| Patents for C21B 15 - Other processes for the manufacture of iron from iron compounds (585) |
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| 02/19/2015 | DE10348116B4 CO-Generator und Verfahren zur Herstellung von kohlenmonoxidhaltigem Gas durch Umsetzung eines kohlenstoffhaltigen Brennmaterials CO generator and method for the production of carbon monoxide-containing gas by the reaction of a carbonaceous fuel material |
| 02/11/2015 | CN104342560A 一种冶金复合渣一步还原得到铁水和锍相的工艺 A metallurgical complex molten slag and matte get further reduction phase of the process |
| 02/10/2015 | US8951328 Production of valve metal powders |
| 02/03/2015 | US8945274 Method for operating blast furnace |
| 02/03/2015 | US8945272 Low temperature production of steel/carbon product |
| 01/22/2015 | US20150024204 Novel process of preparing nano metal and the products thereof |
| 01/20/2015 | CA2665562C System and method of producing metallic iron |
| 01/08/2015 | US20150007697 Method and device for reducing iron-oxide-containing feedstocks in a high-pressure reducing unit |
| 01/07/2015 | CN104263947A 一种含稀土催化剂污泥资源化回收工艺 A rare earth catalyst containing sludge resource recovery process |
| 01/07/2015 | CN104263909A 从氧化镍矿中焙烧水浸回收镍钴铁的工艺 From nickel oxide ore roasting flooding iron, nickel and cobalt recovery process |
| 01/06/2015 | CA2669314C Multiple hearth furnace for reducing iron oxide |
| 12/30/2014 | US8920536 Ore treating method, ore treating apparatus, iron manufacturing method, and iron and steel manufacturing method |
| 12/24/2014 | CN104232893A 高砷高铁金矿的化工冶金提金及综合利用方法 Gold's high-speed rail high arsenic gold extraction and the utilization of chemical metallurgy method |
| 11/13/2014 | US20140331820 Method for reducing slag |
| 10/21/2014 | US8864871 Method for manufacturing copper nanoparticles using microwaves |
| 09/18/2014 | US20140260798 Integration of Molten Carbonate Fuel Cells in Iron and Steel Processing |
| 09/16/2014 | US8834747 Compositions containing tin nanoparticles and methods for use thereof |
| 09/16/2014 | US8834600 Extraction process for reactive metal oxides |
| 08/14/2014 | US20140224068 Method and device for producing pig iron |
| 08/12/2014 | US8802151 Preparation of shaped metal particles and their uses |
| 08/06/2014 | CN103966446A 一种从电镀污泥中分离回收铜、镍、铁的方法 A method of separation and recovery of copper, nickel and iron from electroplating sludge |
| 07/30/2014 | CN103952564A 铜熔炼渣处理方法 Copper smelting slag processing method |
| 07/29/2014 | US8790569 Device for adjusting the locking point of an electrode |
| 07/29/2014 | US8790443 Method and system for processing an iron ore tailings byproduct |
| 07/29/2014 | US8790442 System and method for producing metallic iron |
| 07/01/2014 | US8764879 Process for slag foaming a non-stainless steel melt in an electric arc furnace |
| 06/24/2014 | US8758477 Aqueous-based method for producing ultra-fine metal powders |
| 06/11/2014 | EP2739759A1 Process for recovering metals by reduction and carbonylation |
| 06/04/2014 | CN103831442A Method of manufacturing powered iron from copper-nickel slag |
| 06/03/2014 | CA2721492C Method of manufacturing direct reduction iron and reduction firing apparatus |
| 05/28/2014 | CN103060547B 一种锰废渣回转窑还原焙烧除杂提锰提铁的方法 One kind of rotary kiln waste reduction roasting of manganese impurity mention mention iron and manganese method |
| 05/21/2014 | CN103805777A 一种强化黄铁矿微生物浸出的方法 A microbial leaching of pyrite way to strengthen |
| 05/20/2014 | US8728785 Additive for bioleaching that is substantially made up of the Licanantase lipoprotein, and bioleaching process to which this additive is added to increase the recovery of copper |
| 05/20/2014 | US8728194 Method for controlling foamed slag in a stainless melt in an electronic arc furnace |
| 05/15/2014 | WO2014071464A1 A two-stage smelting process and apparatus |
| 05/14/2014 | CN103789549A 一种在NH<sub>3</sub>-OH体系下从钕铁硼油泥中同时回收钕、镨、镝、钴、铁的方法 A method of simultaneously recovering neodymium, praseodymium, dysprosium, cobalt, iron sludge from the NdFeB at NH <sub> 3 </ sub> -OH system |
| 05/14/2014 | CN102994739B 高铁低锡铜矿的化工冶金综合利用方法 The method of high-speed rail low utilization of copper-tin chemical and metallurgical |
| 04/30/2014 | CN103757388A Leaching method of lithium iron phosphate waste battery positive electrode material |
| 04/30/2014 | CN103757272A Method for re-leaching waste residue generated through leaching manganese carbonate ore with sulfuric acid |
| 04/30/2014 | CN103757259A Method for comprehensive reclaiming elements by treating laterite-nickel ore by combination of chemical waste sulfuric acid and hydrochloric acid |
| 04/30/2014 | CN103757171A High vanadium ferroalloy smelting method and ingot mould for smelting high vanadium ferroalloy |
| 04/29/2014 | US8709125 Methods of controlling nanostructure formations and shapes |
| 04/15/2014 | US8696786 Process for preparing anisotropic metal nanoparticles |
| 04/09/2014 | CN203526550U Continuous production device of one-step-prepared reduced iron powder |
| 04/08/2014 | US8690986 Method for simultaneously producing iron, coke, and power |
| 04/08/2014 | US8690985 Hydrogen storage material and method of producing the same |
| 04/02/2014 | CN102912158B Method for smelting ferrovanadium by fine vanadium slag |
| 04/01/2014 | US8685136 System and method for reducing iron oxide to metallic iron using coke oven gas and oxygen steelmaking furnace gas |
| 03/26/2014 | CN103667717A Method for recovering Nd (neodymium), Pr (praseodymium), Dy (dysprosium), Co (cobalt) and Fe (iron) simultaneously from NdFeB (neodymium iron boron) oil sludge under CO3-OH system |
| 03/26/2014 | CN103667707A Method of recovering gold and silver from a waste circuit board |
| 03/26/2014 | CN103667705A Comprehensive utilization method for boric sludge waste |
| 03/12/2014 | CN103627837A Method for reclaiming iron and phosphorous from steelmaking slag |
| 02/25/2014 | US8657915 Metal powder and manufacturing methods thereof |
| 02/06/2014 | US20140037520 Process for treating spent pickle liquor and/or ferrous chloride |
| 02/05/2014 | CN103551584A Continuous production device for preparing reduced iron powder in one step |
| 01/22/2014 | CN102605182B External method for production of 70# ferrotitanium with high titanium |
| 01/15/2014 | CN103509957A Method for producing high ferro-titanium alloy by using titanium slag and titanium concentrate as titanium and iron raw materials |
| 01/15/2014 | CN102719677B Method for producing iron-copper alloy micropowder by treating copper smelting slag in oxidizing atmosphere kiln |
| 01/07/2014 | US8623112 Processes for preparing valve metal powders, powders prepared thereby and uses therefor |
| 12/24/2013 | US8613791 Extraction process for metals like gold and platinum including fine grinding, pulping and oxygenating |
| 12/24/2013 | US8613787 Method for the commercial production of iron |
| 11/20/2013 | CN103397130A Composite iron alloy for producing vanadium iron and vanadium by using silicon barium iron alloy as reducing agent |
| 11/05/2013 | US8573466 Mold crucible system for connecting tubes and cables and method thereof |
| 10/29/2013 | US8569565 Process for recycling spent pot linings (SPL) from primary aluminium production |
| 10/09/2013 | CN102936649B Method for recovering nickel, cobalt, manganese and iron by roasting and leaching nickel oxide ore |
| 09/04/2013 | CN103276407A Method for recovering gallium and iron from low-grade raw materials containing gallium and iron |
| 09/04/2013 | CN103276294A Method for rapidly reducing nickel slag to produce iron-nickel-copper alloy powder in kiln under reducing atmosphere |
| 08/28/2013 | CN102344983B Device for preparing hot molten iron and byproducts by using red mud |
| 08/21/2013 | CN102344982B Process for preparing hot molten iron and byproducts by utilizing red mud |
| 08/07/2013 | CN103232031A Method for treating waste polyolefin plastics |
| 08/01/2013 | WO2013110183A1 Process for recovering metals from silicate materials |
| 07/16/2013 | US8486177 Heap leaching |
| 06/12/2013 | CN102586534B Method for extracting iron by utilizing nickel slag and preparing fibers |
| 06/05/2013 | CN103128311A Method for producing superfine carbonyl iron powders |
| 06/04/2013 | US8454931 Tungstic acid powder consisting of spherical tungsten particles and method for producing same |
| 06/04/2013 | US8454721 forming a reaction mixture including a metal salt, capping agents and quaternary ammonium chlorides in reducing solvents and forming metal nanowires by reducing the metal salt in the reaction mixture |
| 04/24/2013 | CN103060547A Method for restoring, roasting, purifying, and extracting manganese and iron by utilizing electrolytic manganese slag rotary kiln |
| 04/24/2013 | CN102352423B Method for selecting and smelting titanium from vanadium titanomagnetite at low temperature |
| 04/19/2013 | CA2756904A1 New process and equipment for direct steel making |
| 04/16/2013 | US8420048 System and method for parallel solution extraction of one or more metal values from metal-bearing materials |
| 04/10/2013 | CN103031443A Method of dealkalizing red mud and recovering aluminum and iron |
| 04/04/2013 | US20130081516 Direct Production of Iron Slabs and Nuggets From Ore Without Pelletizing or Briquetting |
| 04/03/2013 | CN103014216A Reduction method of iron compound in iron-containing material |
| 03/27/2013 | CN103003452A Reduced iron production method |
| 03/27/2013 | CN102994739A Chemical metallurgy comprehensive utilization method for high-iron low-tin copper ores |
| 03/19/2013 | US8398740 Method for the production of metal powder |
| 03/14/2013 | US20130064742 Process for the extraction of specific transition metals |
| 03/13/2013 | CN102115800B Pollution-free production process for ferrovanadium alloy |
| 03/13/2013 | CN102031361B Method for comprehensively treating and utilizing dust sludge |
| 03/07/2013 | WO2013029448A1 Device for making hot molten iron and by-product by using red mud |
| 03/07/2013 | WO2013029447A1 Process method for making hot molten iron and by-product by using red mud |
| 03/07/2013 | WO2013029119A1 Production of ferrotitanium by aluminothermic reduction |
| 02/20/2013 | CN102936649A Method for recovering nickel, cobalt, manganese and iron by roasting and leaching nickel oxide ore |
| 02/12/2013 | US8372361 Copper recovery circuit |
| 02/12/2013 | US8372333 Angled probe for vessel |
| 02/07/2013 | WO2013016813A1 Process for recovering metals by reduction and carbonylation |
| 02/07/2013 | CA2843760A1 Process for recovering metals by reduction and carbonylation |
| 02/06/2013 | CN102912381A Novel method for preparing high titanium ferroalloy |
| 02/06/2013 | CN102912158A Method for smelting ferrovanadium by fine vanadium slag |
| 02/06/2013 | CN102909392A Atomization and pyrolysis equipment for carbonyl iron powders |