| Patents for C22B 23 - Obtaining nickel or cobalt (3,818) |
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| 06/27/2012 | CN102516080A Recovery process of PX oxidation residues and recovery system device thereof |
| 06/27/2012 | CN102212698B Method for recovering nickel sulfate through comprehensive treatment of nickel-containing waste |
| 06/27/2012 | CN101921917B Method for reclaiming valuable metals from waste lithium batteries |
| 06/27/2012 | CN101668869B Cobalt recovery from cobalt catalysed hydroformylation reactions |
| 06/21/2012 | WO2012081897A2 Method for enrichment-recovering ferronickel from raw material containing nickel, method for recovering nickel from enriched ferronickel, and method for recycling solution containing iron produced from same |
| 06/21/2012 | WO2012081896A2 Method for recovering nickel from raw material containing nickel |
| 06/21/2012 | WO2012081645A1 Method for separating positive-pole active substance and method for recovering valuable metals from lithium ion battery |
| 06/21/2012 | WO2012080577A1 Method for separating nickel from material with low nickel content |
| 06/21/2012 | US20120152065 Chemical agents for recovery of leached materials |
| 06/21/2012 | CA2819224A1 Method for separating nickel from material with low nickel content |
| 06/20/2012 | CN102503813A Method for recovering organic acid and cobalt-manganese metal in terephthalic acid oxidized residues |
| 06/20/2012 | CN101899568B Method for producing electrolytic nickel by leaching chemically precipitated nickel sulfide with pure oxygen |
| 06/19/2012 | CA2439423C Method for producing large diameter ingots of nickel base alloys |
| 06/14/2012 | WO2012078289A2 Nanowire preparation methods, compositions, and articles |
| 06/14/2012 | US20120148861 Nanowire preparation methods, compositions, and articles |
| 06/13/2012 | EP2462249A2 Process for the recovery of metals such as nickel from an iron-containing ore by leaching with acidic sulfate solution |
| 06/13/2012 | CN102492859A Material charging method for laterite electric furnace smelting |
| 06/13/2012 | CN102492858A Method for separating enriched nickel and cobalt from battery waste leaching solution |
| 06/13/2012 | CN102492843A Production method through combined treatment of laterite by direct current electric furnace |
| 06/13/2012 | CN101802234B Limonite and saprolite heap leach process |
| 06/07/2012 | WO2012050317A3 Method for recovering valuable metals from lithium secondary battery wastes |
| 06/06/2012 | CN102485922A Method for extracting nickel, cobalt, magnesium and iron from laterite-nickel ore under conditions of normal temperature and normal pressure and using waste residues |
| 06/06/2012 | CN101886173B Comprehensive recycling process of xanthate cobalt residue in zinc hydrometallurgy |
| 06/06/2012 | CN101839632B Roasting apparatus of nickel-containing material |
| 05/30/2012 | CN102154553B Method for removing iron and aluminum by autoxidation of iron-based waste material containing high-value elements |
| 05/30/2012 | CN101831547B Method for purifying cobalt solution |
| 05/30/2012 | CN101336306B Leaching process in the presence of hydrochloric acid for the recovery of a value metal from an ore |
| 05/29/2012 | US8187360 Process for the instantaneous control of precipitation of nickel and cobalt present in the leach liquor, by adjusting the pH of the solution |
| 05/24/2012 | WO2012065222A1 Method for the leaching of a metal sulfide |
| 05/24/2012 | CA2815563A1 Method for the leaching of a metal sulfide |
| 05/23/2012 | EP2454389A1 Process of recovery of base metals from oxide ores |
| 05/23/2012 | CN102465202A Cobalt copper sulfide ore processing method |
| 05/23/2012 | CN102051471B Method for processing enrichment of laterite-nickel ore in form of ferronickel by microwave |
| 05/23/2012 | CN101871048B Method for recovering cobalt, nickel and manganese from waste lithium cells |
| 05/23/2012 | CN101864524B Clean production technology for processing low-grade laterite-nickel ore by sodium carbonate alkali fusion |
| 05/23/2012 | CN101824550B Extracting and purifying technology of high purity nickel |
| 05/18/2012 | WO2012065191A2 Method for recovering molybdenum, vanadium, nickel, cobalt and aluminum from spent catalysts |
| 05/16/2012 | CN102459096A Method for recovering water and metals from plating wastewater resulting from washing |
| 05/16/2012 | CN101910428B Laterite heap leaching with ferrous lixiviants |
| 05/10/2012 | WO2012024124A3 Process for separating and recovering metals |
| 05/10/2012 | US20120115708 Method of producing particulate-reinforced composites and composites produced thereby |
| 05/10/2012 | US20120111150 METHOD OR PROCESS FOR RECOVERING Mo, V, Ni, Co and Al FROM SPENT CATALYSTS USING ULTRASONIC ASSISTED LEACHING WITH EDTA |
| 05/09/2012 | EP2450991A1 Plant and process for the treatment of exhausted accumulators and batteries |
| 05/09/2012 | CN202214406U Device for ammonia water residue washing of cobalt, nickel and copper hydrometallurgy gangue |
| 05/09/2012 | CN102443709A Nickel ion separating and recovering method of aluminum material surface treatment waste water |
| 05/09/2012 | CN102443702A Recovery method of nickel |
| 05/09/2012 | CN102443696A Method for selectively dissolving Cu-Co alloy through catalytic oxidation process |
| 05/03/2012 | WO2012004284A3 Slurry catalyst and slurry flakes valorization |
| 05/02/2012 | CN102433437A Heavy metal sludge recycling and innocent treatment 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 | CN102430760A Preparation method of metal nickel |
| 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 |
| 04/19/2012 | WO2012050317A2 Method for recovering valuable metals from lithium secondary battery wastes |
| 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 | CN202193823U 富氧侧吹熔池熔炼炉 Oxygen side-blown bath smelting furnace |
| 04/18/2012 | CN102417993A 一种富氧侧吹熔池熔炼开炉新方法 An oxygen-rich side-blown bath smelting furnace new approach |
| 04/18/2012 | CN102417987A 从电镀污泥中回收有价金属的方法 Recovery of valuable metals from electroplating sludge method |
| 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 | CN102417980A Method for producing nickel sulfate by leaching Lateritic nickle ores with both sulfuric acid and ammonia |
| 04/18/2012 | CN101838088B 硫化铜镍矿生产金属镍的阳极泥处理方法 Copper sulfide nickel ore production of nickel metal anode mud treatment |
| 04/18/2012 | CN101838087B 阳极泥处理设备及其气浮槽 Anode slime treatment equipment and flotation tank |
| 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 |
| 04/11/2012 | CN202187047U 用于红土镍矿的压球机 For nickel laterite pressure ball machine |
| 04/11/2012 | CN202187045U 一种用于镍钼精矿焙烧的沸腾炉装置 Boiling furnace apparatus for nickel molybdenum concentrate roasting |
| 04/11/2012 | CN1942594B 含有V、Mo及Ni的物质的焙烧方法、以及含有V、Mo及Ni的物质的焙烧用回转炉 Contains V, Mo, and Ni calcination of substances, as well as V, Mo, and Ni-containing substance with a rotary kiln calcination |
| 04/11/2012 | CN102409184A Preparation method of pure nickel slab |
| 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 |
| 04/05/2012 | WO2012042714A1 Lithium extraction method, and metal recovery method |
| 04/04/2012 | CN202181335U 红土镍矿生产镍铁中用于衔接回转窑和矿热炉的转运装置 Laterite nickel ore transport device for the production of ferronickel and submerged arc furnace kiln convergence |
| 04/04/2012 | CN102399992A Method for recovering valuable metals from waste plastic plating layer containing copper and nickel |
| 04/04/2012 | CN102399991A Method for realizing nickel recovery in electroplating sludge |
| 03/28/2012 | CN202176826U 一种喷枪小车气体管道的吊挂装置 A hanging device of the gas pipe lance carriage |
| 03/28/2012 | CN202175704U 冶炼红土镍矿的专用回转窑 Dedicated nickel laterite smelting kiln |
| 03/28/2012 | CN102392143A Recycling method of magnesium in silicate nickel oxide ore |
| 03/27/2012 | CA2481729C Method for refining aqueous nickel chloride solution |
| 03/22/2012 | US20120067174 Processes for extraction of nickel with iron-complexing agent |
| 03/21/2012 | CN202169152U 用于红土镍矿的混合机滚筒 Mixer drum for nickel laterite |
| 03/21/2012 | CN102382987A Method for recovering and regenerating positive electrode material of lithium ion battery |
| 03/20/2012 | US8137654 Method of roasting material containing at least one of V, Mo and Ni and rotary kiln for roasting the same |
| 03/14/2012 | CN202164337U 富氧底吹造锍熔炼炉 Enriched bottom-blowing matting smelting furnace |
| 03/14/2012 | CN101899571B Process for producing nickel and cobalt from nickel and cobalt ores |
| 03/07/2012 | CN102367512A Method for deep reduction and magnetic separation of nickel and iron in lateritic nickel ore carbon-containing pellets |
| 03/01/2012 | WO2012026061A1 Metal recovery method and metal recovery device |
| 02/29/2012 | CN101778958B Atmospheric acid leach process for laterites |
| 02/29/2012 | CN101509072B Method for extracting valuable metals from laterite nickel mine with hydrochloric acid full-closed circulation method |
| 02/23/2012 | WO2012024124A2 Process for separating and recovering metals |
| 02/23/2012 | CA2807805A1 Process for separating and recovering metals |
| 02/22/2012 | CN102358916A Hydrometallurgical extraction method for recycling copper and cobalt from cobalt copper oxide ores |
| 02/15/2012 | CN102351351A Process for treating chemical nickel-plating discarded liquid |
| 02/09/2012 | WO2012017928A1 Method for oxidizing nickel sulfide in nickel sulfide-containing sludge, and method for recovering nickel metal from nickel sulfide-containing sludge |
| 02/08/2012 | CN102345019A Method for processing limonite lateritic nickel |
| 02/08/2012 | CN102345018A Method for processing nickel oxide ores |
| 02/02/2012 | WO2012014685A1 Process for production of ferronickel smelting raw material from low grade lateritic nickel ore |
| 02/02/2012 | DE19782044B3 Verfahren zum Zugeben und Zuführen von Reaktionsgas und Feststoffen in einen Schmelzofen und ein für diesen Zweck bestimmter mehrfach einstellbarer Brenner A method for adding and supplying the reaction gas and solids into a furnace and for this purpose a particular multiple adjustable burner |
| 02/01/2012 | CN102337403A Online saponification system and process of extractant for Co-Ni separation |
| 02/01/2012 | CN102337393A Vertical reducing kiln for sintering laterite-nickel ores |
| 01/26/2012 | WO2012011205A1 Method for separating nikel and cobalt from active materials contained in spent nickel-hydrogen battery |
| 01/25/2012 | EP2410066A2 Process for recovering group VI-B metals from spent catalysts |
| 01/25/2012 | CN102329956A Extraction process of nickel element from laterite-nickel ore by wet method |