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Froth Flotation Process Patent 4514292 Patentgenius

Accordingly this invention relates to a froth flotation process for separating metallic minerals from their associated gangue and for beneficiating coal wherein the process is carried out in the presence of a water-soluble depressant composition consisting essentially of, by weight, (a) from about 95% to about 5% of at least one alkali metal or ammonium sulfite or bisulfite and (b) from about 5% to about 95% of.

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  • US Patent for Froth flotation process Patent (Patent

    Accordingly this invention relates to a froth flotation process for separating metallic minerals from their associated gangue and for beneficiating coal wherein the process is carried out in the presence of a water-soluble depressant composition consisting essentially of, by weight, (a) from about 95% to about 5% of at least one alkali metal or ammonium sulfite or bisulfite and (b) from about 5% to about 95% of.

  • US4514292A Froth flotation process Google Patents

    In the process of separating copper and molybdenum minerals from their associated gangue by subjecting an aqueous pulp of porphyry copper ore to a froth flotation process in the pressence of a gangue depressant and recovering the separated minerals as a flotation froth concentrate, the improvement wherein the depressant is a water-soluble composition consisting essentially of, by.

  • Froth flotation process Hercules Incorporated

    Apr 30, 1985 路 In the process of separating copper and molybdenum minerals from their associated gangue by subjecting an aqueous pulp of porphyry copper ore to a froth flotation process in the pressence of a gangue depressant and recovering the separated minerals as a flotation froth concentrate, the improvement wherein the depressant is a water-soluble composition consisting.

  • Charles L. Burdick Inventions Patents and Patent

    Mar 22, 2007 路 Froth flotation process Patent number: 4514292 Abstract: The froth flotation of ore and coal is significantly improved in recovery and grade of valuable minerals and coal when a depressant combination of an inorganic sulfite and the salts of certain sulfonated compounds are employed.

  • Esteralcohol frothers for froth flotation Patent Genius

    Disclosed is an improved process wherein coal particles are beneficiated by froth flotation under coal froth flotation conditions to separate the desired coal particles from remaining unwanted ash and like gangue material. The improvement of the present invention comprises conducting the froth flotation in the presence of an ester-alcohol frothing agent.

  • froth flotation of silicate minerals

    The Process Of Froth Flotation Froth flotation is used in the mineral processing industry to separate hydrophobic value minerals from hydrophilic gangue and is considered to be the most widely used method for ore beneficiation.

  • Detoxification process Patent 4783263 PatentGenius

    Preferably the modifier is added tothe resulting slurry after it reaches the froth flotation cell or counter current decantation equipment. In the simplest version of this process, the resulting slurry is delivered to a single froth flotation cell.

  • Esteralcohol frothers for froth flotation Patent Genius

    Disclosed is an improved process wherein coal particles are beneficiated by froth flotation under coal froth flotation conditions to separate the desired coal particles from.

  • Detoxification process Patent 4783263 PatentGenius

    Preferably the modifier is added tothe resulting slurry after it reaches the froth flotation cell or counter current decantation equipment. In the simplest version of this process, the resulting slurry is delivered to a single froth flotation cell.

  • ilmenite ore beneficiation process flowsheet

    Beneficiation of ilmenite ore - Patent # 4019898 - PatentGenius. Beneficiation of ilmenite ore: Patent Drawings In the process of beneficiating ilmenite ore by.

  • tungsten ore recovery systems

    Scheelite flotation process - Patent # 4488959 - PatentGenius G. Gutierrez and D. A. Elgillani, The Influence of Sodium Silicate in Nonmetallic Flotation Systems , Tr. The first proposal is described in a paper entitled "Mineral processing of bismuth- tungsten ore at Akagane.

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    Zinc finger polypeptides capable of binding DNA quadruplexes - Patent # 6492117 - PatentGenius Such a moiety may be a detectable moiety such as an enzyme or a radioisotope ,.

  • Froth Flotation Process Lime Slurry Ash Crusher USA

    Brevetto EP0113310A2 - Froth flotation of coal - Google Brevetti. 11. In a froth flotation process wherein solid coal particles are selectively separated under coal froth flotation conditions as a froth phase from remaining solid ? Contact us. Froth flotation process - Patent # 4514292 - PatentGenius.

  • Flotation cell and method Patent 5902977 PatentGenius

    The present invention provides a process that employs both non-selective flotation and oxidative leaching of the resulting concentrates to recover an increased amount of copper from porphyry copper ores. The non-selective flotation step uses collectors and conditions, such as pH, that are conducive to the strong flotation of sulfide minerals generally.

  • Phosphate Floatation In Iron Ore

    Flotation Of Iron Ore - ebrainz Phosphate flotation process Patent # 4133750 PatentGenius. In accordance with this invention, there is provided an improved . Online Service. . and mixtures of chemicals in froth flotation with some of the more common flotation reagents . flotation of non-metallic and iron ore . phosphate flotation.

  • Process for the flotation of base metal sulfide minerals

    A process for the beneficiation of base metal sulfide mineral values from base metal sulfide ores with selective rejection of gangue sulfide minerals at pH values of below about 10.0 by froth flotation is disclosed. The process includes the use of a new and improved collector which at pH values below 10.0 exhibits unexpectedly high collector activity for base metal sulfide minerals such as.

  • proffesional separator copper forth flotation equipment

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  • Complete surface active agents. Medical search. FAQ

    ) biologically active; Japanese Patent Application Kokai No. 58-79247 discloses a heat-developable photosensitive material comprising a dye-providing substance which reacts with an oxidant of a reducing agent to release a hydrophilic dye.

  • Coal flotation process

    A process for the flotation of particles of lignitic coal, subbituminous coal or oxidized bituminous coal contained within a slurry of coal and gangue, comprising the steps of dispersing a surfactant throughout the slurry, first conditioning the slurry such that the surfaces of the particles of coal are selectively coated by the surfactant to.

  • Beneficiation Of Ilmenite By Selective Leaching

    Beneficiation of massive ilmenite by froth flotation Beneficiation of massive ilmenite by froth flotation. Int. J. Miner. Process., 17: 131--142. An attempt has been made in this investigation to enrich massive ilmenite ore of Sambalpur by froth flotation. Two approaches were made to this end. Contact Supplier.

  • deinking process ppt

    Mathematical modelling of the flotation deinking process Authors: F. Bloom Department of Mathematical Sciences, Northern Illinois University DeKalb, IL 60015, Get Price Flotation deinking process - Patent # 6544383 - PatentGenius.

  • ilmenite ore beneficiation process flowsheet

    Beneficiation of ilmenite ore - Patent # 4019898 - PatentGenius. Beneficiation of ilmenite ore: Patent Drawings In the process of beneficiating ilmenite ore by.

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  • Methods of ore and compositions for their implementation

    In U.S. patent 4514292; 4309282 and 5171427 described as depressors, and collectors, which can be used in the form of combinations of these substances. In U.S. patent 3827557 described the use of sulfonates as Vice xanthate or dithiophosphate in flotation of copper sulfide ores, and their use together with xanthenes or dithiophosphate.

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