Essays about: "forest residue"

Showing result 6 - 10 of 35 essays containing the words forest residue.

  1. 6. Fields of Dreams: Scenarios to Produce Selected Biomass and Renewable Jet Fuels that Fulfill European Union Sustainability Criteria

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Torry van Slyke; [2019]
    Keywords : aviation biofuel; Camelina sativa; forestry residues; land use change; Renewable Energy Directive; sustainable development;

    Abstract : Aviation greenhouse gas (GHG) emissions have risen faster than any other transport sector to double between 1990 and 2005. Such emissions from aviation could increase another 700 percent globally, and at least 150 percent in the European Union (EU), by 2050 due to continuously increasing consumer demand. READ MORE

  3. 7. Will substituting fossil fuels with biofuels lead to a net reduction in CO2 emissions? : The case of district heating in Norrköping municipality

    University essay from Stockholms universitet/Institutionen för naturgeografi

    Author : Stina Ljungberg; [2018]
    Keywords : Forest residue; slash; bio-based economy; sustainable energy; Grot; biobaserad ekonomi; hållbar energi;

    Abstract : With global warming and the international, national and local goals of reducing greenhouse gas net emissions, the phasing out of fossil fuels are of great importance. One energy source resulting in nearly no net emissions are biofuels. READ MORE

  4. 8. GROT-skotning med rundvirkesskotare och GROT-skotare, en jämförande studie

    University essay from SLU/Department of Forest Biomaterials and Technology (from 131204)

    Author : Daniel Frisch; [2018]
    Keywords : grotskotning; ekonomi; produktivitet; klämbanksrede; vinst; kostnad; tidsåtgång; Ponsse;

    Abstract : Skotning av grot (avverkningsrester; grenar och toppar) är vedertaget inom skogs-bruket sedan 1980-talet. Många olika system har genom åren använts för ändamålet, men det saknas en sammanställning av systemen. Dessutom har grotskotningen sedan 2012 minskat i Sverige tack vare alternativa bränslekällor som används i värmeverk. READ MORE

  5. 9. Influence of logging residues on MeHg accumulation in soil

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Axel Blomgren; [2018]
    Keywords : Mercury methylation; Forestry; Dissolved organic matter; Soil temperature; Soil water content;

    Abstract : Forestry has been found to increase the accumulation of methyl mercury (MeHg), a highly neurotoxic compound, in forest soils. However, little is known about how forestry influences catchment processes that governs the mercury (Hg) methylation process. READ MORE

  6. 10. Utilization of Forest Residue through Combined Heat and Power or Biorefinery for Applications in the Swedish Transportation Sector : a comparison in efficiency, emissions, economics and end usage

    University essay from KTH/Kraft- och värmeteknologi

    Author : Hanna Fogdal; Adrian Baars; [2017]
    Keywords : Biofuel; biodiesel; biomass; Combined Heat and Power plant; CHP plant; Fischer-Tropsch; gasification; forest to wheel; district heating; electric vehicles; EV; Stockholm; forest residue; LCA; Biobränsle; biodiesel; kraftvärme; elbilar; fjärrvärme; grot; skogsavfall; fossiloberoende fordonsflotta; förgasning;

    Abstract : Sweden has the goal of reaching a fossil independent transportation sector by 2030. Two ways to reach the goal is to increase the use of electric vehicles or produce more biofuels. Both alternatives could be powered by forest residue, which is an underutilized resource in the country. READ MORE