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Elsevier

Environmentally Benign Approaches for Pulp Bleaching

Pulp and paper production has increased globally and will continue to increase in the near future. Approximately 155 millions tons of wood pulp is produced worldwide and about 260… Read more

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Description

Pulp and paper production has increased globally and will continue to increase in the near future. Approximately 155 millions tons of wood pulp is produced worldwide and about 260 millions is projected for 2010. To cope with the increasing demand, an increase in production and improved environmental performance is needed as the industry is under constant pressure to reduce environmental emissions to air and water. This book gives updated information on environmentally benign approaches for pulp bleaching, which can help solve the problems associated with conventional bleaching technologies.

Key features

* Main focus is on the environmentally friendly technologies that can help solve some of the problems associated with conventional bleaching technologies* Information given is up-to-date, authoritative and cites the experiences of many mills and pertinent research, which is of interest to those working in the industry or intending to do so* Covers in great depth all the aspects of various bleaching processes including environmental issues

Readership

Researchers and management in pulp and paper

Table of contents

Acknowledgements.Preface.1. Introduction.2. General background.3. Options for environmentally benign bleaching.3.1 Oxygen delignification.3.2 Ozone bleaching.3.3 Hydrogen peroxide bleaching.3.4 Bleaching with chlorine dioxide.3.5 Bleaching with peroxyacids.3.6 Enzymatic prebleaching.3.7 Fungal prebleaching.4. ECF and TCF bleaching.5. Chlorine free bleaching of secondary fibers.6. Closed cycle bleach plant.Abbreviations.Index.

Product details

About the authors

PB

Pratima Bajpai

Pratima Bajpai is currently working as a consultant in the field of paper and pulp. Her research career spans about 40 years, having worked at the National Sugar Institute, the University of Saskatchewan, the University of Western Ontario, and the Thapar Research and Industrial Development Centre in India. She also worked as a visiting professor at the University of Waterloo, Canada, and as a visiting researcher at the Kyushu University, Fukuoka, Japan. Dr. Bajpai’s main areas of expertise are industrial biotechnology, pulp and paper, and environmental biotechnology.

Affiliations and expertise
Consultant-Pulp and Paper, Kanpur, India

PB

P. Bajpai

Affiliations and expertise
Thapar Centre for Industrial Research and Development, Punjab, India

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