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Mineral Processing at a Crossroads : Problems and Prospects - B.A. Wills

Mineral Processing at a Crossroads

Problems and Prospects

By: B.A. Wills (Editor), R.W. Barley (Editor)

Hardcover Published: 31st October 1986
ISBN: 9789024734108
Number Of Pages: 427

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Due to the increasingly complex mineralogy, and lower grade of many current ore reserves, technology has, over the past decade, had to evolve rapidly to treat these materials economically in an industry which has undergone severe periods of recession. However, most of the technical innovations, such as the increasing use of solvent-extraction, ion-exchange etc., have been in the field of chemical ore processing, and, apart from the use of computers and ever larger unit process machines, there have been few major evolutionary changes in the field of physical mineral processing, where conventional crushing and grinding methods, essentially unchanged in half a century, are followed by the 'old-faithfuls'- flotation, gravity, magnetic and electrostatic methods of separation. Many of these techniques have major limitations in the treatment of 'new' ores such as complex sulphides, and the main purpose of the NATO Advanced study Institute (ASI)- "Mineral Processing at a Crossroads" was to review the future of mineral processing. One of the great failings of physical methods is their inability to treat ultra-fine particles, and much research effort is required in this area. Flotation is still the most widely used and researched method for separating minerals, and is the only method which can be used to produce separate concentrates from complex sulphide ores. However, its performance on these 'modern' ores is poor, and it is in this area particularly that chemical methods will increasingly be integrated into plant circuits.

An overview of the ultrafine problem.- Dissolved-air and electrolytic flotation.- Fine coal cleaning - achievements and possibilities.- Simulation - the design tool for the future.- Emerging automatic control approaches in mineral processing.- Energy usage in mineral processing.- Complex sulphide ores: processing options.- Tin mineralisation in Southwest England.- The development of methods of treating tin ores in Cornwall.- Magnetic separation.- Gravity concentration in modern mineral processing.- Developments in solid-liquid separation.- Strategic minerals - their impact on mineral processing developments.- Appendix List of those attending the NATO Advanced Study Institute at Falmouth, UK 24 March-4 April 1986.

ISBN: 9789024734108
ISBN-10: 902473410X
Series: NATO SCIENCE SERIES SERIES E, APPLIED SCIENCES
Audience: Professional
Format: Hardcover
Language: English
Number Of Pages: 427
Published: 31st October 1986
Publisher: Springer
Country of Publication: NL
Dimensions (cm): 24.77 x 16.51  x 2.54
Weight (kg): 0.82