| Patents for C22B 1 - Preliminary treatment of ores or scrap (10,434) |
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| 02/05/2009 | WO2009017059A1 Process for producing carbonaceous-material-including metal oxide briquet |
| 02/05/2009 | WO2009017019A1 Method for reducing electric furnace dust |
| 02/05/2009 | US20090035833 Separating clays and fines from crushed refractory sulfide ore and forming a heap from the ore; concentrating of refractory sulfide minerals from the separated fines and add to the heap; bioleaching the heap to thereby oxidize iron sulfides; hydrometallurgically recover values; gold |
| 02/05/2009 | US20090031859 Reducing and melting raw material of iron oxide-containing material and carbonaceous reducing agent; heating after a powder and granular atmosphere control carbonaceous material is spread on hearth of heat-reducing furnace; no resolidification of carbon; solid phase, efficiency, stability |
| 02/05/2009 | US20090031857 Method and apparatus for ore processing |
| 02/05/2009 | US20090031536 Method for producing porous substances |
| 02/04/2009 | CN101358301A Method for directly extracting vanadium from vanadium titan magnetite concentrate |
| 02/04/2009 | CN101358281A Lateritic ore preprocess method |
| 02/04/2009 | CN100457929C Integral gold refining kiln oxidizing baking process for refractory gold ore and baking tunnel kiln |
| 02/03/2009 | US7485246 Fabrication method of sintered duplex nuclear fuel pellet |
| 02/03/2009 | CA2398266C Process for upgrading low rank carbonaceous material |
| 01/29/2009 | WO2009014255A1 Ore-powder caking material for enhancing hot strength, pellet made with the same, and process for producing the same |
| 01/28/2009 | CN201186945Y Efficient rapid continuous health preserving equipment |
| 01/28/2009 | CN101353751A Vanadium-silicon alloy, and preparation and application thereof |
| 01/28/2009 | CN101353724A Pelletizing method of vanadium titanium magnetite concentrate Na-activation pellet |
| 01/28/2009 | CN101353711A Carbonaceous material block molten iron bath reduction ironmaking desulphurization method |
| 01/28/2009 | CN100455679C Method for drying molding containing oxidized metal, method for reducing oxidized metal and rotary hearty type metal reduction furnace |
| 01/22/2009 | WO2009010422A1 Method for ore enrichment by means of hydrophobic, solid surfaces |
| 01/22/2009 | WO2006098661A3 Method for processing diamond-containing mineral concentrates and for chemically cleaning the diamond surfaces |
| 01/22/2009 | CA2693902A1 Process for the beneficiation of ores by means of hydrophobic surfaces |
| 01/21/2009 | EP2016203A1 Thermal process for separating off heavy metals from ash in agglomerated form |
| 01/21/2009 | CN101349912A Automatic control system of sintered plant mixture making according to chemical composition |
| 01/21/2009 | CN101348862A Iron ore pellet adhesive |
| 01/21/2009 | CN101348861A Curing method of rust bonded pellet |
| 01/21/2009 | CN101348860A Production method of porous active magnetite |
| 01/21/2009 | CN101348859A Method for comprehensively recovering gold, iron and sulphur resource from gold-containing sulfurous iron ore |
| 01/21/2009 | CN101347698A Method for recycling tungsten oxide powder dust from flue gas of calcining ammonium paratungstate and recovering device |
| 01/21/2009 | CN100453656C Furnace sidewall structure of rotary hearth furnace |
| 01/20/2009 | US7479262 Method for separating platinum group element |
| 01/15/2009 | WO2009009317A1 Use of alumina-carbon agglomerates in the carbothermic production of aluminum |
| 01/15/2009 | WO2009008270A1 Carbon composite iron oxide briquette and process for producing the same |
| 01/15/2009 | WO2009007911A2 Melt separation apparatus and method for assaying mineral ore samples using the same |
| 01/15/2009 | WO2009007501A1 Cover for strand sintering equipment provided with a continuous strand sintering track |
| 01/15/2009 | US20090016954 Agglomeration of alumina and binder therefor |
| 01/15/2009 | US20090013822 exposing a moving bed of mineral particles to pulsed high energy microwave energy so that all particles receive at least some exposure to microwave energy; recovering valuable components, such as a metal, from a mineral |
| 01/15/2009 | CA2692082A1 Cover for strand sintering equipment provided with a continuous strand sintering track |
| 01/14/2009 | CN201180150Y Pelletizer for steel-smelting sewage sludge with drying method |
| 01/14/2009 | CN101343710A Direct feed-in-stove application method for dust separation briquetting of stainless steel |
| 01/14/2009 | CN101343696A Desulfurization method for molybdenum sulfide |
| 01/14/2009 | CN101343689A Method of manufacturing high-titanium low-silicon sintering mine |
| 01/14/2009 | CN101343688A Pelletization method for vanadium titanium magnet ore concentrate mix with additive rough rice shell |
| 01/14/2009 | CN101343687A Mix mine groove discharge gate control apparatus, system and mix mine groove |
| 01/14/2009 | CN101343686A Comprehensive utilization method for copper containing ferro-sulphur ore |
| 01/13/2009 | US7476829 Pre treatment of multi-phase materials using high field strength electromagnetic waves |
| 01/08/2009 | WO2009004802A1 Retention member for recovery of inorganic material from organic material/inorganic material composite, method of recovering inorganic material therewith and inorganic material recovery apparatus having the member |
| 01/08/2009 | WO2009004801A1 Method of recovering valuable materials from waste household electrical appliance |
| 01/08/2009 | US20090008841 Apparatus for Manufacturing Molten Irons |
| 01/08/2009 | DE102007030394A1 Thermal treatment of sulfide ores such as molybdenite to produce molybdenum trioxide, by roasting enriched ore concentrate in first reactor, separating the solids in separator, and converting the solid to metallic oxide in second reactor |
| 01/07/2009 | EP2010684A1 Processing of waste or cyclone solids from the chlorination of titanium bearing ores |
| 01/07/2009 | CN201177450Y Pellet vertical furnace cooling apparatus |
| 01/07/2009 | CN101341265A Separation of metal values in zinc leaching residues |
| 01/07/2009 | CN101338376A Process for comprehensively developing and utilizing nickel, cobalt, iron and magnesium from laterite-nickel ore |
| 01/07/2009 | CN101338364A Negative-pressure ignition control device for sintering iron ore |
| 01/07/2009 | CN101338363A High titan type low FeO content sinter and method for preparing same |
| 01/07/2009 | CN101338362A High titan type high alkalinity sinter and method for preparing same |
| 01/07/2009 | CN101338361A Method for reducing phosphorus in high phosphorus haematite or hematite and limonite ore by magnetization roasting-leaching method |
| 01/07/2009 | CN100449011C Method of reclaiming valuable metal from disabled lithium ion cell |
| 01/06/2009 | US7473394 Separating vessel |
| 01/01/2009 | US20090005630 Treatment method and soil treatment method |
| 01/01/2009 | US20090004728 Method of biotreatment for solid materials in a nonstirred surface bioreactor |
| 12/31/2008 | EP1577408B1 Method for separating platinum group elements from selenum/tellurium bearing materials |
| 12/31/2008 | CN201172677Y Lower supporting roller device of drying grate |
| 12/31/2008 | CN201172676Y Process wind system of drying grate-rotary kiln-circular cooler for producing acid pellet |
| 12/31/2008 | CN101333601A Alkali breakdown process of molybdenum-vanadium multi-metal metallurgy smelting materials |
| 12/31/2008 | CN101333576A Ironmelting by coke for replacing washery coal shot |
| 12/31/2008 | CN101332420A Pelletizing disc feeding disperser |
| 12/31/2008 | CN100446866C Method for recovering iron concentrate from blast furnace dust |
| 12/24/2008 | EP2006399A1 Method for increasing the percentage of argillaceous and limonitic mineral solids in pulp supplied to autoclaves in pressurised acid leaching |
| 12/24/2008 | EP2004867A1 Equipment and method for heating as in connection with sintering |
| 12/24/2008 | CN201169610Y Large-scale chain grid machine operation grid bed |
| 12/23/2008 | CA2329369C Ore comminution process using bed-compression method at low pressures and installation therefor |
| 12/23/2008 | CA2226948C Process and compositions for pelletising particulate materials |
| 12/18/2008 | WO2008048208A3 Controlled synthesis of highly monodispersed gold nanoparticles |
| 12/18/2008 | US20080311647 Method of Biotreating a Solid Material Comprising an Organic Compound |
| 12/17/2008 | CN101323914A Process for extracting vanadic anhydride by high calcium calcination |
| 12/17/2008 | CN101323909A Method of microwave selective reduction roasting-dilute acid leaching nickel oxide ore |
| 12/17/2008 | CN101323904A Method for enriching nickel iron ore concentrate from laterite type nickel ore by means of rotary kiln |
| 12/17/2008 | CN101323903A Method for converting nonmagnetic ore into magnetic ion concentrate powder |
| 12/17/2008 | CN101322907A Method for treating waste gas from vanadic anhydride production by sodium roasting method |
| 12/17/2008 | CN100443601C Method for producing metal gallium with coproduction of alumina |
| 12/10/2008 | EP1659103A4 Charging material for producing refractory high-strength spherical granules and method for the production thereof |
| 12/10/2008 | CN201162033Y Balk cargo processing equipment for circular-cooler trolley |
| 12/10/2008 | CN101321879A Granulation method of sintered raw material, and sintered ore production method |
| 12/10/2008 | CN101319274A Novel process for reutilization of revolving furnace mud |
| 12/10/2008 | CN100441701C Method for producing reduced iron compact in rotary hearth reducing furnace, reduced iron compact, and method for producing pig iron using the same |
| 12/04/2008 | WO2008147793A2 Improving grinding in a alumina extraction process |
| 12/04/2008 | WO2008147420A1 Metal extraction from various chalcogenide minerals through interaction with microwave energy |
| 12/04/2008 | WO2008146734A1 Method for production of carbon composite metal oxide briquette |
| 12/03/2008 | EP1996735A2 Production of iron using environmentally-benign renewable or recycled reducing agent |
| 12/03/2008 | CN201158688Y Reversing cloth construction of sinter cooler |
| 12/03/2008 | CN101314818A Golden shifting process of biological oxidation-torrefaction-cyanidation |
| 12/02/2008 | US7459006 Extraction of an element of ore ; applying electromagnetic radiation; induce pyrolysis |
| 12/02/2008 | US7458564 Gas cleaning process and equipment therefor |
| 11/27/2008 | WO2008142704A1 Process for the production of chromium metal nuggets from chromite ores/concentrates. |
| 11/27/2008 | WO2008141443A1 Process for precious metal recovery from a sulphide ore or concentrate or other feed material |
| 11/27/2008 | WO2007108984B1 Production of iron using environmentally-benign renewable or recycled reducing agent |
| 11/27/2008 | CA2683506A1 Process for precious metal recovery from a sulphide ore or concentrate or other feed material |
| 11/26/2008 | EP1994191A2 Method of extracting lithium |
| 11/26/2008 | CN101311286A Process for producing nickel iron from low catarinite |
| 11/26/2008 | CN101311281A Green metallurgical process for integrated utilization of nickel laterite ore |