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Abstract
A mathematical model is formulated to study the evolution of a continuous flotation process; the model yields a lower bound for the long-time deinking efficiency. Some of the theoretical predictions of the model are analysed using data obtained at a recycle mill.
Acknowledgments
The author wishes to acknowledge the support of the Institute of Paper Science and Technology of the Georgia Institute of Technology, Atlanta, Georgia, during the period when the research leading to this paper was conducted; the author is especially grateful for the help provided by Dr Suresh Shrauti, who conducted the experimental trials, and to the staff of the Abitibi recycle mill in Sheldon, Texas, for their cooperation during the period when those trials were performed.