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Showing result 16 - 20 of 25 essays matching the above criteria.
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16. Biochar: a win-win-win solution for sustainable small-scale farming in Sweden?
University essay from Lunds universitet/Miljövetenskaplig utbildningAbstract : Biochar is a recalcitrant carbon rich solid product widely praised for the ability to improve soil fertility and sequester carbon, thereby improving crop yields and mitigating climate change. In addition to this, gaseous by products from production can be combusted for energy. READ MORE
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17. Coke characterization on HZSM-5, Fe/ZSM-5, Ni/ZSM-5, and Fe-Ni/ZSM-5 from Catalytic Fast Pyrolysis of Biomass
University essay from KTH/Skolan för kemi, bioteknologi och hälsa (CBH)Abstract : The combustion of fossil fuels has for a long time been a problem from an environmental and sustainability point of view, especially when it comes to the emissions of atmospheric carbon dioxide. The environmental concern has for instance shifted the attention towards finding new sustainable alternatives for producing chemicals and fuels, as a substitute to today’s dependence on fossil based crude oil. READ MORE
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18. Hydrodeoxygenation of Pyrolysis Oil: Comparing an Iron-based Catalyst with Dolomite
University essay from KTH/Skolan för kemivetenskap (CHE)Abstract : This thesis evaluates the possibility to use a iron-based catalyst as a pyrolysis vapour conversion catalyst. The iron catalyst was also compared with the mineral dolomite. READ MORE
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19. Catalytic fast pyrolysis of softwood under N2 and H2 atmosphere
University essay from KTH/Energi- och ugnsteknikAbstract : Bio-oil generated from biomass is becoming one of the most promising alternatives as potential energy sources to replace fossil fuels in the transportation sector. Fast pyrolysis of biomass is one of the most economically feasible ways to produce bio-oil according to recent research on thermochemical conversion of biomass. READ MORE
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20. De-polymerization and Purification of Kraft Lignin Utilizing the Liquid-Lignin Phase
University essay from Lunds universitet/Kemiteknik (CI)Abstract : The effects of global warming are apparent and the work towards a sustainable future is underway. In order to reduce the environmental impact caused by the transportation sector, a transition from fossil fuels to those based on renewable resources are important. Using agricultural land to produce raw materials, e.g. READ MORE