Sökning: "Forest fuel"

Visar resultat 11 - 15 av 121 avhandlingar innehållade orden Forest fuel.

  1. 11. Bioenergy from the Swedish forest sector : a partial equilibrium analysis of supply costs and implications for the forest product markets

    Författare :Mattias Carlsson; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

    Sammanfattning : As a response to policy requirements to improve energy security, and to reduce greenhouse gas emissions, the use of bioenergy in Sweden has more than doubled since 1980. In 2008 bioenergy use in Sweden amounted to 108 TWh, or 18% of the total supply of primary energy. Nearly all of this bioenergy supply originates from the domestic forest sector. LÄS MER

  3. 12. Wood fuel markets in Northern Europe : price formation and internationalization

    Författare :Olle Olsson; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

    Sammanfattning : High fossil fuel prices and ambitions to reduce greenhouse gas emissions have increased demand for renewable energy and are changing wood fuel market structures. Wood fuels are to a rapidly growing degree used in industrial proportions and traded in commercial markets. LÄS MER

  4. 13. Biomass Potential for Heat, Electricity and Vehicle Fuel in Sweden

    Författare :Peter Hagström; Bengt Hillring; Per Olov Nilsson; Leif Gustafsson; Paul Mitchell; Skogsmästarskolan Sveriges lantbruksuniversitet; []
    Nyckelord :LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; bioenergy potential; biomass potential; cost analysis; emergy; energy analysis; energy scenarios; systems analysis; thermochemical conversion; SRA - Energy; SRA - Energi;

    Sammanfattning : The main objective of this thesis was to determine how far a biomass quantity, equal to the potential produced within the Swedish borders, could cover the present energy needs inSwedenwith respect to economic and ecological circumstances. Three scenarios were studied where the available biomass was converted to heat, electricity and vehicle fuel. LÄS MER

  5. 14. Felling Forests from Afar: Quantifying Deforestation Driven by Agricultural Expansion and International Trade

    Författare :Florence Pendrill; Chalmers tekniska högskola; []
    Nyckelord :LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Forest transitions; Land cover; Carbon footprints; Agriculture; Forestry; Carbon emissions; Land use; International trade; Deforestation;

    Sammanfattning : Deforestation is a major source of human-caused greenhouse gas emissions and the largest threat to terrestrial biodiversity. Most forest loss is due to the expansion of agricultural land use increasingly driven by international demand for food, fuel and fibre. LÄS MER

  7. 15. Climate impact of the sustainable use of forest biomass in energy and material system : a life cycle perspective

    Författare :Sylvia Haus; Johan Bergh; Bishnu Chandra Poudel; Krushna Mahapatra; Göran Berndes; Linnéuniversitetet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; forest residues; fossil fuel substitution; forest management; radiative forcing; land use change; climate change; bioenergy; Bioenergiteknik Energi- och Miljöteknik; Bioenergy Technology; Byggteknik; Civil engineering;

    Sammanfattning : Human society releases greenhouse gas emissions to the atmosphere while providing housing, heat, mobility and industrial production. Man-made greenhouse gas emissions are the main causes of climate change, coming mainly from burning fossil fuels and land-use changes. LÄS MER