Pulp and Paper Industry

Energy Conservation

1st Edition - January 18, 2016
Latest edition
Author: Pratima Bajpai
Language: English

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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Description

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.

Key features

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

Readership

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. Condebelt^TM 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

Product details

Edition: 1
Latest edition
Published: January 20, 2016
Language: English

About the author

Pratima Bajpai

Dr. Pratima Bajpai is a Pulp and Paper Consultant with a 40-year research career spanning institutions like the National Sugar Institute, University of Saskatchewan, and Thapar Research Centre. She has held visiting positions at the University of Waterloo and Kyushu University. Recognized among the World's Top 2% Scientists by Stanford University for five consecutive years, her expertise includes industrial biotechnology, environmental biotechnology, and pulp and paper. She has authored several advanced technical books and contributed to numerous publications, making significant contributions to her field. Dr. Bajpai is a leading expert in industrial biotechnology and environmental aspects of pulp and paper industries.

Affiliations and expertise

Consultant-Pulp and Paper, Kanpur, India

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