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Development of membrane materials for a membrane contactor
(Doctoral theses at NTNU;2017:88, Doctoral thesis, 2017)International Energy Agency reports a continued increase in global use of natural gas in World Energy Outlook 2016. A large part of the total gas reserves has high amounts of one or both of the acid gases carbon dioxide ... -
Development of Membrane Materials for Gas-liquid Membrane Contactors for CO2 Capture from Natural Gas
(Master thesis, 2013)In this work, membrane materials are developed with the purpose to be used in a gas-liquid membrane contactor for CO2 capture from natural gas. The amine, methyl diethanolamine (MDEA), is to be used in the liquid phase as ... -
Development of Mimic Enzyme-based Membrane and Membrane Contactor for CO2 Capture
(Doctoral thesis at NTNU;2015:231, Doctoral thesis, 2015)Emission of greenhouse gases especially CO2 has become a major environmental issue. In order to control and reduce the CO2 emissions, carbon capture and storage (CCS) is an important tool. Post combustion CO2 emission ... -
Development of Mixed Matrix Membranes for Carbon Dioxide Capture
(Doktoravhandlinger ved NTNU, 1503-8181; 2014:73, Doctoral thesis, 2014)Global warming is one of the world’s major environmental issues. Reduction of greenhouse gas emissions by the capture of carbon dioxide from flue gas is one out of different kinds of methods to try to address this problem. ... -
Development of Mixed Matrix/Nanocomposite Membranes for Gas Separation
(Doktoravhandlinger ved NTNU, 1503-8181; 2013:103, Doctoral thesis, 2013) -
Development of novel nanocomposite membranes and facilitated transport membranes for CO2 capture
(Doctoral theses at NTNU;2019:381, Doctoral thesis, 2019)The implementation of Carbon Capture and Storage (CCS) is a critical action to reduce the CO2 emissions from power production and industrial sources and thereby reach the 2 °C target of the Paris Agreement. There are several ... -
Development of Novel PVAm/PVA Blend FSC Membrane for CO2 Capture
(Doktoravhandlinger ved NTNU, 1503-8181; 2009:138, Doctoral thesis, 2009)As membrane technology is energy-saving, environment-friendly and at lowcost with a small footprint, it has great potential to become a green and efficient CO2 separation technology. Membranes with both high CO2 permeance ... -
Development of Polyethylenimine (PEI)-impregnated mesoporous carbon spheres for low-concentration CO2 capture
(Journal article; Peer reviewed, 2020)A novel low-concentration CO2 capture material (PEI/MCS) was developed by loading polyethylenimine (PEI) over mesoporous carbon spheres (MCS) with high porosity. The effects of pore structure, PEI loading, capture temperature, ... -
Development of Solvent Degradation Models for Amine-Based CO2 Capture
(Doctoral theses at NTNU;2024:54, Doctoral thesis, 2024)Carbon capture and storage can be essential for achieving short-term emission reductions to reach climate goals and realizing the decarbonization of hard-to-abate sectors in the future. Aside from logistical and political ... -
Development of Structural Characterization Methods for Polyvinyl Alcohol (PVA)/Nanocellulose Composite Membranes
(Master thesis, 2016)Structural characterization of polyvinyl alcohol (PVA)/nanocellulose films by scanning electron microscopy (SEM) generally only provides an qualitative estimate of how well the nanocellulose is distributed, and is not ... -
Development of Visible Light-Responsive Photocatalysts for Hydrogen Production from Glycerol
(Master thesis, 2016)Different catalyst preparation methods were performed. In the case of TiO2, the cocatalyst was deposited on commercial TiO2-P25 by wet impregnation. Cu-loaded and Pt-loaded TiO2 was achieved by calcination in static air ... -
Different shaped hybrid nanocarriers for theranostic applications
(Master thesis, 2016)Nanomaterials have gained a lot of attention in the past few decades as potential candidates for biomedical applications. They are being used as smart drug delivery vehicles among other applications such as wound dressing, ... -
A Diffusion Model to Quantify Membrane Repair Process in Listeria Monocytogenes Exposed to High Pressure Processing based on Fluorescence Microscopy Data
(Peer reviewed; Journal article, 2021)The effects of environmental stresses on microorganisms have been well-studied, and cellular responses to stresses such as heat, cold, acids, and salts have been extensively discussed. Although high pressure processing ... -
Direct dimethyl ether synthesis from synthesis gas: The influence of methanol dehydration on methanol synthesis reaction
(Journal article; Peer reviewed, 2016)Direct dimethyl ether (DME) synthesis from synthesis gas is studied with regard to potential effects of methanol dehydration on methanol formation and copper-based catalyst performance. For this, the influence of the ... -
Direct hydrogenation of carbon dioxide to methanol: Systematic generation of multi-stage designs
(Peer reviewed; Journal article, 2023)Commercial methanol catalysts based on Cu/ZnO/Al2O3 are less effective applied to direct hydrogenation of CO2 to methanol. The main reason is that the catalyst deactivation increases with the water pressure and temperature, ... -
Direct Lithium Extraction from Lithium-Ion Batteries of Electrical Vehicles
(Master thesis, 2023)Litium-ion-batterier har dominert elbilmarkedet som et resultat av deres høye energitetthet og gode elektrokjemisk ytelser. Den økende etterspørselen etter litium-ion-batterier er i stor grad drevet av elektrifiseringen i ... -
Direct Non-Oxidative Conversion of Methane to C2 Hydrocarbons, Aromatics and Hydrogen
(Master thesis, 2017)Catalytic activity of Fe/HZSM-5 and Mo/HZSM-5 during methane dehydroaromatization was investigated. The catalysts were prepared by wet impregnation method, calcinated in air flow, tested in laboratory reactor and characterized ... -
Direct Nonoxidative Conversion of Methane to C2 Hydrocarbons, Aromatics and Hydrogen
(Master thesis, 2016)Natural gas contains a large quantity of methane that is valuable as a fuel source. However, it can also be converted to light olefins, but the present synthesis route includes the conversion into synthesis gas. This is ... -
Direct Synthesis of Dimethyl Ether in Microstructured Reactors
(Doktoravhandlinger ved NTNU, 1503-8181; 2011:81, Doctoral thesis, 2011) -
Direct Synthesis of Dimethyl Ether in Microstructured Reactors: The Interactions Between Methanol Synthesis and Methanol Dehydration
(Doctoral thesis at NTNU;2016:179, Doctoral thesis, 2016)The growing concerns about the climate change, energy security and the diminishing oil reserves, stimulate the search for alternative energy sources and non-petroleum-based fuels. Natural gas in the short-term, and biomass ...