Essays about: "skogsavfall"

Showing result 1 - 5 of 6 essays containing the word skogsavfall.

  1. 1. 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

  3. 2. CLIMATE PERFORMANCE OF BIOFUELS : PRODUCED FROM FOREST RESIDUE HARVESTED IN SWEDEN

    University essay from KTH/Industriell ekologi

    Author : Elin Hellmér; [2016]
    Keywords : ;

    Abstract : Biofuels produced from forest residues are much discussed in a Swedish context, among other things due to concerns for climate change. However, the undertaking of climate performance calculations is not an exact science. READ MORE

  4. 3. Atmospheric reactivity of cyclic ethers of relevance to biofuel combustion

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Emelie Graham; [2015]
    Keywords : Ecosystem Science; Physical Geography; 2nd generation biofuels; furans; tropospheric chemistry; ozonolysis; atmospheric kinetics; computational chemistry; IR Spectroscopy; Atmospheric Science Biochemical Cycles; Earth and Environmental Sciences;

    Abstract : Biofuels are considered to be an environmental friendly alternative to fossil fuels as they have the potential to reduce the global emissions of greenhouse gases. Studies have showed that an increased use of ethanol could alter the atmospheric chemical composition and enhance urban ozone concentrations resulting in higher human mortality rates. READ MORE

  5. 4. Enzymatic Pretreatment of Lignocellulose Rich Waste for Improved Biogas Production

    University essay from Tema vatten i natur och samhälle; Filosofiska fakulteten

    Author : Carin Kvillborn; [2013]
    Keywords : Biogas; anaerobic digestion; lignin; laccase; versatile peroxidase; NMMO; Biogas; anaerob nedbrytning; lignin; laccase; versatile peroxidas; NMMO;

    Abstract : The present study aimed to investigate the methane yield from anaerobic digestion of a lignocellulosic substrate subjected to different pretreatments. The lignocellulosic forest residues materials were milled and then pretreated with the organic solvent NMMO (N-Methylmorpholine N-oxide) and/or the lignolytic enzymes laccase and versatile peroxidase at a dosage of 60 U g-1 total solids (TS) substrate. READ MORE

  6. 5. Preparation of Activated Carbon: Forest residues activated with Phosphoric Acid and Zinc Sulfate

    University essay from KTH/Skolan för kemivetenskap (CHE)

    Author : Daniella Birbas; [2011]
    Keywords : Activated carbon; Chemical activation; Forest residues; Phosphoric acid; Zinc Sulfate;

    Abstract : Activated carbon is a highly adsorbing material and has various scopes of uses depending on needs. It is used in many industries and applications e.g. to clean industrial wastewater, in medicine, discolor sugar and so on. READ MORE