Producing paper without producing effluent

This paper describes the operation of a waste water treatment plant in a zero discharge paper mill in central France that produces 50,000 tons per year of corrugated case material (with capacity for 70,000 tons per year).

As raw material for the production process 100% recycled paper is used. Inevitably in the production processes of packaging board mills large quantities of water have to be used, which is recycled many times in the papermaking process and finally discharged as waste water.

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