• History of Flotation Patents - Mineral Processing

    2020-6-25  A potent factor in the history of flotation has been the psychology of the persons concerned in the invention, improvement, and application of the process. To understand the scanty and contradictory literature of the subject it is necessary to read between the lines with some knowledge of the personal equations that have rendered the problem so ...

  • Flotation process - Pont DU.

    This invention relates to a froth flotation process and more particularly refers to a process wherein minerals are floated by means of sulfonated hydrocarbons either alone or in admixture with other flotation agents. It is an object of this invention to float minerals by a process which is more efficient than those heretofore employed.

  • US Patent for Froth flotation process Patent (Patent ...

    Froth flotation process . Nov 9, 1983 - Hercules Incorporated. ... This invention relates to the beneficiation of ores and coal by the froth floatation process and more particularly to a froth floatation process which uses a novel depressant for associated gangue and ash-producing constituents.

  • WO2007086003A2 - Flotation process using an

    The invention provides a flotation process which includes the steps of providing a flotation mixture containing mineral values to be recovered and adding an activator to the flotation mixture, which activator may comprise a metal complex formed by a coordinating metal ion and a ligand. A particular aspect of the invention relates to the use of the metal complexes as activators.

  • Flotation process for removal of precipitates from ...

    @article{osti_862691, title = {Flotation process for removal of precipitates from electrochemical chromate reduction unit}, author = {DeMonbrun, James R and Schmitt, Charles R and Williams, Everett H}, abstractNote = {This invention is an improved form of a conventional electrochemical process for removing hexavalent chromium or other metal-ion contaminants from cooling-tower blowdown water.

  • Flotation in times of circular economy and energy ...

    Summary: The invention of flotation about 140 years ago was one of the great achievements of modern processing technology. For many metallic/mineral raw materials, processing without a flotation stage would be unthinkable. This article presents the especially important topics in the field of basic research and technological development of flotation in times of the circular economy and energy ...

  • Flotation process - Commonwealth Industrial Gases

    1999-3-9  Disclosed is a process for the flotation of a mineral concentrate comprising the steps of forming an aqueous slurry of a milled mineral ore containing particles of a desired mineral species and adding a flotation reagent which causes a desired variation in the flotation tendency of the desired mineral species present within the slurry so as to increase the efficiency of separation of that ...

  • Coal Froth Flotation Process - HeNan FUMINE Heavy ...

    Coal Froth Flotation Process. Feeding size: ≤20mm Discharging size: 425-3,250 mesh Working capacity: 30-800kg/h Raw material: non-flammable and non-explosive materials like quartz, feldspar, porcelain clay, bentonite, calcite, talc, barite, fluorite, clay, white mud and gypsum, etc. Get Price List

  • Flotation Recovery Improvement - Process IQ

    Flotation is a complex, multi-variable, interactive process that needs Advanced Process Control tools to effectively stabilise the operation and optimise grade and recovery within the design-related limitations of the plant. The LTM conductivity level measurement provides a very robust solution to the problem of flotation cell pulp level ...

  • US Patent for Flotation and cyanidation process

    background of the invention This invention relates to a method for controlling operating parameters in a precious metal recovery operation involving froth flotation and optionally cyanidation. Froth flotation is widely used for recovering mineral value.

  • US Patent for Froth flotation process Patent (Patent ...

    Froth flotation process . Nov 9, 1983 - Hercules Incorporated. ... This invention relates to the beneficiation of ores and coal by the froth floatation process and more particularly to a froth floatation process which uses a novel depressant for associated gangue and ash-producing constituents.

  • Flotation process for removal of precipitates from ...

    @article{osti_862691, title = {Flotation process for removal of precipitates from electrochemical chromate reduction unit}, author = {DeMonbrun, James R and Schmitt, Charles R and Williams, Everett H}, abstractNote = {This invention is an improved form of a conventional electrochemical process for removing hexavalent chromium or other metal-ion contaminants from cooling-tower blowdown water.

  • Flotation Process - hotelrumtekdzong

    The blast furnace Flotation Process Machine has also entered a new level in my Flotation Process Machine research. The CLF Flotation Process Machine is a relatively important type of Flotation Process Machine inside and outside. This new type of equipment won the fourth prize of invention. At present, the main focus of Flotation Process Machine ...

  • UQ invention set to revolutionalise mineral processing ...

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  • Process of removing sulfur from magnetite

    The aim of the invention is to improve the productivity and selectivity of the flotation process. To solve the problem of magnetite concentrate or magnetite-containing products are crushed, condition of acid, ionic sulfur-containing collector, using as reagent modifier composition, based on isoalantolactone alcohols C 8 -C 10 the General ...

  • Coal Froth Flotation Process - HeNan FUMINE Heavy ...

    Coal Froth Flotation Process. Feeding size: ≤20mm Discharging size: 425-3,250 mesh Working capacity: 30-800kg/h Raw material: non-flammable and non-explosive materials like quartz, feldspar, porcelain clay, bentonite, calcite, talc, barite, fluorite, clay, white mud and gypsum, etc. Get Price List

  • "Flotation Process"

    The Flotation Process Until the invention of the flotation process, the extraction of metal depended upon being able to hand-pick the material in order to be economical. Taking copper as an example, previously, that meant that using low-grade ores - with less than four percent metal content - would not be practical.

  • Flotation machine and process for removing

    @article{osti_870820, title = {Flotation machine and process for removing impurities from coals}, author = {Szymocha, Kazimierz and Ignasiak, Boleslaw and Pawlak, Wanda and Kulik, Conrad and Lebowitz, Howard E}, abstractNote = {The present invention is directed to a type of flotation machine that combines three separate operations in a single unit.

  • The Froth Flotation Process:Past,Present and Future-In ...

    It is not easy to convey, in a few words, the enormous importance of the froth flotation process to the economy of the whole industrial world. It may suffice, for the present article, to quote rough estimates of the quantity of crushed ore which is treated annually by flotation — 2 x 10 9 tonnes — and the proportion of base-metals nowadays ...

  • The Froth Flotation Process:Past,Present and Future-In ...

    It is not easy to convey, in a few words, the enormous importance of the froth flotation process to the economy of the whole industrial world. It may suffice, for the present article, to quote rough estimates of the quantity of crushed ore which is treated annually by flotation — 2 x 10 9 tonnes — and the proportion of base-metals nowadays ...

  • flotation process - Traduction en français - exemples ...

    Traductions en contexte de "flotation process" en anglais-français avec Reverso Context : The present invention is concerned with model-based control of a froth flotation process for concentrating a desired target mineral from ground ore.

  • that the foam flotation process - MC World.INC

    Froth flotation - WikipediaFroth flotation is a process for separating minerals from gangue by taking advantage of differences in their hydrophobicity. Hydropho. Large-scale crushing screening milling plants. Offer efficient, cost-effective services for you. +7(927)687 07 58

  • Trithiocarbonates as depressants in ore flotation ...

    In another aspect of the invention it relates to the use of flotation agents and flotation depressants in the recovery of minerals from their ores. Froth flotation is a process for concentrating minerals from ores. In a froth flotation process, the ore is crushed and wet ground to obtain a pulp.

  • Flotation Principles - Mineral Processing Metallurgy

    2020-6-25  Metallurgical ContentSURFACE TENSIONBULK-OILOIL AND AIRBUBBLESCOAGULATIONFROTH Flotation, in its latest phase, is a process of concentrating ores by frothing. When crushed ore, previously mixed with water and a relatively minute addition of oil, is agitated violently in the presence of air, a froth is formed. This froth, rising to the surface of the liquid mixture,

  • Method of flotation beneficiation of potash ores

    The invention relates to enrichment, in particular to the flotation process, and can be used for processing enterprises of ferrous and nonferrous metallurgy, beneficiation of non-metallic minerals, in the processes of purification of process solutions and waste waters

  • Fluorite Flotation Process - hotminingepc

    The present invention provides a carbonate - fluorite ore economic effective flotation separation method, especially for the high carbonate content of the flotation separation of fluorite ore. The key is to choose the carbonate minerals inhibitors - acidified water glass processing drug measures in the conventional process conditions, carbonate ...

  • Flotation, Differential Sedimentation

    The invention relates to a process for enriching an iron mineral from a silicate containing iron ore by inverse flotation comprising the addition of a collector or collector composition comprising at least one of the compounds of formula...

  • that the foam flotation process

    Foam Prevention In The Reverse Flotation Process For . nbsp 0183 32 This invention provides a new low foam composition comprising an antifoam compound and a quaternary ammonium compound used in a reverse flotation process for purifying calcium carbonate from silicate magnesium impurities The composition of the present invention is able to float ...

  • The Flotation Process Free Essay Example

    The invention of xanthate as flotation collector in 1925 was a significant development for froth flotation (Keller, 1925). Xanthates are known as low-cost, easy-to-produce collectors which usually give good flotation efficiency, which has allowed for their application for almost a century.

  • Method of flotation beneficiation of potash ores

    The invention relates to enrichment, in particular to the flotation process, and can be used for processing enterprises of ferrous and nonferrous metallurgy, beneficiation of non-metallic minerals, in the processes of purification of process solutions and waste waters

  • Fluorite Flotation Process - hotminingepc

    The present invention provides a carbonate - fluorite ore economic effective flotation separation method, especially for the high carbonate content of the flotation separation of fluorite ore. The key is to choose the carbonate minerals inhibitors - acidified water glass processing drug measures in the conventional process conditions, carbonate ...

  • Flotation, Differential Sedimentation

    The invention relates to a process for enriching an iron mineral from a silicate containing iron ore by inverse flotation comprising the addition of a collector or collector composition comprising at least one of the compounds of formula...

  • that the foam flotation process

    Foam Prevention In The Reverse Flotation Process For . nbsp 0183 32 This invention provides a new low foam composition comprising an antifoam compound and a quaternary ammonium compound used in a reverse flotation process for purifying calcium carbonate from silicate magnesium impurities The composition of the present invention is able to float ...

  • The Flotation Process Free Essay Example

    The invention of xanthate as flotation collector in 1925 was a significant development for froth flotation (Keller, 1925). Xanthates are known as low-cost, easy-to-produce collectors which usually give good flotation efficiency, which has allowed for their application for almost a century.

  • The Process Of Coal Flotation - dobermannsa.co.za

    The flotation process would be intensified by the adjustment of energy input and distribution in the two-stage flotation process. Higher combustible matter recovery could be obtained with the two-stage flotation process than the single-stage flotation process. 3.3. Effect of the two-stage flotation process on fine coal flotation. Get Price

  • 016-IMA 2018 - Anionic-Cationic Process for Silica Sand ...

    2018-4-15  flotation process for beneficiating glass sand and foundry sand deposits. The flotation feed is relatively lower grade flotation feed prepared by conventional washing and sizing method. The methods of the present invention includes steps of: (a) Conditioning the flotation feed at

  • Forth Flotation Process Ore Dressing

    Forth Flotation Process Ore Dressing. FOB Reference Price: Get Latest Price Ore dressing flotation machine,also named flotation cell, is widely used for the separation of copper ore,lead ore, zinc ore, etc read more more details flotation separation of scheelite from flotation

  • grinding copper ore process in australia

    the process of grinding the ore - newstonightcoza. The present invention discloses an advantageous and effective process for the concentration of iron ores, which can be fully dry or mixed, part of the process being dry, part wet, such enhancing the process efficiency as a Copper Ore Grinding Process In Australia The beginning for all copper is to

  • Flotation Process Of Chromite Ore - Flotation Machine

    The forth flotation chromite ore recovery process of the present invention can be employed for the recovery of chromium values from any grade of chromite bearing ore however the method of the invention is particularly useful in recovering chromite from such lowgrade chromite ore as those found in the stillwater complex in montana usaget price ...