Browsing Institutt for kjemisk prosessteknologi by Title
Now showing items 494-513 of 1777
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Effect of Mechanical Recycling on the Hydrolytic Degradation of PLA used in Food Packaging
(Master thesis, 2016)The demand for plastic continues to increase, and the search for sustainable solutions has become crucial for the large demand the world is facing today. The biopolymer polylactic acid (PLA) has generated special interest, ... -
Effect of Metal Oxides on Reaction Route and Product Distribution of Catalytic Cellulose Hydrogenolysis
(Peer reviewed; Journal article, 2023)The effects of CeO2, ZrO2, Nb2O5, and ZnO catalysts supported on carbon nanotubes (CNT) relative to cellulose hydrothermal hydrogenolysis in the presence of Ni/CNT and pressured H2 was studied in this work. The catalysts ... -
Effect of microwave drying, calcination and aging of Pt/Al2O3 on platinum dispersion
(Journal article; Peer reviewed, 2018)The effect of heating method employed for drying and calcination during the synthesis of 1 wt% Pt/Al2O3 catalyst was investigated. Conventional heating (CH) in resistive oven and microwave heating (MW) in single mode were ... -
Effect of oxide additives on the hydrotalcite derived Ni catalysts for CO2 reforming of methane
(Journal article; Peer reviewed, 2018)Here we provide new mechanistic and kinetic insights into the functions of oxides on Ni catalysts in methane dry reforming combining kinetic studies with density functional theory (DFT) calculations. Hydrotalcite derived ... -
Effect of Pregnant leach solution on Synergistic Solvent Extraction
(Master thesis, 2023)Battery recycling is gaining increased traction in today’s world for myriad reasons, with the chief ones being the dwindling availability of raw materials and heightened ecological consciousness. While there exist certain ... -
The Effect of Reaction Conditions and Presence of Magnesium on the Crystallization of Nickel Sulfate
(Peer reviewed; Journal article, 2021)Recycling of valuable metals such as nickel is instrumental to meet the need from the dramatic increase in electric vehicle battery production and to improve its sustainability. Nickel required in the battery manufacture ... -
Effect of Rh on Pd-based Three-Way Catalyst for Promotion of CH4 Steam Reforming under O2 Dithering Conditions
(Master thesis, 2021)I løpet av de siste årene har interessen for naturgass (NG, ~ 80 % CH4) som et alternativt drivstoff økt da dens forbrenning fører til lavere CO2- og partikkelutslipp sammenlignet med de tradisjonelle drivstoffene. ... -
Effect of Solvent Composition on Solvent Properties of Non-Aqueous and Low Aqueous Solvents
(Master thesis, 2018)The high amounts of CO2 emissions can be minimized by applying Carbon Capture and Storage (CCS) technology. Chemical absorption with amines, or amine scrubbing, is one of the available technologies. In this technology, a ... -
The Effect of Supersaturation and Additives on Calcium Carbonate Scaling at Mono Ethylene Glycol Pre-Treatment Conditions
(Master thesis, 2017)In this report the effect of supersaturation and additives on calcium carbonate scaling under mono ethylene glycol (MEG) pre-treatment conditions (T=80°C and 50 wt% MEG) have been studied. The additives used are magnesium ... -
Effect of the concentration of MAPA on the heat of absorption of CO2 and on the cyclic capacity in DEEA-MAPA blends
(Journal article; Peer reviewed, 2017)n this work, the heat of absorption of CO2 in aqueous blends of 2-(diethylamino)ethanol (DEEA) and 3-(methylamino)propylamine (MAPA) were measured as a function of CO2 loading at 40 °C, 80 °C and 120 °C. The main objective ... -
Effect of trace potassium on hydrogen adsorption and dissociation on hcp cobalt: A density functional theory study
(Journal article; Peer reviewed, 2018)Trace amounts of potassium (K) have a significant influence on the activity and selectivity of cobalt-based catalysts in Fischer–Tropsch synthesis (FTS), in which hydrogen adsorption and dissociation is one of the initial ... -
Effect of trace potassium on hydrogen adsorption and dissociation on hcp cobalt: A density functional theory study
(Journal article; Peer reviewed, 2019)Trace amounts of potassium (K) have a significant influence on the activity and selectivity of cobalt-based catalysts in Fischer–Tropsch synthesis (FTS), in which hydrogen adsorption and dissociation is one of the initial ... -
Effect of Uncertainties in Solvent Properties on the Techno-economic Performances of a CO2 Absorber
(Peer reviewed; Journal article, 2020)The use of computational models and simulation tools is vital for design and optimisation of CO2 absorption processes. When developing these tools, mathematical submodels such as models for physical properties and mass and ... -
The effect of upstream inlet choking and surfactant addition on the performance of a novel parallel pipe oil-water separator
(Peer reviewed; Journal article, 2020)This paper reports the effect of inlet choking and addition of surfactant on the performance of a parallel pipe oil-water separator. These two issues can have a strong effect on oil-water separation in real hydrocarbon ... -
Effect of Various Parameters on the Thermal Stability and Corrosion of CO2-Loaded Tertiary Amine Blends
(Peer reviewed; Journal article, 2020)In this study, the thermal stability and corrosivity of various CO2-loaded tertiary amine blends in both aqueous and non-aqueous form in stainless steel cylinders were studied for combined acid gas and water removal. The ... -
Effect of Water Interactions on Polyvinylamine at Different pHs for Membrane Gas Separation
(Journal article; Peer reviewed, 2017)In our previous work, it was shown that the separation performance of the fixed-site-carrier polyvinylamine (PVAm) composite membrane increases exponentially with increasing relative humidity content in the gas. Through ... -
Effect of water wash on mist and aerosol formation in absorption column
(Journal article; Peer reviewed, 2018)Environmental issues regarding solvent emissions can hamper the realization of state of the art post combustion CO2 capture (PCCC). These emissions stem from the emitted flue gas from which CO2 has been recovered and are ... -
Effective Prediction of Monthly Heat Transfer Characteristics in a Thin-Layer Cascade Reactor Subjected to Outdoor Conditions
(Journal article; Peer reviewed, 2022) -
Effects of controlled thawing media temperatures on quality and safety of pre-rigor frozen Atlantic cod (Gadus morhua)
(Journal article; Peer reviewed, 2018)Novel strategies for thawing of pre-rigor frozen Atlantic cod (Gadus morhua) in water with air circulation, applying different and controlled temperatures are presented. After thawing (day 0) and after six days of storage ... -
Effects of K adsorption on the CO-induced restructuring of Co(11-20)
(Journal article; Peer reviewed, 2017)The location of potassium (K) on Cobalt (Co) and its effect on adsorption and adsorption-induced surface restructuring is important for understanding the deactivation of Co Fischer-Tropsch catalysts and the nature of the ...