Uppsatser om biofuels
25 uppsatser · sida 1 av 2
biobränslets och askans innehåll av tungmetaller relaterat till markernas geokemi
Examensarbete · SLU
Using biofuels from regeneration cuttings is becoming more common in Sweden. Ash from the combustion of biofuels contains many valuable nutrients and base cations. The Swedish Forest Agency recommends that ash should be recycled to clearings where biofuels have been removed, to …
en styrmedelsanalys
Examensarbete · SLU
… the legislative framework, with a 10 percent minimum for the market share of biofuels in 2020. Furthermore, the proposed target is binding for the member states, unlike the current voluntary target of 5.75 percent by 2010. More than doubling the usage of biofuels in only a bit …
en empirisk undersökning av svenskproducerade biodrivmedels påverkan på åkermarkens användning
Examensarbete, avancerad nivå · SLU
Increasing the use of biofuels is an important part of achieving the EU’s target of 10 percent renewable energy in the transport sector. However, the competition between biofuels and food production is an ongoing concern. Also, several studies have indicated a significantly …
Annons
a study of producers using forestry- or agricultural sector feedstock
Magisteruppsats · SLU
… an estimation of the current business situation for producers of liquid diesel biofuels in Sweden such as biodiesel, synthetic diesel and crude tall diesel and examine the forces of competition of the industry today and its future prospects. The study revealed that the rivalry …
En utvärdering av den svenska regeringens målbilder
Examensarbete, avancerad nivå · Uppsala universitet
… government late in 2013. The use of alternative fuels for road transport, both biofuels and electricity, is expected to give the biggest contribution to the reduction of the use of fossil fuels. The inquiry sets up a number of goals for how much the use of alternative fuels must …
Examensarbete · SLU
… is to build two large burners, at Örtofta, that’s going to be supplied with biofuels. In this study I take a closer look on the profitability when you choose to sell your cereal as bioenergy. I’ve been calculating with selling the straw from the grain crops and winter rape …
Kandidatuppsats · KTH
… has been implemented. The main aspect of this report is the availability of biofuels and whether it would be economically sustainable. Sweden’s most common biofuels are examined with regard to scope of use and potential. In the economic analysis the investments and variable …
Magisteruppsats · SLU
The contribution of biofuels to the total consumption of energy in Sweden must increase to 49 % in order to meet the goals for the year 2020 set by the European Union. In order to do so, improved information systems are needed to support the business processes within delivery …
Examensarbete, avancerad nivå · SLU
… has been developed focusing either on electricity generation or production of biofuels. GHG-emissions of year 2050 have been calculated using the software LEAP. The conclusion is that bioenergy, depending on how it is integrated in the energy system, may reduce greenhouse gas …
Teoretisk analys och praktisk försök
Magisteruppsats · Växjö universitet
… at high temperatures. The suggested system gives opportunities to introduce biofuels in new areas. Main components in the suggested system is a heat radiating combustion chamber intended for pulverized wood, combined with regenerators to extract heat from flue gases and …
Examensarbete, avancerad nivå · SLU
As demand for renewable energy is increasing rapidly, the market for biomass pellets is expected to continue to grow in the near future. Most of the new raw materials that are discussed for pellet production have one thing in common; the production costs will increase compared …
Magisteruppsats · SLU
Tomo Hugglink (TOMO Skog) is an innovation for harvest and transport of biofuels. The system consists of a truck, a chipping unit and crane mounted on a link and a wood chip trailer. The system works in such a way that the chipping unit is disconnected and placed on the site and …
Magisteruppsats · SLU
… energy and climate debate. In 2008, the energy supply of Sweden was 612 TWh, biofuels accounted for 123 TWh of these. Stumps have been highlighted as a potential fuel in recent years and the Swedish Forest Agency expects a technically and biologically feasible potential of 20.7 …
ett hållbart tankande eller ett kortsiktig tänkande?
Kandidatuppsats · SLU
… of the study along with a literature review that provides an overview of biofuels and ethanol. The results of the study show that ethanol is highly a subject to competition of other fuels and that there is great uncertainty about the ethanol as fuel. Today, more consumers choose …
Magisteruppsats · SLU
Biofuels are getting more important as EU plans to replace fossil fuels with renewable energy sources. Because of that Sveaskog has chosen to invest in developing the handling process of logging residue. The company has a joined organisation for handling both round wood and …