Flotation Process Invention

  • The Flotation Process - Today In Sci

    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 - …

  • US Patent for Flotation process Patent (Patent # 5,074,993 ...

    In its broadest aspect, the present invention contemplates a process or method of flotation of at least one non-ferrous metal-containing mineral (as defined hereinbefore) in the presence of Px which comprises treating a ground mineral mixture as a pulp in an aqueous alkaline continuum with a polyamine preponderantly non-heterocyclic in nature ...

  • Column Flotation • Theory and Practice - [email protected]

    Column Flotation • Theory and Practice S.R.S. SASTR I Regional Research Laboratory, Bhubaneswar - 751 013 ... Early developments in column flotation Year Activity 1962 Invention of flotation column. 1963-67 ... down the process water containing gangue mineral from going with the product and ii) washing down the ...

  • Who invented the egg flotation - answers.com

    Froth flotation is a process for selectively separating hydrophobic materials from hydrophobic. This is used in several processing industries. ... Johnson's invention reawakened the interest in ...

  • froth flotation translation French | English-French ...

    Ultimately, operational efficiency of a froth flotation plant is increased. En fin de compte, le rendement d'exploitation d'une installation de flottation par mousse est accru. The present invention is concerned with model-based control of a froth flotation process for concentrating a …

  • COPPER Copper production - TU Delft

    process at a concentrator. In the first flotation stage, as much copper as possible is recovered in a rougher concentrate so that as little as possible goes to the tailings. To increase the copper recovery rate, often these tailings are leached with sulfuric acid. After regrinding, the rough concentrate is -2 of 11-

  • who invented the cone flotation process

    who invented the cone flotation process; who invented the cone flotation process. who invented the cone flotation process. ... New invention mining equipment Graphite stone crusher. Chat Online. Drum washing machine ,sand washing machine ,stone washing ... Seat of the machine is made of channel steel material,. 5. Body is armor plated ...

  • Process for coal beneficiation by froth flotation ...

    In accordance with the present invention, the beneficiation of solid carbonaceous matter, such as coal, by froth flotation is improved by pre-conditioning the wash water to be used in the flotation process with an organic monocarboxylic acid to remove cations which are present in the water which act to reduce the overall efficiency of the flotation process.

  • AU611059B2 - Flotation process - Google Patents

    Spruson Ferguson, Patent Attorneys Level 33 St Martins Tower, 31 Market Street Sydney, New South Wales, 2000, Australia t 3 Complete Specification for the invention entitled: Flotation Process The following statement is a full description of this invention, including the best method of performing it known to me/us 5845/3 I- PC.-3140A FLOTATION ...

  • Process of removing sulfur from magnetite concentrates via ...

    The invention relates to the beneficiation of minerals and can be used when cleaning magnetite concentrates from sulphur. There is a method of finishing of fine-grained magnetite concentrate (Cline W.A., Rene Rosas .How Marcona floats iron sulphides from magnetite pellet feed concentrate // …

  • Who invented the flotation process - answers.com

    Froth flotation is a process for selectively separating hydrophobic materials from hydrophobic. ... \nThe requirements to obtain patent protection of an invention, are that your invention must be ...

  • Gold Mining Process Development – Denver Mineral Engineers

    FLOTATION. The flotation process consists of producing a mineral concentrate through the use of chemical conditioning agents followed by intense agitation and air sparging of the agitated ore slurry to produce a mineral rich foam concentrate. The process is …

  • US5876558A - Froth flotation deinking process for paper ...

    The present invention provides a froth flotation process for the separation of paper and wood fibers from printed and copying inks and other contaminants during the recycling of paper. A liquid solution containing a frothing agent is applied from the top of a froth flotation device, preferably in the form of a spray, to the upper surface or portion of an aqueous pulp slurry present in the ...

  • Flotation process - Commonwealth Industrial Gases Limited

    Mar 09, 1999· 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 ...

  • Deinking - Wikipedia

    Deinking is the industrial process of removing printing ink from paperfibers of recycled paper to make deinked pulp. The key in the deinking process is the ability to detach ink from the fibers. This is achieved by a combination of mechanical action and chemical means. In Europe the most common process is froth flotation deinking.

  • Froth Flotation Process - Mineral Processing & Metallurgy

    FROTH FLOTATION “So many variables influence flotation that it will be long before every one of them can be investigated and its influence on the process determined.” The froth flotation process was patented by E. L.Sulman, H. F. K. Pickard, and John Ballot in 1906, 19 years after the first cyanide process patents of MacArthur and the Forests.

  • History of Flotation | Request PDF

    Flotation was the process that transformed the non-ferrous mining industry and the industries and economies of the world. It was an improbable process; nobody could have imagined 100 years ago ...

  • adaptive control system of iron ore flotation process ...

    Jan 29, 2013· Iron Ore Flotation Process And … mutually beneficial over the flotation process. … why they want to control the amount of … »More detailed. Ore flotation – Art and Aviation Art by Caroline Marshall. The ore flotation process of the present invention involves …

  • Flotation process - BONNEVILLE LTD - Free Patents Online

    This invention relates to the froth flotation of ores and salt mixtures containing potassium and sodium chlorides. The invention provides a new flotation process by which potassium chloride may be advantageously separated from such ores or salt mixtures by the use of new flotation agents.

  • Flotation machine and process for removing impurities from ...

    Flotation machine and process for removing impurities from coals. Full Record; Other Related Research; The present invention is directed to a type of flotation machine that combines three separate operations in a single unit. The flotation machine is a hydraulic separator that is capable of reducing the pyrite and other mineral matter content ...

  • US2163702A - Flotation process - Google Patents

    This invention relates to the froth flotation concentration of oxide ore minerals, and more particularly to the use of stable aqueous colloidal dispersions, or emulsions, of mixtures of fatty acids and mineral oils as collecting reagents.

  • Fluorite Flotation Process,Fluorite Flotation Separation,

    Fluorite flotation process is applied for refractory fluorite with complicated properties such as high mud content, impurity containing, fine particle distribution etc. Our fluorite flotation process has many advantages including automatic controlling, high efficiency, safety, fast and low energy consumption. Process Description

  • DOepatents Flotation process for removal of precipitates ...

    Flotation process for removal of precipitates from electrochemical chromate reduction unit ... The present invention is directed to a type of flotation machine that combines three separate operations in a single unit. The flotation machine is a hydraulic separator that is capable of reducing the pyrite and other mineral matter content of a coal.

  • COLUMN FLOTATION MODELLING AND TECHNOLOGY

    study of the process simpler than that for a bank of mechanical cells, where the froth characteristics change from cell to cell. Industrial flotation columns are square or circular, typically 0.5-3m in diameter or side, and 12-15m height. Since their invention, square columns have been marketed

  • 60 Centuries of Copper: The Flotation Process

    The Flotation Process. Until quite recently copper ore had to be hand-picked if the extraction of the metal was to be economical. In fact, in the last century, ores of 4 …

  • flotation process of cooper and molibden - biosante.be

    US7360656B2 - Method to improve the cleaner froth , The present invention provides a method to improve the cleaner froth flotation process for the selective separation of ore values including, for example, copper, zinc, molybdenum, iron and mixtures there of, in existing flotation plants comprising the step of adding one or more acrylic acid polymers and copolymers to the cleaner froth flotation .

  • A fine future - Flotation in times of circular economy and ...

    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 ...

  • History of Flotation Patents - Mineral Processing & Metallurgy

    This is the part of the subject of which we have heard the most; indeed, until recently the literature of the flotation process was closely identified with the records of patent litigation. That is why the scientific principles are as yet so little understood and the technology of the process has made such scanty progress. The aim of a patent specification is to disclose just enough to prove ...

  • Fluorite Flotation Process - hotminingepc.com

    Fluorite Flotation Process . Process Introduction. ... The present invention has a simple process and low cost to meet the arts and crafts paint and various fluorescent effect required items need. The preparation method of fluorite flotation agent. A process for the preparation of fluorspar flotation method, the crude intermediate product ...

  • How Froth Flotation Works - Mineral Processing & Metallurgy

    To start with I will give you a simplified description of how selective froth flotation works, lets start over again with a description of the equipment and why it works. When the grinding circuit is finished with the ore it will be ground very fine and the density of the slurry will be between 30% to 45% solids. This is very important because the slurry will be treated chemically and air will ...

  • flotation separation process brief description

    flotation separation process brief description. Flotation Method Copper Processing Plant Hot Sale In Beneficiation Plant . use relatively simple process, through a grinding fineness-200 mesh about 50% to . grinding and separation proceses, and its essence is mixed-flotation process.

  • Floatation Patent GB 21,948 (1898) - Today In Sci

    Process for separating the metallic from the rocky constituents of ore by mixing the pulverised ore first with water in considerable quantity, then adding to the mixture an oil of the kind described, which adheres to the metallic constituents but not to the wet rocky constituents, allowing the water carrving the rocky material to subside while ...

  • Froth flotation - Wikipedia

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

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