Elsevier S & T

Coal Flotation and Fine Coal Utilization

Laskowski, J.

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Table of contents
  • Cover
  • Contentsxi
  • Prefacevii
  • Chapter 1. Coal preparation1
  • 1.1. Unit operations1
  • 1.2. Coarse-coal vs . fine-coal circuits2
  • 1.3. Seam-to-steam strategy5
  • 1.4. Role of coal surface properties in fine-coal processing7
  • 1.5. References8
  • Chapter 2. Coal characteristics related to coal preparation9
  • 2.1. Introduction9
  • 2.2. Coal classification11
  • 2.3. Coal petrography11
  • 2.4. Inorganic matter in coal15
  • 2.5. Sulfur in coal17
  • 2.6. Liberation23
  • 2.7. References27
  • Chapter 3. Coal surface properties31
  • 3.1. Introduction31
  • 3.2. Coal surface wettability32
  • 3.3. Coal porosity and moisture44
  • 3.4. Surface components hypothesis49
  • 3.5. Patchwork assembly model of coal surface51
  • 3.6. Effect of coal rank on floatability53
  • 3.7. Floatability of coal macerals54
  • 3.8. Experimental methods of characterizing coal wettability57
  • 3.9. References88
  • Chapter 4. Coal floatability95
  • 4.1. Introduction95
  • 4.2. Floatability99
  • 4.3. References109
  • Chapter 5. Reagents111
  • 5.1. Introduction111
  • 5.2. Reagents112
  • 5.3. Reagents' mode of action120
  • 5.4. References173
  • Chapter 6. Flotation technology181
  • 6.1. Introduction181
  • 6.2. Characteristics of coal181
  • 6.3. Characteristics of pulp187
  • 6.4. The use of reagents under industrial conditions191
  • 6.5. Desulfurizing flotation193
  • 6.6. Flocculants in coal preparation201
  • 6.7. Salt flotation204
  • 6.8. References207
  • Chapter 7. Fine-coal multi-unit processing circuits211
  • 7.1. Flotation and gravity methods in fine-coal processing211
  • 7.2. Flotation circuits for difficult-to-float coals217
  • 7.3. Advanced coal flotation circuits218
  • 7.4. References222
  • Chapter 8. Flotation machines225
  • 8.1. Introduction225
  • 8.2. Coal flotation versus mineral flotation232
  • 8.3. Classification of flotation machines234
  • 8.4. References258
  • Chapter 9. Particle size enlargement263
  • 9.1. Introduction263
  • 9.2. Oil agglomeration264
  • 9.3. Flocculation273
  • 9.4. Pelletization291
  • 9.5. Briquetting297
  • 9.6. References300
  • Chapter 10. Fine-coal utilization307
  • 10.1. Utilization of thermal coals and metallurgical coals307
  • 10.2. Fine-coal handleability309
  • 10.3. Spontaneous combustion of coal316
  • 10.4. Coal–water slurries318
  • 10.5. References349
  • Appendix353
  • Subject Index357
  • Erratum369
Book details
  • Vendor Elsevier S & T
  • SKU 9780444505378
  • ISBN-13 9780080529240
  • Author Laskowski, J.
  • Category Science
  • Subject Mineralogy

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Description eBook delivery & access Reviews
To stay profitable while complying with environmental regulations requires that the coal industry not only improve fine coal recovery but also finds better ways for its utilization. This is the first monograph on the processing of fine coal which recognizes that all unit operations that handle fine coal depend on coal surface properties, and which in one single volume provides a comprehensive introduction to coal surface chemistry, using it rigorously in treating coal flotation fundamentals and engineering, fine coal manipulation, pelletization and briquetting, and coal-water slurries.



Readers involved in mineral processing, chemical engineering, mining and metallurgical engineering; technical personnel working for reagent suppliers; and scientists researching the field of coal surface chemistry, flotation and fine coal utilization will find this volume of great interest.