter system
12/27/2013WO2013191781A2 Selective regeneration of isotope-specific media resins in systems for separation of radioactive isotopes from liquid waste materials
12/27/2013WO2013191780A2 Submersible filters for use in separating radioactive isotopes from radioactive waste materials
12/27/2013WO2013191269A1 Activated carbon for noble metal adsorption, noble metal adsorption filter, and method for recovering noble metals
12/27/2013WO2013191020A1 Autoclave apparatus used during high-pressure acid leaching process
12/27/2013WO2013190879A1 Method for separating and refining scandium
12/27/2013WO2013188922A1 Removal of ferric iron as hematite at atmospheric pressure
12/27/2013CA2876915A1 Autoclave apparatus used during high-pressure acid leaching process
12/26/2013US20130343972 Method for treating liquid effluents and recovering metals
12/25/2013EP2677047A1 Method for collection of ruthenium or ruthenium compound
12/25/2013EP2676933A1 Method for cold hydrochemical decomposition of sodium hydrogen aluminosilicate
12/25/2013EP2676932A1 Process for complex processing of bauxite
12/25/2013CN203360528U Leaching tank equipment
12/25/2013CN103469247A Method for reducing ammonia consumption in production of electrolytic manganese metal
12/25/2013CN103469246A Iron removal method in production of manganese metal through electrolysis
12/25/2013CN103468981A Rare earth liquid metering and conveying device for rare earth extraction tank
12/25/2013CN103468980A Method for extracting scandium from lateritic nickel ore
12/25/2013CN103468979A Method for recycling scandium from lateritic nickel ore smelted iron aluminum slag
12/25/2013CN103468977A Method for selectively leaching germanium and gallium from complex smelting slag with germanium and gallium or ore with germanium and gallium
12/25/2013CN103468975A Method for extracting beryllium from alexandrite-type beryllium concentrate with low enrichment ratio
12/25/2013CN103468974A Method for extracting soluble potassium from hydromica through oxidation
12/25/2013CN103468973A Method of extracting nickel from nickeliferous ferrophosphorous
12/25/2013CN103468958A Tailings harmless treatment method for laterite nickel ore hydrometallurgical process
12/25/2013CN103468953A Method for treating zinc sulfate solution
12/25/2013CN103468952A Method for treating zinc sulfate solution
12/25/2013CN103468951A Pseudo goethite method for removing iron in zinc leaching solution
12/25/2013CN103468950A Method for removing metal ion purity of rare earth aqueous solution extraction
12/25/2013CN103468949A Treatment method for scandium-containing cobalt nickel hydroxide
12/25/2013CN103468948A Method for comprehensive recycling of metals from scandium-containing cobalt nickel hydroxide
12/25/2013CN103468947A Hydrometallurgical method for separating and extracting Mn, Fe, Pb and Ag from silver-manganese ore
12/25/2013CN103468946A Device for automatically controlling flow rate of rare-earth feed liquid
12/25/2013CN103468933A Method for reducing tin leaching rate in high-tin tungsten concentrate
12/25/2013CN103466679A Preparation method of high-purity yttrium oxide
12/21/2013CA2874099A1 Enhanced techniques for dewatering thick fine tailings with flocculant dosing on clay basis
12/19/2013WO2013187367A1 Neutralization method
12/19/2013US20130336857 Sustainable process for reclaiming precious metals and base metals from e-waste
12/19/2013CA2875450A1 Neutralization method
12/18/2013CN203346450U Liquid collection chute of compartment press
12/18/2013CN103459622A Extraction of gold
12/18/2013CN103459621A Improved method of ore processing
12/18/2013CN103451449A Activation extraction separation method for fluorine and chloride ions in zinc sulfate solution
12/18/2013CN103451447A Method for recovering copper and cobalt from high-iron waste water treatment and residue
12/18/2013CN103451438A Method for extracting and recovering copper and selenium from copper anode sludge by microwave treatment
12/18/2013CN103451437A Recovery and utilization method of valuable metal sludge containing copper, nickel and cobalt
12/18/2013CN103451432A Method for extracting lead and precious metals from dead catalysts containing precious metals
12/18/2013CN103451431A Method for extracting arsenic and precious metals from dead catalysts containing precious metals
12/18/2013CN103451428A Ruthenium purifying technology in plutonium purification cycle of Purex process
12/18/2013CN103451427A Heavy rare earth and light rare earth separation method and extraction agent
12/18/2013CN103451426A Method for separating uranium and thorium and reagent used for separation
12/18/2013CN103451425A Thorium element and rare earth element separation method and separation reagent
12/18/2013CN103451424A Method for improving filtration velocity of ore dissolution liquid
12/18/2013CN103451423A Solution preparation method of electrolytic manganese metal
12/18/2013CN103451422A Method for preparing iron oxide for iron making by using steel acid-washing wastewater sludge
12/18/2013CN103451412A Technique and system for preparing fine iron powder from low-grade limonite by wet process
12/18/2013CN103451411A Technique and system for preparing fine iron powder from siderite
12/18/2013CN102851496B Treatment method of high-indium high-iron zinc concentrate
12/18/2013CN102758081B Method for microwave plasma roasting and non-cyanogen gold leaching of sulfur-bearing gold mineral
12/18/2013CN102758079B Energy-saving optimizing technology for microwave roasting and non-cyanogen gold leaching of sulfur-bearing gold mineral
12/18/2013CN102191378B Electrolyte preparation process for electrolyzing manganese
12/17/2013US8609063 Metal extractant reagents having increased resistance to degradation
12/12/2013WO2013185002A1 Light activated cation separation
12/12/2013WO2013181724A1 Selective base metals leaching from laterite ores
12/12/2013US20130330255 Method for collection of ruthenium or ruthenium compound
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