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Pulp and Paper Industry
Chemical Recovery
1st Edition - August 24, 2016
Author: Pratima Bajpai
Paperback ISBN:9780128111031
9 7 8 - 0 - 1 2 - 8 1 1 1 0 3 - 1
eBook ISBN:9780128111048
9 7 8 - 0 - 1 2 - 8 1 1 1 0 4 - 8
Pulp and Paper Industry: Chemical Recovery examines the scientific and technical advances that have been made in chemical recovery, including the very latest developments. It… Read more
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Pulp and Paper Industry: Chemical Recovery examines the scientific and technical advances that have been made in chemical recovery, including the very latest developments. It looks at general aspects of the chemical recovery process and its significance, black liquor evaporation, black liquor combustion, white liquor preparation, and lime reburning.
The book also describes the technologies for chemical recovery of nonwood black liquor, as well as direct alkali regeneration systems in small pulp mills. In addition, it includes a discussion of alternative chemical recovery processes, i.e. alternative causticization and gasification processes, and the progress being made in the recovery of filler, coating color, and pigments. Furthermore, it discusses the utilization of new value streams (fuels and chemicals) from residuals and spent pulping liquor, including related environmental challenges.
Offers thorough and in-depth coverage of scientific and technical advances in chemical recovery in pulp making
Discusses alternative chemical recovery processes, i.e., alternative causticization and gasification processes
Covers the progress being made in the recovery of filler, coating color, and pigments
Examines utilization of new value streams (fuels and chemicals) from residuals and spent pulping liquor
Presents ways in which the economics, energy efficiency, and environmental protection associated with the recovery process can be improved
Pulp and Paper Technologists/ Engineers, Senior Paper Scientists, Applied Chemists, Chemical Engineers, Professionals, Academics, Analysts, Consultants
List of Figures
List of Tables
Preface
Acknowledgments
List of Abbreviations
Chapter 1. Introduction
Abstract
1.1 Pulp and Papermaking Processes
1.2 Recent Trends in Chemical Recovery
References
Chapter 2. Properties, Composition, and Analysis of Black Liquor
Abstract
2.1 Properties and Composition of Black Liquor
2.2 Analysis of Black Liquor
References
Chapter 3. Evaporation of Black Liquor
Abstract
3.1 Equipment
3.2 Multiple Effect Evaporation
3.3 Production of Black Liquor of High Solids
3.4 Other Methods Used for Concentration of Black Liquor
3.5 Modern Evaporation
3.6 Scaling and Scale Control
3.7 Evaporator Troubleshooting
3.8 Instrumentation and Process Control
3.9 Other Operations
References
Chapter 4. Combustion of Black Liquor
Abstract
4.1 Recovery Boiler
4.2 Selection Criteria
4.3 Black Liquor Droplet Combustion
4.4 Combustion Behavior of Different Black Liquors
4.5 Operation of Recovery Boiler
4.6 Selection of the Main Parameters for Recovery Boiler
4.7 Nonprocess Elements in the Recovery Cycle
4.8 Safety
4.9 Modern Recovery Practices
4.10 Future of Recovery Boiler Technology
References
Chapter 5. Preparation of White Liquor
Abstract
5.1 Overview
5.2 Characteristics of the Green and White Liquors
5.3 Green Liquor Processing
5.4 Recausticizing
5.5 Modern Recausticizing
5.6 Process Control and Automation
References
Chapter 6. Reburning of Lime Mud
Abstract
6.1 Process Overview
6.2 Lime Reburning Kiln
6.3 Fluidized Bed Lime Calciner
6.4 Flash Calcining
References
Chapter 7. Recovery of Chemicals From Nonwood Black Liquor
Abstract
7.1 Desilication of Black Liquor
7.2 Desilication of Green Liquor
7.3 Soda Recovery
References
Chapter 8. Alternative Recovery Processes
Abstract
8.1 Gasification Processes
8.2 MTCI Fluidized Bed Gasification
8.3 Chemrec Gasification
8.4 Catalytic Hydrothermal Gasification of Black Liquor
8.5 Environmental Impact
8.6 Causticization Processes
8.7 Autocausticization
8.8 Borate Autocausticization With Black Liquor Gasification
8.9 Direct Causticization
References
Chapter 9. Recovery of Coating Color, Pigments, and Fillers
Abstract
References
Chapter 10. Chemicals and Fuels From Residuals and Spent Pulping Liquors
Abstract
10.1 Lignin From Black Liquor
10.2 Other Products
10.3 Future Possibilities
References
Chapter 11. Environmental Issues and Challenges
Abstract
References
Chapter 12. Future Perspectives
Abstract
References
Index
No. of pages: 260
Language: English
Published: August 24, 2016
Imprint: Elsevier
Paperback ISBN: 9780128111031
eBook ISBN: 9780128111048
PB
Pratima Bajpai
Dr. Pratima Bajpai is currently working as a Consultant in the field of Paper and Pulp. She has over 36 years of experience in research at the National Sugar Institute, University of Saskatchewan, the Universitiy of Western Ontario, in Canada, in addition to 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 Kyushu University, Fukuoka, Japan. She has been named among the World’s Top 2% Scientists by Stanford University in the list published in October 2022. This is the third consecutive year that she has made it into the prestigious list. Dr. Bajpai’s main areas of expertise are industrial biotechnology, pulp and paper, and environmental biotechnology. She has contributed immensely to the field of industrial biotechnology and is a recognized expert in the field. Dr. Bajpai has written several advanced level technical books on environmental and biotechnological aspects of pulp and paper which have been published by leading publishers in the USA and Europe. She has also contributed chapters to a number of books and encyclopedia, obtained 11 patents, written several technical reports, and has implemented several processes in Indian Paper mills. Dr. Bajpai is an active member of the American Society of Microbiologists and is a reviewer of many international research journals.