| Patents for C22B 23 - Obtaining nickel or cobalt (3,818) |
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| 10/05/2011 | CN101798633B Method for treating limonite type oxidized nickel ore by roasting and leaching |
| 09/29/2011 | US20110232421 Nickel Recovery from a High Ferrous Content Laterite Ore |
| 09/28/2011 | CN102203307A Method for treating nickel laterite ore |
| 09/28/2011 | CN102199710A Method for extracting and separating nickel and molybdenum from nickel-molybdenum-containing coal gangue |
| 09/28/2011 | CN102199706A Method for comprehensively recovering valuable metal in diode core |
| 09/28/2011 | CN102021332B Technology for recycling Ni, Co, Fe, and Mg from nickel oxide mineral |
| 09/27/2011 | CA2457379C Method of obtaining nickel |
| 09/22/2011 | WO2011114000A1 Method of processing nickel bearing raw material |
| 09/22/2011 | CA2792401A1 Method of processing nickel bearing raw material |
| 09/21/2011 | EP2366036A1 Recovery of metals and acids from exhausted pickling solutions and/or neutralization sludge |
| 09/21/2011 | CN102191382A Method for recovering cobalt, aluminum and copper from waste mobile phone batteries |
| 09/21/2011 | CN102191379A Recovery method for cobalt contained in copper-containing solution |
| 09/21/2011 | CN102191377A Red clay nickel ore heap leaching method |
| 09/21/2011 | CN102191376A Pond leaching method of laterite-nickel ore |
| 09/21/2011 | CN102191348A Technological method and device for producing high-grade nickel and stainless steel by using oxidized pellet method |
| 09/20/2011 | US8021459 Method and apparatus for controlling metal separation |
| 09/17/2011 | CA2732486A1 Recovery method for cobalt |
| 09/15/2011 | WO2011111407A1 Method for wastewater treatment for wastewater containing aluminum, magnesium and manganese |
| 09/15/2011 | CA2792400A1 Method for wastewater treatment for wastewater containing aluminium, magnesium, and manganese |
| 09/14/2011 | CN102181666A Method for treating red soil nickel ore leaching liquid |
| 09/14/2011 | CN102181665A Method for keeping balance of sodium-magnesium-water system in technique for extracting nickel from lateritic nickel ore by wet process |
| 09/14/2011 | CN102181647A Method for extracting chromated nickel from low-grade stainless steel sludge by using stainless steel acid-washing waste mother liquor |
| 09/14/2011 | CN102181646A Comprehensive recycle and utilization method based on selective oxidation/ reduction rare earth nickel-metal hydride battery waste |
| 09/14/2011 | CN102181638A Method for removing iron from leachate of nickel oxide ores |
| 09/14/2011 | CN101914691B Method for extracting nickel and cobalt by processing poor nickel laterite |
| 09/09/2011 | CA2791636A1 Method of metals recovery from refinery residues |
| 09/07/2011 | CN101717864B Method for extracting nickel and cobalt through granulating and heap-leaching laterite nickel ore |
| 09/02/2011 | CA2732187A1 Recovery method for cobalt contained in copper-containing solution |
| 09/01/2011 | WO2011104798A1 Metal recovery method and dialysis device |
| 09/01/2011 | WO2011104436A1 Method for enhancing solid-liquid separation in conjunction with laterite leaching |
| 09/01/2011 | CA2790691A1 Method for enhancing solid-liquid separation in conjunction with laterite leaching |
| 08/24/2011 | EP1697549B1 A process for extraction of nickel from low grade chromite ore |
| 08/24/2011 | EP1644541B1 Process for recovery of nickel and cobalt by heap leaching of low grade nickel or cobalt containing material |
| 08/24/2011 | CN102165094A Nickel alloy sputtering target and nickel silicide film |
| 08/24/2011 | CN102163760A Method for separating and recovering lithium and cobalt from positive electrode material of lithium battery |
| 08/24/2011 | CN102162034A Process for recovering valuable metals from waste lithium batteries |
| 08/24/2011 | CN102162031A De-ironing method for cobalt electrolyte |
| 08/24/2011 | CN102162029A Microbiological oxidation and reduction coupling leaching method for valuable metal in manganese oxide ore |
| 08/23/2011 | US8003066 Method for scrubbing amine-type extractant |
| 08/17/2011 | CN102154553A Method for removing iron and aluminum by autoxidation of iron-based waste material containing high-value elements |
| 08/17/2011 | CN102154549A Production method for high-purity hard-agglomeration-free superfine nickel oxide or cobalt and nickel or cobalt powder |
| 08/17/2011 | CN102154546A Method for smelting molybdenum-nickel mineral association by wet process |
| 08/17/2011 | CN102154545A Low nickel matte high-temperature oxygen pressure water leaching process |
| 08/17/2011 | CN101736157B Process for absorbing and extracting valuable metal ions in leachate of laterite nickel ore by applying immobilized room temperature ionic liquid |
| 08/11/2011 | US20110196168 Nickel metal compositions and nickel complexes derived from basic nickel carbonates |
| 08/10/2011 | CN201926310U 一种用于氧气侧吹炉的炉身密封补偿装置 Furnace body sealing apparatus for compensating side-blown oxygen furnace |
| 08/10/2011 | CN102146511A Method for reclaiming nickel and iron in laterite nickel ore by selective reduction roasting |
| 08/10/2011 | CN101760616B Leaching method of cobalt-containing ore |
| 08/10/2011 | CN101760614B Leaching method of nickel-containing ore |
| 08/10/2011 | CN101713025B Method for wet separation of mixed solution containing nickel and zinc |
| 08/10/2011 | CN101090983B Leaching process in the presence of hydrochloric acid for the recovery of a value metal from an ore |
| 08/03/2011 | EP2350327A1 Method for treating nickel laterite ore |
| 08/03/2011 | CN102140585A Method for smelting nickel ore concentrate by using smelting furnace |
| 08/03/2011 | CN102140576A Method for extracting nickel and molybdenum from nickel-molybdenum ore |
| 08/03/2011 | CN101792866B Method for refining ferronickel by utilizing waste alumina-based nickel accelerant |
| 08/03/2011 | CN101565776B Method for eliminating extraction and emulsification of amine and phosphorus organic reagents |
| 07/28/2011 | WO2011090086A1 Metal-ion adsorbent and method for recovering metal using same |
| 07/27/2011 | EP2348136A1 Metal recovery from hydroconverted heavy effluent |
| 07/27/2011 | CN102134656A Method for fluidized drying and synchronous pre-reduction of laterite-nickel ore |
| 07/27/2011 | CN102134643A Metal recovery from hydroconverted heavy effluent |
| 07/27/2011 | CN101624651B Method for leaching cathode materials from waste nickel-metal hydrogen batteries |
| 07/27/2011 | CN101545052B Method for recovering nickel and copper from a nickel smelting waste slag |
| 07/27/2011 | CN101072885B Leaching process in the presence of hydrochloric acid for the recovery of a value metal from an ore |
| 07/21/2011 | US20110174113 Acid Recovery |
| 07/20/2011 | CN102127633A Method for enriching ferronickel by micro treatment on laterite-nickel ore |
| 07/20/2011 | CN101805831B Method for directly extracting nickel in alkaline chemical nickel-plating waste liquid |
| 07/14/2011 | US20110167961 Method for purifying material containing metalloid element or metal element as main component |
| 07/13/2011 | EP1922423B1 Hydrometallurgical method for the extraction of nickel and cobalt from laterite ores |
| 07/06/2011 | CN102119122A Method for purifying material containing metalloid element or metal element as main component |
| 07/06/2011 | CN102115817A Laterite-nickel ore pelletizing sintering process |
| 07/06/2011 | CN102115816A Comprehensive utilization method for laterite-nickel ore |
| 07/06/2011 | CN101717857B Method for rapidly and directly dipping nickel sulfide concentrate under action of ultrasonic wave |
| 07/06/2011 | CN101545054B Method for recovering nickel, copper and cobalt from a nickel, copper and cobalt smelting waste slag |
| 06/30/2011 | US20110154950 Burner and Method for Processing Oxidizable Materials |
| 06/29/2011 | EP2337873A1 Production of nickel |
| 06/29/2011 | CN101781716B Method for leaching recovery of cobalt from laterite under normal atmosphere pressure |
| 06/28/2011 | US7968065 Process for the recovery of value metals from base metal sulfide ores |
| 06/22/2011 | EP2334428A2 Process for recovering base metals from used hydroprocessing catalyst |
| 06/22/2011 | CN201873726U Device for separating and recovering copper and nickel of faded plating solution |
| 06/22/2011 | CN101613796B Method for separating metal elements of zinc-nickel-cadmium-containing materials |
| 06/22/2011 | CN101586189B Leaching method for anode material of waste LiCoO battery |
| 06/21/2011 | US7964165 Separation method for zinc sulfide |
| 06/21/2011 | US7964016 Process for extraction of nickel, cobalt, and other base metals from laterite ores by using heap leaching and product containing nickel, cobalt, and other metals from laterite ores |
| 06/16/2011 | US20110142736 Process of recovery of base metals from oxide ores |
| 06/15/2011 | CN201867038U Nickel renewable resource alloy smelting furnace |
| 06/15/2011 | CN1668769B Microwave treatment of ores |
| 06/15/2011 | CN102094127A Method for recovering nickel and magnesium elements from high-magnesium low-grade nickel sulfide ore |
| 06/14/2011 | CA2431480C Method and apparatus for feeding solid material and oxidizing gas into suspension smelting furnace |
| 06/08/2011 | CN101717862B Production process for comprehensively recovering valuable metal of copper, cobalt and iron alloy |
| 06/08/2011 | CN101570372B Method for purifying electroplating wastewater and comprehensively utilizing resources |
| 06/08/2011 | CN101451188B Method for separating and purifying cobalt solution by extraction chromatography |
| 06/01/2011 | EP2326737A1 A hydrometallurgical method for leaching base metals |
| 06/01/2011 | CN201852427U Charging device of nickel renewable resource alloy smelting furnace |
| 06/01/2011 | CN102084012A A process for heap leaching of nickeliferous oxidic ores |
| 06/01/2011 | CN102080159A Method for comprehensive exploitation and utilization of silicon, magnesium, iron, and nickel in laterite-nickel ore |
| 06/01/2011 | CN102080156A Microwave and additive assisted method for drying and roasting nickel laterite |
| 06/01/2011 | CN101323915B Method for extracting molybdenum and nickel by molybdenum nickel ore whole wet method |
| 05/26/2011 | US20110120267 Iron Precipitation |
| 05/24/2011 | CA2487743C Microwave treatment of ores |
| 05/24/2011 | CA2402456C Process for organic acid bioleaching of ore |