| Patents for C22B 47 - Obtaining manganese (857) |
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| 03/03/2011 | US20110049062 Process for producing electrolytic manganese dioxide |
| 02/24/2011 | WO2011020181A1 Selective leach recovery of minerals from composite ores |
| 02/24/2011 | CA2770367A1 Selective leach recovery of minerals from composite ores |
| 02/19/2011 | CA2676273A1 Leach recovery of minerals from composite carbonate/sulfide ores |
| 01/26/2011 | CN101956069A Method for reducing and leaching manganese from pyrolusite in sulfuric acid solution by using sludge |
| 01/19/2011 | CN101591732B Process method using oxygen as oxidant in leaching process of manganese ore |
| 01/11/2011 | CA2421284C Solid state reduction of oxides |
| 12/30/2010 | US20100326237 Composition of matter tailoring: system i |
| 12/15/2010 | CN101914684A Method for harmless treatment and comprehensive utilization of manganese metallurgical leached residue |
| 12/15/2010 | CN101914676A Manganese oxide mineral sulfur-based fire reduction method |
| 12/01/2010 | CN101899583A Integrative method of two-stage acid leaching, washing and filter pressing for manganese powder pickle liquor |
| 12/01/2010 | CN101691633B Method for innocent treatment and comprehensive utilization of manganese slag |
| 12/01/2010 | CN101619388B Method for restraining generation of manganous dithionate in process of leaching sulfur dioxide gas out of pyrolusite |
| 11/25/2010 | US20100296988 Selectively leaching cobalt from lateritic ores |
| 11/24/2010 | CN101892383A Reinforced leaching de-ironing device and de-ironing method of manganese ore slurry |
| 11/17/2010 | CN101886168A Extract technology of semi-manganese oxide ore |
| 11/10/2010 | CN101880768A Method for extracting high-purity manganese dioxide from manganese slag |
| 11/04/2010 | US20100278686 Process for recovering metals and metal compounds from mined ore and other metal-bearing raw source materials |
| 10/27/2010 | CN101871048A Method for recovering cobalt, nickel and manganese from waste lithium cells |
| 10/27/2010 | CN101481757B Electric furnace smelting process for manganese-rich slag |
| 09/29/2010 | CN101845562A Improved device and method for producing electrolytic manganese metal by two-ore method |
| 09/16/2010 | WO2010103913A1 Method for removing manganese from wastewater |
| 09/15/2010 | CN101831546A Method for preparing biomass reductant and application thereof |
| 09/15/2010 | CN101831544A Method for separating manganese and silver of manganese-silver ore and extracting manganese sulfate by purifying manganese dipped solution |
| 09/14/2010 | CA2443877C Process for producing cobalt solution of low manganese concentration |
| 09/09/2010 | US20100226837 Production of metal products directly from underground ore deposits |
| 09/08/2010 | CN101525695B Method for recycling zinc fume in enrichment smelting technology of manganese |
| 09/01/2010 | CN201567359U Device for recovery of solution in hydrometallurgical residue |
| 08/25/2010 | CN101815691A A micronutrient fertiliser and method for producing same |
| 08/25/2010 | CN101392303B Recovery and utilization method of useful element in free-cutting steel refining slag |
| 08/17/2010 | US7776202 Extracting geothermal brine with organic solvent containing quaternary ammonium compound and acid; removing iron component by oxidization and precipitation; electrowinning |
| 08/11/2010 | CN101798650A Low-gas content metal manganese ingot and preparation method thereof |
| 08/04/2010 | EP2212263A1 A micronutrient fertiliser and method for producing same |
| 08/04/2010 | CN101792861A Method for recovering metal through purified flue gas of scrap alkaline zinc-manganese battery |
| 07/28/2010 | CN101555549B Smelting process for rich manganese and equipment thereof |
| 07/14/2010 | CN101775508A Production method of low-carbon ferromanganese |
| 07/14/2010 | CN101775497A Method for recovering metal by using waste common zinc-manganese battery purified fume |
| 07/07/2010 | CN101767827A Method for recycling manganese sulfate by using electrolytic metal manganese waste slag |
| 07/07/2010 | CN101767802A Method for recycling ammonium sulphate from waste mineral slag of electrolytic manganese metal |
| 06/17/2010 | WO2010068167A1 Method for manufacturing a mangenese alloy |
| 06/16/2010 | CN101732956A Process for producing manganese salt by using sulfur-containing smoke gas |
| 06/09/2010 | CN101314822B Method for recycling manganese in waste slag of electric furnace smelted manganese-silicon and manganese iron |
| 06/02/2010 | CN101717860A Method for preparing battery raw material by using electrolytic manganese anode mud and product thereof |
| 05/19/2010 | CN101709391A Method for producing electrolytic manganese metal by lixiviating sinter ore by adding ferrous sulphate in replacement of manganese carbonate ore |
| 05/12/2010 | CN101705358A Method for extracting manganese in electrolytic manganese residues by biologic leaching |
| 05/11/2010 | CA2348436C Sulfatisation process for metal extraction from sulfide ores |
| 05/04/2010 | US7708961 Method and apparatus for isolating the radioisotope 186Rhenium |
| 04/28/2010 | CN101698904A Method for extracting sulfide minerals of nonferrous metals and method for recycling sulfur in extracted filtered residues thereof |
| 04/14/2010 | CN101693952A Method for recovering manganese and lead from electrolytic manganese anode mud |
| 04/08/2010 | WO2010037169A1 Process for extraction of mined material |
| 04/07/2010 | CN101691633A Method for innocent treatment and comprehensive utilization of manganese slag |
| 03/09/2010 | US7674314 Process for producing reduced metal and agglomerate with carbonaceous material incorporated therein |
| 01/28/2010 | WO2010009527A1 Process to produce manganese pellets from non-calcinated manganese ore and agglomerate obtained by this process |
| 01/28/2010 | CA2732009A1 Process to produce manganese pellets from non-calcinated manganese ore and agglomerate obtained by this process |
| 01/20/2010 | CN101629250A Method for reclaiming soluble manganese from electrolytic metal manganese filter-press residues |
| 01/13/2010 | EP1230407B1 Solid state reduction of oxides |
| 12/30/2009 | CN100575512C Microwave heating, solid state reduction and gaseous dephosphorization method for manganese ore powder |
| 12/09/2009 | CN100567510C Process for producing reduced matal and agglomerate with carbonaceous material incorporated therein |
| 12/02/2009 | CN101591732A Process method using oxygen as oxidant in leaching process of manganese ore |
| 12/02/2009 | CN100564551C Heat recovering and microwave reducing manganese ore roasting process and apparatus |
| 11/11/2009 | CN101574617A Synchronous desulphrization and denitration method of flue gas pyrolusite pulp for reclamation |
| 11/11/2009 | CN100558919C Recycling method of titanium white waste acid in manganese industry |
| 10/20/2009 | CA2428945C Selective precipitation of manganese from magnesium-containing solutions |
| 10/14/2009 | CN101555549A Smelting process for rich manganese and equipment thereof |
| 09/23/2009 | CN101538655A Method and applications thereof for recovering MnO* from anode material of wasted lithium manganate battery |
| 09/09/2009 | CN101525695A Method for recycling zinc fume in enrichment smelting technology of manganese |
| 08/19/2009 | CN101509075A Method for separating copper and manganese from copper-manganese solution with high degree of acidity |
| 07/15/2009 | CN101481757A Electric furnace smelting process for manganese-rich slag |
| 07/02/2009 | US20090165598 Novel phosphinic acids and their sulfur derivatives and methods for their preparation |
| 06/10/2009 | CN100497683C Method for preparing low-carbon metal manganese iron by using manganese-poor powdered ore |
| 05/27/2009 | CN100491549C Method for extracting high-valence manganese from manganese carbonate ore |
| 04/22/2009 | CN101413056A Manganese ore reduction calcination method and apparatus |
| 04/02/2009 | WO2009039560A1 A micronutrient fertiliser and method for producing same |
| 03/25/2009 | CN101392303A Recovery and utilization method of useful element in free-cutting steel refining slag |
| 03/12/2009 | CA2698251A1 Direct processing of metallic ore concentrates into ferroalloys |
| 02/24/2009 | CA2396839C Lead, zinc and manganese recovery from aqueous solutions |
| 02/24/2009 | CA2295066C Selective precipitation of nickel and cobalt |
| 01/21/2009 | CN101348273A Neutralization agent capable of reducing manganese content in manganese slag and use thereof |
| 12/31/2008 | CN101333604A Deironing agent of low grade natural manganese dioxide ore for manganese leaching liquid and deironing process |
| 12/03/2008 | CN101314822A Method for recycling manganese in waste slag of electric furnace smelted manganese-silicon and manganese iron |
| 11/12/2008 | CN101302586A Microwave heating, solid state reduction and gaseous dephosphorization method for manganese ore powder |
| 10/22/2008 | CN101289711A Recycling method of titanium white waste acid in manganese industry |
| 09/24/2008 | CN101270415A Method for recycling noble metal from battery slag containing Co, Ni, Mn |
| 08/06/2008 | CN101235438A Process flow for leaching pyrolusite by sulfur dioxide |
| 06/04/2008 | CN101191162A Device and technique for smelting and fusing blast furnace manganese-rich slag by directly using electric furnace |
| 03/26/2008 | CN100376698C Improved hydrometallurgical processing of manganese containing materials |
| 02/14/2008 | US20080038168 Solvent Extraction Process For Separating Cobalt And/Or Manganese From Impurities In Leach Solutions |
| 01/30/2008 | CN101113496A Method for preparing low-carbon metal manganese iron by using manganese-poor powdered ore |
| 11/14/2007 | CN101070565A Method for extracting high-valence manganese from manganese carbonate ore |
| 11/07/2007 | EP1454376B1 Recycling used electric cells by hydrometallurgical treatment |
| 09/12/2007 | CN100336919C Treatment method for manganese contained material by hydrometallurgy process |
| 08/22/2007 | CN101020963A Biological leaching process for separating out metal ions from waste battery directly |
| 07/11/2007 | CN1325670C Method for removing ferrous-iron from manganese sulfate |
| 07/11/2007 | CN1325669C Method for removing heavy-metal ions from manganese sulfate solution |
| 06/19/2007 | US7232782 Heating aqueous oxidizer solution containing manganese compound; absorber to remove target impurities |
| 03/21/2007 | CN1932049A Heat recovering and microwave reducing manganesian ore roasting process and apparatus |
| 12/14/2006 | US20060278040 Process for producing reduced matal and agglomerate with carbonaceous material incorporated therein |
| 11/15/2006 | CN1284869C Method for soaking valuable metal from polymetallic nodule in ocean |
| 11/08/2006 | CN1860243A Improved hydrometallurgical processing of manganese containing materials |
| 09/19/2006 | CA2144925C A process for the controlled leaching of natural manganese dioxide by using hydrochloric acid |