6CH6.3-Introduction to Pulp & Paper Technology |
Units: I |
Introduction : Present status of pulp industries: Fivrous raw materials, Fibre Chemistry.
Raw Material Preparation : Debarking, chipping, chip screening, storage.
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Units: II |
Pulping : Chemical, semi chemical, mechanical, chemimechanical and nonconventional.
Secondary fibre pulping. Advances and recent trends in pulping.
Pulp Manufacture : Stock preparation, beating and refining, functional and control
additives for papermaking, wet-end chemistry, polymer chemistry, retention sizing. |
Units: III |
Bleaching : Objective of bleaching, bleachability measurement, bio-bleaching
Chemical Recovery : Composition and properties of black liquor, oxidation and
desilication, concentration of black liquor and its incineration, causticizing and clarification
sludge washing and burning.
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Units: IV |
Paper Manufacture : Approach flow system, wire part, sheet forming process, sheet
transfer mechanism, press part, theory of pressing, dryer part, paper drying process,
calendering, cylinder mould machine, finishing, fibre recovery systems, recent
developments in paper making. Coating and lamination.
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Units: V |
Paper Properties : Physical (Optical, strength and resistance) Chemical and electrical
properties, paper defects.
Paper Grades : Types, composition, manufacturing techniques, properties and uses
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Text/ Reference Books |
1. Britt, K.W. (Ed.) “Handbook of Pulp and paper Technology” 2nd ed., CBS
Publishers & Distributors, Delhi, 1984.
2. Casey, J.P. “Pulp and paper Chemistry and Chemical Technology” Vol.1, 3rd ed. Wiley
Interscience.
3. Rydholm. S.A. “Pulping Processes” Wiley Interscience.
4. Libby, C.E. “Pulp and paper Science and Technology” Vol.1, McGraw-Hill.
5. Clark, JDA, “Pulp Technology and Treatment for Paper” 2nd ed. Miller Freeman.
6. McDonald, R.G., “Pulp and Paper Manufacture,” Vol.1, 2nd ed. McGraw-Hill.
7. Biermann, C.J. “Essentials of Pulpingand Paper Making,” Academic Press.
8. Saltman, D., “Paper Basics” Van Nostrand, 1978.
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