Essays about: "biodiesel production"

Showing result 21 - 25 of 67 essays containing the words biodiesel production.

1. 21. Biodiesel and Hydrogen Production : A Study of Nostoc sp. in Pulp and Paper Wastewater

   University essay from Umeå universitet/Institutionen för tillämpad fysik och elektronik

   Author : Duane Kimani; [2016]
   Keywords : Bioenergy; Hydrogen Production; Biodiesel; Cyanobacteria; Wastewater treatment;

   Abstract : The modernized world is over-consuming low-cost energy sources that strongly contributes to environmental stress. As a consequence, the interest for environmentally friendly alternatives has increased immensely. One such alternative is utilizing the diazotrophic nature of the heterocystous filamentous cyanobacteria Nostoc sp. READ MORE

3. 22. PERFORMANCE EVALUATION OF CASTOR BIODIESEL AND PETRO DIESEL BLENDS WITH DIETHYLEETHER ADDITIVE

   University essay from Högskolan i Gävle/Avdelningen för bygg- energi- och miljöteknik

   Author : Feleke Tesfaye; [2016]
   Keywords : Feleke; Tigist; Kalkidan;

   Abstract : The focus of this research was pointed at exploring technical feasibility of castor biodiesel with and without diethyl ether additives in direct injection compression ignition engines without any substantial hardware modifications. In this work, the methyl ester of castor oil with and without additives was investigated for its performance as a diesel engine fuel. READ MORE

4. 23. Catalytic Hydrothermal Liquefaction of Waste Sludge : A Pre-study with Model Compounds

   University essay from Luleå tekniska universitet/Institutionen för teknikvetenskap och matematik

   Author : Petter Lundqvist; [2016]
   Keywords : Hydrothermal; liquefaction; waste sludge; black liquor;

   Abstract : The use and research of renewable fuels has become more important due to the connection between climate changes and the use of fossil fuels. With risks of decline in petroleum production derived from fossil fuels due to limitation of resources in the future, the renewable fuels are even more important in the transport sector. READ MORE

5. 24. Assessment of financial risk in renewable biodiesel firms

   University essay from Umeå universitet/Företagsekonomi

   Author : Tobias Vahlström; Adnan Cavka; [2015]
   Keywords : renewable biodiesel; financial risk;

   Abstract : Energy consumption in the transport sector is expected to increase substantially over the coming decades. The uncertainty in the forecasts are relatively high regarding the size of the increase but reports from the US Energy Information Administration (EIA) points to an increase of 56 percent between 2010 and 2040 (IEO2013, 2013, p. 9). READ MORE

6. 25. Evaluation of the potential for co-gasification of black liquor and biofuel by-products : An experimental study of mixing and char reactivity

   University essay from Umeå universitet/Institutionen för tillämpad fysik och elektronik

   Author : Gustav Häggström; [2015]
   Keywords : gasification; co-gasification; black liquor; crude glycerol; fermentation residue; förgasning; samförgasning; svartlut; råglycerol; fermentationsrest;

   Abstract : The increased use of fossil fuels during the last centuries has caused elevated levels of carbon dioxide in the atmosphere. There is significant evidence that this is the cause of global warming. To mitigate the global warming, measures has to be taken to use renewable fuels and make processes more efficient. READ MORE