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A new method for gravity separation: Vibrating table gravity concentrator
Separation and Purification Technology, 2019Abstract This paper discusses recently developed gravity concentration equipment, namely vibrating table, and reports detailed descriptions of the equipment in terms of principles of design and their effects on operational parameters. Vibrating table originally combines the known physical phenomena of a teetered bed, resistance to water flow ...
Özcan Yıldırım Gülsoy +1 more
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Gravity-centrifuge technology of concentrating minerals
Russian Journal of Non-Ferrous Metals, 2007Based on an analysis of gravity-centrifuge methods of mineral concentration and ways of the enhancement of their performance, a high-efficiency environmentally appropriate and resource-saving technology of separation of loose mixtures of minerals has been developed. The method suggested can be used in the building, metallurgical, and mining industries.
L. L. Korsak, V. N. Lygach
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Development of the Bartles CrossBelt Concentrator for the gravity concentration of fines
International Journal of Mineral Processing, 1975Abstract The Bartles CrossBelt Concentrator has been developed for the gravity concentration of fine particles, in the size range −100 +5 micron. This paper describes the experimental model of the machine and discusses the effect of such parameters as orbital shear speed, transverse slopes, belt speed and flowrate on its performance.
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Gravity-flotation gold-bearing ore concentration
Izvestiya Vuzov Tsvetnaya Metallurgiya (Universities Proceedings Non-Ferrous Metallurgy), 2021The paper focuses on the study of the gold-bearing ore dressability. According to technological research, the average gold content is 11.88 g/t. The silver content is insignificant – 2.43 g/t. Main ore minerals in the sample are pyrite and pyrrhotite. According to mineralogical and X-ray structural analysis, the average content of these minerals in the
P. K. Fedotov +3 more
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Multi-gravity separator: an alternate gravity concentrator to process coal fines
Mining, Metallurgy & Exploration, 2007The multi-gravity separator (MGS) is a novel piece of equipment for the separation of fine and ultra-fine minerals. However, the published literature does not demonstrate its use in the separation of coal fines. Therefore, an attempt was made to study the effects of different process variables on the performance of an MGS for the beneficiation of coal ...
A. K. Majumder +2 more
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SPECIFIC GRAVITY AND OSMOLALITY AS MEASURES OF URINE CONCENTRATION IN THE CALF
Australian Veterinary Journal, 1976Specific gravity and osmolality were determined for daily urine output from 8 male calves that developed diarrhoea. Both factors increased significantly during diarrhoea. From the correlation (r = 0.724) between them and the range of predicted osmolality values for any particular SG the use of osmolality was confirmed as a precise measure of urine ...
Thornton J.R., English P.B.
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Normalization of Urinary Drug Concentrations with Specific Gravity and Creatinine
Journal of Analytical Toxicology, 2009Excessive fluid intake can substantially dilute urinary drug concentrations and result in false-negative reports for drug users. Methods for correction ("normalization") of drug/metabolite concentrations in urine have been utilized by anti-doping laboratories, pain monitoring programs, and in environmental monitoring programs to compensate for ...
Edward J, Cone +5 more
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1987
Gravity Concentration — the separation of minerals by virtue of specific gravity — is one of the oldest forms of mineral processing. Whilst its relative importance has declined in the twentieth century, the high cost of alternative processes, along with the development of a range of high capacity devices has led to something of a renaissance of gravity
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Gravity Concentration — the separation of minerals by virtue of specific gravity — is one of the oldest forms of mineral processing. Whilst its relative importance has declined in the twentieth century, the high cost of alternative processes, along with the development of a range of high capacity devices has led to something of a renaissance of gravity
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Russian Journal of Non-Ferrous Metals, 2009
Jigging technology in a closed cycle is tested and optimized at one department of industrial gold mining for the final concentration of gravity concentrates with the use of PGShOK-50-2 sprinkling installation. The equation of regression—which adequately describes the dependence of the Goden selectivity index on the travel and vibration frequency of the
S. I. Evdokimov, A. M. Pan’shin
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Jigging technology in a closed cycle is tested and optimized at one department of industrial gold mining for the final concentration of gravity concentrates with the use of PGShOK-50-2 sprinkling installation. The equation of regression—which adequately describes the dependence of the Goden selectivity index on the travel and vibration frequency of the
S. I. Evdokimov, A. M. Pan’shin
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Beneficiation of printed wiring boards with gravity concentration
Conference Record 2002 IEEE International Symposium on Electronics and the Environment (Cat. No.02CH37273), 2003With the ever-increasing problem of addressing end-of-life electronics, more emphasis is being placed on recycling and reuse. Between the years 1997 and 2007, experts estimate that we will have more than 500 million obsolete computers in the United States.
P. Galbraith, J.L. Devereux
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