Master of Science in Energy and Environmental Technology: Nye registreringer
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Analysing biocarbon from pyrolysis in anaerobic digestion
(Master thesis, 2022)Anaerobic digestion is one of the efficient processes to manage solid waste. With this technology, waste converts to energy by producing biogas with high content of methane. Methane is an alternative to fossil fuels, ... -
Decomposition and characterization of Aqueous Pyrolysis Liquid
(Master thesis, 2022)Pyrolysis is one of the fastest methods for depolymerizing biomass macromolecules (i.e., cellulose and hemicellulose) into smaller molecular fragments (i.e., hydroxy acetaldehyde). Pyrolysis of biomass results in a two-phase ... -
Process Simulation, Dimensioning and Automated Cost Optimization of CO2 Capture
(Master thesis, 2022)The use of an amine solvent to remove CO2 from the exhaust gas is an established and well-studied technology. Available emission data from prior research on a natural gas-based power plant project at Mongstad, Norway, was ... -
Solar Power Electricity Production Correlated to Meteorological Data
(Master thesis, 2022)Photovoltaic (PV) power production predictions have gained immense popularity in recent years. More and more solar power connects to grids. Considering PV power dependency on various weather parameters, improvements in ... -
Modelling and Simulation of an Electrochemically Mediated Biofilm Reactor Biogas Upgrading
(Master thesis, 2022)Marzieh Domirani et al. (2021) had developed the mechanistic model with the implementation of integration of microbial electrosynthesis (MES) with anaerobic digestion (AD) technology for biogas upgrading. The model's ... -
Study of gasification behavior for a biorefinery lignin waste in a fluidized bed gasification reactor
(Master thesis, 2022)Sustainable energy supply and waste management are two of the major challenges of the present time. The proper utilization of the vast resource of renewable biomass is necessary for a sustainable civilization toward the ... -
Prediction of the acoustic effects of protective grill of axial flow fans based on noise emission of cylinders in cross flow
(Master thesis, 2022)In this study, the effects of the cross flow around the tandem cylinders on acoustic emissions were investigated. Over 1200 measurements of different configurations of the two cylinders were performed in the wind tunnel ... -
Framework for carbon footprint analysis of Scope 3 emissions
(Master thesis, 2022)To accelerate actions towards the goal of the Paris Agreement, new greenhouse gas (GHG) emission targets have been set by the European Union and Norway towards achieving climate neutrality by 2050. As a result, new legislation ... -
Life Cycle Assessment of Biogas Upgradation Using Microbial Electrosynthesis
(Master thesis, 2022)This thesis evaluates a life cycle assessment (LCA) framework for biogas upgradation. A study and evaluation were conducted by comparing high-pressure water scrubbing (HPWS) for biogas upgrading and integration of the ... -
The hazard of fragments in accidental H2-air explosions
(Master thesis, 2021)In this thesis were shown basic toolbox of blast estimation and hazards probabilities due to fragments, written in open-source programming language, Python. Used method in blast parameters calculation is easily appliable ... -
Modelling of hydrocarbon gas and liquid leaks from pressurized systems
(Master thesis, 2021)Safety is one of the most important aspects that should be guaranteed for all the employees of any industry. For oil and gas platforms, the first step will fall into the optimum design of depressurization systems for ... -
Analysing Aqueous Pyrolysis Liquid as feed for Anaerobic Digestion
(Master thesis, 2021)Lignocellulosic biomass contains cellulose and hemicellulose which makes it suitable for Anaerobic Digestion (AD) process. However, due to complexity of the lignocellulosic biomass, pretreatment methods should be used to ... -
Syngas Fermentation Catalyzed by Electroactive Biofilm
(Master thesis, 2021)This report describes an experiment conducted to see whether syngas fermentation could be integrated into the single-cell microbial electrosynthesis process. In some gasfermentation strategies, the primary bottleneck is ... -
Modeling of evaporation of hydrogen during accidental releases
(Master thesis, 2021)Hopefully, in the near future, liquid hydrogen will be commonly utilized as energy. The cleanest fuel that the primary limit of producing and using it, is safety issues. High possibility safety issues are generated by large ... -
Design of an Industrial Chlorination Reactor using CPFD Simulations
(Master thesis, 2021)Aluminum is now the world's second most used metal. Since aluminum has a unique combination of appealing properties and functionalities, it allows for significant energy savings in many applications, such as vehicles and ... -
Modelling temperature transition and co-digestion in VEAS biogas process
(Master thesis, 2021)Anaerobic digestion (AD) is a well-established way to stabilise concentrated sludge produced in wastewater treatment (WWT) plants. The benefit of the process is the production of biomethane and digestate that can be used ... -
Enhanced Digestate Nitrification in Sequencing Batch Reactors (SBR)
(Master thesis, 2021)The liquid fraction of digestates from anaerobic digestion contains a high concentration of Ammonium, which can be transformed into liquid “organic fertilizer”. Direct application of these digestates as fertilizer would ... -
CO2 capture by MEA solvent: Chemical Speciation models of CO2 derived species & total solvent alkalinity by multivariate data analysis of FTIR spectra from the CO2 Technology Centre Mongstad
(Master thesis, 2021)This study is the next step of ongoing research at University of South-eastern Norway (USN) to enable multivariate analysis for industrial scale capture process. This study has been done in collaboration with Technology ... -
Kalsinering i en elektrisk varmet drop tube kalsineringsreaktor
(Master thesis, 2021)I et moderne sement ovn-anlegg er det kalsinering av CaCO3 som er hovedårsaken til CO2 utslipp. Omtrent 70 % av CO2 gassen blir skapt ved kalsinering, mens resten kommer fra forbrenning av drivstoff. Elektrifisering av ... -
Calcination applying H2 combustion in O2 in a CO2 rich atmosphere
(Master thesis, 2021)The cement industry is one of the leading producers of anthropogenic greenhouse gases, the most important of which is CO2. Strong mitigation measures must be introduced to reduce substantial CO2 emissions from the cement ...