Essays about: "substansflödesanalys"

Found 4 essays containing the word substansflödesanalys.

  1. 1. Carbon Flows in Sweden : A Substance Flow Analysis of anthropogenic carbon flows

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Sofia Gunnarsson; [2022]
    Keywords : Carbon; Carbon Flow; Carbon Stock; Substance Flow Analysis; Sweden; Industrial Ecology; Anthropogenic;

    Abstract : Carbon (C) is an essential element for all life. However, modern livestock keeping and usage of carbon through burning of fossil fuels are resulting in increased concentrations of carbon dioxide and methane in the atmosphere, two important greenhouse gases (GHG). READ MORE

  3. 2. Nitrogen flow in Scania : substance flow analysis on a regional level

    University essay from SLU/Dept. of Energy and Technology

    Author : Johanna Hellstrand; [2015]
    Keywords : substance flow analysis; fertilizer; sewage sludge; wastewater; urine separation; manure;

    Abstract : In this thesis, the flows of reactive nitrogen (Nr) in Scania were investigated and quantified. The thesis was also intended to form a basis for comparison between the urban nitrogen flow and other flows of nitrogen within Scania. The management of nitrogen in society has disturbed the natural nitrogen cycle. READ MORE

  4. 3. Towards Sustainable Phosphorus Management : Material Flow Analysis of phosphorus in Gothenburg and ways to establish nutrient recycling by improving urban wastewater systems

    University essay from Institutionen för geovetenskaper

    Author : Helena Borgestedt; Ingela Svanäng; [2011]
    Keywords : phosphorus; phosphorus cycle; Material Flow Analysis; nutrient recycling; environmental quality objectives; wastewater system; sludge; ashes; fertilizers; Gothenburg; urine diversion; kitchen grinders; fosfor; fosforcykel; substansflödesanalys; näringsåtervinning; miljömål; avloppssystem; slam; aska; gödselmedel; Göteborg; urinsortering; köksavfallskvarnar;

    Abstract : All life forms require the nutrient phosphorus and it cannot be substituted by any other element. The global cycle of phosphorus is special among the major biogeochemical cycles, since it has no significant gaseous compounds and only closes every 10-100 million years. READ MORE

  5. 4. Local and small scale treatment system for organic waste in the Copenhagen area

    University essay from KTH/Industriell ekologi

    Author : Anna Hansson; [2006]
    Keywords : ;

    Abstract : Detta examensarbete är en del av ett EU-LIFE projekt, ‘Short circuiting the carbon andnutrient cycle between urban and rural districts by establishing three new systems for sourceseparation, collection and composting of organic waste in the greater Copenhagen area’, ivilket KTH och KVL samarbetar tillsammans med kommersiella aktörer i Danmark. Denhuvudsakliga målsättningen med Short-Circuitprojektet är att optimera en strategi för hur näringsämnen och organiskt kol kan återvinnas ur organiskt avfall. READ MORE