Uppsatser om fossil fuels
82 uppsatser · sida 5 av 6
En komparativ fallstudie med syfte att undersöka potentialen för koldioxidlagring i geologiska formationer och biologiska sänkor och dess förmåga att bidra till hållbar utveckling
Kandidatuppsats · Karlstads universitet
… (CO2) has accumulated rapidly in the atmosphere as a consequence of burning of fossil fuels and deforestation. The aim of this study is to explore two methods to store carbon dioxide in geological formations and biological sinks. The aim is also to discuss the two mitigation …
Energiförsörjning av passivhus med sol- och vindenergi
Examensarbete, grundnivå · Uppsala universitet
… more than what is sustainable, and the climate change due to the use of fossil fuels can be seen clearly. EU has specified goals, in order to stop further damage, which demand that every member state have to reduce its energy consumption by 20 % before 2020 and 50 % before 2050 …
Kandidatuppsats · KTH
… energy efficient but also use renewable energy resources instead of pollutant fossil fuels .Solar energy is one of the purest forms of energy that exists in abundant amounts, which is why it is most likely that it could come to play a major part in the future energy market. The …
Annons
Kandidatuppsats · KTH
… city of Stockholm’s main objectives is to have a society completely free from fossil fuels. To achieve this, several investments regarding improvements in energy efficiency and renewable energy are currently being planned or implemented. One of these investments is a project …
Fordonskamera för skadedokumentering
Högskoleuppsats
… plant, and 18-30 % for the Stirling system plant, depending on which of the fossil fuels that are replaced. The payback time of the investment is calculated to 17 years for the Stirling system plant and 18 years for the solar cell plant. Both types of solar power plants have …
Kandidatuppsats · KTH
… plant, and 18-30 % for the Stirling system plant, depending on which of the fossil fuels that are replaced. The payback time of the investment is calculated to 17 years for the Stirling system plant and 18 years for the solar cell plant. Both types of solar power plants have …
en jämförelse med en minskning av svinnet
Kandidatuppsats · KTH
… saved by completely eliminating food waste. The generated biogas can replace fossil fuels, but the required food waste contributes to increased greenhouse gas emissions as well as reduced bio diversity and eutrophication during the wasted food’s lifecycle. Thus, a reduced …
Med faunapassage
Högskoleuppsats · Umeå universitet
… around 4000 small-scale hydropower plants in operation in Sweden before cheap fossil fuels and uranium competed with them, in the current situation only 1,894 of these are in use. If slumbering small hydropower plants once again would be taken into use and some new ones are …
Kandidatuppsats · KTH
… significant part of the transportation sector’s energy demand is supplied by fossil fuels. Improving energy efficiency in combustion engines will result in reduction of fuel consumption and CO2 emissions. A modern internal combustion engine has an efficiency of 30-45 %, where …
a study on production conditions and international competitiveness
Masteruppsats · SLU
… European Union have adopted a range of measures to decrease the dependency on fossil fuels. This has led to an increased use of biomass in heat and power production. In some countries, the lack of forest resource has led to large scale power producers importing their biomass …
Kandidatuppsats · SLU
… and fish oil used in conventional fish feed includes a large consumption of fossil fuels with subsequent carbon dioxide emission. The aquaponic system can be made environmentally sustainable and self-supporting if supplemented with a vermicompost/vermiculture for the production …
soil carbon and yield modelling for crop rotations with rye
Magisteruppsats · SLU
… energy and protein yield, as well as straw and bio fuel potential to replace fossil fuels), weighted to find the best performing crop rotation with rye, and the best cultivation methods. As expected, use of biogas digestate had a strong positive effect on soil carbon. Crop …
Kandidatuppsats · Chalmers tekniska högskola
Combustion of fossil fuels is today the dominating source of energy. During combustion,carbon dioxide is formed. The carbon dioxide accumulates in the atmosphere,which raises the global average temperature on earth through the so called greenhouseeffect. The only way to reduce …
En studie, ur livscykelperspektiv, av energianvändning och växthusgasutsläpp
Masteruppsats · Karlstads universitet
… is an energy rich gas that can be used as vehicle fuel, as a replacement for fossil fuels. This handling of residues therefore has the potential for both energy gain and a reduction in greenhouse gas emissions. This report examines which management method of residues that is the …
Forskning och utveckling av vågkraft
Kandidatuppsats · Stockholms universitet
… an untapped source of renewable energy, wave energy. Thus reducing the need of fossil fuels and making it possible to reach the Swedish national environmental goals.
