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The potential of TEMPO-oxidized cellulose nanofibrils as rheology modifiers in food systems
(Journal article; Peer reviewed, 2019)Cellulose nanofibrils (CNFs) have been proposed for use in low-fat food products due to their availability and excellent viscosifying and gel forming abilities. As the CNFs are negatively charged, the presence of other ... -
The potential of zero total charge and electrocatalytic properties of Ru@Pt core-shell nanoparticles
(Journal article; Peer reviewed, 2019)Electrocatalysis of the oxygen reduction reaction (ORR), oxidation of carbon monoxide, and the methanol oxidation reaction (MOR) are all critical to the performance of direct-methanol fuel cells (DMFC). In this work we ... -
The relevance of acidic groups and metal ions in the production and end use of super-calendered (SC) magazine paper
(Doctoral thesis at NTNU;2014:283, Doctoral thesis, 2014)In this thesis, clay-induced discolouration of mechanical pulp and the electrostatic properties of supercalendered (SC) magazine paper have been investigated. New knowledge has been established in both areas. It was shown ... -
The role of carbon supports in platinum catalyzed hydrogenation/ dehydrogenation model reactions
(Doctoral thesis at NTNU;2015:221, Doctoral thesis, 2015)giving a higher turnover frequency, the propane dehydrogenation reaction over Pt supported on carbon black was less susceptible to deactivation in experiments without co-fed hydrogen, indicating that the carbon black ... -
The role of H2S addition on Pt/Al2O3 catalyzed propane dehydrogenation: a mechanistic study
(Journal article; Peer reviewed, 2019)Introducing sulfur species into Pt catalysts has been proven to be an effective method to improve their performance in various reactions. However, the role of sulfur addition on Pt catalysts catalyzing propane dehydrogenation ... -
The Salting-out Effect in Some Physical Absorbents for CO2 Capture
(Journal article; Peer reviewed, 2018)The solubility of CO2 in organic solvents N-methyl-2-pyrrolidone (NMP), methanol and monoethylene glycol (MEG) at 30 °C was measured together with its heat of absorption. The salts lithium nitrate (LiNO3), lithium chloride ... -
A theoretical and experimental investigation of batch oil-water gravity separation
(Peer reviewed; Journal article, 2023)Gravity separation of oil-water emulsions is an industrially crucial process. Mechanistic models for a batch separation process can immensely be beneficial by linking emulsion experimental characterization to optimal ... -
Thermal and Rheological Performances Evaluation of a Modified Biopolymer for Fracturing Fluid System
(Journal article; Peer reviewed, 2022)Developing an efficient fracturing fluid system is an enduring hot topic in the petrochemical industries, especially regarding the exploitation of limited oil. Biopolymers, especially polysaccharides (e.g., konjac gum, ... -
Thermal degradation on already oxidatively degraded solutions
(Journal article; Peer reviewed, 2013)CO2 capture with alkanolamines has been in use since 1930, where 2-ethanolamine (MEA) is the most studied absorbent for post-combustion. In order to prevent degradation, it is important to understand the degradation ... -
Thermal degradation study by continuous thermal stability rig
(Master thesis, 2013)This investigation was done at NTNU and together with Statoil research and development department in Rotvoll, Trondheim to facilitate a new semi dynamic amine thermal degradation rig.This study was an initial attempt to ... -
Thermal oxidation of polyolefins by mild pro-oxidant additives based on iron carboxylates and lipophilic amines: Degradability in the absence of light and effect on the adhesion to paperboard
(Journal article; Peer reviewed, 2015)Marine and inland pollution by non-degradable plastic bags and other plastic articles is a topic of great concern. Natural degradation processes based on oxidation of plastic pollutants could possibly contribute to limit ... -
Thermal stability and corrosion of tertiary amines in aqueous amine and amine-glycol-water solutions for combined acid gas and water removal
(Journal article; Peer reviewed, 2018)Thermal stability and corrosion of seven tertiary amines (20 wt.%) solutions in water and water-glycol [ethylene glycol (MEG)/tri-ethylene glycol (TEG)] loaded with CO2 in stainless steel reactors has been studied for ... -
Thermo-Fluidic Characteristics of Two-Phase Ice Slurry Flows Based on Comparative Numerical Methods
(Journal article; Peer reviewed, 2019)Ice slurry is a potential secondary refrigerant for commercial refrigeration systems because of its remarkable thermal properties. It is necessary to optimize the heat transfer process of ice slurry to reduce the energy ... -
Thermodynamic Analysis of Heat and Mass Transfer Using Entropy Production Formalism
(Master thesis, 2015)The understanding of irreversible phenomena in the world around us is of great importance -- not only for the intrinsic value of such understanding, but also for the industrial applications and technological benefits such ... -
Thermodynamic Insight in Design of Methanation Reactor with Water Removal Considering Nexus between CO2 Conversion and Irreversibilities
(Journal article; Peer reviewed, 2021)The inevitable nexus between energy use and CO2 emission necessitates the development of sustainable energy systems. The conversion of CO2 to CH4 using green H2 in power-to-gas applications in such energy systems has ... -
Thermodynamic modelling of unloaded and loaded N,N-diethylethanolamine solutions
(Peer reviewed; Journal article, 2016)Chemical absorption is a crucial step for several chemical processes such as ammonia production, coal gasification, methane reforming, ethylene oxide manufacturing and treatment of associated gas streams [1]. It is considered ... -
Thermodynamic models for CO2absorption
(Doktoravhandlinger ved NTNU, 1503-8181; 2010:130, Doctoral thesis, 2010)The most mature technology for capturing CO2 in industrial power generation processes is absorption by aqueous alkanolamines. These processes are governed with both phase and chemical equilibrium; the representation of ... -
Thermodynamically consistent vapor-liquid equilibrium modelling with artificial neural networks
(Journal article; Peer reviewed, 2023) -
Thermodynamics of an Empty Box
(Peer reviewed; Journal article, 2023)A gas in a box is perhaps the most important model system studied in thermodynamics and statistical mechanics. Usually, studies focus on the gas, whereas the box merely serves as an idealized confinement. The present article ... -
Thermodynamics of the carbon dioxide plus nitrogen plus methane (Co2 + N2 + Ch4) system: Measurements of vapor-liquid equilibrium data at temperatures from 223 to 298 K and verification of EOS-CG-2019 equation of state
(Journal article; Peer reviewed, 2019)Vapor-liquid equilibria (VLE) data of the ternary mixture of CO2 + N2 + CH4 were measured at the isotherms 223 K, 253 K, 273 K, 283 K, and 298 K and for pressures in the range of 0.8 MPa–9.3 MPa. The 62 experimental dew ...