Essays about: "Filtra P"

Found 2 essays containing the words Filtra P.

  1. 1. Tillförsel av använda fosforfilter påverkar inte tillväxten eller fosforupptaget hos korn

    University essay from SLU/Dept. of Crop Production Ecology

    Author : Emma Tylstedt; [2012]
    Keywords : Fosfor; Filtra P; Polonite; Filtralite; Hyttsand; kalkning; struktureffekt;

    Abstract : The eutrophication of inshore seas, lakes and watercourses is mainly due to leaching of nitrogen and phosphorus (P) from agriculture. Many efforts are made to reduce the lea-kage of phosphorus in Sweden and the Baltic Sea countries. Phosphorus is also a finite resource and the mining of good quality raw material gets more and more difficult. READ MORE

  3. 2. Enskilda avloppsanläggningar med fosforbindning i Stockholms län : en miljösystemanalys med metodik från livscykelanalys

    University essay from Institutionen för geovetenskaper

    Author : Philipp Weiss; [2007]
    Keywords : Small-scale wastewater treatment; environmental systems analysis; life cycle assesment; phosphorus removal; filter beds; chemical precipitation; infiltration;

    Abstract : Modern, small-scale wastewater treatment faces a twofold challenge: On the one hand requirements from legal authorities regarding removal of eutrophying substances have become more demanding. On the other hand high-quality phosphorus reserves are dwindling, which has raised calls for increased recycling. READ MORE