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Article | REF: W9240 V1

Water management in paper and board industry

Author: Sylvie NIVELON

Publication date: February 10, 2014

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7. Effluent treatment

7.1 Effluent characteristics

Paper mill effluents are mainly composed of :

  • process water overflow and drips around the paper machine;

  • water from glands, pumps, mixers, refiners and purifiers;

  • machine head purification rejects ;

  • pressing water wastewater from pasta preparation ;

  • washing water from kitchens and sleeping quarters;

  • sludge dewatering water.

These flows are collected by a network of gutters and sent to the plant via a lift pump. The resulting effluent mainly contains suspended matter such as fibers, cellulose fines, mineral...

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