Solids removal The main methods used to remove solid matter from effluent are: settling /clarification, flotation and straining /filtration. The method chosen depends on the characteristics of the solid matter to be removed and the requirements placed on the purity of the treated water. Figure 1 shows the typical impurities that can be found from
Authors & references
Professor Olli Dahl, Aalto University
Based on: Hynninen, P., Effluent treatment (Chapter 6). In: Dahl, O. (ed.), Environmental management and control, (Book 19), Papermaking Science and Technology. 2nd edition. Jyväskylä, 2008, Finnish Paper Engineer’s Association/Paperi ja Puu Oy. pp. 85-116.
Suhr, M., et al. Best Available Techniques (BAT) Reference Document for the Production of Pulp, Paper and Board. 2015. Luxembourg: Publications Office of the European Union. [Online] Available from: https://ec.europa.eu/jrc/en/publication/eur-scientific-and-technical-research-reports/best-available-techniques-bat-reference-document-production-pulp-paper-and-board-industrial [Accessed on 31st of August 2020]
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