Sökning: "AD plants"

Visar resultat 11 - 15 av 17 uppsatser innehållade orden AD plants.

  1. 11. Start–up of a Thermophilic Digestion of Sewage Sludge from Mesophilic Conditions.

    Master-uppsats, KTH/Mark- och vattenteknik

    Författare :George Asimakopoulos; [2016]
    Nyckelord :;

    Sammanfattning : The purpose of this Master thesis is to study two different ways of start-up in anaerobic digesters under thermophilic conditions. As awareness for energy supply is growing, municipal waste water treatment uses a common treatment to stabilize sewage sludge which is called, anaerobic digestion (AD). LÄS MER

  3. 12. Instagram – vår tids hyperverklighet : En studie om hur små symbolförändringar påverkar konsumentens uppfattning av den hyperverklighet som marknadsförare försöker framställa i sociala medier

    Kandidat-uppsats, Högskolan i Gävle/Avdelningen för ekonomi

    Författare :Jenny Sjödin; Ksenia Barazi; [2016]
    Nyckelord :Visual marketing; emotional marketing; postmodernism; symbols; hyperreality; symbolic alterations; real estate ad; consumer.; Visuell marknadsföring; emotionell marknadsföring; postmodernism; symboler; hyperverklighet; symbolförändringar; bostadsannons; konsument.;

    Sammanfattning : Syfte: Vårt syfte med denna studie är att förstå hur små symbolförändringar påverkar konsumentens uppfattning av den hyperverklighet som marknadsförare försöker framställa på Instagram.   Metod: I denna studie har en kvantitativ undersökning genomförts. LÄS MER

  4. 13. Impact of Large Amounts of Wind Power on Primary Frequency Control : A technical and economic study

    Master-uppsats, KTH/Elektriska energisystem

    Författare :Nakisa Farrokhseresht; [2015]
    Nyckelord :;

    Sammanfattning : Renewable energy sources help reaching the environmental, social and economic goals of producing electrical energy in a clean and sustainable matter. Among the various renewable resources, wind power is assumed to have the most favorable technical and economic prospects and offers signicant potential for reducing greenhouse gas (GHG) emissions. LÄS MER

  5. 14. Diurnal variation in methane flux in a low-arctic fen in Southwest Greenland

    Master-uppsats, Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Författare :Bjarne Munk Lyshede; [2012]
    Nyckelord :geography; physical geography and ecosystem analysis; diurnal; methane; wetland; Arctic; Greenland; Earth and Environmental Sciences;

    Sammanfattning : Popular science: A Day in the Life of a Methane Bog Methane gas is continuously released from wetlands around the world. In Kobbefjord, Greenland the release of methane is low during the cold of winter and higher in warm summer months. But the amount released also varies from day to night; a pattern that has to do with both temperature and light. LÄS MER

  7. 15. Illustrative scenarios of biofuel policiesfor transport sector in a developingcountry; A case study of Zambia

    Master-uppsats, KTH/Energiteknik

    Författare :Moono Jambo; [2012]
    Nyckelord :Biofuel; bioethanol; biodiesel; environment; sustainability;

    Sammanfattning : The increasing demand for transportion fuels has led most countries around the world to look for alternatives to the predominant fossil fuels in the sector. Furthermore, the needs for security of energy supply, social – economic and sustainable development are among the factors driving the search for alternative fuels with regard to the fact that most oil producing countries are politically unstable. LÄS MER