Environmentally Benign Approaches for Pulp Bleaching

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

Main focus is on the environmentally-friendly technologies that can help solve some of the problems associated with conventional bleaching technologiesInformation 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 soCovers in great depth all the aspects of various bleaching processes including environmental issues

1. Introduction 2. General Background 3. Options for Environmentally Benign Bleaching 4. Hexenuronic acids and their removal 5. ECF and TCF bleaching 6. Chlorine Free Bleaching of Secondary Fibers 7. Closed Cycle Bleach Plant