Sökning: "source separated urine"

Visar resultat 1 - 5 av 16 uppsatser innehållade orden source separated urine.

  1. 1. Pilotstudie av källsorterande avloppslösning : Identifiering av systemlösning för källsorterat avloppsavfall i Sydöstra staden i Uppsala

    Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Institutionen för geovetenskaper

    Författare :Linnea Ekblad; [2022]
    Nyckelord :source separating sewage system; urine diversion; anaerobic digestion; wastewater treatment plant; källsorterande avloppssystem; urinsortering; rötning; reningsverk;

    Sammanfattning : Utanför Uppsalas stadskärna planeras det att bygga en ny stadsdel till år 2050, kallad Sydöstra staden. Uppsala kommun vill vara i framkant gällande hållbar stadsplanering och är därför intresserade av att utreda möjligheter till att tillvarata resurser i avloppsvattnet, som ett alternativ till konventionell rening. LÄS MER

  3. 2. Fertiliser derived from human urine : novel media for alkaline urine dehydration

    Master-uppsats, SLU/Dept. of Energy and Technology

    Författare :Christopher Friedrich; [2021]
    Nyckelord :nutrient recovery; fertiliser; urine drying; source separation; magnesium oxide; calcium hydroxide;

    Sammanfattning : Every year, each human excretes approximately 4 kg of nitrogen, 1 kg of potassium and 0.3 kg of phosphorus through their urine. In conventional wastewater treatment, these nutrients are usually not recovered for agricultural production, although they can enhance plant growth. LÄS MER

  4. 3. Challenges during start-up of urine nitrification in an MBBR

    Master-uppsats, Lunds universitet/Kemiteknik (CI)

    Författare :Ellen Ascard Edefell; [2017]
    Nyckelord :Urine; source-separation; urine stabilisation; nitrogen recovery; nitrification; moving bed biofilm reactor; MBBR; water engineering; environmental engineering; vattenförsörjningsteknik; avloppsteknik; Technology and Engineering;

    Sammanfattning : Nitrogen and phosphorous compounds are secreted by humans and treated in wastewater treatments plants. These substances are also found in agricultural fertilisers and needed for plant growth. Nutrient recycling is limited in conventional treatment systems and valuable products are lost. LÄS MER

  5. 4. Inactivation of the urease enzyme by heat and alkaline pH treatment : retaining urea-nitrogen in urine for fertilizer use

    Magister-uppsats, SLU/Dept. of Energy and Technology

    Författare :Magdalena Geinzer; [2017]
    Nyckelord :fertilizer; nutrient recycling; source separated urine; urea; urease; urine drying;

    Sammanfattning : Urine, containing nitrogen (N) in the valuable form of urea, has a high fertilizer potential if it is dehydrated and the nutrients are concentrated. However, urea is not only a valuable N source for plants but also for microbiota which possess a highly efficient urease enzyme to degrade urea into volatile ammonia (NH3). LÄS MER

  7. 5. Metabolic effect of whole grain

    Master-uppsats, SLU/Dept. of Animal Nutrition and Management

    Författare :Nualprae Saenbungkhor; [2016]
    Nyckelord :pigs; whole grain rye; wheat; metabolic; H-NMR; insulin; Glucose;

    Sammanfattning : In Western countries, whole grain products are used as a source of dietary carbohydrates for both humans and animals. Several studies have indicated that consumption of whole grain products generate a lower postprandial insulin response than the refined products. LÄS MER