Overview

This book describes the most effective application of chemicals in bleaching. It starts with a brief overview of the history of bleaching and then focuses on recent developments. The ban of chlorine from bleaching pulp has shifted bleaching to environmentally sound procedures. Elementary Chlorine Free bleaching (ECF bleaching) and Totally Chlorine Free bleaching (TCF bleaching) are explained. The potential of different bleaching chemicals is exemplified in detail with a special focus on what to do and what to avoid. Very recent knowledge about the sources of yellowing is utilized to explain the ideal strategy for the removal of chromophores and their precursors. Emphasis is placed on applicable bleaching, in clear contrast to sophisticated, complicated or simply expensive pseudo modern bleaching. The target of this book is to explain the potential and the limitations of different chemicals and to demonstrate the necessity of comprehensive solutions for an environmentally sound use of the raw material wood, of chemicals, and of water in the production of pulp with top quality and yield. This book should educate students in the art of bleaching, assist mill personal in their continuous effort for process optimization, help research and technology managers to successfully select their targets, and be on hand as reference of the most recent bleaching technology.

Full Product Details

Author:   Hans Ulrich Suess
Publisher:   De Gruyter
Imprint:   De Gruyter
Dimensions:   Width: 17.00cm , Height: 2.00cm , Length: 24.00cm
Weight:   0.753kg
ISBN:  

9783110207378

ISBN 10:   3110207370
Pages:   319
Publication Date:   19 April 2010
Recommended Age:   College Graduate Student
Audience:   Professional and scholarly ,  Professional & Vocational ,  Professional & Vocational
Format:   Hardback
Publisher's Status:   Active
Availability:   In stock  
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Table of Contents

"Introduction Bleaching agents, properties and generation Oxidizing agents; Reducing agents; Enzymes; Supporting chemicals; Risk and safety phrases Bleaching of Chemical Pulp Bleaching stages and sequences; Oxygen delignification; Chlorine dioxide; Alkaline extraction; Hydrogen peroxide bleaching; Ozone in pulp delignification; Exotic bleaching chemicals; TCF bleaching of pulp; Yield in bleaching; Effluent ""free"" processes Stability of Brightness Final bleaching with chlorine dioxide or peroxide; Final bleaching with peracetic acid or ozone; Brightness stability in TCF and ECF ""light"" bleaching Bleaching of Mechanical Pulp Reductive bleaching; Metals management; Bleaching with hydrogen peroxide; Conventional activation and stabilization; Modified peroxide activation; Control strategy in bleaching; Trouble shooting Brightening of secondary fiber Recycling of paper and board; Recycling for printing paper; Recycling for production of tissue; Recycling for production of board; Trouble shooting in deinking plants General aspects of Pulp Production Pulp strength; Wood resources; Emissions; Solid waste Bleaching of Other Material Outlook"

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Author Information

Ulrich Suess , Evonik Degussa GmbH, Hanau-Wolfgang, Germany.

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