patent of iron ore process

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  • Brazilian company patents innovative dry iron ore ...

    The clean technology developed by New Steel is breaking paradigms, as it does not use water to process iron ore, in addition to using natural gas or biomass as an energy source.

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  • iron ore pelletsCompany Profiles, Project, Process ...

    Iron ore is the raw material used to make pig iron, which is one of the main raw materials to make steel. 98% of the mined iron ore is used to make steel. There are two main processes for producing iron ore pellets: The GrateKiln System and the straight grate system.

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  • iron ore processing cost patent

    Patent CN102921547A Dry type ore dressing process for iron ore ... 2013213 ... The dry type ore dressing process has the beneficial effects that no water ... is reduced, the ore dressing cost is reduced, the process is shortened, the ...

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  • the patent for the processing of iron ore

    Patent number: Iron Ore Sintering: Process: Mineral Processing and Extractive . Mar 24, 2017 Oxidized iron ores with a granulometry within 10 and 120 mm were This process was also known as updraft sintering process Patent no. Kelly Pneumatic Iron Process American Chemical Society.

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  • patent of iron ore process

    Patent US3980465 Process for producing iron ore … Ironore oxidized pellets are produced from magnetite concentrate by the addition to the magnetite concentrate of at least one calcium compound selected from the ...

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  • Iron ore concentration process with grinding circuit, dry ...

    WO 2014/063211 PCT/BR2013/000411 1 IRON ORE CONCENTRATION PROCESS WITH GRINDING CIRCUIT, DRY DESLIMING AND DRY OR MIXED (DRY AND WET) CONCENTRATION This application claims priority from Patent Application No. 61/719,143, titled "Specification for Iron Ore (Itabirite) Concentration Process 5 with Milling Circuit and Dry Desliming and Dry or Wet Concentration", filed …

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  • Cement The Edison Papers

    Cement While attempting to develop his ore milling process to concentrate lowgrade iron ore, Edison found that he could sell the waste sand to cement manufacturers. In 1899, he decided to investigate how he might transfer his rockcrushing technology to the production of Portland cement.

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  • iron fines pelletisation process YouTube

    Feb 13, 2016· In iron ore pelletization, process parameters, Pass out Iron Ore Process page and have students fill in all Recycling of steel plant mill scale via iron ore …

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  • US3337328A Iron ore beneficiation process Google Patents

    (A) said lowgrade iron ore material is selected from the class consisting of semitaconite ore, tailings from other iron ore beneficiation processes containing 25 to 50% iron and lowgrade hematitic ore and (B) said initial concentrate is produced by gravity separation.

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  • cement bonded iron ore pellets patents BINQ Mining

    Jan 17, 2013· A process in which iron ore pellets are made by adding binder comprising … it appears from the patent that … as binders, only Portland cement, … » More detailed iron ore pellet Process Technology and Project,Applications,Market

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  • patent of iron ore process Mineral Processing EPC

    Sep 03, 2016· patent of iron ore process offers 790 induction furnace design products. About 99% of these are industrial furnace. A wide variety of induction furnace design options are. Quotation More. SBM cheap PFW seres stone impact crushers 1000 ton per hour for .

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  • patent on iron ore processing

    Cold Bonding of Iron Ore Concentrate Pellets: Mineral Processing . Jan 28, 2014 Keywords: agglomeration, cold bonding, iron ore, pelletization . Pellets harden during the curing process as the cementitious minerals in the cement hydrate or react United States Steel Corporation, US Patent …

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  • US3502271A Iron ore treating process Google Patents

    This process is described generally in a related copending application of James E. Lawver, Ser. No. 376,338 filed June 19, 1964, for Iron Ore Beneficiation Process, now Patent No. 3,337,328 issued Aug. 22, 1967, and in a paper coauthored by applicant entitled Progress Report on Semitaconite Beneficiation published in Mining Congress Journal ...

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  • Microbial reduction of iron ore (Patent) | DOepatents

    A process is provided for reducing iron ore by treatment with microorganisms which comprises forming an aqueous mixture of iron ore, microorganisms operable for reducing the ferric iron of the iron ore to ferrous iron, and a substrate operable as an energy source for the microbial reduction; and ...

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  • Patent US2809105 Method of treating mayaritype iron ore ...

    A process for treating Mayari type iron ore to remove chromium comprising the steps of roasting the ore with an alkali metal compound of the group consisting of hydroxide, carbonate, and ...

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  • Iron processing |

    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 …

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  • iron ore patents

    Patent US2771355 Agglomerating ores in the blast furnace . 1. The process of agglomerating iron ore inside the blast furnace which consists of adding to the iron ore being charged into the blast furnace a solution containing from one tenth to ten percent cementing agent and then charging the iron ore and cementing agent into the blast furnace.

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  • William Kelly (inventor) Wikipedia

    William Kelly (August 21, 1811 – February 11, 1888), born in Pittsburgh, Pennsylvania, was an American is credited with being one of the inventors of modern steel production, through the process of injecting air into molten iron, which he experimented with in the early 1850s. A similar process was discovered independently by Henry Bessemer and patented in 1855.

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  • iron ore ball mill patent

    Patent US3337328 Iron ore beneficiation process Google Patents. IRON ORE BENEFICIATION PROCESS Filed June 19, 1964 6 SheetsSheet 2 ..... as waste and the iron oxide froth product is passed through a rod or ball mill,... Basics in Minerals Processing Handbook as pdf file zenith.

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  • Bessemer process Wikipedia

    The Bessemer process was the first inexpensive industrial process for the mass production of steel from molten pig iron before the development of the open hearth furnace. The key principle is removal of impurities from the iron by oxidation with air being blown through the molten iron.

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  • BETHLEHEM PATENTS IRON ORE PROCESS The New York Times

    This is a digitized version of an article from The Times’s print archive, before the start of online publication in 1996. To preserve these articles as they originally appeared, The Times does ...

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  • patent on iron ore processing

    The equipment is patented in China. ... process flow for various ores beneficiation, including iron ore, tin ore, copper ore, gold ore, lead zinc ore, manganese ore, etc. 6. Chat Online Algae Biodiesel Supplier

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  • iron ore ball mill patent

    appropriate ball mill volume for an ore of batch size 10kg 34, Nos. 3, 4, pp ball or autogeneous mills... Patent WO1984000704A1 Process for the ...Iron Ore, The effect of grinding pressure, feed...

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  • Carbothermic process Kinglor Metor

    Feb 19, 1980· A carbothermic process for converting iron ore directly to sponge iron comprising the steps of charging a reaction mixture comprising iron ore to be reduced and a reducing agent at the top of a vertical retort comprising first, second, and third reaction zones; preheating said reaction mixture in said first reaction zone to a temperature below ...

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  • Iron Ore Agglomeration Processes and their Historical ...

    In 1905, EJ Savelsberg developed the process of iron ore sintering with the sintering mixture containing coal and coke breeze (German patent number 210742). In 1906, AS Dwight and RL Lloyd both of USA invented a belt type sinter machine for vacuum sintering.

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  • Patents by Inventor Hamilton Porto Pimenta Justia

    A production process of ore fines agglomerate is disclosed comprising the steps of using ore fine particles with a granulometry lower than mm, mixing the ore fine particles with an agglomerating agent in a ratio of to % by mass of sodium silicate, forming wet particles with diameters between mm and mm with an addition of ...

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  • Process for the direct reduction of iron ore US Patent

    The direct reduction of iron ore requires the production of a synthesis gas or reducing gas containing hydrogen and carbon monoxide for reaction with the iron ore in the shaft furnace. Numerous processes have been used or proposed for the production of a synthesis …

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  • US Patent 3,980,465. Process for producing iron ore ...

    At Patents you can conduct a Patent Search, File a Patent Application, find a Patent Attorney, or search available technology through our Patent Exchange. ... Process for producing iron ore oxidized pellets from magnetite concentrate Abstract.

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  • iron ore processing cost patent

    iron ore processing cost patent E Waste Gold Recovery Machine. Precious Metal Scrap E Waste PCB Circuit Board Gold Recovery Recycling Machine . Low Price Gravity Separator Table For Ewaste RecycleChina Gold Mining .

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  • Iron Ore Patents

    iron ore ball mill patent . iron ore ball mill patent diaphragm iron ore ball mill polysius,diaphragm iron ore ball Patent A process for producing a high brightness, Patent US3067957 Process of upgrading iron ore ...

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  • US Patent for Aminecontaining formulations for reverse ...

    The present invention relates to a process for enriching an iron mineral from a silicatecontaining iron ore by reverse froth flotation of the ore using a collecting composition comprising: a) a compound of formula R1OANH(CH2)nNH2 (I), wherein R1 is a straight or branched hydrocarbyl group with 12 ...

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  • Iron Ore Ball Mill Patent

    Porous iron ore pellets Kabushiki Kaisha Kobe Seiko Sho. Sep 21, 1982 ... Porous iron ore pellets and a process for manufacturing same, the pellets having a ... in Japanese LaidOpen Patent Specifications 119403/1977 and .... into iron ore for dry mixed grinding in a …

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