In addition, the development of high magnetic intensity (reaching as high as 1.8 T) high-gradient magnetic separators has been achieved, with which it is feasible to economically separate non-ferrous minerals (e.g., copper-molybdenum, copper-lead, copper-zinc separation).
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WhatsApp: +86 18221755073Parsons et al., "Direct Generation of Alternating Currents at High Voltages", Journal IEEE, V67 n393, Sep. 1929.* Rosen, "Generation at 33 kV Proved by Performance", Electrical World, May 6, 1933.* Parsons, "Corona Discharge on Alternators", Electrical Times, Apr. 4, 1935.* "Development of High Voltage Generators", Electrical Times, v83, n2153, Jan. …
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WhatsApp: +86 18221755073The first compositions developed were of the 1:5 type (SmCo 5) and by the early 1970s a second crystalline phase of the 2:17 type (Sm 2 Co 17) was discovered [].With the additions of elements such as cobalt (Co), copper (Cu), zirconium (Zr) and iron (Fe), the magnetic properties were enhanced significantly although at the expense of …
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WhatsApp: +86 18221755073Magnetic and Electrical Separation. Barry A. Wills, James A. Finch FRSC, FCIM, P.Eng., in Wills' Mineral Processing Technology (Eighth Edition), 2016 13.5.2 High-Intensity Magnetic Separators. Weakly paramagnetic minerals can only be effectively recovered using high-intensity (B-fields of 2 T or greater) magnetic separators (Svoboda, 1994).Until the …
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WhatsApp: +86 18221755073machines, devices and applications is beyond the scope of this book. Hence, the reader interested in the engineering aspects of magnetic separation is advised to consult literature, which is amply referenced in [2,4]. Physical quantities used throughout this chapter are in SI units (Sommerfeld system). The spatial part of their dimensions may ...
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WhatsApp: +86 18221755073The pulsating velocity υ ˜, maximum pulsating velocity υ ˜ max, and average pulsating velocity υ ¯ of slurry are respectively written as (Xiong et al., 1998): (7) υ ˜ = 1 2 S ω sin (ω t) (8) υ ˜ max = 1 2 S ω (9) υ ¯ = 1 2 π ∫ 0 2 π | 1 2 S ω sin (ω t) | ⅆ (ω t) = S ω π where S is the pulsating stroke, ω is the angle ...
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