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Biofuels - a contribution assessment for the global energy transition integrating aspects of technology, resources, economics, sustainability and alternative options
(2018)
Burning of fossil fuels is one of the main drivers accelerating the climate change. COP21 agreement adopted at the United Nations Climate Change Conference has addressed the climate change. In order to comply with the ...
CO2 reduction potential of renewable synthetic natural gas production using power-to-gas technologies : A case study for Scotland
(2018)
The purpose of this thesis work is to conduct a Life Cycle Assessment (LCA) regarding the potential for reduction of CO2 emissions from production of Synthetic Natural Gas (SNG) with Power-to-Gas (PtG) technology utilizing ...
Use of recycled nutrients in biological wastewater treatment
(2017)
In this master’s thesis, possibilities for using recycled nutrients in industrial wastewater treatment, as nutrient source, were studied. Possible sources for recycled nutrients found, were biogas plant’s reject water, ...
Profitability of ethanol production by gas fermentation from steel mill flue gases
(2017)
The aim of this master’s thesis was to study processing of syngas by gas fermentation for the conversion of steel mill waste gases into ethanol. At first, the process was studied through literature review which involves ...
Design of noise reduction cavity structures for additive manufacturing
(2016)
Passive acoustic mufflers have a vital role in controlling the transmission of airborne noise passing into the human living environment. The geometry of the air path affects the attenuation of sound due to absorption and ...
Vähähiilisen asumisen kehittäminen käyttäjän näkökulmasta
(2016)
Asumisen osuus Suomen vuosittaisista kasvihuonekaasupäästöistä on noin 15 %, joten myös kuluttajilla on merkittävä rooli tavoiteltaessa ilmastonmuutoksen hillitsemiseksi tarvittavia päästövähenemiä. Tässä diplomityössä ...
Systemic costs of renewable energy
(2016)
The EU energy policy targets to reduce the greenhouse gas emission are forcing the energy systems to transform towards carbon-neutrality and increasing energy efficiency. This is to be done through increasing the share of ...
Typenoksidipäästöjen vähentämisen kustannuslaskenta
(2016)
Kiristyvä ympäristölainsäädäntö aiheuttaa uusia haasteita energiantuotantosektorilla. Tässä työssä tutkitaan typen oksidien päästövähennykseen soveltuvien menetelmien kustannuksia ja niiden vaikutusta tuotannonsuunnitteluun. ...
Dynamic Modelling of Circulating Fluidized Bed Plant with Gas Turbine Repowering
(2016)
Increasing amount of renewable energy source based electricity production has set high load control requirements for power grid balance markets. The essential grid balance between electricity consumption and generation is ...
Prosessiteollisuuden sekoittimen elinkaariarviointi
(2015)
Työn tavoitteena oli tehdä elinkaariarviointi (LCA) prosessiteollisuuden sekoittimelle Helmix HF-80 ja analysoida LCA-tulokset, vaikutus ilmaston lämpenemisen potentiaalin (GWP) suhteen, sekä tutkia GWP-vaikutuksen ...