patent of iron ore process

Bessemer process - Wikipedia

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

the patent for the processing of iron ore

(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.

BETHLEHEM PATENTS IRON ORE PROCESS - The New York Times

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 ...

iron ore processing cost patent - mayukhportfolio.co.in

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 ...

Cement - The Edison Papers

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 1855.

cement bonded iron ore pellets patents - BINQ Mining

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 ...

US Patent # 3,980,465. Process for producing 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 ...

patent on iron ore processing - chiropractorchiropractic.co.za

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.

William Kelly (inventor) - 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.

US Patent for Amine-containing formulations for reverse ...

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 .

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

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 U.S. 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 …

Microbial reduction of iron ore (Patent) | DOepatents

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 ...

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

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 co-authored by applicant entitled Progress Report on Semitaconite Beneficiation published in Mining Congress Journal ...

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

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 up-draft sintering process Patent no. Kelly Pneumatic Iron Process American Chemical Society.

Iron Ore Agglomeration Processes and their Historical ...

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.

patent of iron ore process - primaryteachers.in

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.

iron ore ball mill patent - christoartfair.nl

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 .

Iron Ore Sintering: Process - researchgate.net

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 Amine and diamine compounds and their use ...

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 1855.

patent on iron ore processing - mountainboards.co.za

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.

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

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 …

Brazilian company patents innovative dry iron ore ...

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.

patent on iron ore processing - mountainboards.co.za

Schenck Process has been an international expert at iron ore processing. Our applications, ranging from weighing, feeding, screening and automation, are suitable for different kinds of iron ore processing to enhance the iron ore recovery rate.

US3502271A - Iron ore treating process - Google Patents

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 …

Kelly Pneumatic Iron Process - American Chemical Society

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

iron ore patents - spitsid.eu

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 ...

patent of iron ore process - Mineral Processing EPC

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 …

iron fines pelletisation process - YouTube

May 27, 1986· 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.