Essays about: "forest residue"

Showing result 1 - 5 of 30 essays containing the words forest residue.

  1. 1. Influence of bio-coal ash respectively coal structure on coke production and coke quality

    University essay from Luleå tekniska universitet/Industriell miljö- och processteknik

    Author : Frida Bäck; [2019]
    Keywords : Bio-coke; bio-coal; leaching; coke quality; carbon structures; torrefied sawdust;

    Abstract : In recent years, the consequences of global warming have increased the discussion about the climate impact caused by humans and the fossil emissions. Sweden has decided to reduce the negative climate impact with a zero vision for the fossil carbon dioxide emissions in year 2045. READ MORE

  2. 2. 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. 3. 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. 4. 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. 5. 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