Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429)
12/2014
12/17/2014CN103436715B 一种从石煤中提取钒的方法 A method for extracting vanadium from stone coal
12/17/2014CN103397201B 从杂齒石矿中静态溶浸提取钾以及制备硫酸钾的方法 From the hybrid method of static leaching quarry tooth extraction and preparation of potassium sulfate, potassium
12/17/2014CN103397186B 一种从电子废弃物中回收稀贵金属的再生方法及工艺 A process for recovering rare metals from regeneration method and process electronic waste
12/17/2014CN103290217B 高压蒸汽法处理锂矿石提锂工艺 High-pressure steam treatment of lithium ore extracting lithium technology
12/17/2014CN103184356B 一种稀土磷矿的处理方法和富集稀土的方法 Rare earth phosphate processing method and the method of enrichment of rare earth
12/17/2014CN102895952B 一种选择性吸附金离子的多孔碳材料及其制备方法和应用 A selective adsorption of gold ions in the porous carbon material and preparation method and application
12/17/2014CN102719668B 全湿法处理锌浸出渣分步提取锌、铅、银的工艺 Hydrometallurgical processing of zinc leaching residue extraction step zinc, lead, silver craft
12/16/2014US8911533 Method of recovering gold from dilute gold solution
12/16/2014US8911531 Hydrometallurgical plant of nickel laterite ore and operation method thereof
12/11/2014US20140363356 Extraction of gold
12/10/2014CN203999769U 一种集成化铼回收浓缩设备 An integrated recycling rhenium enrichment equipment
12/10/2014CN203999768U 一种稀土萃取分离过程控制油水相平衡的装置 Rare earth extraction process control equipment water equilibrium
12/10/2014CN203999767U 一种钨冶炼自动配料系统 One of the tungsten smelting automatic batching system
12/10/2014CN203999750U 一种稀土萃取分离槽体的加热器 Rare earth extraction and separation tank heater body
12/10/2014CN203999749U 一种模块化移动浸出液处理装置 A mobile processing unit modular leachate
12/10/2014CN203999748U 一种用于矿浆降温降压的装置 A slurry cooling device for the buck
12/10/2014CN104204246A 制铁用赤铁矿的制造方法 With hematite iron manufacturing methods
12/10/2014CN104204245A 制铁用赤铁矿的制造方法 With hematite iron manufacturing methods
12/10/2014CN104203830A 制铁用赤铁矿的制造方法 With hematite iron manufacturing methods
12/10/2014CN104195336A 一种重稀土元素的萃取分离方法 A method of extraction and separation of heavy rare earth elements
12/10/2014CN104195335A 一种重稀土元素的萃取分离方法 A method of extraction and separation of heavy rare earth elements
12/10/2014CN104195334A 一种从轻稀土镨钕富集物料中优先萃取分离低铝纯钕的方法 Rare earth neodymium praseodymium preferentially enriched material extraction and separation of pure neodymium low aluminum lighter approach
12/10/2014CN104195333A 一种含锰银金矿的预处理方法 A silver-gold mine manganese pretreatment
12/10/2014CN104195332A 一种晶型碳酸稀土的制备方法 A method for preparing rare earth carbonate polymorph of
12/10/2014CN104195331A 一种用稻草杆浸取低品位软锰矿制备高纯硫酸锰的方法 A straw pole leaching of low grade manganese ore and manganese sulfate method for preparing high purity
12/10/2014CN104195330A 粉煤灰酸浸提钒中回收十二水硫酸铝钾结晶工艺方法 Twelve aluminum potassium sulfate crystallization process for the recovery of vanadium acid leaching of fly ash
12/10/2014CN104195324A 一种提高污水中和渣中三氧化硫含量的方法 A way to improve sewage and slag sulfur trioxide content method
12/10/2014CN104193724A 一种对叔丁基砜桥硫代杯[4]芳烃及其分离纯化铯的方法 A method for the tert-butyl sulfone bridge thiosulfate Calix [4] arene and its purification cesium
12/10/2014CN103849782B 一种高砷锑白粉高压碱性浸出脱砷方法 A high-arsenic and antimony heroin high pressure alkaline leaching arsenic removal method
12/10/2014CN103695664B 一种新型湿法炼锌溶液净化工艺 A new solution purification process hydrometallurgy
12/10/2014CN103695662B 一种湿法炼锌窑渣铁精矿的综合利用方法 Hydrometallurgy kiln utilization method of slag and iron ore
12/10/2014CN103627912B 一种制备硫酸锌溶液脱氯剂的方法 A method of zinc sulfate solution prepared antichlor
12/10/2014CN103468958B 一种红土镍矿湿法冶炼尾矿无害化的方法 One kind of laterite nickel ore tailings hydrometallurgical method of detoxifying
12/10/2014CN103436712B 一种提高难处理矿物中铜浸出率的方法 A refractory mineral copper leaching rate of methods to improve
12/10/2014CN103397212B 一种基于膜技术的离子型稀土矿提取工艺及装置 An ionic rare earth mineral extraction process based on membrane technology and equipment
12/10/2014CN103397211B 一种快速破坏阴极射线管荧光粉废料结构的方法 A rapid destruction of the cathode ray tube phosphor scrap Structure Method
12/10/2014CN103388086B 一种从含锗废弃元件中提取锗的方法 A method for extracting germanium from germanium-containing scrap elements
12/10/2014CN103276205B 一种钒铬浸出液中分离提取钒铬的方法 Chrome vanadium leaching solution method for separating and extracting vanadium chromium
12/10/2014CN103131857B 一种从废三元催化剂中提纯铂族金属的方法 A method of purification of platinum group metals from spent three-way catalyst
12/10/2014CN103060562B 一种无机强酸镍盐溶液的提纯方法 A method of purifying a solution of a nickel salt of inorganic acid
12/10/2014CN103014350B 一种次氧化锌的回收利用方法 A second recycling method of the zinc oxide
12/10/2014CN102978410B 一种铟反萃液净化渣的回收方法 A method of recovering indium stripping solution purification slag
12/10/2014CN102828052B 从锂云母原料中提锂后分离钾铷铯矾的方法 Potassium, rubidium and cesium alum isolated from the raw material after extraction of lithium lepidolite
12/10/2014CN102808083B 锌液净化中的除镉工艺及锌液净化方法 In addition to purification of liquid zinc cadmium zinc liquid purification process and method
12/10/2014CN102796867B 离子型稀土矿除杂的方法 Ionic rare earth mineral impurity methods
12/10/2014CN102776366B 一种两代酸解分解废旧稀土发光材料的工艺 An acid solution of two generations of waste decomposition process rare earth luminescent materials
12/09/2014US8906328 Heap leaching of manganese-containing ores
12/09/2014US8906220 Method for production of metallic cobalt from the nickel solvent extraction raffinate
12/09/2014US8906132 Surface-modified biomass, preparation method thereof, and method for recovering valuable metals using the same
12/04/2014US20140356260 Method for separating rhenium and arsenic, and method for purification of rhenium
12/04/2014US20140356225 Method for pre-treatment of gold-bearing oxide ores
12/02/2014US8900342 Process for separating copper and/or nickel from cobalt containing solutions
11/2014
11/27/2014US20140348732 Operating method in hydrometallurgy of nickel oxide ore
11/27/2014US20140348731 Method for producing cobalt sulfate
11/27/2014US20140348729 Process for separating and recovering metals
11/27/2014US20140348728 Method for Improving Gold Recovery
11/25/2014US8894865 Process for depleting calcium and/or iron from geothermal brines
11/25/2014US8894740 Process for the recovery of gold from an ore in chloride medium with a nitrogen species
11/18/2014US8888985 Process for producing rare metal
11/18/2014US8888892 Method for separating nickel and cobalt from active material contained in spent nickel-metal hydride battery
11/18/2014US8888891 Metal recovery method using protonemata of moss plants
11/18/2014US8888890 Ore leaching method for metals recovery
11/13/2014US20140332404 Process for Producing High-Purity Tin
11/13/2014US20140331822 Process of Leaching Gold
11/11/2014US8883097 Sulfidisation process and apparatus for enhanced recovery of oxidised and surface oxidised base and precious metal minerals
11/06/2014US20140328737 Cobalt extraction method
11/06/2014US20140328736 Method for separation of chemically pure os from metal mixtures
10/2014
10/30/2014US20140322109 Method for producing high-purity nickel surface
10/30/2014US20140322108 Treatment of sulphidic materials
10/30/2014US20140322106 Method for the treatment of ore material
10/28/2014US8871170 Polyhalite IMI process for KNO3 production
10/28/2014US8871162 Process of gold and copper recovery from mixed oxide—sulfide copper ores
10/28/2014US8871004 Methods for agglomerating ores
10/28/2014US8871003 Process for controlled oxidation of a ferrous solution
10/28/2014US8871001 Method for leaching zinc from a zinc ore
10/28/2014US8869992 Lighting apparatus for capturing and stabilizing mercury
10/23/2014US20140314641 Flotation reagents and flotation processes utilizing same
10/23/2014US20140311297 Compounds and methods to isolate gold
10/23/2014US20140311296 Method for leaching a sulphidic metal concentrate
10/21/2014US8865119 Method for processing acidic solution that contains iodide ions and iron ions
10/21/2014US8865057 Apparatus and methods for industrial-scale production of metal matrix nanocomposites
10/21/2014US8864872 Method for the recovery of uranium from pregnant liquor solutions
10/16/2014US20140308197 Production of titanium compounds and metal by sustainable Methods
10/14/2014US8859249 Process of treatment for oxidizing an acidic solution containing an iodide ion and an iron (II) ion
10/14/2014US8858799 Method and arrangement for separating two solutions mixed in dispersion into two solution phases in a liquid-liquid extraction separation cell
10/09/2014US20140298954 Extraction of gold from fine carbon residue
10/07/2014US8852777 Methods for the preparation and purification of electrolytes for redox flow batteries
10/07/2014US8852549 Method for maintaining the ratio of the oxime to equilibrium modifier concentration in solvent extraction circuits
10/07/2014US8852317 Method for recovering tantalum
10/02/2014WO2014158844A1 Systems and methods for improved metal recovery using ammonia leaching
10/02/2014WO2014158842A1 Systems and methods for improved metal recovery using ammonia leaching
10/02/2014WO2014158043A1 Method for recovery of rhenium from nickel-containing superalloys
10/02/2014WO2014157225A1 Adsorbent for rare earth element and method for recovering rare earth element
10/02/2014WO2014156351A1 Method for recovering gold from gold ore containing pyrite
10/02/2014WO2014156350A1 Method for recovering gold from sulfide ore
10/02/2014WO2014156349A1 Method for recovering gold from sulfide ore
10/02/2014WO2014156300A1 Precious metal recovery method using copper halide-containing organic solvent system
10/02/2014WO2014155855A1 Method for manufacturing hematite for iron manufacture
10/02/2014WO2014154407A1 Plant and process for separating metals
10/02/2014WO2014154182A1 Method for converting and decomposing bastnaesite rare earth ore by calcinating same with calcium compound and masking agent
1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 165