Essays about: "rötrester"

Showing result 1 - 5 of 8 essays containing the word rötrester.

  1. 1. Profitability of optimizing biogas production in dairy farms : an experimental case study of a Swedish dairy farm´s usage of nitrogen in digestate as a nutrient resource for crop production

    University essay from SLU/Dept. of Economics

    Author : Nils Hermansson; Albin Åkerblom; [2023]
    Keywords : biogas; optimization; profitability; economic effects; organic; conventional; agriculture; dairy farms; digestate; nitrogen; biogas; optimering; lönsamhet; ekonomiska effekter; ekologiskt; konventionellt; lantbruk; mjölkgårdar; rötrester; kväve;

    Abstract : Biogas has the potential to be a contributor to sustainable energy for electricity, fuel, and heating. Because of that, there are different alternatives for biogas plants. In this study, a farm-based biogas plant for electricity production has been of interest. READ MORE

  3. 2. Ogräsfrönas överlevnad i biogasanläggningar : en litteraturgenomgång och ansats till metaanalys

    University essay from SLU/Dept. of Crop Production Ecology

    Author : Elin Strömberg; [2023]
    Keywords : anaerobisk nerbrytning; biogas; biogasreaktor; biogödsel; dödlighet; frö; ogräs; retentionstid; rötning; rötrest; rötslam; substrat; temperatur; överlevnad;

    Abstract : Sveriges energibehov 2020 var 508 TWh och av det är kärnkraft, biobränsle, olja och vattenkraft de viktigaste energislagen. På grund av att biogasproduktion har ett netto noll utsläpp har regeringen har valt att investera 40% av klimatklivets budget till dessa projekt. READ MORE

  4. 3. Anaerobic digestion in continuous stirred tank reactors and plug flow reactors: : Comparison study concerning process performance

    University essay from KTH/Kemiteknik

    Author : Zeko Kocak; [2022]
    Keywords : Anaerobic digestion; municipal waste; continuous stirred tank reactor; plug flow reactor; biogas; Anaerob rötning; kommunalt avfall; kontinuerlig omrörd tankreaktor; pluggflödesreaktor; biogas;

    Abstract : Användningen av kommunalt avfall för att producera förnybar energi, huvudsaklig biogas, uppfyller 8 av Sveriges 16 miljökvalitetsmål. Två typer av rötningsprocesser som används är kontinuerligt omrörda tankreaktorer (CSTR) och pluggflödesreaktorer (PFR). READ MORE

  5. 4. Can organic waste provide sustainable fuel and energy in Rio de Janeiro? : An Early Assessment of waste-based biogas solutions in Rio de Janeiro, Brazil

    University essay from Linköpings universitet/Industriell miljöteknik

    Author : Jesper Lindmark; Lundqvist Oscar; [2019]
    Keywords : biogas; potential; feasibility; performance; environmental; economic; biogas solution; biogas solutions; waste-based; early assesment; multi-criteria framework; biogas; potential; genomförbarhet; prestanda; miljömässig; ekonomisk; biogaslösningar; hållbar utveckling;

    Abstract : Sustainable waste management remains a great challenge for many cities throughout the world. Landfilling is worldwide the most common way of treating municipal solid waste (MSW) and landfilling of organic matter releases the high potent gas methane, which contributes to global warming. READ MORE

  6. 5. Risk för spridning av ogräsfrö med rötrester : en litteraturstudie

    University essay from SLU/Dept. of Crop Production Ecology

    Author : Anna Hansander; [2012]
    Keywords : weed; seed; viability; germinability; biogas;

    Abstract : With an increasing production of biogas follows an increased amount of digestate. This could potentially be a valuable source of fertiliser with the destruction of weed seeds as a possible advantage. However, there have been some concerns regarding the product still containing viable seeds of weed. READ MORE