Essays about: "Forest residue"

Showing result 16 - 20 of 35 essays containing the words Forest residue.

  1. 16. Influence of Potassium on Gasification Performance

    University essay from Högskolan i Borås/Akademin för textil, teknik och ekonomi

    Author : Hepa Rasol; [2016]
    Keywords : Biomass; pyrolysis; steam and CO2 gasification; fluidized bed reactor; alkali metals; reaction rate; reactivity; GC- MS; TGA; bio- char and bio- tar;

    Abstract : To release energy from chemically stored energy in the biomass was the new investigation in recent years. Utilizing of biomass for this purpose occur in two different ways, directly by burning (combustion) the biomass and indirectly by pyrolysis process which will convert the biomass to three main products, bio- tar, bio- char and synthetic gas. READ MORE

  2. 17. 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

  3. 18. Djur och urbana parker – ett kritiskt perspektiv : en studie i fem arters levnadsmöjligheter i Bulltoftaparken, Malmö

    University essay from SLU/Dept. of Landscape Architecture, Planning and Management (from 130101)

    Author : Viktor Mattsson; [2016]
    Keywords : djur; park; ekologi; fragmentering; barriäreffekt; grönstruktur; population;

    Abstract : En tilltagande urbanisering förändrar och ställer om landskapet dramatiskt. Inte bara stadsrummet i sig, utan även landet omkring präglas av dess hunger efter renlighet, ordning och struktur. READ MORE

  4. 19. Enhancing the production of biomethane : A comparison between GoBiGas process and new process of combining anaerobic digestion and biomass gasification

    University essay from Mälardalens högskola/Akademin för ekonomi, samhälle och teknik

    Author : Daheem Mehmood; [2016]
    Keywords : Aspen Plus; Biomethane; Biomass; Cold gas efficiency; GoBiGas process; Gasification; GoBiGas model;

    Abstract : In recent years, there is a rapid growing interest in the use of biomethane for the transport sector. A new method of combining anaerobic digestion and biomass gasification is proposed.The feasibility study shows that more biomethane can be produced; resulting in an increase in the revenue compared to individual biogas plants. READ MORE

  5. 20. Rötgas och termisk förgasning av GROT, en väg till ett fossilfritt Norrland : en ekonomisk utredning

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

    Author : Gustaf Bernström; Johannes Burgman; [2014]
    Keywords : nuvärdesmetoden; investeringskalkyl; present value; thermal gasification; biogas; investment calculation;

    Abstract : Sverige är idag i starkt beroende av importerade oljeprodukter för att driva de dagliga transporter som krävs för att samhället ska fungera. Kraftigt ökade priser på olja, eller en slopad internationell oljehandel skulle få ödesdigra konsekvenser för Sverige. READ MORE