On Sept 4, 2018 the US Patent and Trademark Office has issued a patent #10065197 for the GOLDROP. PATENT IS APPROVED. Social. Goldrop is now on Facebook. Flour gold floating on water recovered by the GOLDROP! ... 175 mesh Gold recovered from black sand by the goldrop pay dirt/gold separating processor.
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gold ore magnet seperation sale in ethiopia. how to use magnetic separation sulfida gold ore Iron Ore Magnetic Separation 911 Metallurgist Apr 20, 2017 The concentration of lowgrade magnetic iron ores, separating the magnetite crystals from the gangue by the use of magnets, is a field of work in which the lessons taught by the development of the porphyry coppers can be studied …
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The GOLDROP with the Magnet Sluice extracts dirty gold, mineralized gold and gold less than 70 microns. In fact, the GOLDROP's Magnet Sluice captures high grade gold ore no other device can! This makes the GOLDROP a valuable tool to extract more gold from the same dirt adding more money into the pockets of artisanal miners while eliminating ...
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A magnetic ore-separator for an admixture of gold, iron, &c., consisting of a rotating conical table of non-magnetic material, magnets for imparting circular fields of force therearound,...
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The invention belongs to a method for separating iron ore and titanium ore, comprising the steps of crushing, ball milling by one time and two times, magnetic separation with low strength, magnetic separation with high strength, ball milling by the third time, spiral separation and fine selection, magnetic separation with low strength and titanium reselection and the like so as to …
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Priority to US624152A priority Critical patent/US1952988A/en ... a gold antimony ore subjected to the magnetic process loses some of its antimony and iron; ... which consists in subjecting the comminuted material to magnetic separation and thereby removing a magnetic constituent containingpyrrhotite, treating said mag netic ...
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The invention relates to the field of metal mineral extraction, and discloses a gold ore dressing agent which at least comprises the following components in parts by weight: 35-80 parts of carbonized sodium cyanurate and 0.5-2.5 parts of anti-scaling agent. Also discloses a preparation method of the gold ore dressing agent, which comprises the step of uniformly mixing the …
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Magnetic ore-separator . Download PDF Info ... Publication of US557121A publication Critical patent/US557121A/en Anticipated expiration legal-status Critical ... 229910052737 gold Inorganic materials 0.000 description 10; 239000002245 particle Substances 0.000 description 8;
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For oxidized iron ores, it is usually easier to obtain a high Fe grade concentrate from specularite ore using magnetic separation, because the specular hematite grains are better crystallized. In Fig. 9.12, SLon magnetic separators are used for processing a specularite ore containing about 35% Fe. The run-of-mine ore is mainly composed of ...
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This product is suitable for the wet separation of -1.2 mm (30- passing -200 mesh)fined grained red ore (hematite, limonite, siderite, etc.),manganese ore, ilmenite, wolframite and other kinds of weakly magnetic minerals,and separation between wolframite and cassiterite.
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The invention discloses a reinforced leaching method of gold in magnetite. The method comprises the following steps: grinding gold-containing raw magnetite, grading to obtain the mineral material to be treated, carrying out low-intensity magnetic separation on the mineral material to be treated to obtain an alloy-containing strongly magnetic mineral, carrying out concentration and grading …
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The gold extraction process mainly depends on the chemical composition of the gold ore, the mineral composition, the gold particle size of the gold, and the requirements of the finished product. Gravity separation, flotation, magnetic separation, cyanidation, these different extraction methods can maximize gold recovery.Whether you are a small miner or a large …
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US581034A - Process of and apparatus for separating precious metals from magnetic ores - Google Patents ... magnet ore trough sand Prior art date ... 229910052737 gold …
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Priority to US08/807,610 priority Critical patent/US5927508A/en ... Still another method of separating fine gold from ore is the use of a cast iron spiral fitted with magnets, as described in U.S. Pat. No. 5,205,414. ... Magnetic separation process for trona US20080099390A1 (en) * : : Plath David C ...
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A gravity-magnetic ore separator for concentrating magnetic or weakly magnetic minerals having a relatively high specific gravity is disclosed. The ore separator utilizes codirectional magnetic …
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[0003] For pretreatment in order to facilitate the gold leaching from sulfide ores, a method of oxidative roasting the sulfide ores is known, and recently a pretreatment of combining the oxidative roasting with the other process has been proposed. For example, in JP-A-2010-235999 (Patent Document 2), the copper sulfide ores is leached at the melting point of sulfur …
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The relevance of the paper is that dry magnetic separation (DMS) is the main beneficiation method of magnetite ores. The lack of efficient industrial-grade machines and apparatus for separating fine-grained magnetite ores means that DMS is used mainly as a pre-concentration operation for fairly large classes.
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This fact is demonstrated by washing concentrates from the dry magnetic separation, when the iron content was easily raised from 52 to 58 per cent. This suggested using a combined process of dry magnetic separation and of washing the magnetic product in some such apparatus as the Dorr classifier. The objections to this arrangement are:
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Magnetic separation performs poorly with non-magnetic or only weakly magnetic materials like gold and graphite. Using it as the sole method won't effectively process these ores. Thus, magnetic separation applications remain constrained regarding suitable ore bodies. Most mineral separations still require gravity, froth flotation, or other ...
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A magnetic ore-separator for an admixture of gold, iron, &c., or other ore, consisting of a rotating conical table of non-magnetic material, magnets thereunder producing fields of force for said table, a stationary inclined hood above the conical table about its shaft, two col lars surrounding the latter, the outer one of which is perforated ...
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(C) A speaker magnet is used to remove iron and magnetic species. (D) After separation, mostly gold remains. from publication: Mercury-free, small-scale artisanal gold mining in Mozambique ...
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This method effects separation by adding a heavy magnetic material such as magnetite to the ore mixture which concentrates in the separator with the gold and is then removed from the ore...
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The invention provides a lead-separating collector for lead-zinc-gold-silver sulphide ores, which comprises HQ77 and ethyl xanthate. A lead-zinc gold and silver sulphide ore lead-selecting method comprises the following steps: grinding raw ores of lead-zinc-gold-silver sulphide ores to obtain ore pulp, and adding a zinc blende inhibitor D82, a lead collector HQ77 and ethyl …
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Edison had long been interested in the challenges of separating metal from earth and rock; in 1879 he organized the Edison Ore Milling Company to commercialize patents for separating the platinum needed for his electric …
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A thorteveitite ore beneficiation process which comprises comminuting the ore by wet autogenuous grinding to substantially liberate the thortveitite contained therein, and passing the comminuted ore through a nonuniform magnetic field to produce a concentrate and a tailing, the concentrate containing a substantially greater percentage of thortveitite than the ore.
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Iron Ore Magnetic Separation – China Magnetic Separation,Iron … Iron Ore Magnetic Separation, … Newest STB series magnetic separator In China 2)Simple structure, high yield; 3)Covenient operation; 4)Granularity blow 0.5m » Free online chat! Dry Magnetic Separator for Iron from Shandong Huate Magnet … Dry Magnetic Separator for Iron, …
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Systems and methods for the beneficiation of fine and very fine particles of iron ore are disclosed. The system includes a first triboelectric electrostatic belt-type separator (BSS) which receives and processes a stream of particles with a median particle size (d50) less than 75 microns to generate an iron rich concentrate. The system and method is water-free and …
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This entails, firstly, the gold being liberated by size reduction, using jaw/cone crushers and mills. Valuable components can then be physically separated from tailings, using gravitational processes, flotation, optical sorting, magnetic and electrostatic separation, depending on ore characteristics (Ventura et al., 2018).
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The invention discloses a copper-molybdenum separation electric potential flotation process. The copper-molybdenum separation electric potential flotation process comprises the steps of raw ore crushing, ore grinding, mixed flotation and separation flotation. In the separation flotation step, the ph value of pulp is kept at 10-11, and rougher flotation pulp electric potential is controlled to ...
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How to Separate Gold From Ore Separating gold from rock ore is a Following magnetic separating gold ore particles were being sent to the Patent US6811031
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