ChE415(C) PAPER TECHNOLOGY

UNIT-I
Importance of Paper industry, different types and uses of papers (characteristics and composition of different papers)
Various fibrous raw materials for paper manufacture. Classification of Hardwood and Softwoods. Preparation of raw materials (De-barking, chipping, screening and conveying).

UNIT-II
Pulping and different pulping processes (Mechanical pulping, alkaline pulping, acid pulping and semi chemical pulping). Recovery of cooking chemicals from spent cooking liquors.

UNIT-III
Washing and bleaching of pulp. Effluents from paper industry and their treatment. Stock preparation (Beating, refining, sizing and loading).

UNIT-IV
Manufacture of paper on paper machine, testing of different properties of pulp and paper.


Text Books

1. Hand book of Pulp and Paper Technology, Kanneth W.Britt, Vol. I & II.

1. Modern Pulp and Paper Making, edited, John B.Calkin
2. Pulp and Paper: Science and Technology, Vol. I & II, E.Libby Mc Graw Hill
3. Paper Industry in India, V. Podder, Weighcort Oxford and HBH Company.
4. Indian woods, K.A.Chowdary and S.S.Ghosh Vol. I, II & III.