| Patents for C22B 1 - Preliminary treatment of ores or scrap (10,434) |
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| 02/05/2014 | CN103555935A Pellet iron ore concentrate fine grinding pelletizing system and process |
| 02/05/2014 | CN103555934A Application of polyvinyl alcohol aqueous solution as dedusting ash cold-pressed ball release agent, dedusting ash cold-pressed ball and method for preparing dedusting ash cold-pressed ball |
| 02/05/2014 | CN103555933A Method for extracting molybdenum and nickel and enriching precious metals from nickel and molybdenum ores |
| 02/05/2014 | CN103555932A Method for roasting molybdenum concentrate |
| 02/05/2014 | CN103555931A Method for comprehensive utilization of removed arsenium of high-arsenium-sulfur-iron watercourse tailings |
| 02/05/2014 | CN103555930A Method for reduction roasting of high-magnesium poor-quality nickel laterite |
| 02/05/2014 | CN103551247A Mineral processing technology for reducing, roasting, iron extraction and impurity removal of limonite |
| 02/05/2014 | CN102864313B Smelting method of natural copper mine |
| 02/04/2014 | US8641799 Process for producing agglomerates of finely particulate iron carriers |
| 01/30/2014 | WO2014015403A1 Process for the optimized production of iron ore pellets |
| 01/30/2014 | WO2014015402A1 Recovery of base metals from sulphide ores and concentrates |
| 01/29/2014 | EP2689487A1 Recycling method and treatment device for battery pack |
| 01/29/2014 | EP2689046A1 Method and device for agglomerating a mixture including metal dust |
| 01/29/2014 | CN203411589U Stone coal navajoite shaft furnace roasting system |
| 01/29/2014 | CN103540765A Zinc smelting technology |
| 01/29/2014 | CN103540742A Peridotite smelting pellet |
| 01/29/2014 | CN103540741A Forcible wet desulphurization process for lead plaster |
| 01/29/2014 | CN103540740A Clean separating method of Baotou rare-earth ore concentrate |
| 01/29/2014 | CN102925667B Independent container for producing rich-titanium material and preparation method of rich-titanium material with independent container |
| 01/28/2014 | US8636857 Method to obtain a manganese steel alloy |
| 01/28/2014 | US8636824 Production method for carbonaceous material-containing metal oxide briquettes |
| 01/28/2014 | CA2766256C Carbon composite agglomerate for producing reduced iron and method for producing reduced iron using the same |
| 01/28/2014 | CA2593474C Reduction of lime consumption when treating refractory gold ores or concentrates |
| 01/23/2014 | WO2014013776A1 Gaseous fuel supply apparatus for sintering machine |
| 01/23/2014 | WO2014013775A1 Method for producing sinter |
| 01/23/2014 | WO2014013092A1 Hydrometallurgical method for recovering zinc in a sulphuric medium from zinc sulphide concentrates having a high iron content |
| 01/23/2014 | US20140020511 Process for the optimized production of iron ore pellets |
| 01/22/2014 | EP2687614A1 Method for recovering valuable metals |
| 01/22/2014 | CN203403141U Device for preparing ferronickel roasted ores by means of nickel laterite ores |
| 01/22/2014 | CN203403140U Two-way different-diameter labyrinth type magnetic roasting machine |
| 01/22/2014 | CN103528371A Rotary hearth furnace with arch breaker |
| 01/22/2014 | CN103526052A Method for recovering tungsten from tungsten-containing fluorite mine |
| 01/22/2014 | CN103526026A Additive for directly reducing nickel laterite ores and application of additive |
| 01/22/2014 | CN103526015A Leaching method for nickel-containing limonite |
| 01/22/2014 | CN103526011A Vanadium tailing carbon-containing pellet and preparation method thereof |
| 01/22/2014 | CN102994740B Method for preparing carbon-containing pellet for blast furnace |
| 01/22/2014 | CN102912115B 铁矿石闪速磁化焙烧方法 Flash magnetic iron ore roasting method |
| 01/22/2014 | CN102560091B Preparation method and preparation device for weak reducing gas and flash-magnetization iron ore roasting system |
| 01/22/2014 | CN102345012B Treatment process of sludge through dezincification in rotary hearth furnace |
| 01/22/2014 | CN102296192B Composite roasting additive for extracting vanadium pentoxide from vanadium-containing stone coal and application of composite roasting additive |
| 01/21/2014 | CA2629682C A device for modifying fluid flow through a conduit |
| 01/21/2014 | CA2485517C Method to improve iron production rate in a blast furnace |
| 01/16/2014 | WO2014009928A1 Hydrometallurgical treatment process for extraction of metals from concentrates |
| 01/16/2014 | WO2014009769A1 Method of processing an iron ore containing phosphorus, the iron ore having a gangue |
| 01/16/2014 | CA2821752A1 Hydrometallurgical method for recovery of zinc in sulphuric medium starting from sulphidic zinc concentrates with high iron content |
| 01/15/2014 | CN203393200U Online efficient spraying device for working medium of sintering process |
| 01/15/2014 | CN203393199U Granulator liner plate with reinforced granulating function |
| 01/15/2014 | CN103512351A Sintering device of metallized sinter and production method thereof |
| 01/15/2014 | CN103509955A Two ore combined process for treatment of laterite nickel ore and pyrolusite |
| 01/15/2014 | CN103509952A Technology for recovering rare earth from permanent magnet waste of electronic waste |
| 01/15/2014 | CN103509942A Atomized water cooling method and atomized water cooling device of sintered ore |
| 01/15/2014 | CN103509941A Atomized water cooling device of sintered ore |
| 01/15/2014 | CN103509940A Carbon containing pellet for producing low-sulfur grained iron |
| 01/15/2014 | CN103509939A Self-reducing cold-bonded pellet |
| 01/15/2014 | CN103509938A Method for preventing excessive fusion of prereduced sinter |
| 01/15/2014 | CN103509937A Electrochemical arsenic removal method for arsenic-containing high-sulfur high-calcium fine particle intractable Carline-type gold deposits |
| 01/15/2014 | CN103509936A Gas base selective reduction method for preparing high-grade nickel ore concentrate from laterite nickel ores |
| 01/15/2014 | CN103509935A Production process for improving iron content and reducing phosphorus content in low-grade high-phosphorus oolitic hematite |
| 01/15/2014 | CN103509934A Method for manufacturing an austenitic stainless steel from a nickel laterite ore and a chromite ore |
| 01/15/2014 | CN103506223A Combined processing method for selection and smelting of iron ore |
| 01/15/2014 | CN102766760B Tunnel kiln reduction roasting method of high-valence manganese oxide ores |
| 01/15/2014 | CN102758080B Method for microwave roasting and non-cyanogen gold leaching of sulfur-bearing gold mineral |
| 01/14/2014 | US8628612 Process for preparing a filler for asphalt or concrete starting from a slag material |
| 01/14/2014 | CA2698234C Method of producing reduced iron cast, and method of producing pig iron |
| 01/09/2014 | WO2014007462A1 Briquette manufacturing apparatus |
| 01/09/2014 | WO2014006677A1 Exhaust heat recovery power generation plant for sintering facility |
| 01/09/2014 | WO2014006196A1 Method for reducing hexavalent chromium in oxidic solids |
| 01/09/2014 | WO2013171022A3 Grate carriage for receiving bulk material |
| 01/08/2014 | EP2682370A1 Method for reducing hexavalent chromium in oxidic solids |
| 01/08/2014 | CN203382809U Matched equipment for producing lead fine bricks |
| 01/08/2014 | CN203382807U Oxidizing roasting equipment for recovered germanium, gallium, indium and selenium |
| 01/08/2014 | CN103502483A Method for detaching coatings from scrap |
| 01/08/2014 | CN103498047A Process for extracting vanadium through alkaline leaching conducted after stone coal oxidizing roasting |
| 01/08/2014 | CN103498046A Process for mixing materials and making external-rolled coal through sintering machine |
| 01/08/2014 | CN103498045A Method for reducing emission of flue gas pollutants generated by sintering high sulfur containing pyrites |
| 01/08/2014 | CN102703683B Mixed reduction method of oolitic hematite and paigeite |
| 01/08/2014 | CN102517439B Method for selectively roasting and separating tin, zinc and arsenic in compound iron ore containing tin, zinc and arsenic |
| 01/07/2014 | US8623113 Metal component collection agent and method for collecting metal component |
| 01/03/2014 | WO2014003316A1 Direct-reduced iron agglomeration apparatus |
| 01/01/2014 | CN203373410U Laterite-nickel ore gas-based reducing device |
| 01/01/2014 | CN203373408U Low-grade iron ore magnetic roasting furnace |
| 01/01/2014 | CN103492592A Refining of platinum group metals concentrates |
| 01/01/2014 | CN103484667A Method for extracting vanadium from high-calcium vanadium-containing stone coal |
| 01/01/2014 | CN103484666A Additive for carbon composite briquette and preparation and using methods thereof |
| 01/01/2014 | CN103484665A Method for manufacturing metallurgic composite pellet by using different binders and two-step pelletizing way |
| 01/01/2014 | CN103484664A Titanium clinker for smelting high-titanium slag |
| 01/01/2014 | CN103484663A Method for measuring adhesion coefficient of sintering grate |
| 01/01/2014 | CN103484662A High-titanium slag smelting technique |
| 01/01/2014 | CN103484661A Method for enhancing sintering of high-proportion limonite by utilization of waste heat of exhaust gas |
| 01/01/2014 | CN103484660A Method for strengthening sintering of high-proportion iron ore concentrate |
| 01/01/2014 | CN103484659A Processing method of lead plate |
| 01/01/2014 | CN102864300B Method for separating molybdenum and tungsten from molybdenum-tungsten concentrate |
| 01/01/2014 | CN102703682B Comprehensive recovery method of rare metal ore |
| 01/01/2014 | CN102177261B Device for smoothing the surface of a sinter mixture |
| 12/26/2013 | US20130340571 Dissolution and recovery of at least one element nb or ta and of at least one other element u or rare earth elements from ores and concentrates |
| 12/25/2013 | EP2677048A1 Valuable metal recovery method |
| 12/25/2013 | EP2677044A1 Valuable metal recovery method |
| 12/25/2013 | EP2675929A1 Method for detaching coatings from scrap |
| 12/25/2013 | EP2016203B1 Thermal process for separating off heavy metals from ash in agglomerated form |
| 12/25/2013 | CN203360527U Sintering mixing cylinder provided with cleaning device |