Patents for C22B 1 - Preliminary treatment of ores or scrap (10,434)
03/2006
03/16/2006US20060058173 Mixing presintered kaolin and bauxite with free quartz; jointly sintering to produce a charging material; granulating, drying and screening the charging material, sintering in the rotational furnace and screening the sintered granules; refractory propping agents
03/16/2006US20060053973 placing classified and crushed spent potliner in a furnace at a temperature greater than 450 degrees C., heating , mixing the heated spent potliner with water to produce reaction gases and residue, burning the reaction gases, mixing the residue with water in a well ventilated for weeks to cure residue
03/16/2006CA2578987A1 Mixing apparatus
03/15/2006EP1634968A1 Method and apparatus for producing reduced metal
03/15/2006EP1633679A1 Extraction process for reactive metal oxides
03/15/2006EP1401583B1 Method and device for fine grinding of mineral particles
03/15/2006CN1746321A Composite globular mineral binder and production thereof
03/08/2006CN1743476A Nickel-iron smelting process from nickel oxide ore containing crystal water through blast furnace
03/08/2006CN1743475A Method for extracting aluminium and iron from high-iron bauxite trihydrate
03/08/2006CN1743472A Method for recovering iron from red mud
03/08/2006CN1743471A Sintering-mineralizing energy-saving combustion adjuvant and its preparing method
03/08/2006CN1743467A Water-repellancy high-alkalinity steel-making out-furnace refining slag production method
03/08/2006CN1244708C Preparation method for making block of dust mud of smelting steel by high pressure and cold solidifying
03/07/2006US7010248 Toner recycling method and toner recycling system
03/07/2006US7008606 Process for passivating sulfidic iron-containing rock
03/02/2006DE202006000303U1 Briquettes for fuelling e.g. blast furnaces are produced from waste with high mineral content and residual moisture content mixed with binders which are stable at high temperatures and are cut from bar produced in tapering press
03/01/2006EP1628983A1 Method for the agglomeration of used material or fines from the production of organohalosilanes
02/2006
02/23/2006WO2006018771A1 Microwave treatment of iron ore
02/22/2006CN1738918A Method and plant for the heat treatment of solids containing iron oxide
02/22/2006CN1738917A Process for nickel and cobalt extraction from laterite ores
02/22/2006CN1738915A Method for producing metallic iron
02/22/2006CN1737170A Iron concentrate pelletization binder of calcium magnesium reaction type
02/22/2006CN1737169A Pellet furnace baking method
02/22/2006CN1737168A Agglomeration process of -200 mesh celestite concentrate
02/16/2006WO2006015680A1 Charging device for a strip sintering machine
02/16/2006US20060032800 Collecting agent comprising ammoniated compounds (primary, secondary, tertiary amines), for use in the process of grinding and/or floating copper, molybdenum, zinc, and other contained mineral ores
02/16/2006US20060032327 Adding a binder to quicklime fines, then pelletizing; fluxing agent in a steel production operation, treating waste water and sewage; as soil neutralizing agents and nutrients; in ground stabilization for construction;
02/16/2006CA2576480A1 Feeding device for a belt-type sintering machine
02/15/2006EP1625351A1 Method for the analysis of gas produced by a titanium tetrachloride fluidized bed reactor
02/15/2006CN1735702A Method for reducing chromium containing raw material
02/15/2006CN1733952A Method for extracting rare metal from waste and old carbide alloy
02/15/2006CN1733950A Ferronickel smelting process of nickel oxide ore free of crystal water in blast furnace
02/15/2006CN1733947A Iron powder ball used in steel making and its preparation method
02/15/2006CN1733944A Sponge iron production method
02/15/2006CN1242075C Apparatus and method for recycling iron containing dust and sludge in puddling process using coal and fine iron ore
02/14/2006US6996918 Device and method for treating a refuse material containing hydrocarbons
02/08/2006EP1624079A1 Process for winning iron from waste material containing iron oxides and briquette for carrying out this process
02/08/2006EP1622831A1 Process for the treatment of waste metal chlorides
02/08/2006EP1165845B1 Method and apparatus for removing undesirable metals from iron-containing materials
02/08/2006CN1732276A Method and plant for the heat treatment of sulfidic ores using annular fluidized
02/08/2006CN1732042A Treatment of granular solids in an annular fluidized bed with microwaves
02/08/2006CN1730685A Aluminothermic reduction method and technology of giobertite calcination to produce magnesium
02/08/2006CN1730671A Dry type fine iron powder pick-up method from steel slag powder
02/08/2006CN1730363A Beauxite applied pipeline transportation method
02/08/2006CN1240860C valent metal enriching method by fire method from marine cobalt-rich crust
02/08/2006CN1240858C Carbon reducting baking process of producing RE chloride with mixed RE concentrate
02/07/2006US6993855 Method for drying compact containing metal oxide, method for reducing metal oxide, and rotary-hearth-type metal reducing furnace
02/02/2006WO2006010721A2 Dust suppression and reduction of surface oxidation for mineral agglomerates
02/02/2006CA2573964A1 Dust suppression and reduction of surface oxidation for mineral agglomerates
02/01/2006CN1729049A Method and plant for the thermal treatment of granular solids in a fluidized bed
02/01/2006CN1729047A Treatment of granular solids in a fluidized bed with microwaves
02/01/2006CN1239719C Circulating fluidized bed mineral reducing roasting device and reducing roasting method
01/2006
01/25/2006EP1618219A2 Recovery of metal values from cermet
01/25/2006EP1294955B1 Platinum group metal recovery from organics-pgm compositions with supercritical water reactant
01/25/2006CN1726294A Method and device for carrying out a tribochemical reaction
01/25/2006CN1724387A Process for extracting vanadium pentoxide from stone coal vanadium mining
01/25/2006CN1238534C Method for recovering manganese from low content manganese carbonate raw ore
01/25/2006CN1238531C Outside-furnace refining agent and its manufacturing method
01/25/2006CN1238529C Manufacturing technique for enriching -iron
01/24/2006US6989043 Method and an apparatus for recovery of metals
01/24/2006US6989040 A mixture of magnesium scrap, a gas-producing lubricants and calcium oxide, for removing sulfur from molten iron, deagglomeration, uniformly dispersing the desulfurization agents
01/19/2006DE102004030397A1 Ring die for press, has groove passage opening for retaining replaceable abrasion sleeves, and protection unit for protecting sleeves in casing by pushing out passage opening towards casing exterior side
01/18/2006CN2752696Y Sintering machine bogie grid pin
01/18/2006CN1721562A Direct melting method and device
01/17/2006US6986801 Heating and reducing a compact mixture of iron oxide powder and carbon powder, with the carbon in the mixture as the reducing agent; efficient reduction to increase productivity
01/12/2006WO2006003246A1 Method and device for treating anode slime
01/12/2006WO2005019481A3 Methods and systems for removing copper from ferrous scrap
01/12/2006US20060005665 Process for extracting gold in arsenic-containing concentrate of gold and the equipment thereof
01/12/2006CA2570325A1 Method and device for treating anode slime
01/11/2006EP1412544B1 Method for recovering nickel and eventually cobalt by extraction from nickel-containing laterite ore
01/11/2006CN1720340A Cold briquetting and pelletisation
01/11/2006CN1718784A Method of recovery copper, nickel and noble metal in waste water and slag by combined technology of wet method and fire method
01/11/2006CN1718781A Production method of iron ore agglomerate
01/11/2006CN1718780A Carbon containing cold consolidation iron pelletizing ore having coal self cohesiveness
01/11/2006CN1718779A Preparation method of super iron concentrate
01/11/2006CN1718778A Method of hot press conversion of hard concentrating complex aluminium zinc oxide ore
01/11/2006CN1718753A Sponge iron for furnace charge and its manufacturing method
01/11/2006CN1718750A Comprehensive recovery method of pyrite slag
01/11/2006CN1236225C Method for regulating roasting furnace
01/05/2006WO2006000553A1 Mobile device for the granulation of dairy fines
01/05/2006US20060000309 Supply recycling system and valuable-metal recovering system
01/05/2006CA2570854A1 Mobile device for the granulation of dairy fines
01/04/2006CN1234888C Technology for treating calcined pyrite by chemical submersion washing method
01/03/2006CA2261527C Method of pretreating ore
12/2005
12/29/2005WO2005123986A1 Electrochemical reduction of metal oxides
12/29/2005DE102004027193A1 Agglomeratstein zum Einsatz in Schacht-, Corex- oder Hochöfen, Verfahren zur Herstellung von Agglomeratsteinen und Verwendung von Eisenerz-Fein- und -Feinststäuben Agglomerated for use in shaft, corex or blast furnaces, process for the preparation of agglomerated stones and use of iron ore fines and -Feinststäuben
12/28/2005CN2748473Y Granulator for steel-making slag
12/28/2005CN1714163A Process and apparatus for extracting zinc
12/28/2005CN1233479C Technique for reclaiming metal concentrate in obsolete PCB physically
12/22/2005WO2005121675A1 Lifter for rotary heat exchanger, rotary heat exchanger with the lifter, and heat treatment method for nickel oxide ore
12/20/2005CA2097245C Equipment for and method of precalcining any mineral materials whatsoever
12/15/2005WO2005118892A1 Agglomerated stone for using in shaft furnaces, corex furnaces or blast furnaces, method for producing agglomerated stones, and use of fine and superfine iron ore dust
12/15/2005WO2005103307A8 Layered agglomerated iron ore pellets and balls
12/15/2005CA2569247A1 Agglomerated stone for using in shaft, corex or blast furnaces, method for producing agglomerated stones and use of fine and superfine iron ore dust
12/14/2005EP1605067A1 Process for producing particulate iron metal
12/14/2005EP1604047A1 Method for the refinement of gold
12/14/2005CN1708595A A process for simultaneous recovery of chromium and iron from chromite ore processing residue
12/14/2005CN1706971A Stoving method and apparatus for producing pellet
12/14/2005CN1231603C Parallel straight-bottom furnace for reduction metallic oxide
12/13/2005CA2108816C Process for producing molten pig iron or molten steel pre-products
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