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WhatsApp: +86 18838072829Optimal energy management for a jaw crushing process in deep mines Numbia,∗, J. Zhanga,b, X. Xiaa aDepartment of Electrical, Electronic and Computer Engineering, University of Pretoria, Pretoria 0002, South Africa bDepartment of Electronic and Electrical Engineering, University of Strathclyde, Glasgow G1 1XW, United Kingdom Abstract This paper develops two optimal control models for the ...
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WhatsApp: +86 18838072829©The Chamber of Mines of South Africa, 1987 Box 809, Johannesburg, 2000 ISBN 0 620 10944 0 Volume 2 o 620 10109 1 Volume 1 o 620 10945 9 The Set Typeset by Scientific and Technical Typesetting Kelvin House, 2 Hollard Street, Johannesburg 2001 Printed in the Republic of South Africa by National Book Printers, Goodwood
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WhatsApp: +86 18838072829mines are already exploiting other chromite layers within the Middle group, and these are the MG2, 3 and 4 [6]. This might be due to depreciation of highgrade chromite seams. Chromite processing involves crushing, milling to less than 1mm and further beneficiation using gravity circuits and spiral concentrators are widely used for this purpose.
WhatsApp: +86 18838072829The process design of gold leaching and carboninpulp circuits The Journal of The South African Institute of Mining and Metallurgy JANUARY/FEBRUARY 1999 15 Table I Typical capital cost breakdown Item % of capital General site facilities Services facilities General piping utilities General electrical Process control
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