iron ore patents

William Kelly (August 21, 1811 – February 11, 1888), 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 …

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The method of purification of iron ore concentrates from phosphorus includes roasting, cooling, leaching with a mineral acid under given parameters of leaching, separation of the liquid phase from the solid, and iron ore concentrate is subjected to oxidizing roasting at a temperature of 800-1000 o With aged no more than one hour. The leaching ...

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It is an important industrial product, used mainly in iron ore smelting, but also as a fuel in stoves and forges when air pollution is a concern. The unqualified term "coke" usually refers to the product derived from low-ash and low-sulfur bituminous coal by a process called coking.

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ASGCO is a "Complete Conveyor Solutions Company." Since 1971 we have used engineered products and services toprovide our customers with the best solutions.

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Iron ore extraction and smelting were important in the early economy. The Beekman Patent was a manor until after the Revolution. Residents could only lease the land and pay rent in wheat, fat fowls and work on roads. The series Settlers of the Beekman Patent chronicles the …

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iron ore patents . iron ore ball mill with new patent concave2008sgs. iron ore ball mill with new patent concave2008sgs; iron ore ball mill/gold mining ball mill/China top ball mill.Ball mill for iron oret/hr and used ball mills for sale in. Iron ore ball mill YouTube Mine special ball mill ofQuality ball grinder supplier provides 3.6 x4.5 meters large iron ore ...

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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 silvery white appearance and distinctive

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An iron ore refining method in which a secondary reactor (24) is employed for partly reducing iron ore and partly oxidising a carbon containing substance to form partly reduced secondary iron ore, coal char and a calorific gas containing carbon dioxide and carbon monoxide in a ratio of not less than about 0.25. The calorific gas is separated from the partly reduced secondary iron ore and the ...

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Thomas Edison Patents In all, Edison was awarded 1,093 U.S. patents across a wide variety of technologies. Including his foreign patents, successfully filed in other countries, his total is 2,332.

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iron ore ball mill patent - launch-me.nl. iron ore ball mill patent clpg.eu. iron ore ball mill process mykeralatourin. Correlations for the Grindability of the Ball Mill As a CiteSeerX Ball mill is vital equipment in industries viz mineral dressing, ore processing, classifiion of ball mill is any type of mill in which mild steel or iron balls are.

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Oct 19, 2007· I am looking into offloading Iron Ore bulk vessels with an continous unloader. Much appreciated for contacts of companies supplying such equipment. Anybody with somehelpfull tips on this operation? Many thanks for your help!

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Thomas A. Valerio has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

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Justia - Patents - Patents and Patent Application Resources. Abstract: Sponge iron is produced at a shaft furnace from iron ore, preferably in the form of pellets, whereby a hot reduction gas is passed upwardly through the shaft furnace and the iron ore descends therein. The hot reduction gas is formed in part by a desulfurized fresh gas produced by partial oxidation of a hydrocarbon ...

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US Patent for Ore beneficiation Patent (Patent # 4,416,768. The primary objective of an ore beneficiation plant is to increase the value content of the product from its natural state to a practical high value depending on the kind of ore and the physical location of the next processing or utilization plant.

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A binder for use in agglomerating finely divided iron ore materials, e.g., concentrates, is prepared from an iron-bearing material known on the Mesabi Range of Minnesota as ''''paint rock.'''' This is a red or orange, fairly soft and extremely sticky mineral consisting essentially of hematite, kaolinite and quartz, and having a high-ignition loss and high-moisture content.

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patent of iron ore process - vandeijzervalleibe. patent of iron ore process Edison OreMilling Company Wikipedia The Edison OreMilling Company was a venture by Thomas Edison that began in 1881 iron ore processing cost patent - mayukhportfoliocoin [Chat Online] Iron Ore …

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US3140168A US113817A US11381761A US3140168A US 3140168 A US3140168 A US 3140168A US 113817 A US113817 A US 113817A US 11381761 A US11381761 A US 11381761A US 3140168 A US3140168 A US 3140168A Authority US United States Prior art keywords hydrogen reduction iron step ore Prior art date 1961-05-31 Legal status (The legal status is an assumption and is not a legal …

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The present invention relates to a process for enriching an iron mineral from a silicate-containing iron ore by reverse froth flotation of the ore using a collecting composition comprising: a) a compound of formula R1O-A-NH(CH2)nNH2 (I), wherein R1 is a straight or branched hydrocarbyl group with 12-15 carbon atoms, A is a group —CH2CHXCH2—, wherein X is hydrogen or a …

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Start studying Financial Accounting Chapter 6, 7, and 8. Learn vocabulary, terms, and more with flashcards, games, and other study tools.

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Feb 18, 2000· Justia Patents Iron(fe) US Patent for Process for the thermal treatment of granulated iron ore prior to the reduction Patent (Patent # 6,352,572) Process for the thermal treatment of granulated iron ore prior to the reduction . Feb 18, 2000 - Metallgesellschaft AG. The wet granulated iron ore is initially conducted through a drying zone. ...

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Dec 12, 2018· Vale (NYSE:VALE) agrees to acquire Brazilian iron ore processing technology company New Steel for $500M. New Steel develops iron ore beneficiation technologies to process iron ore and owns patents ...

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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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Brazilian company patents innovative dry iron ore processing method in Brazil and in the US. Tuesday, May 10th, 2016. The new technique was awarded the Platts Global Metals Awards 2015, considered the "Oscar" of mining, in the innovation category.

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May 06, 2016· Brazilian company patents innovative dry iron ore processing method in Brazil and in the US. ... the creation of the first iron ore tailing processing in the world that is …

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Growth & Innovation Adding value throughout the asset lifecycle. The Growth & Innovation group supports Rio Tinto's assets to achieve superior performance throughout their lifecycle by optimising value from the time of the initial concept through to when a mine or processing facility is closed.

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Patents, rights to drill for oil on someone's land, and copyrights of creative works such as books are: intangible possessions. A property that comprises land and everything attached to the land, including minerals such as oil, iron ore, and others, is known as:

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A method of using an induction furnace to process iron ore into an iron product such as pig iron in which iron ore is the main or exclusive source of iron fed into the induction furnace. ... Use of an induction furnace for the production of iron from ore - Google Patents ... 2007-07-12 Publication of US20070157761A1 publication Critical patent ...

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Iron ore pellets having superior reduction and load softening properties in blast furnace operations. The pellets are prepared from a raw material to which is added an amount of magnesia or a MgO feeding source such as that the ratio of MgO to the SiO 2 content of the raw material is at least about 0.5 and the CaO content in the raw material is adjusted so that the ratio CaO/SiO 2 is less than ...

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Ironmaking is the major energy consuming and CO2-emmiting step in steel production. Direct reduction processes are an alternative to the traditional blast furnace because of the use of H2 in the reducing gases which generate less CO2. There are two main technologies for direct reduction of iron, Midrex and Energiron (or Hyl) which together are responsible for 80% of the production of direct ...

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Jun 20, 2017· The invention is also directed to binding, strength, workability and water use industrial applications and methods for iron ore pelletizing and cement industries. 2. Description of the Background. The iron ore being mined globally can approximately …

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