Chapter 20. Mixing in the Pulp and Paper Industry

  1. Edward L. Paul2,
  2. Victor A. Atiemo-Obeng3,
  3. Suzanne M. Kresta4
  1. Chad P. J. Bennington

Published Online: 30 JAN 2004

DOI: 10.1002/0471451452.ch20

Book Title

Handbook of Industrial Mixing: Science and Practice

Handbook of Industrial Mixing: Science and Practice

Additional Information

How to Cite

Bennington, C. P. J. (2004) Mixing in the Pulp and Paper Industry, in Handbook of Industrial Mixing: Science and Practice (eds E. L. Paul, V. A. Atiemo-Obeng and S. M. Kresta), John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/0471451452.ch20

Editor Information

  1. 2

    Merck & Co., Inc. (retired); 308 Brooklyn Boulevard, Sea Girt, NJ 08750, USA

  2. 3

    The Dow Chemical Company, Building 1776, Midland, MI 48674, USA

  3. 4

    Department of Chemical and Materials Engineering, University of Alberta, Edmonton, AB, Canada T6G 2G6

Author Information

  1. Department of Chemical and Biological Engineering, Pulp and Paper Centre, University of British Columbia, 2385 East Mall, Vancouver, BC, Canada V6T 1Z4

Publication History

  1. Published Online: 30 JAN 2004
  2. Published Print: 14 NOV 2003

ISBN Information

Print ISBN: 9780471269199

Online ISBN: 9780471451457

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Keywords:

  • mixing in pulp and paper applications;
  • pulp suspension characterization;
  • mixing in pulp bleaching operations;
  • repulping;
  • blending;
  • gas mixing into suspensions;
  • mixing measurement

Summary

Mixing applications in pulp and paper manufacturing operations are reviewed. Selected mixing applications in non-fibrous systems, with examples from liquid–liquid to gas–liquid–solid mixing are given. Pulp fibre suspensions are characterized, including suspension yield stress and the ability to suppress turbulence, and related to mixing issues. Macroscale mixing (blending) of fibre suspensions and mixing applications in pulp bleaching operations are detailed. Mixers used at different fibre mass (suspension) concentrations are described and characterized. Gas mixing into pulp suspensions for oxygen delignification and bleaching operations is examined in detail, with respect to both mass transfer and reaction. Mixing measurement techniques in fibre suspensions are described.

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