Essays about: "Fredrik Wirell"

Found 2 essays containing the words Fredrik Wirell.

  1. 1. Potential to inactivate microorganisms in sewage sludge by ammonia treatment : different temperatures and urea additions

    University essay from SLU/Dept. of Energy and Technology

    Author : Fredrik Wirell; [2015]
    Keywords : Ammonia; Urea; Sewage sludge; inactivation; reduction; Thermo tolerant coliform bacteria; Salmonella; E. coli; Enterococci; Somatic coliphage;

    Abstract : Sewage sludge is rich in nutrients and organic matter, both of which can be useful in the agricultural system. By recycling the nutrients from our excreta, a more sustainable use of nutrients in agriculture can be achieved and the use of mineral fertilizer can thereby be decreased. READ MORE

  3. 2. Vingårdar i Sverige! : farligt för miljön?

    University essay from SLU/Dept. of Soil and Environment

    Author : Fredrik Wirell; [2012]
    Keywords : svensk vinodling; näringsbalans; övergödning; miljöbelastning; vin; svenska vingårdar;

    Abstract : The future climate of Sweden is expected to become warmer in the future. This would be beneficial for vineyards and may lead to a greater area being allocated for wine production. The environmental impact concerning eutrophication from Swedish vineyards has not been evaluated before. READ MORE