Atlas of upgrading curves used in separation and mineral science and technology. Part II
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Wrocław University of Technology
Publication date: 2007-01-01
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Jan Drzymała   

Wrocław University of Technology, Wybrzeże Wyspianskiego 27, 50-370 Wrocław, Poland
Physicochem. Probl. Miner. Process. 2007;41(1):27-35
The present Atlas (Part II) contains 12 new less known upgrading curves which relate quality and quantity of products of separation for a given feed quality α. Part II of the Atlas supplements the list of known upgrading curves presented in Part I. The classification of the upgrading curves used in this work is the same as previously. Group A/ covers upgrading α-insensitive curves with triangle or near triangle area accessible for plotting, Ao: α- insensitive curves, square area available for plotting, B/: α-sensitive curves with triangle plotting area, Bo: α-sensitive curves, having square plotting area, C/ : α-insensitive curves for β >α triangle area, and Co: α-insensitive curves for β >α or β <α, square area, where β stands for content of a component in concentrate while α in the feed. It was emphasized in the paper that all upgrading curves contain the same information but in a different, specific for a given curve form. The use of upgrading curves depends on the needs and preferences of the user. An appropriate matching of upgrading plot with a set of separation results allows to approximate the curve with a suitable mathematical formula which can be used for characterizing separation. Additional curves will be present in Part III of the Atlas. The readers are kindly asked to report unmentioned upgrading curves to [email protected].
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