Patents
Sitemap › C22 - Metallurgy; Ferrous or non-ferrous alloys; Treatment of alloys or non-ferrous metals › C22B - Production or refining of metals; Pretreatment of raw materials › C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes
Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429)
06/2010
06/16/2010EP2195469A1 Resin-in-leach process to recover nickel and/or cobalt in ore leaching pulps
06/16/2010CN101743202A Method of treating copper-arsenic compound
06/16/2010CN101736167A Method for leaching nickel-containing eluvial ore
06/16/2010CN101736166A Method for extracting zinc from refractory zinc core in hydrometallurgy by dispergator
06/16/2010CN101736158A Copper extracting agent
06/16/2010CN101736157A Process for absorbing and extracting valuable metal ions in leachate of laterite nickel ore by applying immobilized room temperature ionic liquid
06/16/2010CN101736156A Method for comprehensively utilizing high-iron biological copper leaching liquid
06/16/2010CN101736155A Method for control oxidation of pyrite in bioleaching process
06/16/2010CN101736154A Method for keeping biological activity in biological heap leaching process and improving leaching efficiency
06/16/2010CN101736153A Method for extracting ammonium molybdate from molybdenum concentrate through pressure ammonia leaching
06/16/2010CN101736152A Acid washed ore leaching process for low-grade copper oxide ores with high mud content
06/16/2010CN101736151A Method for removing iron by oxidation and neutralization in cobalt wet smelting process
06/16/2010CN101736150A Leaching process for nickel-containing eluvial ores
06/16/2010CN101736149A Leaching method for nickel-containing eluvial ores
06/16/2010CN101733862A Waste plastics environment-friendly treatment method
06/16/2010CN101732956A Process for producing manganese salt by using sulfur-containing smoke gas
06/16/2010CN101392326B Method for recovering gold from all-sliming cyanidation gold extraction slag
06/15/2010US7736606 Process for the recovery of value metals from base metal sulfide ores
06/15/2010US7736584 Method for manufacturing a mixer-settler and mixer-settler
06/15/2010CA2513309C Process for the recovery of titanium in mixed chloride media
06/15/2010CA2431403C Process for recovering arsenic from acidic aqueous solution
06/10/2010WO2010064149A2 System and method for wastewater treatment
06/10/2010WO2010064143A2 System and method for wastewater treatment
06/10/2010CA2744994A1 System and method for wastewater treatment
06/10/2010CA2744907A1 System and method for wastewater treatment
06/09/2010EP2194148A1 Production process of Co/Ni-sulfide in a sulfuric acid solution containing nickel and cobalt
06/09/2010CN101730753A Method for ammoniacal leaching
06/09/2010CN101724758A Method for recycling molybdenum of molybdenum-contained waste catalyst
06/09/2010CN101724753A Low-temperature alkaline lead-smelting method
06/09/2010CN101724750A Device for extracting gallium from sodium aluminate solution
06/09/2010CN101724749A Method for comprehensively treating copper oxide ore with high contents of mud, iron, calcium and magnesium
06/09/2010CN101724748A Method for leaching magnesium-containing ores
06/09/2010CN101476044B Method for recycling platinum and rhodium from binary aqua regia insoluble slag
06/09/2010CN101225470B Method for extracting nickel and cobalt from lateritic nickel by hydrochloric acid process
06/09/2010CN101135001B Method for eliminating sodium and potassium from lithium metal
06/08/2010US7731920 extraction; leaching; cation exchange resins; for recycling photovoltaic devices
06/08/2010US7731853 organic extraction solution is purified from entrainment of aqueous solution and impurities during hydrometallurgical liquid-liquid extraction; method treats an organic extraction solution, which is loaded with a valuable metal such as copper, to remove metal from the aqueous solution
06/08/2010US7731777 hydrometallurgical method for separating the precious metals and impurities from copper electrolysis; purification by leaching, calcination, oxidation, sulfation, reduction or by extraction
06/03/2010US20100132509 Method for thiosulfate leaching of precious metal-containing materials
06/02/2010EP2191026A1 Simplified process for leaching precious metals from fuel cell membrane electrode assemblies
06/02/2010CN201495268U Vertical dump leaching tank of navajoite calcination materials
06/02/2010CN1938436B Recovery of metals from oxidised metalliferous materials
06/02/2010CN101717955A Method for recovering copper and nickel from plastic chromium coatings
06/02/2010CN101717908A Intensified leaching process of steel-making dust of galvanized steel sheet
06/02/2010CN101717869A Extraction and separation technology of uranium and molybdenum contained in uranium and molybdenum alloy diffuse-type fuel element
06/02/2010CN101717868A Method for comprehensively recovering indium and gallium from distilled waste acid containing indium and gallium
06/02/2010CN101717864A Method for extracting nickel and cobalt through granulating and heap-leaching laterite nickel ore
06/02/2010CN101717862A Production process for comprehensively recovering valuable metal of copper, cobalt and iron alloy
06/02/2010CN101717861A Process for extracting indium aluminum from high-aluminum high-iron scum containing indium aluminum
06/02/2010CN101717858A Method for extracting molybdenum, nickel, vanadium and ferrum from polymetallic black-shale paragentic minerals
06/02/2010CN101717857A Method for rapidly and directly dipping nickel sulfide concentrate under action of ultrasonic wave
06/02/2010CN101717856A Method for removing iron in minerals
06/02/2010CN101435027B Method for recycling high purity molybdenum from molybdenum-containing spent catalyst
06/02/2010CN101386922B Method for extracting molybdenum by roasting high impurity sodium carbonate nickel-ferro-molybdenum
06/02/2010CN101343691B Pollution-free separation method for plumbum and silver
06/02/2010CN101328536B Process for comprehensive recovery of nickel, copper, cobalt, sulfur and magnesium from ore
06/02/2010CN101298638B Method for collecting nickel and cobalt from laterite-nickel ore lixivium
06/02/2010CN101260471B Complete set of cleaning producing technique for extracting soluble manganese from manganese residue by using anode liquor
06/02/2010CN101255494B Method for leaching nickel-cobalt from low-grade laterite nickel ore
06/02/2010CN101230469B Method for directly reclaiming metals from electron wastes
06/02/2010CN101215637B Method for eluting nickel from nickel-carrying activated carbon by cleanser essence
06/02/2010CN101186969B Method for separating rare earth, iron, copper, cobalt and tungsten from alloy
06/01/2010US7727510 Method of and apparatus for simulating a biological heap leaching process
06/01/2010US7727496 Contacting the cationic extractant with a portion of a purified valuable metal stream wherein valuable metal of portion of the purified stream are loaded on the cationic extractant to form a pre-equilibrated cationic extractant
06/01/2010CA2468855C Process for the treatment of molybdenum concentrate
06/01/2010CA2463268C Process for purification of aqueous solution of nickel sulfate containing cobalt and calcium
05/2010
05/27/2010WO2010057274A1 Process for controlled oxidation of a ferrous solution
05/27/2010US20100129277 Rare metal/platinum-group metal extractant and method for extracting rare metals and platinum-group metals
05/27/2010US20100126314 High temperature heap bioleaching process
05/27/2010CA2744483A1 Process for controlled oxidation of a ferrous solution
05/26/2010CN201485491U Slag washing system in cobalt wet process smelting
05/26/2010CN201482241U Liquid level regulating device used for extraction box
05/26/2010CN1653198B Method for separating platinum group element
05/26/2010CN1571853B Combination method for processing zinc silicate concentrate or mine and zinc sulphide calcined concentrate
05/26/2010CN101715493A Process for precious metal recovery from a sulphide ore or concentrate or other feed material
05/26/2010CN101713031A Method for removing impurities by oxidation in process of zinc hydrometallurgy
05/26/2010CN101713029A Comprehensively-utilizing process of waste residue containing vanadium, molybdenum, nickel and cobalt
05/26/2010CN101713028A Method for washing anode slime of electrolytic lead bismuth alloy
05/26/2010CN101713026A Method for extracting palladium from high-level liquid waste
05/26/2010CN101713025A Method for wet separation of mixed solution containing nickel and zinc
05/26/2010CN101311281B Green metallurgical process for integrated utilization of nickel laterite ore
05/25/2010US7722840 Method for thiosulfate leaching of precious metal-containing materials
05/25/2010CA2520039C Precious metal recovery using thiocyanate lixiviant
05/20/2010WO2010035956A3 Lithium recovery device using separator reservoir, lithium recovery method and lithium adsorption/desorption system using the same
05/19/2010CN201473578U Device for recovering extracting agent from gold extraction wastewater
05/19/2010CN101709392A Process method for extracting and separating rear earth without saponification
05/19/2010CN101709391A Method for producing electrolytic manganese metal by lixiviating sinter ore by adding ferrous sulphate in replacement of manganese carbonate ore
05/19/2010CN101709390A On-line circulation method for process for extracting vanadium from stone coal
05/19/2010CN101709386A Method for producing zinc by use of high-silicon zinc oxide ore
05/19/2010CN101709385A Method for sorting gold from gold-bearing high-arsenic tailings
05/19/2010CN101709382A Recovery and comprehensive treatment process of valuable metals in zinciferous materials
05/19/2010CN101709378A Method for depositing rare earth cerium (IV)
05/19/2010CN101709377A Purifying and impurity-removing method of leaching solution containing vanadium
05/19/2010CN101709376A Method for purifying alkaline vanadium leachate
05/19/2010CN101709375A Method for extracting metallic molybdenum in molybdenum-nickel ore by lye pressing immersion method
05/19/2010CN101709374A Method for preparing precursors of lithium titanate and lithium iron phosphate by comprehensively using ilmenite
05/19/2010CN101709373A Method and system for treating lead-zinc sulfide ores
05/19/2010CN101709369A Method for jointly producing chromium salt and ferrochromium alloy by sintering with wet and fire methods
05/19/2010CN101225481B Metallurgical extraction method for molybdenum-tungsten oxide bulk concentrate
05/19/2010CN101113490B Method for leaching indium from indium sulfide concentrate
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