Paper Industry
The Sheet material made up to a network of natural cellulose fibers which have been deposited from aqueous suspension is called Paper .
Raw Material
Pulping Method
Kraft process ( alkaline)
Sulphite Process ( acidic )
Neutral Sulphite semi chemical process
Steps Involving in the Neutral Sulphite semi chemical process
1. Cutting of Raw material
2. Dry Cleaning
3. Wet Cleaning
4. Screening
5. Digestion
6. Blow Tank
7. Pulp Wash
Chapter No 15
Common Chemical Industries In Pakistan
chemistry
Part 2
