patent of iron ore process

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US3337328A - Iron ore beneficiation process - Google Patents

Aug. 22, 1967 J E. LAWVER IRON ORE BENEFICIATION PROCESS Filed June 19, 1964 FIG. 1. Heavy Media Tailings Tailing Pond Fines or Semitaconite 25 to 50% Iron I Crush and/or Grind to Free the Iron Oxide Partial Concentration to Separate Iron Mineral from Waste Product Sheets-Sheet l by one of Following...

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US3402041A - Process for removing phosphorus from iron ores ...

US542171A * 1895-07-02 Process of dephosphorizing iron ores. CA448505A * 1948-05-18 Claude Arbel Edouard Process for the treatment of iron ores. US3232744A * 1961-11-16 1966-02-01 Inst Noguchi Process for producing iron oxide with a low silica content. Family To Family Citations.

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Brazilian company patents innovative dry iron ore processing ...

May 6, 2016 ... The Brazilian company New Steel S/A has developed an innovative technology that promises to transform mining into an environmentally sustainable activity. Owned by the Lorentzen group, New Steel has just patented, in Brazil and in the United States, the creation of the first iron ore tailing processing in...

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WO2013138889A1 - A process and system for dry recovery of iron ...

US6062393A * 1997-09-16 2000-05-16 Carpco, Inc. Process and apparatus for separating particles of different magnetic susceptibilities. US6361749B1 * 1998-08-18 ... roll-type magnetic separator. US8545594B2 * 2011-08-01 2013-10-01 Superior Mineral Resources LLC Ore beneficiation.

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Platts - Brazil's New Steel gains patents for dry ore processing

Brazil's New Steel gains patents for dry ore processing - Monday, 9th May 2016. Brazil technology. Brazilian iron ore concentrator company New Steel has gained patents in Brazil and the US for developing what it says is the world's first completely dry processing method for iron ore fines. The process involves the...

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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. The oxidation also raises the...

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Edison Ore-Milling Company - Wikipedia

The Edison Ore-Milling Company was a venture by Thomas Edison that began in 1881. Edison introduced some significant technological developments to the iron ore milling industry but the company ultimately proved to be unprofitable. Towards the end of the company's life Edison realised the potential application of his...

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Kelly Pneumatic Iron Process - American Chemical Society

Jul 1, 2016 ... Patent drawing depicting Kelly's specially-designed cupola furnace, used in the pneumatic iron process. From Kelly, W. ... For centuries, iron and steel were produced in small batches by artisan foundry-masters who worked ores and crude foundry products with heat to produce useful metals. Their methods...

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Process of producing pig iron from iron ore concentrate - IPS ...

May 27, 1986 ... Process of producing pig iron from iron ore concentrate. United States Patent 4591381. Abstract: 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. According...

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Dephosphorisation of western australian iron ore by ...

At the current rate of mining, identified premium grade iron ore with low phosphorus content (<0.05%) will be depleted in 30 years. The development of an economical dephosphorisation process is critical for the future success of the Western Australian iron ore industry. In the current work, effective dephosphorisation of...

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Thomas A. Valerio Inventions, Patents and Patent Applications ...

System and method for iron ore byproduct processing. Patent number: 9315878. Abstract: Processing byproduct material from a direct reduction process of iron ore to reclaim iron and other materials from the byproduct. The systems and methods employ gravity separation tables to separate the iron from other byproduct...

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Cold Bonding of Iron Ore Concentrate Pellets: Mineral Processing ...

Jan 28, 2014 ... Iron ore concentrate pellets are traditionally hardened at high temperatures in horizontal grates and grate-kiln furnaces. ... Cold bonded pellets are usually hardened at temperatures lower than 300°C. Different processes can be used to cold bond pellets, but most involve ...... US Patent 6,676,725 B2.

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Magnetation could turn iron tailings into profits - May. 20, 2009

May 20, 2009 ... Once upon a time, Minnesota's Iron Range was famous for minting millionaires. Thanks to a new technology that promises to turn refuse into usable iron, history might repeat itself.

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Iron processing | Britannica.com

Iron processing, use of a smelting process to turn the ore into a form from which products can be fashioned. Included in .... Accelerating the conversion of pig iron to malleable iron was attempted by a number of inventors, but the most successful was the Englishman Henry Cort, who patented his puddling furnace in 1784.

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Development of carbon composite iron ore micropellets by using the ...

Iron ore microfines and concentrate have very limited uses in sintering processes. They are used in pelletization; however, this process is cost intensive. Furthermore, the microfines of non-coking...

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KWG Allowed Canadian Patent for Production of Chromium Iron ...

Dec 14, 2017 ... KWG Resources Inc. has received from the Canadian Intellectual Property Office the formal Notice of Allowance that a Patent for PRODUCTION OF CHROMIUM IRON ALLOYS DIRECTLY FROM CHROMITE ORE will be issued upon payment of the specified fee. As permitted, the Company intends to...

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Nov. 11, 1856: Bessemer Becomes the Man of Steel | WIRED

Nov 10, 2008 ... 1856: Englishman Henry Bessemer receives a U.S. patent for a new steel-making process that revolutionizes the industry. The Bessemer ... As a Great Lakes port city, and given its proximity to the fertile iron-ore-producing fields in the upper Midwest, Detroit became an early steel-producing town. Bessemer...

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No. 523: Edison's Big Failure

But Edison had left behind a string of important process patents. His work later showed us how to process low-grade taconite ore. Edison himself went on to revolutionize concrete production with his methods. Henry Ford picked up ideas for his assembly line from Edison's plant. Even Iron Age magazine finally granted that...

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iron ore concentration process description - Central da Cidadania

hematite iron ore beneficiation processAug 1, 2016 Hematite ore process flow diagram, CGM mining appliion Hematite Iron ore beneficiation process flow, FDM. Home Process flow Prices OfIron Ore - Mineral ... Patent US20140117125 - Iron ore concentration process with. May 1, 2014 Iron ore concentration process with...

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Smelting iron ore in a microwave - Kottke

Jul 8, 2009 ... I failed to get pure enough iron in this way, though if I'd tried a few more times and refined my technique and knowledge of the process I probably would've managed in the end. Instead I found a 2001 patent about industrial smelting of Iron ores using microwave energy. Microwaves, as we all know, are just...

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Henry Cort - Graces Guide

Dec 17, 2014 ... Henry Cort (1740–1800) was an English ironmaster. During the Industrial Revolution in England, Cort began refining iron from pig iron to wrought iron using innovative production systems. In 1782 he patented the puddling process for refining iron ore. The son of a builder, Cort was born in Lancaster in...

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Iron : BASF SE - Mining Solutions

BASF offers a wide range of products to the iron ore industry, including Alcotac® organic binders and dust suppressants. Our patented Alcotac® synthetic binders offer a highly efficient alternative to conventional bentonite binders for the agglomeration process. Alcotac® organic binders are used to create strong, low silica...

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National Metallurgical Laboratory - Patents

A process for preparation of polymeric N-acrylamido triazole compounds and the use thereof as anti tarnishing agents and corrosion inhibitors of copper and copper alloys. Patent Pending. A K Mohanty, S K Tiwari, T Mishra and S Chakravarty. 55. A non-invasive process for sorting of alumina rich iron ores. Patent Pending.

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Process for the extracting oxygen and iron from iron oxide ...

Patent Number: 4,997,533. Kawatra et al. [45] Date of Patent: Mar. 5, 1991. [54] PROCESS FOR THE EXTRACTING OXYGEN. AND IRON FROM IRON. OXIDE-CONTAINING ORES. [75] Inventors: Surendra K. Kawatra; Timothy C. Eisele, both of Houghton, Mich. [73] Assignee: Board of Control of Michigan. Technological...

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Iron Ore Producer Realizes Immediate Savings and Operational ...

Iron Ore Producer Realizes Immediate Savings and Operational Benefits ... Thereby, the refined and enriched iron ore will be sold at higher prices. ... Sturtevant Inc. is the leading family-owned manufacturer of material processing equipment including its patented Whirlwind® Air Classifier which separates fines from...

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KWG Allowed Canadian Patent for Production of Chromium Iron ...

Dec 14, 2017 ... KWG Allowed Canadian Patent for Production of Chromium Iron Alloys Directly from Chromite Ore ... The award of this Patent will enable us to now vigorously pursue an opportunity to further develop the process with pilot plant testing in one of the strategic locales that have been under consideration.".

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John Thella - Sustainable Minerals Institute - University of Queensland

Sep 18, 2017 ... John S Thella has Seven years of experience in developing solutions for complex mineral processing projects. ... Patent filed on Hydro cyclone for iron ore slimes beneficiation (Application No: 520/KOL/2010/10.05.2010); Patent filed on Iron slime beneficiation for fraction below 45 microns (Application No:...

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Magnetation Inc - History

Founded in 2006, Magnetation Inc. was created with the intention of utilizing magnetic separation technology to capture iron ore particles left over from ... Since the first Rev3™ patents were issued in November, 2012, the Rev3™ has been patented globally in numerous iron ore producing countries and was also the core...

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Edison's U.S. Patents, 1890-1899 - The Edison Papers

The following list contains the 113 patents for which Edison executed an application between January 1890 and December 1899. It is arranged ... 02/08/90, 02/17/90, 12/15/91, 465,250, Process of Extracting Copper Pyrites. 656. 02/14/ .... 07/31/91, 08/24/91, 11/08/92, 485,840, Method of Bricking Fine Iron Ores. 707. 07/31/...

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CPC Definition - C21B MANUFACTURE OF IRON OR STEEL ...

The production of iron or steel starting from iron ores, e.g. the production of pig-iron;. The recovery of by-products, e.g. slag, from these production methods;. Apparatus specially adapted therefore, e.g. blast furnaces, air heaters. Relationships with other classification places. General metallurgical processes for obtaining...

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World Mining Magazine - Issuu

Jun 15, 2016 ... 24: News in Brief / ABB at Chilean copper mine 25: Silver in Mexico: Cyprium Mining / Orex Minerals 29: Lithium in Australia / Iron ore forecasts / First gold at ...... razilian company New Steel S/A has just patented, in Brazil and the United States, the first fully dry iron ore tailing processing method in the world.

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Iron Ore Flotation, Reverse Cationic Flotation, Reverse Anionic ...

important to process intermediate- and low-grade iron ore in an attempt to meet the rapidly growing demand on the international market. ... closely reviewed. Keywords Iron Ore Flotation, Reverse Cationic Flotation, Reverse Anionic Flotation, Alumina Removal, Phosphorus ..... from an iron ore. US Patent 7,311,206 B1.

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Ardis Furnace, Iron Mountain, Michigan

The furnace was intended to produce a “more nearly pure pig iron from the ore than is obtainable by the usual smelting process as practiced” with less fuel usage, and was described in Jones's 1908 patent, number 890,234, “Method for treating iron ore. In May, 1916, the large steel tube was sold to the Thomas Iron & Steel...

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Wrought-Iron Direct from the Ore - Scientific American

Ren-ton, of Newark, has just discovered a new prin ciple or process, to manufacture wrought-iron direct from the ore, without previously smelt ing the ore in a blast ... In De cember, 1837, Mr. Clay took out his patent in England; of this Mr. Green, of the i'oonton Iron "Works, New Jersey, took an assignment, and witk some...

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William Kelly - American Society of Mechanical Engineers

William Kelly (1811 – 1888), a 19th-century American inventor, is one of them. His invention of the pneumatic process of steelmaking revolutionized the industry. It is a process in which air is blown through molten pig iron to oxidize and remove unwanted impurities. Also patented by Sir Henry Bessemer of Great Britain, this...

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Method of processing aluminous ores (Patent) | SciTech Connect

Feb 24, 1981 ... Resource Relation: Patent File Date: 25 Mar 1980. Country of Publication: United States. Language: English. Subject: 32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION; ALUMINIUM CHLORIDES; PRODUCTION; ALUMINIUM ORES; ORE PROCESSING; ALUMINIUM SULFIDES; IRON...

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Royalty Patent in Iran - - How to invest in Iran

Aug 24, 2016 ... One of the most interesting investment opportunities in Iran is metal and iron ore industry based on my previous article in this website. ... and projects relating to construction and modernization of metal related industries, extraction and processing of mineral products as well as executing exploration projects.

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How We Helped Todd Figure Ways to Increase Carbon Content in ...

Apr 7, 2017 ... Simply put, he was trying to comprehend how the carbon content in sponge iron in reduction furnace could be increased. Todd did not rely on the conventional way of finding a solution to his problem by churning through surplus amount of data in the form of patents and literature available on this problem.

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The Bessemer Process The Process that Made the Modern World ...

Jun 22, 2015 ... The Bessemer process was used in order to produce steel from wrought iron. ... On October 17, 1855, Bessemer received a patent on the process of blasting air to the molten wrought iron to removed impurities to make steel. And by .... Most iron ore in England, however, had high content of phosphorus.

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Thomas Edison Patents | Thomas Edison Muckers

His patents can be grouped into eight categories, whose total productive output can be "roughly approximated" as: Electric light & power [425] Phonographs and recorded sound [200] Telegraphy and telephony [185] Batteries [145] Mining and iron ore milling [50] Cement [ 40] Miscellaneous [50] Motion pictures [10] Edison...

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