- Obsolescence of technology in most cases.
- Lack of eco friendly state of the art processing technologies.
- Uneconomic scale of operation.
- In an international comparison, even the largest machines are medium-size
- The average capacity of paper machines is about 14000 t/a
- Most of Indian paper machines have a trim width from 1.5 to 3.5 m
- There are only 9 paper machines with trim width of 5 m or more
- Only 14 machines have capacities 50000 t/a or more
- It is not possible to have very high speed paper machine, i.e. >1500 mpm for type of raw material available in India
- Similarly for adoption of new papermaking technology quality of raw material and mill size are the major limitations.
- Except the wood based integrated mills and few agro/RCF mills the level of automation and process control is very low in most of the mills
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