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6. Good water management practices in paper mills
When we talk about water management in paper mills, we need to take a global view of all water circuits: the process water circuit (fabric water and clarified water), the clear water circuit and effluents.
6.1 Process water management strategies
The water circuit of the paper machine is managed in a loop (figure 6 ):
the short loop or primary circuit: immediate reuse of the first draining water from the fabric, rich in fibers, to dilute the thick paste before the headbox;
the long loop surrounding the primary circuit, or secondary circuit. This circuit collects water...
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Good water management practices in paper mills
Effluent treatment
Bibliography
Websites
Guides for the implementation of self-monitoring and "Regular discharge monitoring". http://www.pays-de-la-loire.developpement-durable.gouv.fr/IMG/pdf/vade-mecum_autosurveillance_cle2c557f.pdf
Standards and norms
- Water quality: determination of suspended solids – Glass fiber filtration method - NF EN 872 AFNOR -
- Qualité de l'eau : détermination de la demande chimique en oxygène (DCO) - NF T 90-101 AFNOR -
- Qualité de l'eau : détermination de la demande biologique en oxygène après 5 jours (DBO5) - NF EN 1899-1 AFNOR -
- Water quality – Kjeldahl nitrogen determination – Method after selenium mineralization...
Regulations
Directive 2010/75/EU on industrial emissions, known as the "IED Directive".
Directive 2008/1/EC concerning integrated pollution prevention and control (IPPC).
Decree of April 3, 2000 concerning the paper industry.
Circular dated May 16, 2007: updating of prefectoral decrees authorizing the operation of installations covered by headings 2430 and/or 2440...
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Manufacturers – Suppliers – Distributors (non-exhaustive list)
PETAX filter http://www.kadant.com/fr/
ALGAS microfilter http://algas.no/
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