CONCLUSIONS AND RECOMMENDATIONS Conclusions The main result of this project was the separation of magnetite from coal using an experimental High Gradient Magnetic Separator which achieved high throughput rates, high values of magnetite recovery, and small amounts of coal reporting to the magnetics.
According to the different types of ores with different processing methods: single sulfide ore flotation method commonly used; for multi metal sulfide ore, the ore composition characteristics with different methods were chosen including mixed flotation, flotation method, mixed flotation method, flotation and gravity separation, magnetic separation and flotation separation method combined beneficiation method, as well as the flotation and hydrometallurgical treatment; oxide ore by flotation and hydrometallurgical treatment or with flotation with maceration combined with water treatment; copper ore oxidation element, commonly used in hydrometallurgical processing. Mixed ore, usually by flotation method, it can be processed separately, or together with sulfide ore processing; can also be used in flotation and hydrometallurgical treatment, first select the copper concentrate by flotation method, then the hydrometallurgical processing tailings after flotation.
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Polymer Hybrid Iron Oxide Magnetic Separator Equipment Triggered By Temperature.
The gold ore flotation production line is treated with a flotation agent according to the difference in physical and chemical properties of the surface of the gold ore, so that the gold ore is selectively attached to the air bubbles to achieve the purpose of separation.
Cement, portland products, new building materials, refractories, fertilizers, ferrous and nonferrous metal beneficiation and glass ceramics.
It was a well known fact that permanent magnets positioned on both sides of a flat steel body can magnetize the steel to a high level, if the magnet poles were the same on each side, i.e., the magnets would repel each other. However, in the past, large magnet volumes were required to achieve any substantial magnetization. With the new powerful magnets, the magnet volume could be relatively small to generate high steel magnetization. In 1981 this author determined the optimum ring size for samarium-cobalt magnets. Maximum steel magnetization (near saturation) could be obtained if the rings were stacked to make a roll using a 4:1 ratio of magnet to steel thickness, see Figure 1. Since magnetized particles are attracted to the magnetized steel surface on the roll periphery, this means that 20% of the exposed roll surface would collect such material. This collection area is an order of magnitude greater than what could be achieved with prior art magnets, making the magnetic roll useful for mineral separation.
QF collector, containing thiocarbonyl functional groups, has strong collection capacity for natural gold, chalcopyrite and other minerals. Its ability to collect gold and copper is higher than that of low-grade xanthate and dithiocarbamate collectors.
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Magnetic Rolls are available in 65, 75, 100,150 & 200 mm dia. and widths upto1500mm. There are three different Magnetic Strengths i. e. 10000 Gauss, 12,000 Gauss and 15,000 Gauss. The Roll is driven by a 0.5 HP, variable speed DC/AC geared Motor drive adjustable from 0 to 100 RPM. For the purpose of Feeding, Vibratory Feeder with Control is Provided. The Machine is Provided with Abrasion resistant endless conveyor Belts of 0.8mm thickness.
Mechanised production: Vacheron & Constantin developed a full set of machine tools for manufacturing its watches.
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The research “Performance Testing of Rare Earth Magnetic Tube Circuits” commissioned by Eriez Magnetics and conducted by the Pennsylvania State University Behrend Campus in March of 2004. The purpose of the research is designed to determine which commercial tube magnets will provide the greatest opportunity to remove dangerous ferrous metal and weakly magnetic contaminants from process flows in industrial applications.
Three types of tests are available for mill power determinations. In most cases one of two bench scale tests is adequate. First, a Jar Mill grindability test requires a 5 lb. (2 kg) sample and produces a direct measured specific energy (net Hp-hr/t) to grind from the design feed size to the required product size. The second test, a Bond Work Index determination, results in a specific energy value (net Hp-hr/t) from an empirical formula.