separation iron patent

  • USA Separation of iron from titaniferous iron

    USA Separation of iron from titaniferous iron ores Google Patents Separation of iron from titaniferous iron ores Download PDF Info Publication number USA USA USA USA USA US A US A US A US A US A US A US A US A US A US A US A USUSA Process for separating iron from aluminum Google Patents Process for separating iron from aluminum Download PDF Info Publication number USA USA USDA USA US A US A US A US D A USD A US DA US A US A US A Authority US United States Prior artUSA Process for separating iron Google PatentsSeparation of iron from cobalt and nickel is obtained The invention provides a process for the leaching of a laterite ore, concentrate, tailings or waste rock for the recovery of value metals, at least one value metal being nickel The laterite ore or concentrate is subjected to a leaching step with a lixiviant comprising hydrochloric acid to leach nickel from the laterite ore, followed by aUSA1 Separation of iron from Google Patents

  • USB2 Process for the separation of iron in

    Process for the separation of iron in extraction of titanium in mixed chloride media Download PDF Info Publication number USB2 Priority to US14/649,904 priority patent/USB2/en Priority to PCT/CA2013/ priority patent/WOA1/en Publication of USA1 publication Critical patentIron impurities may be removed from volumes of molten aluminum or magnesium metals or alloys by applying a static magnetic field gradient to each of the molten metal volumes, or melts The magnetic field gradient is applied to each of the melts so that separatephase iron impurities suspended therein will move in the direction of the applied magnetic field and become concentrated in aUSB2 Magnetic separation of iron Google PatentsUnited States Patent 3,000,727 SEPARATION OF IRON IMPURITY FROM COBALTBEARING SOLUTIONS Raphael F Maison, New Orleans, La, assignor to Freeport Sulphur Company, New York, NY, a corporation of Delaware No Drawing Cited by: 3 USB2 A method for the separation of titanium, and for production of titanium metal, from titaniumbearing ore that involves a reducedseparation iron patent fotografienellekebreemsnl

  • US Patent Application for Process for the separation of

    Process for the separation of iron in extraction of titanium in mixed chloride media Aug 7, 2018 A process for leaching a value metal from a titaniferous ore material comprising the step of leaching the ore material at atmospheric pressure with a lixiviant comprising magnesium chloride and hydrochloric acid is disclosed Iron and titanium are leached into solution Iron in the ferric stateThe roller screen is designed for the classification of readily destructive granules and material prone to sticking in the metallurgical, chemical and other industries The roller screen contains a dividing surface of the rollers assembled in the section, the gap between the rollers in each subsequent downstream section is 1113 times larger than the previous one, and the length of eachSUA1 Roller screen for separation of iron oreUSA Separation process for actinium Google Patents Separation process for actinium Download PDF Info Publication number USA USA US29078A USA USA US A US A US A US 29078 A US29078 A US 29078A US A US A US A US A US A US A Authority USUSA Separation process for actinium Google Patents

  • US Patent Application for Process for the separation of

    Process for the separation of iron in extraction of titanium in mixed chloride media Aug 7, 2018 A process for leaching a value metal from a titaniferous ore material comprising the step of leaching the ore material at atmospheric pressure with a lixiviant comprising magnesium chloride and hydrochloric acid is disclosed Iron and titanium are leached into solution Iron in the ferricA method of separating and recovering iron from a waste nonferrous slag, discharged from a process for smelting of nonferrous metals, including copper, zinc and lead, by physical and chemical separation, the method comprising the steps of: (a) crushing the waste nonferrous slag; (b) mixing the waste nonferrous slag, crushed in step (a), with carbon as a reducingMETHOD OF SEPARATING AND RECOVERING IRON FROM WASTE29/11/2013· Justia Patents Treating With Sulfur Or Halogen Containing Acid US Patent for Process for the separation of iron in extraction of titanium in mixed chloride media Patent (Patent # 10,041,141) Process for the separation of iron in extraction of titanium in mixed chloride media Nov 29, 2013 Process Research Ortech Inc A process for leaching a valueUS Patent for Process for the separation of iron in

  • Gravity separation method using iron powder Kyusyumetal

    30/07/1990· A gravity separation method using an iron composition powder comprising mixing and suspending said iron composition powder composed of fine particles having a size of 40 microns or less in water to form a liquid suspension having specific gravity within the range of 26 to 35, and pouring non ferrous metals or ores into said specific gravity liquid suspension so asUnited States Patent These ore bodies require fine grinding in order to separate selectively the iron units Such ores do not respond easily to beneficiation by conventional methods such as flotation, gravitation, and magnetic separation, etc, owing to the fine state of subdivision required for physical release of all constituents Although it is possible to decreasePROCESS FOR SEPARATION OF SILICEOUS AND PHOSPHATICThe present invention discloses a method for aluminumenhanced dealkalization of red mud and separation and recovery of aluminum and iron The method includes: dissolving red mud in water, introducing excessive SO2, introducing O2 for aeration, and refluxing part of alkaline leachate after filtering; when pH of a red mud mixture decreases to below 3, washing andUS Patent Application for METHOD FOR ALUMINUMENHANCED

  • US Patent for Processes for the selective separation of

    This disclosure relates to a process for selectively extracting Fe(III) ions from an aqueous feedstock containing Fe(III) ions and nonferric ions The process comprises contacting the feedstock with an organic phase comprising a phosphonium salt or ammonium salt ionic liquid under liquidliquid extraction conditions for a time sufficient to allow transfer of at least some of15/01/2019· After smelting separation, the iron melt and Mnrich slag are achieved The produced Mnrich slag has a 2012a A sealed cooling and conveying system for manganese monoxide from the reduction of manganese dioxide Patent No ZL45 (in Chinese) Google Scholar Liu, 2012b Liu, JG, 2012b A discharging device for the reduction ofExtraction and separation of manganese and iron fromMixed lixiviant for separate recovery of zinc and lead from ironcontaining waste materials United States Patent Abstract: A process is disclosed for the hydrometallurgical treatment of finely divided ironcontaining steel plant dusts containing zinc, lead and such other metal values as calcium, manganese, silicon, magnesium, aluminum, cadmium, copper, andMixed lixiviant for separate recovery of zinc and lead

  • Issue Dates and Patent Numbers Since 1836

    Plant patents are issued under a separate series of numbers which begin with the characters "PP" (eg, "PP03037") 4) Reissue Patents Reissue patents are issued to correct a previously issued patent Reissue patents are issued under a separate series of numbers which begin with the characters "RE" Note that reissue Design patents are issued under the same series ofEuropean Patent Office EPO Search worldwide, lifesciences literature Search Advanced Search Eg "breast cancer" HER2 Smith J Recent Activity Export List Clipboard Export SELECTIVE SEPARATION OF IRON BY TREATMENT WITH AN IONEXCHANGING RESIN COMPRISING DIPHOSPHONIC ACID GROUPS (PAT WO) GOTTELAND PATRICE, LOGETTE SEBASTIEN RHODIA FIBER AND RESIN INTERMEDIATES, PatentSELECTIVE SEPARATION OF IRON BY TREATMENT WITH AN ION08/06/2000· selective separation of iron by treatment with an ionexchanging resin comprising diphosphonic acid groups (pat ep)SELECTIVE SEPARATION OF IRON BY TREATMENT WITH AN ION

  • SELECTIVE SEPARATION OF IRON BY TREATMENT WITH ION

    08/06/2000· FIELD: selective separation of iron from other ions contained in some oxidizing catalysts SUBSTANCE: proposed method is used for repeated use of catalysts in oxidation reaction of alcohols and/or ketones to carboxylic acids and oxidation of cyclic alcohols and cyclic ketones to dicarboxylic acids, for example, oxidation of cyclohexanol and/or cyclohexanone to adipic acidUnited States Patent These ore bodies require fine grinding in order to separate selectively the iron units Such ores do not respond easily to beneficiation by conventional methods such as flotation, gravitation, and magnetic separation, etc, owing to the fine state of subdivision required for physical release of all constituents Although it is possible to decrease thePROCESS FOR SEPARATION OF SILICEOUS AND PHOSPHATIC30/07/1990· A gravity separation method using an iron composition powder comprising mixing and suspending said iron composition powder composed of fine particles having a size of 40 microns or less in water to form a liquid suspension having specific gravity within the range of 26 to 35, and pouring non ferrous metals or ores into said specific gravity liquid suspension so as to subject said nonferrousGravity separation method using iron powder Kyusyumetal

  • US Patent for Processes for the selective separation of

    This disclosure relates to a process for selectively extracting Fe(III) ions from an aqueous feedstock containing Fe(III) ions and nonferric ions The process comprises contacting the feedstock with an organic phase comprising a phosphonium salt or ammonium salt ionic liquid under liquidliquid extraction conditions for a time sufficient to allow transfer of at least some of the Fe(III) ionsThe present invention discloses a method for aluminumenhanced dealkalization of red mud and separation and recovery of aluminum and iron The method includes: dissolving red mud in water, introducing excessive SO2, introducing O2 for aeration, and refluxing part of alkaline leachate after filtering; when pH of a red mud mixture decreases to below 3, washing and filtering the red mudUS Patent Application for METHOD FOR ALUMINUMENHANCEDMixed lixiviant for separate recovery of zinc and lead from ironcontaining waste materials United States Patent Abstract: A process is disclosed for the hydrometallurgical treatment of finely divided ironcontaining steel plant dusts containing zinc, lead and such other metal values as calcium, manganese, silicon, magnesium, aluminum, cadmium, copper, and the like The process isMixed lixiviant for separate recovery of zinc and lead

  • Find early British patents The British Library

    Before the reforms of the mid nineteenth century separate patent systems were in place for Scotland and Ireland Original records relating to Scottish patents are held by the National Records of Scotland in Edinburgh Original records relating to Irish patents have not survived but some records held by the National Archives contain references to Irish patents Although printed copies of these05/06/2014· A centrifuge was the first device to separate chemical isotopes, used by Jesse Beams of the University of Virginia to separate chlorine35 from chlorine37 in 1934 In 1940, American physicists thought that the centrifuge was the best possibility for largescale enrichment, and Beams received government money to attempt uranium enrichment via centrifuge Centrifugal force in a cylinderIsotope Separation Methods | Atomic Heritage Foundation

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