| Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429) |
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| 05/09/2012 | CN102443703A Method for extracting copper from scrap copper through wet process |
| 05/09/2012 | CN102443700A Method for recovering nickel from nickel-laterite leaching solution and device |
| 05/09/2012 | CN102443699A Method for separating single rare earth by combining non-saponification, transformation prepurification and linkage extraction |
| 05/09/2012 | CN102443698A Method for controlling pH rise in metal process in microbiological leaching waste circuit board |
| 05/09/2012 | CN102443697A Method for comprehensively using high-iron bauxite |
| 05/09/2012 | CN102443696A Method for selectively dissolving Cu-Co alloy through catalytic oxidation process |
| 05/09/2012 | CN102442653A Method for enriching P2O5 and rare-earth elements in low/middle-grade phosphorite |
| 05/09/2012 | CN101984096B Method for extracting noble metal ions by using magnetic medium |
| 05/09/2012 | CN101948956B Method for self-heating agitation leaching in ore hydrometallurgy |
| 05/09/2012 | CN101880770B Application of extractant and method for extracting zinc from ammonia solution |
| 05/09/2012 | CN101857917B Method of classified leaching of oxidized ore with abundant mud |
| 05/09/2012 | CN101857916B Liquid distributing method in tank leaching process |
| 05/09/2012 | CN101519723B Clean production process for extracting vanadium in carbonaceous shale containing vanadium by hot press oxidation method |
| 05/09/2012 | CN101040058B Pressure leaching system and method |
| 05/08/2012 | CA2469746C Production of synthetic rutile by continuous leaching |
| 05/03/2012 | WO2012055167A1 Bacterial liquid of microbial combinations for biometallurgical leaching of copper ore and method for recovering metallic copper therefrom |
| 05/02/2012 | CN202207573U Horizontal pressure leaching reaction kettle for labs |
| 05/02/2012 | CN102433569A Method for electrolyzing high-alkali gangue type low-grade zinc oxide ore leachate treated by ammonia leaching process |
| 05/02/2012 | CN102433443A Method for recycling copper from electroplating sludge and electroplating wastewater |
| 05/02/2012 | CN102433439A Method for recovering rhenium from arsenic filter cake |
| 05/02/2012 | CN102433435A Extracting agent for extracting germanium and gallium and extraction method using same |
| 05/02/2012 | CN102433434A Method for increasing recovery rate of lithium separated with lithium-containing brine membrane method by using water as circulating working substance (water washing circulation method) |
| 05/02/2012 | CN102433433A Whole-wet method treatment process for extracting and preparing Mo and Ni products from refractory Mo-Ni ore |
| 05/02/2012 | CN101545053B Method for preparing gallium electrolyte from yellow phosphorus electric dust |
| 05/01/2012 | US8167974 Terephthalic acid purge filtration rate by controlling % water in filter feed slurry |
| 04/26/2012 | WO2012053614A1 Copper concentrate treatment method |
| 04/26/2012 | WO2012051652A1 Method for treating arsenic containing materials |
| 04/26/2012 | WO2012005548A3 Method for economical extraction of magnesium,boron and calcium from lithium bearing solution |
| 04/26/2012 | WO2012005545A3 Method for economical extraction of lithium from solution including lithium |
| 04/26/2012 | CA2814871A1 Method for treating arsenic containing materials |
| 04/25/2012 | EP2444507A1 Recovery of rare earth metals from waste material by leaching in non-oxidizing acid and by precipitating using sulphates |
| 04/25/2012 | EP2285455B1 Method for treating an asbestos solid |
| 04/25/2012 | CN202199140U 一种闪蒸罐 One kind of flash tank |
| 04/25/2012 | CN102424913A Method for separating vanadium and chromium from mixing solution containing vanadium (V) and chromium (VI) |
| 04/25/2012 | CN102002597B 一种从低品位碲渣中综合回收有价金属的方法 A comprehensive recovery of valuable metals from low-grade tellurium slag method |
| 04/25/2012 | CN101864523B 利用氢氧化钠碱熔法处理低品位红土镍矿的清洁生产工艺 Handling clean production process using low-grade nickel laterite sodium alkali fusion |
| 04/25/2012 | CN101805829B 高硫/铜比次生硫化铜矿选择性生物浸出工艺 High-sulfur / copper ratio of secondary copper sulfide bioleaching process selectivity |
| 04/25/2012 | CN101643847B 锆铪分离用磷酸三丁酯萃淋树脂的制备方法 Zirconium and hafnium separation and preparation method tributyl phosphate Levextrel of |
| 04/24/2012 | US8163063 Method of leaching copper sulfide ore with the use of iodine |
| 04/24/2012 | CA2507370C Separation process for platinum group elements |
| 04/19/2012 | WO2012050317A2 Method for recovering valuable metals from lithium secondary battery wastes |
| 04/19/2012 | WO2012049361A1 Method for treating a solution containing zinc sulphate |
| 04/19/2012 | WO2010144435A3 High efficiency right angle gearbox |
| 04/19/2012 | US20120090430 Ionic liquid solvents of perhalide type for metals and metal compounds |
| 04/19/2012 | CA2812498A1 Method for treating a solution containing zinc sulphate |
| 04/18/2012 | EP2440678A1 Method and apparatus for regeneration of extraction solution in metal extraction processes |
| 04/18/2012 | EP2058410B1 Process for treating aqueous lateritic-ore pulps in pressurized acid technology |
| 04/18/2012 | CN202195065U 一种用于萃取箱的水密封装置 A sealing device for the extraction of the water tank |
| 04/18/2012 | CN102421708A Scorodite-type iron-arsenic compound particles, production method, and arsenic-containing solid |
| 04/18/2012 | CN102417992A Purification method of thorium |
| 04/18/2012 | CN102417986A 一种高纯低锆氧化铪的制备方法 Method for preparing high-purity zirconium oxide and hafnium low |
| 04/18/2012 | CN102417984A 硫酸锌溶液的净化方法及装置 Zinc sulfate solution purification method and apparatus |
| 04/18/2012 | CN102417983A 无皂化萃取分离硫酸稀土的方法 No method of saponification extraction separation of rare earth sulphate |
| 04/18/2012 | CN102417982A 一种采用萃取方法去除钙和镁的方法 One kind of extraction method using a method to remove calcium and magnesium |
| 04/18/2012 | CN102417981A Method for extracting and separating platinum, palladium and rhodium by using ionic liquid-based three-liquid phase system |
| 04/18/2012 | CN102417980A Method for producing nickel sulfate by leaching Lateritic nickle ores with both sulfuric acid and ammonia |
| 04/18/2012 | CN102417979A 硫化锌精矿的处理方法 Treatment of zinc sulfide concentrates |
| 04/18/2012 | CN102417978A 一种富集煤矸石中钛的方法 One kind of method for enrichment of titanium in gangue |
| 04/18/2012 | CN102417972A 难选冶铁锰共生贫矿双还原制铁精矿和锰化工产品的方法 Refractory ferromanganese symbiotic double Reduction lean ore and manganese, iron ore method of chemical products |
| 04/18/2012 | CN102416399A 从锌窑渣中综合回收铁银铜碳的方法 Comprehensive recycling iron from zinc-silver-copper furnace slag carbon method |
| 04/18/2012 | CN102051635B 一种采用高电流密度硫酸电解质生产金属钴的方法 One kind of high-current-density electrolytic production of cobalt sulfate method |
| 04/18/2012 | CN102041377B 回收钒钛磁铁精矿中铁、钒、铬的方法 Recovery of vanadium-titanium magnetite concentrate iron, vanadium, chromium methods |
| 04/18/2012 | CN101946026B 从izo废料中回收有价值金属的方法 Recovering valuable metals from scrap method izo |
| 04/18/2012 | CN101748289B 湿法炼锌的中性浸出方法 Neutral leaching method of hydrometallurgy |
| 04/18/2012 | CN101701291B 蒸馏法从ito废靶材中回收铟锡的方法 The method of distillation indium tin recovered from the waste target material ito |
| 04/18/2012 | CN101629238B 一种钴湿法冶炼中的洗渣方法 One kind of cobalt hydrometallurgical method of washing slag |
| 04/12/2012 | WO2012047711A1 Method and article of manufacture for solvent extraction operation |
| 04/12/2012 | CA2808676A1 Method and article of manufacture for solvent extraction operation |
| 04/11/2012 | EP2439292A1 A metal recovery method using protonemata of moss plants |
| 04/11/2012 | CN102409178A 一种从高温合金废料中回收铁钴镍金属产品的方法 A method of recovering nickel iron cobalt superalloy scrap metal products from the |
| 04/11/2012 | CN102409177A Method for comprehensively recovering aluminum, silicon and titanium from pyrite tailings |
| 04/11/2012 | CN102409172A 一种分离四价铈或四价铈与氟的方法 An isolated tetravalent cerium or tetravalent cerium and fluorine methods |
| 04/11/2012 | CN102409171A New process for treating vulcanized gold-containing ore |
| 04/11/2012 | CN102409165A 一种高砷冶金废料梯度脱砷方法 A high-arsenic metallurgical wastes gradient method for arsenic removal |
| 04/11/2012 | CN102409161A 一种提高金银浸出率的方法 An enhanced method of gold and silver leaching rate |
| 04/11/2012 | CN102409160A 一种去除低品位铝土矿中钛铁的方法 A low-grade bauxite method of removing ferrotitanium |
| 04/11/2012 | CN101974684B 锂云母浸取液除杂工艺 Lepidolite impurity removal process leach solution |
| 04/11/2012 | CN101956071B 一种铜矿石的生物冶金浸矿微生物组合菌液及其回收金属铜的方法 Bioleaching bioleaching bacteria and microbes combination of a method for recovering copper copper ore |
| 04/10/2012 | US8152896 Separation of fine particle precious metals from clays and other gangue materials through application of diluted solution of a silicon chemical |
| 04/10/2012 | CA2634876C Methods of making and washing scorodite |
| 04/05/2012 | WO2012044858A1 Waste treatment process |
| 04/05/2012 | WO2012042714A1 Lithium extraction method, and metal recovery method |
| 04/05/2012 | WO2012040829A1 Selective leach recovery of zinc from a composite sulphide ore deposit, tailings, crushed ore or mine sludge |
| 04/05/2012 | US20120080382 Method and apparatus for regeneration of extraction solution in metal extraction processes |
| 04/05/2012 | CA2812823A1 Selective leach recovery of zinc from a composite sulphide ore deposit, tailings, crushed ore or mine sludge |
| 04/04/2012 | EP2435590A1 Method of oxidative leaching of sulfide ores and/or concentrates |
| 04/04/2012 | EP2179967B1 Method for treatment of arsenic-containing nonferrous smelting intermediate product |
| 04/04/2012 | EP2174913B1 Method of treating nonferrous smelting intermediate products containing arsenic |
| 04/04/2012 | CN102399999A 一种稀土与锶共伴生多金属矿综合回收工艺 Rare earth and strontium were associated polymetallic ore Comprehensive Recovery Technology |
| 04/04/2012 | CN102399997A 一种选冶联合炼锌的方法 A joint approach Zinc Xuanye |
| 04/04/2012 | CN102399991A Method for realizing nickel recovery in electroplating sludge |
| 04/04/2012 | CN102399990A 一种从废旧含铌高温合金提取氧化铌的方法 A method of extracting the niobium-containing superalloys from waste niobium oxide |
| 04/04/2012 | CN102399989A 一种从锡电解阳极泥中使锡与锑、铋、砷、铜分离的方法 A method and antimony, bismuth, arsenic, copper, tin isolated from tin anode slime manipulation |
| 04/04/2012 | CN102399986A 一种从含锌铜金精矿焙烧酸浸萃取提铜后液中回收锌的方法 A dip zinc-copper-gold concentrate roasting from the acid solution after extraction extract copper zinc recovery methods |
| 04/04/2012 | CN102399985A 一种镓富集溶液除有机物的方法 Addition of organic solution of a gallium enrichment method |
| 04/04/2012 | CN102399984A 一种从含锌废水中萃取回收锌的方法 A method of extraction of zinc from zinc-containing wastewater recycling of |
| 04/04/2012 | CN102399983A 氟碳铈矿(氟碳铈镧矿)咯合分离法 Bastnaesite (bastnasite) slightly close separation |
| 04/04/2012 | CN102399982A 氟碳铈矿(氟碳铈镧矿)混合酸分离法 Bastnaesite (bastnasite) mixed acid separation |
| 04/04/2012 | CN102399976A Roasting pretreatment process for extracting vanadium pentoxide from high-carbon scherbinaite-containing coal mine and vanadium pentoxide extracting method |
| 04/04/2012 | CN102399975A 氟碳铈矿(氟碳铈镧矿)清洁化分离法 Bastnaesite (bastnasite) clean separation |