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  • patent on iron ore processing - chiropractorchiropractic.co.za

    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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  • US Patent for Amine and diamine compounds and their use ...

    In the process according to the invention for enriching an iron mineral from a silicate containing iron ore by inverse flotation conventional inverse flotation plant equipment may be used. In general the iron ore can be combined with water or suitable aqueous liquid and mixed using mechanical mixing means to form a homogenous slurry.

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  • Process of producing pig iron from iron ore concentrate ...

     · A process for producing pig iron from iron ore concentrate, in a reactor vessel into which iron ore concentrate, coal, oxygen gas and slag formers are injected beneath the surface of a molten iron bath.

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  • Carbothermic process - Kinglor Metor S.p.A.

     · A carbothermic process and apparatus for converting iron ore directly to sponge iron in a vertical retort is described. A reaction charge of iron ore, reducing agent, and additives if employed is charged to a vertical retort having in reciprocal cooperation and coordination as a first stage a pre-heating operation wherein the reaction mixture descends in the retort at a constant speed, the ...

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  • Cement - The Edison Papers

    Cement. While attempting to develop his ore milling process to concentrate low-grade 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 rock-crushing technology to the production of Portland cement.

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  • Iron Ore Sintering: Process - researchgate.net

    Sintering is a thermal agglomeration process that is applied to a mixture of iron ore fines, recycled ironmaking products, fluxes, slag-forming agents, and solid fuel (coke). The purpose of the ...

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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 gas containing hydrogen and carbon monoxide. Among these processes are the following.

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  • iron ore processing cost patent - shoppingemporium.co.za

    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 E-waste RecycleChina Gold Mining .

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  • Strong Magnetic Iron Ore Beneficiation Process - Xinhai

    The increasing demand of iron ore at home and abroad further stimulates the development of the global iron ore beneficiation industry. As one of the leading enterprises in domestic mineral processing industry, Xinhai has been dedicated commitment to the research and development of iron ore process, technology and equipment for more than 20 years.

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  • William Kelly (inventor) - Wikipedia

    William Kelly (Aug – Febru), born in Pittsburgh, Pennsylvania, was an American inventor.He 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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  • patent of iron ore process - Mineral Processing EPC

     · 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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  • 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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  • Iron Ore Beneficiation Process

    Iron Ore Beneficiation Process View Larger Image During the last ten years great strides have been made, on the Mesabi range, in the practice of beneficiating low grade iron ore material.

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  • iron ore ball mill patent - livingrail.eu

    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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  • the patent for the processing of iron ore

    The process of removing phosphorus from iron ore linked to the concept of selective patented a process consisting of the mixture of chlorides of alkali metals. Steel manufacturefo. As early as 6,000 years ago, early civilizations used iron ore found in out a patent on his process for rendering cast iron malleable by the introduction of air into

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  • Microbial reduction of iron ore - Patent - Europe PMC

    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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  • Iron Ore Agglomeration Processes and their Historical ...

    Pelletizing of iron ore is a method of Swedish origin, patented in 1912 by AG Andersson (Yamaguchi et al., 2010). The process was developed in the USA in the 1940s, and the first commercial plant started operation in Babbitt, Minnesota in 1952. The first iron ore pellet plant of the grate-kiln type was established at Humboldt Mine, Michigan in ...

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  • Iron Ore Agglomeration Processes and their Historical ...

    Pelletizing of iron ore is a method of Swedish origin, patented in 1912 by AG Andersson (Yamaguchi et al., 2010). The process was developed in the USA in the 1940s, and the first commercial plant started operation in Babbitt, Minnesota in 1952. The first iron ore pellet plant of the grate-kiln type was established at Humboldt Mine, Michigan in ...

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  • Iron Ore Patents - padmahotel.in

    Process for the direct reduction of iron ore - patents.com. An energy efficient process for the direct reduction of iron ore is disclosed. The process utilizes a combination of primary steam methane reforming and secondary ...

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  • iron ore pellets-Company 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 Grate-Kiln System and the straight grate system.

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  • leachinh techonology in iron ore tailng process

    Master of Technology - ethesis - National Institute of Technology ... The potential of hetrotrophes for leaching/ beneficiation are yet to be fully ... micro organisms using iron ore beneficiation process and will contribute to the design database ..... fines containing 50 …

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  • How iron is made - material, manufacture, making, history ...

    Iron ore is converted into various types of iron through several processes. The most common process is the use of a blast furnace to produce pig iron which is about 94% iron and 5% carbon with smaller amounts of other elements.

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  • Kelly Pneumatic Iron Process - American Chemical Society

    In Great Britain, Bessemer held the patent for a pneumatic process that could not deliver consistent quality, and Kelly held essentially the same patent in the U.S. Mushet held a patent in both countries for making iron of consistent quality, but his process relied on the patents of Kelly and Bessemer.

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  • wet product screen iron ore process plant 2

     · Iron Ore Processing for the Blast Furnace - Steel.org. processing facility located on the Mesabi Iron Range of Minnesota. Creating steel from low-grade iron ore requires a long process of mining, Page 2 discharge is screened at 1/4" on trommel screens attached to the mill.

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  • iron ore ball mill patent - shoppingemporium.co.za

    iron ore ball mill patent ZENITH grinder mill machine, grinding mill with CE, View grinding . ZENITH grinder mill machine, grinding mill with CE, US $ 4999 - 99999 Set, …

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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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  • iron ore patents - spitsid.eu

    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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  • Iron and Steel - General, Process, Properties, Technology ...

    The smelting and refining process for iron and steel in the BF-BOF process involves the carbon reduction of iron ore (Fe2O3) in the BF to make molten iron, and decarburization of molten iron in the BOF to make molten steel.

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  • US3337328A - Iron ore beneficiation process - Google Patents

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

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

    4. The process for producing iron-ore oxidized pellets, as defined in claim 1, wherein said calcium compound is quicklime. 5. The process for producing iron-ore oxidized pellets, as defined in claim 1, wherein said mixture is granulated to a grain size of 8 to 20 mm in diameter. 6. Iron-ore oxidized pellets produced by the process of claim 1.

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