Patents for C22B 1 - Preliminary treatment of ores or scrap (10,434)
04/2008
04/09/2008CN101157980A Preparation method of product for processing mineral powder and flue dust
04/09/2008CN101157979A Desulfuration method for high sulfide pyrite powder
04/09/2008CN101157978A Technique for producing reduced iron by employing various iron ores
04/09/2008CN101157977A Concentration method for iron and boron in low-grade paigeite
04/09/2008CN101157961A Preparation method for producing low-grade ferroniobium by using ferroniobium concentrate
04/09/2008CN100379887C Sintering heat gradient optimizing method for iron and steel metallurgical industry
04/03/2008WO2008037703A1 Process for the heat treatment of metallic residues contaminated by organic compounds, and device for its implementation
04/03/2008WO2008018048A3 Dual stage process for the rapid formation of pellets
04/03/2008WO2007134725A3 Process for recycling of steel industry iron-bearing by-products by treating pellets in direct reduction furnaces
04/03/2008CA2664825A1 Process for the heat treatment of metallic residues contaminated by organic compounds, and device for its implementation
04/02/2008EP1905853A1 Heat treatment method of metal-containing waste materials contaminated with organics and apparatus therefor
04/02/2008EP1601802B1 Elevated discharge gas lift bubble pump and furnace for use therewith
04/02/2008EP1540023B1 Process for agglomerating particulate material
04/02/2008CN101153350A Technique for industrialized development and utilization of red mud
04/02/2008CN101153349A Technique for reverting ironmaking by comprehensive utilization of fusion of coal gas and small ore
04/01/2008CA2228842C Reducing iron oxides in rotary hearth furnace
03/2008
03/27/2008WO2008036215A1 Methods for recovering refractory metal from wheel grinding
03/27/2008WO2008034188A1 Improved process for producing feed material for a leaching process
03/27/2008WO2007134859A3 Process for recycling of steel industry iron-bearing by-products by treating pellets in direct reduction furnaces
03/26/2008CN101148708A Method for reclaiming molybdenum from aluminum-base molybdenum-containing waste slag
03/26/2008CN101148703A Method for enriching precious metal by using yellow phosphorus electric furnace
03/26/2008CN101148701A Method for modifying non-ferrous metal copper slag/nickel slag by using combustible matter and preparing high-grade fuel
03/26/2008CN101148700A Treatment method for jamesonite and equipment thereof
03/26/2008CN101148696A Dearsenization method for metallic ore by wet method
03/26/2008CN101148695A Method for reducing NOx discharge in sintering process by using additive modified coke
03/26/2008CN101148686A Technique for directly reducing iron by using tunnel vehicle bottom type fast reducing furnace
03/26/2008CN100376696C Highly pure hafnium material, target and thin film comprising the same and method for producing highly pure hafnium
03/25/2008US7347920 Production, refining and recycling of lightweight and reactive metals in ionic liquids
03/25/2008US7347105 Method for the analysis of a test specimen of reducible material that contains iron
03/25/2008CA2324166C Cold bonded iron particulate pellets
03/20/2008WO2008032638A1 Method of recycling zinc-containing converter dust
03/20/2008WO2008032634A1 Process for preparation of ore, equipment for preparation thereof, ironmaking process and ironmaking/steelmaking process
03/20/2008WO2008031897A1 Process for recovering group vi-b metals from spent catalysts
03/20/2008US20080066579 Treatment Of Steel Plant Sludges In A Multiple-Stage Furnace
03/20/2008CA2663228A1 Process for recovering group vi-b metals from spent catalysts
03/19/2008EP1900828A1 Method for producing feed material for molten metal production
03/19/2008CN201036807Y Waste and old brass continuous casting equipment
03/19/2008CN101144135A Technique for producing environment-friendly nickel/cobalt/iron alloy and system thereof
03/19/2008CN101144126A Method for directly producing nickel-containing iron alloy from laterite and coal
03/19/2008CN101144120A Method for preparing oxidation sphere adhesive
03/19/2008CN101144119A Auxiliary agent for reducing low temperature reduction index of sintering ore
03/19/2008CN101144118A Sintering process capable of increasing production rate
03/19/2008CN101144117A Oxygen-enriched sintering technique
03/19/2008CN101144110A Method for directly producing ferrochromium from chrome ore powder and coal
03/12/2008CN101142329A Process and plant for the heat treatment of solids containing titanium
03/12/2008CN101142075A Compression molding machine for metal material briquette, manufacturing apparatus for metal material briquette, and compression molding method for metal material briquette
03/12/2008CN101139677A Method for producing inconel by submerged arc furnace
03/12/2008CN101139660A Method for extracting iron-lead and gold-silver from gold concentrate acidifying baking residue
03/12/2008CN101139655A Method for purifying granular slag steel
03/12/2008CN101139654A Method for producing fine iron sand powder by using ferro-sulphur ore as raw material and equipment thereof
03/12/2008CN101139639A Technique for smelting nickel-cobalt-ferrum by nickel oxide ore through electrical furnace
03/12/2008CN100374593C Tech. of extracting metallic cobait from magnetic-iron ore tailing slag
03/12/2008CN100374588C Production method for improving sintered ore rotary drum strength
03/12/2008CN100374587C Method for reduction treatment of metal oxide or ironmaking waste, and method for concentration and/or recovery of zinc and/or lead
03/12/2008CN100374195C Gas cleaning process and equipment therefor
03/11/2008CA2278620C Device for the controlled cooling of hot-briquetted directly reduced iron sponge
03/06/2008WO2008025055A1 Treatment of green pellets using microwave energy
03/06/2008CA2661511A1 Treatment of green pellets using microwave energy
03/05/2008EP1893779A1 Separation of metal values in zinc leaching residues
03/05/2008EP1153527B1 High efficiency induction melting system
03/05/2008CN101135010A Method for recovering and reusing niobium and niobium alloy waste
03/05/2008CN101135000A High-pressure pellet forming machine
03/05/2008CN101134999A Metallized pellet and method for preparing the same
03/05/2008CN100372602C Treatment of granular solids in an annular fluidized bed with microwaves
02/2008
02/28/2008WO2008022420A1 Liquid or pulp aeration device
02/28/2008US20080047395 Composition for a desulfurizer with a high sulfur capacity and the process of making the same
02/28/2008CA2661140A1 Liquid or pulp aeration device
02/27/2008CN101133170A Production of ferronickel
02/27/2008CN101130832A Pellet fabrication method for metallurgy sintered balls
02/27/2008CN100371479C Method for recovering vanadium from aluminium-base nickel-containing offscum
02/27/2008CN100371470C Method of producing high grade magnetic concentrate from sulfuric-acid residue composite pellet
02/21/2008WO2008019633A1 Process for treating aqueous lateritic-ore pulps in pressurized acid technology
02/21/2008WO2007146430A3 Apparatus and method for processing metallurgical 'fines' in (eaf) electric arc furnaces
02/21/2008US20080041189 Process For Improving Energy Supply To A Scrap Bulk
02/20/2008CN201024197Y Mosaic type integral highly wearable rotating scraper
02/20/2008CN201024196Y High temperature hot material water quenching agitated tank
02/20/2008CN101126138A Method for smelting chromium-nickel-iron alloy from stainless steel dust-removing ash
02/20/2008CN101126133A Method for reclaiming valuable element from zinc kiln slag
02/20/2008CN101126125A Comprehensive utilization method for bauxite dressing tailings
02/20/2008CN101126121A Method for producing pre-reducing composite sinter
02/20/2008CN101126111A Ilmenite reduction method for preparing solder rod
02/14/2008WO2008018048A2 Dual stage process for the rapid formation of pellets
02/14/2008US20080035320 Heat exchanger system used in steel making
02/13/2008EP1887091A1 Method for pretreatment of raw materials for sintering
02/13/2008CN101122442A Iron mineral suspended magnetic baking oven system and baking process
02/13/2008CN101121966A Technique for reclaiming vanadium and iron from high-vanadium high-iron steel slag
02/13/2008CN101121959A Microwave roasting dry type wind magnetic selection method for hematite powder
02/13/2008CN101121551A Sphere sponge iron used for treating water and preparation method thereof
02/13/2008CN100368768C Method for the analysis of gas produced by a titanium tetrachloride fluidized bed reactor
02/07/2008US20080031766 Attrited titanium powder
02/07/2008US20080028890 Dust Suppression and Reduction of Surface Oxidation for Mineral Agglomerates
02/06/2008EP1628983B1 Method for the agglomeration of used material or fines from the production of organohalosilanes
02/06/2008EP1575701B1 Treatment of granular solids in an annular fluidized bed with microwaves
02/06/2008EP1558774B1 Method and device for carrying out a tribochemical reaction
02/06/2008CN101117662A Method for producing metal gallium with coproduction of alumina
02/06/2008CN101117661A Method for producing iron concentrate by brown hematite and siderite and reduction roaster
02/06/2008CN101117660A Method for comprehensive utilization of vanadium titanium and iron ore concentrate by using rotary hearth furnace reduction-grinding - separation
02/06/2008CN101117650A Method for fusion deacidizing quick-predeacidized trickle iron ore powder
02/06/2008CN100366766C Method for using pre-jel for producing self-reducing agglomerates
02/06/2008CN100366765C Method and apparatus for calcining mineral materials difficult to be treated
1 ... 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 ... 105