| Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429) |
|---|
| 11/30/2011 | CN102260797A 一种利用废气从含锰废水废渣中回收锰的生产工艺 A recovery of manganese from manganese waste water sludge production process utilizing exhaust |
| 11/30/2011 | CN102260796A 湿法提锌中废渣再次回收的提取除杂方法 Hydrometallurgical extraction method impurity zinc waste recycling again |
| 11/30/2011 | CN102260795A 一种用铜镍再生资源直接生产电解镍的方法 A renewable resource with direct production of electrolytic nickel-copper-nickel method |
| 11/30/2011 | CN102260794A 一种含镍、铵水溶液加硫化钠回收镍的方法 A nickel, plus aqueous ammonium sulfide-containing nickel recovery |
| 11/30/2011 | CN102260793A 一种利用微波辐照技术从铀水冶合格液中沉淀铀的方法 An advantage of microwave irradiation precipitate uranium from uranium milling qualified solution method |
| 11/30/2011 | CN102260792A 一种含钒石煤加浓硫酸及添加剂堆浸提钒的方法 A stone coal vanadium plus concentrated sulfuric acid and additives heap leaching of vanadium-containing |
| 11/30/2011 | CN102260791A 一种红土镍矿堆浸方法 One kind of nickel laterite heap leaching method |
| 11/30/2011 | CN102258884A 一种糖析诱导的两相体系萃取金属离子的方法 A method of analyzing sugar-induced two-phase extraction system of metal ions |
| 11/30/2011 | CN101880769B 化工固液分离及贵重金属回收工艺 Chemical solid-liquid separation and precious metals recovery process |
| 11/30/2011 | CN101824541B 一种湿法炼锌副产物的处理方法 Processing method hydrometallurgy byproducts |
| 11/30/2011 | CN101812587B 含铜尾渣的湿法浸出方法 Wet leaching copper tailings |
| 11/30/2011 | CN101760613B 含锌矿石的浸出方法 Zinc ore leaching method |
| 11/30/2011 | CN101586190B 镍氢废电池正极材料的浸出方法 Waste leaching method NiMH battery cathode materials |
| 11/30/2011 | CN101384737B 回收金的方法 Method for recovering gold |
| 11/29/2011 | US8066794 System and method for recovering minerals |
| 11/25/2011 | CA2740249A1 A process for separating copper and nickel from cobalt containing solutions |
| 11/24/2011 | WO2011145760A1 Method and apparatus for extracting precious metal from an inorganic granular waste catalyst |
| 11/24/2011 | WO2011145688A1 Method for processing acidic solution that contains iodide ions and iron ions |
| 11/24/2011 | WO2011145644A1 Method for controlling reaction in sulfuration reaction step |
| 11/24/2011 | WO2011143764A1 Solvent extraction process for separating cobalt from nickel in aqueous solution |
| 11/24/2011 | WO2011143689A1 Method for the extraction and recovery of vanadium |
| 11/24/2011 | CA2799789A1 Solvent extraction process for separating cobalt from nickel in aqueous solution |
| 11/24/2011 | CA2799528A1 Method for controlling reaction in sulfuration reaction step |
| 11/24/2011 | CA2797296A1 Method for the extraction and recovery of vanadium |
| 11/23/2011 | EP2388344A1 Method for extracting and separating rare earth elements |
| 11/23/2011 | EP2388343A1 Method for extracting and separating rare earth elements |
| 11/23/2011 | EP2388238A1 Process for preparing vanadium pentoxide |
| 11/23/2011 | CN202047113U Noble metal cooling and filtering device |
| 11/23/2011 | CN202047110U Multifunctional automatic control column leaching test device |
| 11/23/2011 | CN202047109U Ore leaching test device |
| 11/23/2011 | CN102257169A Hydrometallurgical method for the reuse of secondary zinc oxides rich in fluoride and chloride |
| 11/23/2011 | CN102251253A Method for extracting and separating nickel, iron and copper from electrolyte |
| 11/23/2011 | CN102251244A Cyclic regeneration and copper extraction process for printed circuit board etching waste solution |
| 11/23/2011 | CN102251127A Comprehensive wet recovery method for removing lead slag from stibium through pyrorefining |
| 11/23/2011 | CN102251122A Process for silver extraction by acidifying calcination and leaching of lead silver slag |
| 11/23/2011 | CN102251120A Desulfurization method for acid leaching process of manganese-rich slag |
| 11/23/2011 | CN102251119A Method for recycling vanadium extraction tailings |
| 11/23/2011 | CN102251113A Method for purifying vanadium leaching solution |
| 11/23/2011 | CN102251112A Multicomponent compound salicylaldoxime copper extractant |
| 11/23/2011 | CN102251111A Method for recovering gold-carried active carbon powder |
| 11/23/2011 | CN102251110A Method for recovering gold-loaded active carbon powder by using active carbon filter device |
| 11/23/2011 | CN102251109A Antifreezing method of sulfide ore bioleaching ore heap |
| 11/23/2011 | CN102251108A Pre-processing method of highly alkaline sulfide ore heap bioleaching |
| 11/23/2011 | CN102251107A Method for treating rhenium-containing raw material |
| 11/23/2011 | CN102251106A Method for decomposing rare earth concentrate in Baotou by alkaline process |
| 11/23/2011 | CN102251105A Low-grade manganese ore separation method |
| 11/23/2011 | CN102251104A Leaching method of low-grade copper oxide mud ore |
| 11/23/2011 | CN102251103A Circulating graded leaching method of stone coal acid-leaching vanadium extraction sulfuric acid |
| 11/23/2011 | CN102251102A Method for heap-leaching nickel from laterite by using sulfuric acid |
| 11/23/2011 | CN102251101A Process for extracting gold from carbonaceous gold concentrate |
| 11/23/2011 | CN102251099A Method for removing arsenic, sulfur and phosphorus by using thiobacillusacidophilus |
| 11/23/2011 | CN102251098A Method for extracting rare noble metals |
| 11/23/2011 | CN101967562B Method for recovering germanium from silicon-germanium alloy by wet method |
| 11/23/2011 | CN101948954B Gold recovery technology for processing arsenious S-C gangue coated gold concentrate by microwave fluidized roasting |
| 11/23/2011 | CN101935621B Acidithiobacillus ferrooxidans genetic engineering bacteria and use thereof |
| 11/23/2011 | CN101787436B Wet-method preprocessing method for extracting gold through sulfating roasting slag of ore concentrate containing stibium and gold |
| 11/23/2011 | CN101775619B Clean metallurgical method for bismuth or stibium by wet method |
| 11/22/2011 | US8062614 Methods for improving the recovery of metal leaching agents |
| 11/22/2011 | US8062580 Apparatus for recycling metal from metal ions containing waste solution |
| 11/22/2011 | US8062526 Separation of platinum group metals |
| 11/17/2011 | WO2011140593A1 Recovery of platinum group metals from platinum group metal-containing materials |
| 11/17/2011 | WO2011070219A8 Method and apparatus to create uniform mixing in connection with a hydrometalurgical process |
| 11/17/2011 | US20110277593 Controlled copper leach recovery circuit |
| 11/16/2011 | EP2386662A1 Method for the sorptive extraction of precious metals |
| 11/16/2011 | EP2385994A1 Method of agglomeration |
| 11/16/2011 | CN202039109U Spraying and spinning-leaching device for tin-plating copper granule copper-tin separation |
| 11/16/2011 | CN102242276A Process for extracting noble metal palladium from industrial solid wastes |
| 11/16/2011 | CN102242271A Method for preparing bismuth oxide from bismuth-containing solution with high concentration of copper |
| 11/16/2011 | CN102242269A Method for selectively recovering lead from pregnant solution containing cyanides and heavy metals |
| 11/16/2011 | CN102242268A Process for treating black copper slag through electrolytic method |
| 11/16/2011 | CN102242267A Method for recycling valuable metal in manganese-rich slag |
| 11/16/2011 | CN102242266A Process for recovering cobalt, copper, zinc and manganese in manganese chloride residual liquid |
| 11/16/2011 | CN102242265A Technology for extracting precious metal platinum from industrial solid waste materials |
| 11/16/2011 | CN102242264A Method for removing organics from stripping liquid |
| 11/16/2011 | CN102242263A Device and method for deoiling nickel sulfate solution |
| 11/16/2011 | CN102242262A Method for treating low-grade zinc oxide ore by using weakly alkaline amino acid salt system |
| 11/16/2011 | CN102242261A Control method of cyaniding heap leaching alkalinity |
| 11/16/2011 | CN102242260A Method for leaching gold from refractory gold sulfide concentrate by using alkaline thiocyanate solution under oxygen pressure |
| 11/16/2011 | CN101935768B Method for comprehensively recovering carbon from extraction of vanadium from stone coal |
| 11/16/2011 | CN101824546B Method for recovering silver from lead-separating liquid of silver-separating residue of copper anode slime |
| 11/16/2011 | CN101736167B Method for leaching nickel-containing eluvial ore |
| 11/16/2011 | CN101736150B Leaching process for nickel-containing eluvial ores |
| 11/16/2011 | CN101670242B Separating technology of extractive phase pre-disperse immersion type hollow fiber support liquid membrane |
| 11/16/2011 | CN101619391B Method for separating and extracting gold from cyanide gold-leaching barren solution |
| 11/16/2011 | CN101476036B Method for extracting vanadium by stone coal and sulfuric acid wet pile oxidation conversion at normal temperature and pressure |
| 11/16/2011 | CN101395285B Process for the acid digestion of metal-containing compounds |
| 11/16/2011 | CN101100286B Stable high-temperature borohydride formulation |
| 11/15/2011 | CA2730558C Separation process for platinum group elements |
| 11/15/2011 | CA2666230C Method for collection of valuable metal from ito scrap |
| 11/15/2011 | CA2498855C Process of solvent extraction of copper |
| 11/10/2011 | WO2011138272A1 Flocculation assistant for titanium dioxide production |
| 11/09/2011 | CN202030808U Device for directly leaching electrolytic zinc anode-mud manganese dioxide |
| 11/09/2011 | CN202030803U Heater of wet-process extraction groove |
| 11/09/2011 | CN102234722A Process for separating copper in nickel-cobalt-copper system by solvent extraction method |
| 11/09/2011 | CN102234721A Treatment method of nickel-cobalt material |
| 11/09/2011 | CN102041380B Production process for extracting lithium from ore with low-temperature method |
| 11/09/2011 | CN101831669B High-temperature cyanogen-free gold loaded carbon desorption system and control method thereof |
| 11/09/2011 | CN101550493B Microwave-assisting method for fast leaching vanadium in stone coal vanadium ore |
| 11/08/2011 | US8052774 Method for concentration of gold in copper sulfide minerals |
| 11/05/2011 | CA2703276A1 Method for improving ore extraction |