flotation of cassiterite with modified fatty acids

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  • PROCESSING OF TUNGSTEN BEARING ORES

    and flotation is used The problem in processing alkali earth metal minerals or the so called salt type minerals is to selectively concentrate the mineral and to depress gangue minerals which have a very similar flotation behaviour as the mineral itself The main collectors used in the flotation of alkali earth minerals are fatty acids...

  • US3469693A

    US3469693A US773310A US77331068A US3469693A US 3469693 A US3469693 A US 3469693A US 773310 A US773310 A US 773310A US 77331068 A US77331068 A US 77331068A US 3469693 A US3469693 A US 3469693A Authority US United States Prior art keywords flotation ores collector cassiterite collectors Prior art date 1966-02-23 Legal status (The legal status is an assumption and is ,...

  • Axis House

    This broadened the company's oxide flotation offering of sulphidisation reagents (and their successful application); modified fatty acids and amines (Rinkalore range) to also include the Ausmelt range of hydroxamate oxide collectors This move enabled Axis House to provide a full range of oxide flotation ,...

  • Polyester polyquaternary ammonium compound ,

    Dec 15, 2014· The present invention relates to a compound obtainable by the condensation of a polyol having 3-4 hydroxyl groups, adicarboxylic acid or a derivative thereof, an alkanolamine and a fatty acid, followed by reaction with an alkylating agent This compound is useful as a collector in a process for the reverse froth flotation of non-sulfidic ores containing silicate as impurities, especially ....

  • Froth flotation

    Froth flotation is a process for selectively separating hydrophobic materials from hydrophilicThis is used in mineral processing, paper recycling and waste-water treatment industri Historically this was first used in the mining industry, where it was one of the great enabling technologies of the 20th century...

  • Development and Use of Certain Flotation Reagents

    From Forward: "When the experiments described in this bulletin were begun many of the reagents were available only in trial quantiti Some of them are now available in commercial quantities and are of different compositions from those that were available for experimental work It was not possible to determine the exact chemical composition of some of the reagents"...

  • The Effect of New Modified Fatty Acid (CY

    The flotation separation on chlorite and hematite with the new modified fatty acid collector CY-23 was studied The investigation included both flotation and reagent adsorption tests And all the characteristics of chlorite surface before and after the adsorption of new collector CY-23 have been studied with X-ray photoelectron spectroscopy (XPS)...

  • Process of tin flotation

    Sep 12, 1978· 4 The tin flotation process as defined in claim 1, wherein sulfurous acid is used in said flotation 5 The tin flotation process as defined in claim 1, wherein sulfurous acid is used in said flotation in a quantity corresponding to from 5 to 2000 grams of SO 2 per ton of initial mineral feed 6...

  • Cassiterite Flotation

    It is necessary for the pH of the flotation pulp to be at the correct value and held relatively constant, for maximum selectivity and recovery Cassiterite flotation is nearly always performed in an acid environment, the exact value depending on the ore source and collector to be used Sulphuric acid is used for pH adjustment in most cas...

  • Flotation reagent suppliers

    Other reagents have been developed for the depression of calcite during fluorspar and apatite flotation using fatty acid-based collectors and for carbon depression from gold-bearing or The company represents, in southern Africa, several major international chemical manufacturers...

  • Zircon Mining Process | Equipment | Flow | Cases

    Oxalic acid is also used to adjust the pulp to acid and flotation with amine collectors Electrostatic separation: The conductive minerals, such as ilmenite, hematite, chromite, cassiterite and rutile, are separated from the non-conductive minerals such as zircon, monazite, garnet and apatite by using the difference of conductivity of minerals...

  • 4853113 Froth Flotation of bastnaesite

    New Patents wherein the step of preheating the fine-grained iron ore results in decomposition of at least part of the carbon monoxide contained in the used reducing gas, producing a carbon layer on the preheated fine-grained iron ore, and also producing an exhaust gas and additional heat...

  • US4687571A

    A process for the separation of phosphate minerals from a phosphate-carbonate ore, by flotation, wherein a phenol polymer such as a resol or a novolak, which improves the yield and selectivity of the phosphate minerals with respect to the carbonate minerals, is used in addition to a collector agent in the flotation...

  • Fatty Acids Used For Iron Ore Flotation

    Modified Fatty Acids Molecular Modeling and Docking Fatty acids are known as oxhydryl collectors which are used in practice for nonsulfide ore flotation However the selectivity of these collectors is low towards to gangue minerals occurring in the ore...

  • Flotation Frothers

    ores containing clay minerals They are also used as additives to tall oil fatty acid in fatty acid flotation to improve froth stability [7] The major problem in the use of natural oils and cyclic alcohol frothers derived from natural sources is that their composition is not always constant, and consequently frothing properties are variable...