Patent Of Iron Ore Process

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US3337328A - Iron ore beneficiation process - Google Patents

The principal object of the present invention is to provide an economical iron ore beneficiation process for the production of saleable concentrates which are acceptable to the steel mills because they meet the requirements of the mills. Such concentrates should contain more than …

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the patent for the processing of iron ore

More than 80% of Western Australian iron ore contains an average of 0.15% phosphorus, and attracts a The development of an economical dephosphorisation process is critical for the future success of the United States Patent 1966.

WO2013173895A1 - Process for the improvement of ...

"Process for the improvement of reducibility of iron ore pellets" This application claims priority from U.S. Patent Application No. 61/650,905, titled "Process for the improvement of reducibility of ore pellets," filed on May 23, 2012, and which is incorporated herein by reference in its entirety.

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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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The HIsarna process is a process for iron making in which iron ore is processed almost directly into liquid iron or hot metal. The process combines two process …

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

The present invention relates to a process for enriching an iron mineral from a silicate-containing iron ore by carrying out an inverse ore flotation process using alkyl ether amines and/or alkyl ether diamines. The invention also relates to novel ether amines and alkyl ether diamines and …

Brazilian company patents innovative dry iron ore ...

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 the world that is fully dry.

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

The present invention relates to a process for enriching an iron mineral from a silicate-containing iron ore by carrying out an inverse ore flotation process using alkyl ether amines and/or alkyl ether diamines. The invention also relates to novel ether amines and alkyl ether diamines and …

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Patent Of Iron Ore Process. HIsarna steelmaking processWikipedia, the free The HIsarna process is a process for iron making in which iron ore is processed almost directly into liquid iron or hot metal. The process combines two process units Read more. Get Price.

the patent for the processing of iron ore

Process for iron ore pellets production Free Patents . Jun 01, 1999· The present invention concerns a process for iron ore pellets production comprising at least one iron ore crushing stage in a roller press for the production of iron ore pellets. Chat Online >> US Patent # 3,980,465. Process for …

US Patent # 5,587,001. Process for treating iron ...

Process for treating iron-containing sulfidic rocks and ores Abstract. A process is provided for pretreating iron-containing sulfidic ores of precious metals or other such sulfidic rocks with a source of manganate ions prior to lixiviation to form a layer of manganese oxide, thereby reducing the consumption of lixiviation reagents or reducing acid rock drainage.

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Patent US3337328 - Iron ore beneficiation process - Google Patents. IRON ORE BENEFICIATION PROCESS Filed June 19, 1964 6 Sheets-Sheet 2 Crude .... for the highest iron recovery with minimum capital and operating costs.

iron ore pellets-Company Profiles, Project, Process ...

Refine iron ore pellet suppliers; Iron ore pellets Suppliers; Suppliers of iron ore pellets; Iron ore Pellets Suppliers; Iron ore pellets Exporters Patent. An Apparatus & method for Recycling dust & sludge containing iron in iron making process using coal & fine ore.

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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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patent on iron ore processing - greatermscfc. patent on iron ore processing_ Edison's Companies - The Edison PapersEdison began litigation in July, alleging patent infringement, and a …

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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patent of iron ore process iron ore processing cost patent sand washing machineProcess for producing iron from fine-grained iron oresFriedKrupp- iron ore processing cost patentView Patent ImagesThe direct reduction processwhich is -patent of iron ore process-,Review of Organic Binders for Iron Ore Review of Organic Binders for Iron Ore ...

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Patent US3160498 - Fluidized iron ore reduction process and ... 8, 1964 T. F. oLT ETAL FLUIDIZED IRON ORE REDUCTION PROCESS AND ... for crushing, including'rod mills, ball mills, swing-hammer mills and the like.

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 maintaining the aqueous mixture for a period of time and under conditions operable to effect the reduction of the ore.

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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 ...

US Patent for Reverse iron ore flotation by collectors in ...

A preferred embodiment of this invention is the use of ethermonoamines, etherdiamines, hydrocarbon amines, sternamines, ammonium compounds and/or mixtures thereof, in form of a nanoemulsion, for reverse flotation of iron ore.

Process for the production of reduced iron and thermal ...

The invention provides a novel process for concurrently carrying out production of reduced iron and thermal cracking of heavy oils in which the reaction of thermal cracking is performed in a fluidized state with the fine iron ore as the fluidized medium and the particles of the iron ore become coated with deposits of the carbonaceous by-product material.

Gold Recovery from Electronic Waste & Mining Process ...

Mineworx Technologies Ltd. as a solution provider of process technologies for the extraction of gold in the E-Waste and Mining sectors and currently enjoys no known or significant competition. Its patent-pending technologies are further protected by several solid barriers to entry.

Direct Reduced Iron and its Production Processes ...

Direct reduced iron (DRI) is technically defined as iron ore which has been reduced to metal without melting it. Hot briquetted iron (HBI) is a densified form of DRI to facilitate its handling and transport.

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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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 Laid-Open Patent Specifications 119403/1977 and .... into iron ore for dry mixed grinding in a …

(12) United States Patent (10) Patent No.: US 8,701,892 B2

common process of removing silicates from iron ore is reversed froth flotation, where the silicates are enriched in the flotate and leave the system with the froth, and the iron ends ... flotation of silica from iron ore. This patent publication is silent about the Kso-value of the mineral samples flotated.

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