Municipal secondary wastewater effluent was applied to plots, 900 m2 each, on a middle-class farming land planted with willows (primarily clones from Salix viminalis} according to the short-rotation energy forestry (SREF) concept in Sweden. Wastewater was applied at rates of 2, 4, 6, 8, 10 and 12 mm/d, respectively, throughout the growth period (May-October) during […]
Författare KENTH HASSELGREN
Nyckelord (Keyword) land treatment, metals, municipal wastewater, nutrients, Salix, short-rotation energy forestry, willows
The runoff from an extensive green roof in Malmö was measured over more than a year. The roof, which is 4 m long sloping 2.5 %, is covered by 3-4 cm soil substrate with sedum vegetation. About 10 mm rain is required to generate runoff. The monthly and annual water balance of a green roof […]
Författare LARS BENGTSSON
Nyckelord (Keyword) sedum vegetation, extensive green roof, water balance, runoff, storm water
This article reports the work done in the doctoral project “Productive treatment of wastewater in cold climate with microalgae”, and concludes that microalgae may improve wastewater treatment in ponds in cold climate, from a treatment perspective as well as a sustainability perspective. Part of this work has previous been published in the licentiate thesis 2002: […]
Författare ERIK GRÖNLUND, STEFAN FALK och JÖRGEN HANAEUS
Increased nutrient load often causes algal blooms. An algal bloom lowers the water quality which is a problem in many fresh water catchments. Today, we have too little information about how the nutrient supply influences the algal composition. With a new method (still under development), called “delayed fluorescence (DF) excitation spectroscopy”, the goal is to […]
Water problems are becoming more and more complex to solve in a sustainable manner. The reason for this is a rather radical change of focus from engineering solutions to a more interdisciplinary hydro-ecological and socioeconomic perspective during the latest decades. At the same time many occurring water problems are changing character from the local to […]
Författare R. BERNDTSSON och G. LINDH
Nyckelord (Keyword) education, water specialist, sustainability.
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