Sökning: "human urine fertiliser"

Hittade 4 uppsatser innehållade orden human urine fertiliser.

  1. 1. Centering farmer perspectives on a dry-fertiliser made from human urine: a case study on Gotland, Sweden

    Master-uppsats, Lunds universitet/LUCSUS

    Författare :Nicola Parfitt; [2023]
    Nyckelord :circular nutrient economy; human urine fertiliser; ecological sanitation; eutrophication; sustainability science; Social Sciences;

    Sammanfattning : To reduce eutrophication and close the nutrient loop between sanitation and agriculture, innovations to recycle human waste are being further developed. As there is little research on Swedish farmer perspectives towards human urine fertilisers, this study investigates Gotlandic farmer perspectives on a dry-fertiliser derived from human urine, developed by Sanitation360. 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. Återvinning av näringsämnen från hushållsspillvatten med omvänd osmos

    Uppsats för yrkesexamina på avancerad nivå, Institutionen för geovetenskaper

    Författare :Kristina Blennow; [2005]
    Nyckelord :Reverse osmosis; Hammarby Sjöstad; nutrient recovery;

    Sammanfattning : Hammarby Sjöstad is a new district in Stockholm with high environmental standard. Stockholm Water Company evaluates a local wastewater treatment plant with cutting edge technology. The first step is an experimental treatment plant (Sjöstadsverket) with four parallel lines of treatment, each with a capacity to treat wastewater from 150 persons. LÄS MER

  5. 4. Humanurin till åkermark och grönytor : avsättning och organisation i Göteborgsområdet

    L3-uppsats, SLU/Dept. of Biometry and Engineering

    Författare :Susanna Degaardt; [2004]
    Nyckelord :humanurin; källsortering; kretslopp; näringsämnen; åkermark; golfbanor; parker; kommunal planering;

    Sammanfattning : This study investigates how nutrients from source-separated human urine from Gothenburg properties can be used as fertiliser in agriculture or for parks or sports fields. The initiator is the Department of Sustainable Water and Waste Management at the City of Gothenburg. LÄS MER