1 NORWEGIAN UNIVERSITY OF LIFE SCIENCES www.umb.no 1 Rena rensepark, Kåsmoen Rena infiltration system Compiled by: Petter D. Jenssen Norwegian University.

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Presentation transcript:

1 NORWEGIAN UNIVERSITY OF LIFE SCIENCES 1 Rena rensepark, Kåsmoen Rena infiltration system Compiled by: Petter D. Jenssen Norwegian University of Life Sciences (UMB)

NORWEGIAN UNIVERSITY OF LIFE SCIENCES Rena rensepark, Kåsmoen Rena infiltration system - Location Rena infiltration system is located a few kilometers north of Rena town. It is the largest soil infiltration system in Norway and has capacity for 8000 person equivalents (pe). The waste water is pumped from Rena town to the treatment system that is located in a glaciofluvial sand and gravel deposit, 40m above and 500m to the east of the river Glomma. Department of Plant and Environmental Sciences, P.D. Jenssen

NORWEGIAN UNIVERSITY OF LIFE SCIENCES Rena rensepark, Kåsmoen Rena infiltration system - a simple process The water is first passed through a bar screen followed by a finer belt screen (Salsnes filter TM ). After screening, the water is passed on to four alternating infiltration basins each of 1000m 2. Excellent treatment is provided as the water passes through the nearly 40m deep unsaturated zone. Department of Plant and Environmental Sciences, P.D. Jenssen

NORWEGIAN UNIVERSITY OF LIFE SCIENCES Rena rensepark, Kåsmoen Rena infiltration system - further reading Department of Plant and Environmental Sciences, P.D. Jenssen JENSSEN, P.D.; SIEGRIST, R.L. (1990): Technology Assessment of Wastewater Treatment by Soil Infiltration Systems. In: Water Science & Technology 22, URL [Accessed: ].Technology Assessment of Wastewater Treatment by Soil Infiltration Systems Infiltration of wastewater in buried soil infiltration systems has been promoted as a low cost, effective alternative for treatment and disposal of wastewater flows from commercial developments and small communities. However, design and performance relationships are not always well defined and systems are often implemented based on local tradition and empiricism. This paper describes design criteria especially for large subsurface wastewater treatment systems. SIEGRIST, R.L.; TYLER, E.J.; JENSSEN, P.D. (2000): Design and Performance of Onsite Wastewater Soil Absorption Systems. St. Louis, MO: PDFDesign and Performance of Onsite Wastewater Soil Absorption Systems This document describes onsite wastewater soil absorption systems (WSAS), which have the potential to achieve high treatment efficiencies over a long life service at low cost. Information is given on the function and performance of WSAS, the current state of knowledge, and identifying major gaps in predicting system performance. SØRENSEN, E.T b. Rena rensepark – faktaark, factsheet. In: SØRENSEN, E.T. (2008): Utvikling av metode for beskrivelse, visualisering og vurdering av økologiske sanitærsystemer belyst med temaark som beskriver fire norske anlegg for natur- og kretsløpsbasert rensing av avløpsvann. MSc thesis. Dept. of Landscape Architecture, Norwegian University of Life Sciences. 89p.