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In a method for separating rich ore particles from agglomerates which contain said rich ore particles and magnetizable particles attached thereto, especially Fe3O4, in which agglomerates of the rich ore particle and the magnetizable particle are bonded by organic molecular chains, the agglomerates are contained in a suspension containing a carrier fluid and are broken up by an …
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The CIL (Carbon in Leach) Processing Plant is a gold recovery plant that utilizes the leaching cyanidation process. It is designed to recover gold in higher grades compared to other methods such as flotation or gravity separation. The plant …
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The invention discloses a low-grade gold ore recovery technology, and belongs to the field of gold ore recovery. First-level screening, second-level screening and third-level screening are sequentially carried out on roughly-shattered raw ore; after third-level screening, size mixing is carried out on ore with the size fraction smaller than or equal to 1.5 mm, and the ore is …
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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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A concentrate of a roaster calcine-magnetic concentrate obtained from a gold-bearing ore was subjected to a leach using a lixiviant of hydrochloric acid and magnesium …
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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 …
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A process is disclosed for separating a relatively more magnetic material from a relatively less magnetic material comprising passing the material being processed through a plurality of regions, each region having a relatively more magnetic segment and a relatively less magnetic …
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Traditional non-cyanidation methods include gravity separation, flotation separation and magnetic separation. These methods use the difference in physical properties between gold minerals and other non-gold minerals in …
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magnetic separation. Dry Magnetic Separation of Iron Ore: There are many inherent advantages in processes that utilize dry magnetic separation to beneficiate iron ore. Wet concentration of magnetite ore, in comparison, re- quires 500 to 1000 gal of water per ton of concen- trate produced. This means extensive use of water
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A separator pan (10) is set into a rearwardly leaning position (Fig. 4). A lower portion of the pan sidewall (28) slopes downwardly as it extends outwardly from the pan bottom (12). A spiral rib (32), inside of the pan (10) slopes upwardly as it extends axially outwardly from the interior of the pan (10). Pan (10) is rotated in a direction causing the spiral rib (32) to coil inwardly.
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The invention discloses a kind of spodumene mine ore dressing sorting process, belong to more metal ore dressing technical fields, comprising: (1) use SAB crushing circuit, raw ore is carried out ore grinding；(2) CCF flotation column is utilized, preparatory flotation is carried out to ore milling product, it is rough to obtain preparatory flotation；(3) by the rough carry out flotation ...
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Abstract: In described embodiments, a process for recovery of a metal from a grounded ore comprises leaching the grounded ore with a leaching reagent, an oxidant and an oxygen vector. In particular, a process for recovery of gold from a grounded gold ore, comprises leaching the grounded gold ore with a cyanide salt, an oxidant and an oxygen vector.
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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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magnetic separation. Dry Magnetic Separation of Iron Ore: There are many inherent advantages in processes that utilize dry magnetic separation to beneficiate iron ore. Wet concentration of …
WhatsApp: +86 18221755073
A placer gold separating method characterized by causing a mixture of placer gold and gold ores or pulverized gold ores and water to flow in a metallic cylinder, generating a magnetic field by...
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Priority to US00312232A priority Critical patent/US3811623A/en ... the black sands include trace amounts of valuable metals such as gold, platinum, rhodium and silver. valuable ... with these impurities and contaminants being reduced to some extent by magnetic ore concentration of separation apparatus and further reduced as part of ...
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A system for removing iron ore particles adhered by magnetic hysteresis to a magnetic matrix of a vertical magnetic separator, the vertical magnetic separator having a separation ring with a magnetic matrix; an ore feed inlet an ore accumulation vessel positioned in the lower portion of the magnetic matrix and having an outlet for low magnetic-susceptibility material; a magnetic …
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Gold ore is a type of ore that contains gold mineralization in its composition. It is a valuable and sought-after metal due to its rarity and beauty, as well as its industrial and economic applications. ... The slurry is then subjected to magnetic separation, which separates the iron oxide minerals from the copper and gold minerals. The ...
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The Knelson concentrator (KC) is widely used in gold ore and other precious metal ore processing technology because of its excellent separation performance. The development history and types of ...
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Justia Patents Special Applications US Patent for Dual intensity magnetic separation process for beneficiation of platinum ore Patent (Patent # 4,543,178) ... See for example, Report of Investigations 8366, Recovering By-Product Heavy Minerals from Sand and Gravel, Placer Gold, and Industrial Mineral Operations by J. M. Gomes, G. M. Martinez ...
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An additional stage in the processing of an arsenopyritic refractory gold ore was studied. ... US Patent N° 2951741 A. Google Scholar. Snyders et al., 2018. C.A. Snyders, G. Akdogan, S.M. Bradshaw, J.H. van Vreden, R. Smith. The development of a caustic pre-leaching step for the recovery of au from a refractory ore tailings heap.
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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 and gravitational forces to achieve separation capabilities in excess of that which can be achieved using gravity forces alone. Typically, the gravity-magnetic ore separator is formed by …
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The present invention relates to a process for separating at least one first material from a mixture comprising this at least one first material and at least one second material, which comprises the following steps (A) contacting of the mixture comprising at least one first material and at least one second material with at least one magnetic particle in the presence of at least …
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Publication of US20200282431A1 publication Critical patent/US20200282431A1/en ... The invention belongs to the technical field of ore magnetic separation and specifically relates to an ore intelligence sorting apparatus and method based on X-rays discernment, which is a novel intelligent ore sorting equipment and is suitable for the ...
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The methods of extracting gold from quartz vein ore, sulfide ore, polymetallic gold-bearing ore, gravity separation, flotation, and cyanidation can all achieve high recovery rates.
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The invention discloses a beneficiation method for a pure magnetic iron ore. A crude ore is sequentially treated according to the steps such as first crushing, first-stage dry-type magnetic dressing, medium crushing, second-stage dry-type magnetic dressing, fine crushing and third-stage dry-type magnetic dressing, fine ore is obtained after a great amount of gangues are …
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Publication of US20090139910A1 publication Critical patent/US20090139910A1/en ... U.S. Pat. No. 7,168,568 to Wise describes a device for separating non-magnetic minerals from a source containing both magnetic and non-magnetic material. U.S. Pat. No. 3,761,132 to Grable teaches an apparatus for upwardly displacing soil by delivering ...
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The present invention relates to ore producing process, and is especially one andalusite ore separating strong magnetic-heavy medium process. The process includes the following steps: 1. crushing andalusite ore to dissociate most of the andalusite; 2. magnetically separating in a strong magnetic separator to eliminate most of biotite and other weak magnetic gangue minerals; 3. …
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US662409A - Apparatus for separating gold from magnetic sands. - Google Patents Apparatus for separating gold from magnetic sands. Download PDF Info Publication number ... Priority to US926900A priority Critical patent/US662409A/en 1900-11 …
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Vale recently inaugurated, in Minas Gerais state, a pilot plant for magnetic concentration of low-grade ore without using water. The Brazilian technology, known as FDMS (Fines Dry Magnetic Separation), is unique and has been developed by New Steel - a company acquired in late 2018. The pilot plant, which cost US$3 million, is the first step towards the …
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