| Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429) |
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| 09/04/2013 | CN103276207A Method for preparing titanium solution by wet-processing on vanadium-titanium magnetite concentrates |
| 09/04/2013 | CN103276206A Method for leaching gold in alkaline thiourea system efficiently and stably |
| 09/04/2013 | CN103276205A Method for separating and extracting vanadium and chromium from vanadium chromium leaching liquor |
| 09/04/2013 | CN103276204A Method for preparing titanium slag by wet-processing on vanadium-titanium magnetite concentrates |
| 09/04/2013 | CN103276196A Method for extracting vanadium from vanadium-titanium magnetite concentrates |
| 09/04/2013 | CN103276079A Method for detecting adsorbed-state microorganism in chalcopyrite biological leaching process |
| 09/04/2013 | CN102912124B Method for recovering nickel, cobalt, manganese and iron by hydrochloric acid leaching of nickel oxide ore |
| 09/04/2013 | CN102618736B Extraction separation method of rare-earth element |
| 09/04/2013 | CN102560100B Process for preparing high-purity superfine cobalt powder from copper-cobalt-iron alloy |
| 09/04/2013 | CN102312101B Extractant for treating heavy metals in fly ash and method for extracting heavy metals with the extractant |
| 09/04/2013 | CN102295303B Extraction method of lithium carbonate |
| 08/29/2013 | US20130221586 Method and apparatus for leaching metal from mining ore |
| 08/29/2013 | US20130220079 Process for the recovery of gold from an ore in chloride medium with a nitrogen species |
| 08/28/2013 | EP2631917A1 Solid-liquid process for extraction of radionuclides from waste solutions |
| 08/28/2013 | EP2630266A1 Method for treating arsenic containing materials |
| 08/28/2013 | CN203159688U Refractory gold ore processing device |
| 08/28/2013 | CN203159684U In-situ mineral leaching seepage test system |
| 08/28/2013 | CN103266231A High-efficiency and clean tungsten smelting method |
| 08/28/2013 | CN103266226A Method for extracting silver from silver-containing zinc concentrate and improving quality of zinc concentrate |
| 08/28/2013 | CN103266224A Ion-adsorption-type rare earth extracting method |
| 08/28/2013 | CN102676814B Method for removing impurity ferrum in nickel sulfate solution |
| 08/28/2013 | CN102649998B Method for separating and enriching copper, cadmium and zinc in copper and cadmium sediment |
| 08/28/2013 | CN102560137B Refining process of alloyed gold |
| 08/28/2013 | CN102534211B Method for selectively adsorbing and extracting gold by using mangosteen slag |
| 08/28/2013 | CN102465205B Method for recycling gold from surface coating of scanning electron microscope sample |
| 08/28/2013 | CN102399976B Roasting pretreatment process for extracting vanadium pentoxide from high-carbon scherbinaite-containing coal mine and vanadium pentoxide extracting method |
| 08/28/2013 | CN102010999B Method for separating impurities from cobalt and/or nickel solution by non-saponifiable extraction |
| 08/27/2013 | CA2602400C Heap leaching of sulphide ores |
| 08/22/2013 | WO2013120132A1 Process for zinc oxide production from ore |
| 08/22/2013 | WO2013120131A1 Production of high grade nickel product |
| 08/22/2013 | US20130213820 System and method for parallel solution extraction of one or more metal values from metal-bearing materials |
| 08/21/2013 | EP2627792A1 Method for treating a solution containing zinc sulphate |
| 08/21/2013 | EP2627791A2 Method for recovering valuable metals from lithium secondary battery wastes |
| 08/21/2013 | CN203144495U Fluorescent powder waste pre-treatment decomposer |
| 08/21/2013 | CN203144494U Fluorescent powder waste acidolysis device |
| 08/21/2013 | CN203144491U Clarification device for removing organic ingredients |
| 08/21/2013 | CN103261455A Method for separating positive-ole active substance and method for recovering valuable metals from lithium ion battery |
| 08/21/2013 | CN103261121A An improved micronutrient fertiliser and method for producing same |
| 08/21/2013 | CN103255435A Recycling method for electrolyte solution produced during cathode copper production |
| 08/21/2013 | CN103255301A Leaching method of weathered crust illuviation type ion rare earth ore |
| 08/21/2013 | CN103255294A Comprehensive reuse process of ferrochrome smelting slag |
| 08/21/2013 | CN103255291A Lignosulfonate application and pyrolusite reduction leaching method |
| 08/21/2013 | CN103255290A Energy-saving emission-reduction tungsten smelting technique |
| 08/21/2013 | CN103255289A Method for removing arsenic matte by alkaline leaching at oxygen pressure and recovering arsenic |
| 08/21/2013 | CN103255288A Purification method of industrial molybdenum powder |
| 08/21/2013 | CN103255287A Process for extracting vanadium pentoxide from stone coal vanadium ores |
| 08/21/2013 | CN103255286A Method for restraining primary copper sulfide from dissolving in gold concentrate cyaniding process |
| 08/21/2013 | CN103255285A Lead-zinc-silver mixed concentrate comprehensive recovering method |
| 08/21/2013 | CN102828051B Desiliconization process in zinc hydrometallurgy |
| 08/21/2013 | CN102796888B Process for extracting rare earth from phosphate concentrate |
| 08/21/2013 | CN102787241B Method for extracting and recycling indium from chlorination distillation residue liquid generated after germanium extraction of germanium ore concentrate |
| 08/21/2013 | CN102753711B Method for purifying uranium from natural uranium concentrate |
| 08/21/2013 | CN102676810B Method for separating and recycling vanadium and chromium from vanadate-chromate-containing solution |
| 08/21/2013 | CN102634659B Process for recycling gallium from gallium and germanium contained concentrate |
| 08/21/2013 | CN102583402B Method for simultaneously extracting vanadium and silicon from stone coal |
| 08/21/2013 | CN102560103B Method for purification production of molybdenum disulfide from molybdenum concentrate |
| 08/21/2013 | CN102392143B Recycling method of magnesium in silicate nickel oxide ore |
| 08/21/2013 | CN102206755B Method for separating and recovering valuable elements from neodymium-iron-boron wastes |
| 08/21/2013 | CN101624401B Synthesis method of dialkyl phosphinic acid extractant |
| 08/15/2013 | US20130209336 Selective recovery of manganese, lead and zinc |
| 08/15/2013 | US20130207325 Wet smelting plant for nickel oxide ore and method of operating the same |
| 08/15/2013 | US20130206588 System and method for parallel solution extraction of one or more metal values from metal-bearing materials |
| 08/14/2013 | EP2625299A1 Method and article of manufacture for solvent extraction operation |
| 08/14/2013 | CN203128633U Box-type extraction organic preparation and saponification device |
| 08/14/2013 | CN103249477A Pump |
| 08/14/2013 | CN103243349A Comprehensive zinc hydrometallurgy recovery system technique |
| 08/14/2013 | CN103243222A Modified lime sulphur and application thereof in gold leaching technology |
| 08/14/2013 | CN103243220A Treatment method of fused salt chlorination slag |
| 08/14/2013 | CN103243219A Method for removing aluminum impurity from rare earth solution by utilizing neutralization-flocculation method |
| 08/14/2013 | CN103243218A Method for extracting molybdenum from molybdenum-containing high-concentration acidic lixivium and application of extraction agent |
| 08/14/2013 | CN103243049A Compound bacterium for leaching of manganese slag |
| 08/14/2013 | CN103242193A Preparation and use of hydroxyl oximated calix[6]arene efficient uranium extractant |
| 08/14/2013 | CN102732713B Method for separating and recovering sediments after processing rhenium molybdenum concentrate-containing high lead |
| 08/14/2013 | CN102618726B Treatment method for detoxifying and recycling chromium slag |
| 08/14/2013 | CN102560116B Method of extracting manganese, vanadium from titanium white waste acid, manganese residual and steel slag containing vanadium |
| 08/14/2013 | CN102532589B Comprehensive recycling method of waste and old compact discs |
| 08/14/2013 | CN102492839B Reactor for digesting heavy metal in tailings by microorganism |
| 08/14/2013 | CN102453801B Method for separating zirconium and hafnium |
| 08/14/2013 | CN102424913B Method for separating vanadium and chromium from mixing solution containing vanadium (V) and chromium (VI) |
| 08/14/2013 | CN102373335B Method for recovering rhodium from inactivated rhodium-phosphine complex catalyst |
| 08/14/2013 | CN102312098B Method for separation and purification of fluorescent grade yttrium oxide and europium oxide from waste phosphor powder |
| 08/14/2013 | CN102226240B Heap leaching process for arsenium/stibium-containing refractory fine-grain gold oxide ore and leach liquor thereof |
| 08/13/2013 | US8506673 Silica removal from pregnant leach solutions |
| 08/13/2013 | CA2663108C Method of producing iron-arsenic compound excellent in crystallinity |
| 08/13/2013 | CA2660226C Method of recovering silver using anion-exchange resin |
| 08/13/2013 | CA2544511C Leach extraction method |
| 08/13/2013 | CA2404003C Heap leaching of nickel containing ore |
| 08/08/2013 | US20130199620 Liquid storage apparatus and method of controlling the pressure in the same |
| 08/07/2013 | EP2622108A1 Selective leach recovery of zinc from a composite sulphide ore deposit, tailings, crushed ore or mine sludge |
| 08/07/2013 | CN203112899U High-temperature and high-pressure alkali cooking reaction kettle for molybdenum tailings |
| 08/07/2013 | CN203108326U Filtering feeding device of sponge cadmium |
| 08/07/2013 | CN103237909A Selective leach recovery of zinc from a composite sulphide ore deposit, tailings, crushed ore or mine sludge |
| 08/07/2013 | CN103237762A A method for the removal of organic chemicals and organometallic complexes from process water or other streams of a mineral processing plant using zeolite |
| 08/07/2013 | CN103233243A Production method of electrolytic metal manganese |
| 08/07/2013 | CN103233134A Recycling method of organic phase used for extracting scandium |
| 08/07/2013 | CN103233132A Method for removing impurities from gold powder |
| 08/07/2013 | CN103233130A Chromium slag treatment method |
| 08/07/2013 | CN103233129A Wet-process open treatment method of arsenic in copper ashes |
| 08/07/2013 | CN103233128A Method for recovering copper from acid waste etching solution |
| 08/07/2013 | CN103233127A Method for separating base metal from precious metal in copper anode mud |