Uppsatser om fuels
140 uppsatser · sida 3 av 10
Högskoleuppsats · Linnéuniversitetet
Fossil fuels are affecting our climate negatively and there is a limited amount of them in the world, which leads to the importance of finding alternative fuels. One alternative is biogas, which is produced though a digestion process of different organic materials in a …
Jämförelse av färska, stuklagrade samt ensilerade betor i laboratorieskala
Magisteruppsats · Högskolan i Halmstad
Fossil fuels are affecting our climate negatively and there is a limited amount of them in the world, which leads to the importance of finding alternative fuels. One alternative is biogas, which is produced though a digestion process of different organic materials in a …
Högskoleuppsats
… In the present situation all of Tarawa’s electricity is generated by fossil fuels. Tarawa is located at the equator in the Pacific Ocean and has geographical as well climatically conditions for the installation of an OTEC facility. There are three different types of systems …
Kandidatuppsats · KTH
… In the present situation all of Tarawa’s electricity is generated by fossil fuels. Tarawa is located at the equator in the Pacific Ocean and has geographical as well climatically conditions for the installation of an OTEC facility. There are three different types of systems …
- Ett initiativ till utveckling av bränsleceller i Sverige
Kandidatuppsats · KTH
… important, and we have begun to realize that we can not continue to use fossil fuels at the rate we do. When it comes to generating electricity we are constantly trying to come up with cleaner and more efficient solutions. The fuel celltechnology is one such alternative and has …
Klarläggande av framtida hållbarhet
Kandidatuppsats · KTH
… manufacturers must work to develop new engine solutions to new kinds of fuels to replace fossil fuels. A fuel that could be applied is hydrogen. When hydrogen is combusted only water vapor occurs. Hydrogen is known to be explosive and flammable. These properties are both good …
Kandidatuppsats · Karlstads universitet
… is facing major challenges. In order to reduce the climate impact fossil fuels should be replaced with fuels that do not contribute to the greenhouse effect. The growing population generates organic waste originating from industry and households so called organic fraction of …
Kandidatuppsats · Högskolan i Gävle
… energy consumption in the world has created an increased supply of various fuels, especially fossil fuels. The Swedish government has set up various energy targets for 2020. To reach these goals it’s important to increase the energy efficiency in local buildings such as schools …
En systemanalys av Solna Stads matavfallsprocess
Kandidatuppsats · KTH
… through over-exploitation of natural resources and extensive usage of fossil fuels. Now more than ever, we need to embrace a recycle thinking and reuse our waste, for example through producing biogas from our food waste. The purpose of this report was therefore to identify the …
Masteruppsats · Linköpings universitet
… January 2015, a new EU directive enters into force which regulates the allowed fuels for vessel transports. This directive leads to an increase in cost for vessel transports due to more expensive fuels needing to be used to comply with the new rules. Therefore, Holmen Paper is …
Magisteruppsats · Lunds universitet
… increased exponentially. The main source is the extensive burning of fossil fuels. If the amount of carbon dioxide in the atmosphere grows even more it will increase the greenhouse effect and cause global climatic change. Fortunately, there is a ”missing sink” slowing down the …
en brandhistorisk analys med förslag för framtida skötsel
Examensarbete · SLU
… fire borders that can be strengthened by watering or burning-out of the fuels ahead of the approaching fire. To maintain the historic average fire interval of between 136 and 210 years, an average of 34 to 53 hectares of coniferous forest must burn every year in the National …
Examensarbete · SLU
… Literature studies on the subject resulted in a hypothesis saying that bio fuels from soils with high clay content are most likely to cause deposit growth in biomass fired boilers, because of their rich content of nouris hment such as for example potassium. To confirm or reject …
en undersökning av större biobränsleanvändares syn på biobränslemarknaden i Västerbotten
Examensarbete · SLU
… that this increase will continue and that there will be a need for more fuels from the forests. All companies welcome more bio energy producers, as that would encourage competition that would result in better prices for the companies. The interviewed companies in Västerbotten …
marknadsföringsstrategier för Svenska FSC
Examensarbete · SLU
… of Nepal is disappearing. Deforestation, together with the burning of fossil fuels, is also one of the reasons for the increasing greenhouse effect. Another relatively unknown problem for the world’s forests is the trade with illegally harvested timber. From an increasing …