High Efficiency Preparation Methods

By S. Komar Kawatra and Timothy C. Eisele

This book was written to provide a comprehensive survey of the current state of the art in coal preparation, with particular emphasis on coal desulfurization. Such a book has not been available since Robert Meyers wrote Coal Desulfurization in 1977, and considerable advances have been made in the more than 20 years since then. While several edited books on this topic have been published in the meantime, they consist of collections of individual papers which, while valuable, do not present the state of the art in a comprehensive, uniform manner.

The primary audience for this book is practicing coal preparation engineers who need complete information about all of the coal preparation and desulfurization technologies that are available now, or that may be available in the future. It will also be valuable for coal researchers who need details and comparative data for cutting-edge technologies that are still under development. The main emphasis is on physical coal preparation, but chapters also include chemical and biological technologies that are under development but not yet used in industrial practice. Along with the successful technologies, also included are details of processes and techniques that were attempted, but were subsequently abandoned, along with discussion of the reasons they were abandoned.

Although the book was primarily written for coal preparation, the techniques described in the book are applicable to a wide variety of industrial applications such as gold, iron ore and waste materials.

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Hb:90 5699 696 7: $140.00

S. Komar Kawatra and Timothy C. Eisele are both from the
Department of Chemical Engineering,
Michigan Technological University, Houghton, Michigan


Table of Contents

1. Introduction

2. Analytical Methods

3. Precombustion/Postcombustion Desulfurization

4. Heavy-Media Separation

5. Gravity Concentration

6. Froth Flotation

7. Column Flotation

8. Selective Flocculation

9. Selective Agglomeration

10. Magnetic Separation

11. Electrical Separation

12. Combination Techniques

13. Microbial Processing

14. Chemical Processing

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