titaniferous ore beneficiating

titaniferous ore beneficiating

US7494631B2 - Titaniferous ore beneficiation - Google Patents

This invention relates to a process for beneficiating a titaniferous ore. The process comprises calcining the titaniferous ore, at least one alkali or alkaline earth metal salt, and at least one alumina-containing material in the presence of oxygen to form a calcined ore mixture, then leaching the calcined ore mixture with a solution comprising ammonium, sodium or magnesium chloride in the ...

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US3825419A - Beneficiation of titaniferous ores - Google ...

during the beneficiation of titaniferous iron ores by leaching thereof in a vessel with about 20% liquid hydrochloric acid, the required heat is supplied by introducing about 20% hydrochloric acid vapor into the vessel as the sole heat exchange medium.

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US3699206A - Process for beneficiation of titaniferous ...

Process for beneficiating titaniferous ores to produce essentially pure titanium dioxide comprising alternatingly contacting the ore in a gas-solids reactor with carbon monoxide for a short period of time and then with chlorine for a short period of time and then repeating the alternate carbonylation and chlorination steps at temperatures of 700 to 1,150* C. under fluidizing conditions ...

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US3865920A - Process for beneficiating a titaniferous ore ...

Chlorine and iron oxide are produced by the oxidation of iron chlorides and mixtures thereof, produced in the chloride process for beneficiating titaniferous ores, by injecting oxygen in the gas space above the fluidized bed. This void contains iron chloride when the ore is being beneficiated at a temperature of about 1,250* to 1,380* K.

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US2154130A - Beneficiating titaniferous ores - Google Patents

Beneficiating titaniferous ores Download PDF Info ... Prior art keywords ore sulfuric acid mixture reaction percent Prior art date 1937-08-03 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

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EP1941067B1 - Titaniferous ore beneficiation - Google Patents

EP1941067B1 EP06814428A EP06814428A EP1941067B1 EP 1941067 B1 EP1941067 B1 EP 1941067B1 EP 06814428 A EP06814428 A EP 06814428A EP 06814428 A EP06814428 A EP ...

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US3597189A - Process for the beneficiation of titaniferous ...

process for the beneficiation of titaniferous ores wherein the natural ore is oxidized to convert substantially all of the iron values present to the ferric state and the oxidized ore is then deoxidized to convert substantially all of the iron values therin to the ferrous state and the product in which substantially all of the iron values therein are in the ferrous state containing not more ...

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Process for the beneficiation of titaniferous ores - The ...

I claim: 1. A process for the beneficiation of titaniferous ores including mixing the ore with an insoluble source of fluoride ions which source becomes soluble under the following conditions of the process, the fluoride concentration relative to the titania values in the ore lying between 13% and 50% by weight and heating the mixture with dilute hydrochloric acid at a temperature not more ...

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Process for the beneficiation of titaniferous ores - The ...

I claim: 1. A process for the beneficiation of titaniferous ores including mixing the ore with an insoluble source of fluoride ions which source becomes soluble under the following conditions of the process, the fluoride concentration relative to the titania values in the ore lying between 13% and 50% by weight and heating the mixture with dilute hydrochloric acid at a temperature not more ...

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PROCESS FOR THE BENEFICIATION OF TITANIFEROUS ORES ...

We claim 1. A process for beneficiating titaniferous ores utilizing a hot wall continuous plasma jet reactor adapted for the production of at least a 90 percent TiO 2 material having in combination a vertically positioned, elongated, water-cooled casing having an upper hot wall reactor zone, a middle reactor base zone, and a lower cool wall zone, said upper hot wall reactor zone having means ...

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process flow sheet for beneficiation of titaniferous ...

Oct 29, 2012  iron ore process flow magnetite – Coal processing system . A process for upgrading low-grade magnetite -containing iron ore, flow sheet of the beneficiation process. and vanadium-bearing slag by using a titaniferous magnetite . » More detailed.

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Molten salt electrolytic beneficiation of iron oxide ...

14. The process of claim 1 where the TiO 2 component of the ore is dissolved in the molten salt, and later reprecipitated. 15. A process of beneficiating titaniferous material containing iron oxide, the process comprising: a--adding and mixing continuously titaniferous material to a recirculating stream of molten salt or mixtures thereof in a ...

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titaniferous magnetite Mining

titaniferous magnetite mining . mining cost for mining magnetite ore in south africa Why we use hematite over magnetite as iron India has huge quantity of haematite while less magnetite Check the reserves of other iron ore rich nations/zones like Brazil Australia south Africa etc Even if the price is the same transportation from the mine to the steel mill often costs

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tio2 seperation from ore - BINQ Mining

Beneficiation of titaniferrous iron ore sample – [email protected]. The ore deposit as a whole assayed Fe (T) 47–52%, FeO 8–9%, TiO2 14–15%, beneficiation studies of gravity cum magnetic separation indicated that no »More detailed

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Processing titaniferous ore to titanium dioxide pigment ...

Process for beneficiating titaniferous ores: 1983-06-21: Dunn, Jr. 4384883: Reduction of ferrotitaniferous materials: 1983-05-24: Fensom: 4359449: Process for making titanium oxide from titanium ore: 1982-11-16: Hard et al. 4321236: Process for beneficiating titaniferous materials: 1982-03-23: Stambaugh et al. 423/82: 4313913: Production of ...

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beneficiation of ilmenite by selective leaching

Titaniferous ore beneficiation - Patent application. A leaching solution comprising ammonium chloride is especially preferred. The ... Beneficiation of Ilmenite Ore from Australia [0036]Ilmenite ore ...

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Wendell E. Dunn Jr. - Wikipedia

3,865,920 Process for beneficiating a titaniferous ore and production of chlorine and iron oxide Filed: March 14, 1973 3,729,543 Process for preparing alkali-metal tetra-chloroferrate Filed: January 21, 1971 3,724,171 Annular flow condenser Filed: April 29, 1971 3,713,781 Cross-flow fluid bed reactor Filed: October 21, 1970

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Abhishek Lahiri – Senior Scientist – Clausthal University ...

Titaniferous ore beneficiation by calcining with an alkali earth metal salt. Großbritannien WO 2008118527. This invention relates to a process for beneficiating a titaniferous ore. The process ...

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titaniferous magnetite ore processing plant in south ...

titaniferous magnetite mining South Africa, magnetite beneficiation equipment in south africa. mining cost for mining magnetite ore in south africa. magnetite mines in south africadeniseohlson. magnetite mining south africa. gold mining in south africa gold investing news aug 30 2010 gold and diamond discoveries played an important part in the growth of the early republic of south africa and ...

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Refractory ore beneficiation - ALLAN; BENJAMIN W.

12. The method of claim 6 wherein the ore is a titaniferous ore which includes a substantial amount of iron and the electrolytic cell is operated so as to permit the iron to plate out as metallic iron at the cathode. 13. A method of producing synthetic rutile from ilmenite ore which comprises:

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Utilizing Titanium Sulfate As Reactant Patents and Patent ...

Mar 20, 2014  Beneficiation of titaniferous ore with sulfuric acid. Patent number: 7008602 Abstract: Processes for the efficient and economical beneficiation of titaniferous ore are provided. A unique process for beneficiating ore comprising pretreatment of the ore by oxidation and reduction, followed by acid leaching with sulfuric acid has been developed.

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Wendell E. Dunn, Jr. Inventions, Patents and Patent ...

Abstract: A process for the recovery of precious metal values as essentially pure gold from gold alloys in the form of thin strips 0.05 to 0.25 inch thick having a gold content of up to 80% gold comprising chlorinating the strips at a temperature of 300 to 700 degrees Centigrade to form a metallic gold/metal chloride mixture and removing the metal chlorides from the gold in the mixture using ...

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Process for beneficiating a titaniferous ore and ...

Complete Patent Searching Database and Patent Data Analytics Services.

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titaniferous ore wo a

622 EP titaniferous ore beneficiation origin: this invention relates to a process for beneficiating a titaniferous ore. the process comprises calcining the titaniferous ore, at least one alkali or alkaline earth metal salt, and at least one alumina-containing material in the presence of oxygen to form a calcined ore mixture, then leaching

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Smelting titaniferous ores SpringerLink

Dec 07, 2017  An old problem reexamined: high titanium ores are here shown to be amenable to modern beneficiation and blast furnace techniques. An old problem reexamined: high titanium ores are here shown to be amenable to modern beneficiation and blast furnace techniques. ... A. Stansfield: Electric Smelting of Titaniferous Ores. Canadian Mining Journal ...

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Upgrading Metals Via Direct Reduction from Poly-metallic ...

Pre-reduction is the thermo-chemical beneficiation process which is very useful technique for upgradation of metal values from complex low grade ore. The isothermal reduction behaviour of eastern Indian titaniferous magnetite lump ore without pre-treatment, pre-treated and ore-coke composite briquettes has been investigated in the present study. During pre-reduction of lump ore at 1473 K ...

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Mineralogy and carbothermal reduction behaviour of ...

Vanadium-bearing titaniferous magnetite bands hosted by Precambrian gabbro-norite-anorthositic rocks or their metamorphic equivalents were discovered in some parts of Eastern Indian Shield, containing 48%-49% Fe (total), 10%-25% TiO 2 , and 0.3%-2.20% V 2 O 5 by mass. Mineralogical and petrological study, composition, and characterization of the vanadium-bearing titaniferous magnetite ore were ...

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Mineralogy and carbothermal reduction behaviour of ...

Oct 17, 2013  Vanadium-bearing titaniferous magnetite bands hosted by Precambrian gabbro-norite-anorthositic rocks or their metamorphic equivalents were discovered in some parts of Eastern Indian Shield, containing 48%–49% Fe (total), 10%–25% TiO2, and 0.3%–2.20% V2O5 by mass. Mineralogical and petrological study, composition, and characterization of the vanadium-bearing titaniferous magnetite ore ...

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vanadium ore beneficiation equipment manufacturer

vanadium ore beneficiation plant manufacturer,talk . vanadium ore beneficiation plant price. vanadium ore beneficiation plant price. There are forty years of manufacturing history, with three major production bases,over 160 senior RD engineers and 600+ large and medium-sized digital processing equipment, The first-line technicians and professional after-sales service personnel up to 2,300+ and ...

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Abhishek Lahiri – Senior Scientist – Clausthal University ...

Titaniferous ore beneficiation by calcining with an alkali earth metal salt. Großbritannien WO 2008118527. This invention relates to a process for beneficiating a titaniferous ore. The process ...

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Ore beneficiation in French - English-French Dictionary

Example sentences with "ore beneficiation", translation memory. add example. en Titaniferous ore beneficiation. patents-wipo. fr Enrichissement d'un minerai titanifère. en Any observed environmental effects must also be reported, especially effects on wildlife and/ or beneficial organisms. ...

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beneficiating - Traduction en français - exemples anglais ...

process for beneficiating titanium bearing ore selected from the group consisting essentially of titaniferous ores, leucoxene, rutile, perovskite, and sphene comprising procédé d' enrichissement d'un minerai contenant du titane, choisi à partir du groupe essentiellement composé de minerais titanifères, de leucoxène, de rutile, de ...

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tio2 seperation from ore - BINQ Mining

Beneficiation of titaniferrous iron ore sample – [email protected]. The ore deposit as a whole assayed Fe (T) 47–52%, FeO 8–9%, TiO2 14–15%, beneficiation studies of gravity cum magnetic separation indicated that no »More detailed

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NAICS Code 212299 – All Other Metal Ore Mining - Class Codes

Apr 17, 2016  NAICS Code 212299 – All Other Metal Ore Mining. Definition of NAICS Code 212299: This U.S. industry comprises establishments primarily engaged in developing the mine site, mining, and/or beneficiating (i.e., preparing) metal ores (except iron and manganiferous ores valued for their iron content, gold ore, silver ore, copper, nickel, lead, zinc, and uranium-radium-vanadium ore).

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NAICS 212299 - All Other Metal Ore Mining

NAICS 212291 - Uranium-Radium-Vanadium Ore Mining NAICS 212299 - All Other Metal Ore Mining. This U.S. industry comprises establishments primarily engaged in developing the mine site, mining, and/or beneficiating (i.e., preparing) metal ores (except iron and manganiferous ores valued for their iron content, gold ore, silver ore, copper, nickel ...

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beneficiation - Traduction en français - exemples anglais ...

Processes for the efficient and economical beneficiation of titaniferous ore are provided. La présente invention concerne des procédés d'enrichissement efficaces et économiques d'un minerai tétanifère. beneficiation of titania slag by oxidation and reduction treatment.

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