patent patent graphite flotation

patent patent graphite flotation

Mar 01, 2017 Synthetic dyes are commonly used for graphite depression in poly-metallic flotation circuits; however, these dyes can be very expensive. The aim of this study is to evaluate performance of certain low-cost alternative depressants for a complex lead-zinc (Pb-Zn) ore rich in graphite (Gr-C) on a conventional mini pilot-scale flotation circuit.

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May 15, 2019 Graphite Patents (Class 423/448) Graphene powder and method for repairing defect of graphene. Patent number: 11142460. Abstract: The present disclosure provides a method for repairing defect of graphene, including: firstly introducing a composite fluid containing a reactive compound and a supercritical fluid to a reactor where the graphene ...

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European Patent EP0274165 . Kind Code: ... gravity concentration and flotation operations have been applied to the ground ore for this purpose. ... Natural graphite concentrations available commercially generally range in purity from 85% to 95% carbon content with the balance being the more difficult to remove gangue constituents generally ...

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Apr 06, 1995 A method of increasing the purity of flake graphite comprising forming an aqueous pulp comprising a flake graphite concentrate, an attrition adjuvant selected from +35 mesh sand, +35 mesh graphite ore, or a mixture thereof, and water in a weight ratio of about 1:2:0.8 to 10, subjecting said pulp to attrition at an impeller speed and for a time ...

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Feb 11, 2016 Metallurgical ContentThe Potter Flotation Apparatus Cattermole Flotation ProcessChief Minerals Separation ProcessApparatus for separating metallic particles in oreHoover ore concentration apparatus 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 ...

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Mar 14, 2013 A method for forming a graphene-reinforced polymer matrix composite is disclosed. The method includes distributing graphite microparticles into a molten thermoplastic polymer phase; and applying a succession of shear strain events to the molten polymer phase so that the molten polymer phase exfoliates the graphite successively with each event until at least 50% of the graphite is …

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1958-12-29 Priority to SU615139A priority Critical patent/SU122100A1/en 1959-11-30 Application granted granted Critical 1959-11-30 Publication of SU122100A1 publication Critical patent/SU122100A1/en Links. Espacenet; ... To adjust the level of the pulp in flotation machines, gate valves, made in the form of a metal plate, are suspended freely ...

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In an ore flotation process usable composition of mercaptans - Patent CN-1575854-A - PubChem. National Center for Biotechnology Information. 8600 Rockville Pike, Bethesda, MD, 20894 USA. Contact. Policies. FOIA. National Library of Medicine. National Institutes of Health. Department of Health and Human Services.

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Aug 01, 2013 1 Abstract. Disclosed is a method of manufacturing ceramic coated graphite having electric resistance in a range from 10 8 to 10 16 Ω/sq via a sol-gel method, the ceramic coated graphite comprising graphite; and ceramic chemically bonded to a lateral defect area of the graphite, wherein the graphite is oval graphite having an aspect ratio ...

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YX patent reagent best supplier used in the flotation treatment. The product is resistant to aging. The organic rubber materials used are tested at ambient (73 F), and most of these will take a permanent set at elevated temperatures. Inquire Online Video Play. Get the latest price.

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[3] Because the Bessel process was used on graphite not gold, silver, copper, lead, zinc, etc, their work has been ignored by most historians of the technology. Inventor Hezekiah Bradford of Philadelphia invented a method of saving floating material in ore-separation” and received US patent No. 345951 on July 20, 1886. He had received his first patent in 1834, primarily invented machinery ...

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Nov 13, 2018 @article{osti_1494120, title = {Method of growing germanium crystals}, author = {Wang, Guojian and Mei, Dongming}, abstractNote = {In accordance with the present invention, taught is a high purity germanium crystal growth method utilizing a quartz shield inside a steel furnace. The quartz shield is adapted for not only guiding the flow of an inert gas but also preventing the germanium melt ...

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Aug 22, 2017 Infrared signal generation from AC induction field heating of graphite foam. Patent Klett, James W.; Rios, Orlando. A magneto-energy apparatus includes an electromagnetic field source for generating a time-varying electromagnetic field. A graphite foam conductor is disposed within the electromagnetic field. The graphite foam when exposed to the ...

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CN109604067A - A kind of separation method of graphite and mica - Google Patents. The present invention relates to the separation methods of graphite in graphite ore and mica, contain mica in the...

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CN101973545A - Method for purifying high-purity graphite - Google Patents. The invention discloses a method for purifying high-purity graphite, which aims to effectively remove impurities from the...

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The preparation of graphene, mono-, bi- and multi-layers from graphite-based precursor materials, for example, pencil lead or graphite, by a method of mechanical thinning on the surface of a planar substrate with controlled roughness, followed by sonication in order to collect the graphene deposited on the substrate in a liquid medium.

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Disclosed is a process for grinding graphite comprising: (1) forming a mixture of graphite and a graphite grinding aid; (2) grinding the mixture of graphite and graphite grinding aid to reduce the size of the graphite; (3) forming an aqueous slurry of the graphite particles, graphite grinding aid and water; (4) adding an amount of hydrocarbon oil to the aqueous slurry with agitation to form ...

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CN101507948A - Cold condition fluorite flotation collector - Google Patents. The invention discloses a collector for the floatation of fluorite at a low temperature. The collector comprises the...

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