patent of iron ore process

patent of iron ore process

Microbial reduction of iron ore - Patent - Europe PMCPatent: United STATES Patent - United States Application: US on Publication: Abstract Highlight Terms No biological terms identified A process is provided for reducing iron ore by treatment with microorganisms which ...HISARNA: GAME CHANGER IN THE STEEL INDUSTRYiron ore) and cokes. The HIsarna process will make this obsolete. In the HIsarna installation the raw materials can be injected as powders, directly converting them into liquid iron. If HIsarna can be successfully developed at an industrial scale, future production of ...Hydrogen Plasma Processing of Iron Ore | SpringerLink16/3/2017· Iron is currently produced by carbothermic reduction of oxide ores. This is a multiple-stage process that requires large-scale equipment and high capital investment, and produces large amounts of CO2. An alternative to carbothermic reduction is reduction using a hydrogen plasma, which comprises vibrationally excited molecular, atomic, and ionic states of hydrogen, all of which can reduce iron ...PROCESS OF EXTRACTING URANIUM AND RADIUM .21/7/2020· @article{osti_, title = {PROCESS OF EXTRACTING URANIUM AND RADIUM FROM ORES}, author = {Sawyer, C W and Handley, R W}, abstractNote = {A process is presented for extracting uranium and radium values from a uranium ore which comprises leaching the ore with a ferric chloride solution at an elevated temperature of above 50 deg C and at a pH less than 4; separating the ore .HISARNA: GAME CHANGER IN THE STEEL INDUSTRYiron ore) and cokes. The HIsarna process will make this obsolete. In the HIsarna installation the raw materials can be injected as powders, directly converting them into liquid iron. If HIsarna can be successfully developed at an industrial scale, future production of ...

Method for reducing iron losses in an iron smelting .

@article{osti_872203, title = {Method for reducing iron losses in an iron smelting process}, author = {Sarma, Balu and Downing, Kenneth B}, abstractNote = {A process of smelting iron that comprises the steps of: a) introducing a source of iron oxide, oxygen, nitrogen, and a source of carbonaceous fuel to a smelting reactor, at least some of said oxygen being continuously introduced through an ...Kelly Pneumatic Iron Process - American Chemical SocietyKelly Pneumatic Iron Process Lyon County Public Library, Eddyville, Kentucky Murray State University, Murray, Kentucky May 11, 2015 American Chemical Society possible the rapid manufacture of a malleable product of iron, in large quantities and masses, ofIron Ore::mining, international trade, technology, project .This process concentrates the iron ore by the size of its particles and removes impurities like Silica and Alumina, as tailings. Prices for Brazilian fines have risen by 65-71% while pellets are up by 87%.IRON ORE PELLET PRODUCTION AT LKAB - SINTEFIron Making & t Technology Iron Making Process 100 people in R&D (LKAB 4200) 15 with PHD, 60 MSc / BSc, 15 Technician, 10 lab worker 30 % Women (LKAB 14 %) Annual operational cost R&D 250 MSEK R&D ORGANISATION Production ProcessIron Ore Sintering: Process - ResearchGateIron Ore Sintering: Process D. Fernández-Gonzáleza, I. Ruiz-Bustinza b, J. Mochón, C. González-Gascac, and L. F. Verdejaa aDepartment of Materials Science and ...US Patent, Patent Application and Patent Search - .Abstract: A process for the production of a high grade nickel product including the steps of: a) providing at least one heap of a nickeliferous lateritic ore and leaching that heap with a suitable lixiviant, preferably sulfuric acid solution, to produce a nickel rich pregnant leach solution (PLS); b) subjecting the PLS to an impurity removal step to precipitate ferric iron, and preferably ...PyroGenesis to trial iron ore plasma torch - Mining .The company said for iron ore pelletisation clients, replacing fossil fuel burners with plasma torches can result in a CO2 reduction in excess of 350,000 tonnes per year per plant. This is the second time recently that a significant player in the iron ore pelletisation industry has entered into a modelling contract with the company, said Peter Pascali, chief executive of PyroGenesis.New dry iron ore processing technology developed - .The method does not use water to process iron ore, instead it transforms mining tailings – with low iron content ... The patent has been approved in the United States and is also being process.

Iron Ore Sintering: Process - ResearchGate

Iron Ore Sintering: Process D. Fernández-Gonzáleza, I. Ruiz-Bustinza b, J. Mochón, C. González-Gascac, and L. F. Verdejaa aDepartment of Materials Science and ...Steel - Open-hearth steelmaking | BritannicaBulk materials, such as scrap, cold blast-furnace iron, ore, limestone, coke, and alloying agents, are charged through the furnace doors in small boxes of one- to two-cubic-metre capacity. The boxes are brought to the OHF on small railroad buggies, and a charging machine then moves one box after another through a door, turns them over, and dumps their contents onto the hearth.iron ore pellets-Company Profiles, Project, Process, .Iron ore pellets Exporters Patent An Apparatus & method for Recycling dust & sludge containing iron in iron making process using coal & fine ore. Iron ore pellet process Fired iron ore pellets having macro pores Method and apparatus for drying iron ore ...Iron processing | Britannica6/8/2020· Iron processing, use of a smelting process to turn the ore into a form from which products can be fashioned.Included in this article also is a discussion of the mining of iron and of its preparation for smelting. Iron (Fe) is a relatively dense metal with a .Steel - Open-hearth steelmaking | BritannicaBulk materials, such as scrap, cold blast-furnace iron, ore, limestone, coke, and alloying agents, are charged through the furnace doors in small boxes of one- to two-cubic-metre capacity. The boxes are brought to the OHF on small railroad buggies, and a charging machine then moves one box after another through a door, turns them over, and dumps their contents onto the hearth.

CSIR - IMMT | Institute of Minerals and Materials .

Process flow sheet to beneficiate low grade graphite – Adhunik Minerals Limited Enhancing the capacity of iron ore beneficiation plant of M/s. Essar Steel Ltd., Kirundal from 400 tph to 720 tph by plant audit, simulation, optimization and modification of thePatents Assigned to Midrex Corporation - Justia Patents .Justia - Patents - Patents and Patent Application Resources Abstract: A method and apparatus for the direct reduction of iron in which a fossil fuel is gasified to produce a hot gas which is tempered with a carbon dioxide lean gas. The mixture is reacted with carbon ...New dry iron ore processing technology developed - .The method does not use water to process iron ore, instead it transforms mining tailings – with low iron content ... The patent has been approved in the United States and is also being processed ...

Process for producing sintered iron ore product - .

28/5/1996· A process for producing a sintered iron ore product using iron scrap as a raw material according to claim 1, wherein in said packed bed, said raw mix provided by adding an iron scrap to a raw sintering iron ore product in an amount up to 100% based on the totalExtraction of Nickel, Cobalt and Iron from Laterite Ores .The laterite deposits exhibit graded layers of ore, with high iron, low nickel ore on top and low iron, high nickel ore below. The low iron (< 15 % Fe) ores containing 1.7 — 2.3% Ni are treated by pyrometallurgical processes to produce ferronickel or matte.US Patent, Patent Application and Patent Search - Justia .Patent number: Abstract: A process for producing pig iron from iron ore fines wherein the fines are partially reduced in a fluid bed reactor and, without pelletizing, briquetting or otherwise agglomerating the partially reduced fines, injecting them with a lance below the surface of a bath of a submerged arc furnace.Vale to build New Steel plant and boost dry iron ore ."Through this process, New Steel can deliver a concentrate with iron content up to 68%, from poor ore with content up to 40%, depending on its chemical and mineralogical composition," Vale said. "Currently, this concentration is produced by the method known as flotation, which uses water.