Operations and Recycling in Paper Mills with
Micro and Nano Concepts
Author- Dr. Mahendra Patel;510 pages.
Price-150US$+postage US$30
Operations of pulp and paper mills are going to be more and more difficult with time because of increasing efforts in recycling. On the other hand paper mills are slowly being forced by the environmental regulators to reduce water consumption by recycling to the level of zero-discharge. Recycling of fibre; use of recovered paper by paper mills is already in practice around the world. Recycling of chemicals and energy is also being made by mills to reduce cost of production and environmental improvement.
However, these recycling processes increase enormously the harsh environments such as abrasion, corrosion, fouling, scaling, pitch, stickies, DCS (Dissolved and colloidal substances), NPE (Non-process elements), chemicals, thermal treatment etc, which are thoroughly reviewed and discussed in this book including occurrence and control.
New strategies and technologies are available and rapidly evolving for better recycling and solving problems due to harsh environments. This book discusses all the issues; both problems and solutions for harsh environments. The chemical, biochemical, material and mechanical routes, pursued to address these problems have been reviewed.
Control and prevention of harsh environments automatically lead to stable systems with benefits of achieving smooth operations, reduced maintenance cost, environmental protection, enhancing pulp and paper quality as well as mill productivity, efficiency and financial benefits.
While the basic objective of this book is to review the sources, causes, problems and solutions for harsh environments in pulp and paper manufacturing, it has been attempted to demonstrate how the micro and nano phenomena and substances have bearing on the formation and solutions of harsh environments.
This book is going to serve as reference book for multidisciplinary subjects and industries. While the maintenance people will be most benefitted on reading this book, it will help in bringing down the cost of maintenance and enhance the quality, productivity and efficiency of manufacturing, thus going to be very important for the papermakers and the mill management in saving huge financial losses. Material and chemical suppliers will find this book quite useful in solving mill problems. Teaching and Research establishments will find this book quite valuable and an excellent book for reference.
CONTENTS
Introduction
1 Micro and Nanotechnology 8
1.2 Micro, Nano and Colloidal Particles 9
1.3 Superfine Particles 10
1.5Manufacturing with Nanotechnology 11
1.7 Harsh Environments & Nanotechnology 14
1.8 Mechanism for Formation of Deposit 16
1.9 Abrasion 18
1.10 Fouling 19
1.11 Scaling 21
1.12 Pitch 22
1.12.2 Agglomeration of Colloidal Pitch 24
1.13 Stickies 26
1.14 Corrosion 28
1.15 DCS 28
1.16.1 Nano Titania for Removal of DCS 29
1.17 Silica Nano-Particles 30
1.18Flocculation,Deflocculation,Coagulation31
2 Recycling & Harsh Environments 37
2.1Complex Nature of Harsh Environments 38
2.2 Harsh Environments in Different Areas 41
2.3 Sources of Harsh Environments 42
2.5 Closing Water Cycle and Harsh Environments 46
2.7 Maintenance 49
2.8 Increasing Use of Recycled Fibre 49
2.9 Materials of Construction 50
2.10 Ceramic Products 51
Chapter 3 Abrasion 54
Chapter 4 Fouling 72
Chapter 6 Pitch 124
Chapter 7 Stickies 149
Chapter 8 Corrosion 174
Chapter 9 Slime Control 198
Chapter 10 Descaling 235
Chapter 11 Pitch Control 254
Chapter 12 Stickies Control 286
13Dissolved &ColloidalSubstances 334
Chapter 14Non-Process Elements 356
Chapter 15 Harsh Chemicals 376
16 Other Harsh Environments 390
17 Chemical and Energy Recovery 397
Chapter 18 Recycling Of Fibre 412
19 Recycling of Water: Benchmarking 432
20Recycling of Water:Zero Liq.Discharge 441
21 Recycling of Water: Technologies 453
Chapter 22 Recycling of Water:
Micro and Nanotechnology 469
22.11 Future of Recycling and Operations 482
Index 485-492
Contact: patel@industrypaper.net
industrypaper@yahoo.co.uk
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