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Pulp and Paper Industry
Energy Conservation
1st Edition - January 18, 2016
Author: Pratima Bajpai
Language: English
Hardback ISBN:9780128034118
9 7 8 - 0 - 1 2 - 8 0 3 4 1 1 - 8
eBook ISBN:9780128034286
9 7 8 - 0 - 1 2 - 8 0 3 4 2 8 - 6
Pulp and Paper Industry: Energy Conservation presents a number of energy-efficient technologies and practices that are cost-effective and available for implementation today. Em…Read more
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Pulp and Paper Industry: Energy Conservation presents a number of energy-efficient technologies and practices that are cost-effective and available for implementation today. Emerging energy-efficient technologies and future prospects in this field are also dealt with. Qualitative and quantitative results/data on energy savings for various steps of pulp and paper making process are presented. There is no specific book on this topic. This will be a comprehensive reference in the field.
Thorough and in-depth coverage of energy-efficient technologies and practices in paper and pulp industry
Presents cost-effective and available for implementation today technologies
Discusses Biotechnological processes, especially enzymatic processes in the pulp and paper industry to reduce the energy consumption and improve the product quality
Presents qualitative and quantitative results/data on energy savings for various steps of pulp and paper making process
Pulp and Paper technologist/ Engineers, Paper manufacturers, Paper mill personnel, Senior Paper Scientists and R&D Professionals, Academics, Analysts and Consultants
Preface
List of Abbreviations
Chapter 1: General Background
Abstract
Chapter 2: Global Pulp and Paper Production and Consumption
Abstract
Chapter 3: Pulp and Paper Production Processes and Energy Overview
Abstract
3.1. Process Description
3.2. Greenhouse Gas Emission Sources
3.3. Energy Overview
Chapter 4: Energy Conservation Measures for Raw Material Preparation
Abstract
4.1. Cradle Debarker
4.2. Ring-Style Debarkers
4.3. Chip Conditioning
4.4. Chip-Conveying Systems
4.5. Use of Secondary Heat Instead of Steam in Debarking
4.6. Automatic Chip Handling and Thickness Screening
4.7. Bar-Type Chip Screens
4.8. Fine-Slotted Wedge Wire Baskets
Chapter 5: Energy Conservation Measures for Chemical Pulping
Abstract
5.1. Batch Digester Modification
5.2. Continuous Digester
5.3. Digester Blow/Flash Heat Recovery
5.4. Using Flash Heat in a Continuous Digester to Preheat Chips
5.5. Optimization of the Dilution Factor Control
5.6. Use of Evaporator Condensates on Decker Showers
5.7. Use of Two Pressure Level Steaming of Batch Digesters to Maximize Back-Pressure Power Generation
5.8. Use of Digester Additives to Increase Yield
5.9. Use of Extended Delignification and Oxygen Delignification
Chapter 6: Energy Conservation Measures for Bleaching
Abstract
6.1. Improved Brown Stock Washing
6.2. Washing Presses
6.3. Ozone Bleaching
6.4. Heat Recovery
6.5. Optimization of the Filtrate Recycling Concept for Optimum Chemical and Energy Use
Chapter 7: Energy Conservation Measures for Chemical Recovery
Abstract
7.1. Black Liquor Solids Concentration
7.2. Lime Kiln Oxygen Enrichment
7.3. Lime Kiln Modification
7.4. Lime Kiln Electrostatic Precipitators
7.5. Improved Composite Tubes for Recovery Boilers
7.6. Quaternary Air Injection
7.7. Recovery Boiler Deposition Monitoring
7.8. Convert Evaporation to Seven-Effect Operation (Install Additional Evaporator Effect)
7.9. Performing Evaporator Boilout With Weak Black Liquor
7.10. Converting Recovery Boiler to Nondirect Contact and Implementing High Solids Firing
7.11. Condensate Stripping
7.12. Installation of a Methanol Rectification and Liquefaction System
7.13. Tampella Recovery System
Chapter 8: Energy Conservation Measures for Mechanical Pulping
Abstract
8.1. Energy Efficient TMP Processes
8.2. Pressurized Groundwood Pulping
8.3. Heat Recovery in Thermomechanical Pulping
8.4. Improvements in Chemithermomechanical Pulping
8.5. Refiner Improvements
8.6. Efficient Repulping Rotors
8.7. Continuous Repulping
8.8. Countercurrent Coupling of Paper Machine and Mechanical Pulping White Water Systems
Chapter 9: Energy Conservation Measures for Recovered Fiber Processing
Abstract
9.1. Drum Pulpers
9.2. Heat Recovery from Deinking Effluent
9.3. Supply of Waste Heat from Other Process Areas to Deinking Plant
9.4. Implementation of Closed Heat and Chemical Loop
9.5. Increased Use of Recycled Pulp
9.6. Fractionation of Recycled Fiber
Chapter 10: Energy Conservation Measures for Stock Preparation and Papermaking
Abstract
10.1. Shoe (Extended Nip) Press
10.2. Advanced Dryer Controls
10.3. Optimization of Water Removal in Forming and Pressing
10.4. High Consistency Forming
10.5. CondebeltTM Drying Process
10.6. Hot and Superhot Pressing
10.7. Gap Formers
10.8. Direct Drying Cylinder Firing
10.9. Paper Machine Vacuum System Optimization
10.10. Energy Savings Through Heat Recovery Systems
10.11. Implementation of Efficient Control Systems for the Machine Steam and Condensate Systems to Eliminate Excessive Blowthrough and Steam Venting During Machine Breaks
10.12. Optimization of Pocket Ventilation Temperature
10.13. Control of Dew Point
10.14. Closing Hoods and Optimizing Ventilation
10.15. Infrared Drying and Moisture Profiling
10.16. Dry Sheet Forming
Chapter 11: Emerging Technologies
Abstract
11.1. Gas-Fired Paper Dryer
11.2. Air Impingement Drying
11.3. Steam Impingement Drying
11.4. Impulse Drying
11.5. Infrared Drying
11.6. Multiport Dryer
11.7. Boost Dryer
11.8. Advanced Fibrous Fillers
11.9. Microwave Drying
11.10. Aq-vane Technology
11.11. Displacement Pressing
11.12. Laser Ultrasonic Stiffness Sensor
11.13. New Flotation Deinking Processes
11.14. Surfactant Spray Deinking
11.15. Pulsed Power Technology for Decontamination of Recycled Paper
11.16. Directed Green Liquor Utilization Pulping
11.17. Membrane Concentration of Black Liquor
11.18. Dual-Pressure Reheat Recovery Boiler
11.19. Borate Autocausticizing
11.20. Steam Cycle Washing
11.21. Black Liquor Gasification
11.22. LignoBoost™
11.23. Extraction of Hemicellulose Before Chemical Pulping
11.24. Utilization of Residuals in Concrete Production
11.25. Chemical Pretreatment With Oxalic Acid for Mechanical Pulping
11.26. Biopretreatment for Mechanical Pulping
11.27. Enzymatic Prebleaching
11.28. Enzymatic Refining
11.29. Enzymes for Drainage Improvement
11.30. Enzymatic Deinking
11.31. Enzymatic Debarking
11.32. Enzymatic Removal of Shives
11.33. Enzymes for Reduction of Vessels in Tropical Hardwoods
Chapter 12: Future Perspectives
Abstract
Index
No. of pages: 290
Language: English
Edition: 1
Published: January 18, 2016
Imprint: Elsevier
Hardback ISBN: 9780128034118
eBook ISBN: 9780128034286
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.