Blar i Institutt for kjemisk prosessteknologi på tittel
Viser treff 45-64 av 1764
-
Accelerated climate aging of building materials and their characterization by Fourier transform infrared radiation analysis
(Journal article; Peer reviewed, 2012)Building materials and their durability and aging are essential to the performance of buildings and their building physical aspects over time. Accelerated climate aging investigations are carried out in order to study the ... -
Activation of Cobalt Foil Catalysts for CO Hydrogenation
(Peer reviewed; Journal article, 2022)CO hydrogenation has been studied on cobalt foils as model catalysts for Fischer–Tropsch (FT) synthesis. The effect of pretreatment (number of calcinations and different reduction times) for cobalt foil catalysts at 220 ... -
Active sites for the oxygen reduction reaction in nitrogen-doped carbon nanofibers
(Journal article; Peer reviewed, 2019)Understanding the role of iron and the nature of the active sites in nitrogen-doped carbon nanomaterials is vital for their future application as oxygen reduction electrocatalysts in fuel cells. In this paper, porphyrin-like ... -
Active sites of Pt/CNTs nanocatalysts for aerobic base-free oxidation of glycerol
(Peer reviewed; Journal article, 2019)Understanding the nature of Pt active sites is of great importance for the structure-sensitive base-free oxidation of glycerol. In the present work, the remarkable Pt particle size effects on glycerol conversion and products ... -
Activity and segregation behavior of Pd75%Ag25%(1 1 1) during CO oxidation – An in situ NAP-XPS investigation
(Journal article; Peer reviewed, 2022)The surface reactivity during CO oxidation over Pd(1 1 1) and Pd75%Ag25%(1 1 1) single crystals has been investigated using near ambient pressure X-ray photoelectron spectroscopy (NAP-XPS) under excess oxygen conditions ... -
Activity-based Kinetics of the Reaction of Carbon Dioxide with Aqueous Amine Systems. Case studies: MAPA and MEA
(Journal article; Peer reviewed, 2013) -
Adaptive Control for Severe Slugging Mitigation
(Master thesis, 2015)Offshore production facilities using pipeline-riser systems are experiencing terrain-induced cyclic flow instability due to its pipeline configuration and multiphased flow. The cyclic flow instability has been referred to ... -
Addition of potassium iodide reduces oxidative degradation of monoethanolamine (MEA)
(Peer reviewed; Journal article, 2021)We introduce the addition of stable salts to aqueous MEA as a way of inhibiting oxidative degradation reactions. We performed oxidative degradation studies in aqueous MEA containing sodium chloride (NaCl) and potassium ... -
Adsorption Microcalorimetry Studies on Supported Cobalt Catalysts
(Doktoravhandlinger ved NTNU, 1503-8181; 2012:247, Doctoral thesis, 2012) -
Adsorption of crude oil components at mineral surfaces followed by quartz crystal micro-balance and contact angle measurements: The effect of oil composition, simulated weathering and dispersants
(Journal article; Peer reviewed, 2019)Improved knowledge of interactions between crude oil and solid surfaces is of great importance for understanding oil spill responses as well as oil spill behavior on land and in the near-shore environment. Here, the goal ... -
Adsorption Properties of Supported Cobalt Catalysts Studied via Microcalorimetry
(Master thesis, 2012)Adsorption properties of alumina (γ-Al2O3) supported catalysts used for Fischer-Tropsch synthesis were studied using microcalorimetry for hydrogen or carbon monoxide chemisorption at 40ºC. The three catalysts investigated ... -
Advanced characterization of fischer-tropsch catalysts
(Master thesis, 2009) -
Advanced characterization of flame spray pyrolysis prepared catalysts for oxidation of NO to NO2
(Master thesis, 2019)Hensikten med denne masteroppgaven var å undersøke bruken av flamme-spray pyrolyse som syntesemetode for krystallinske katalysatorer med store overflater for bruk i oksidasjon av NO til NO 2 . Dette ble gjort gjennom grundig ... -
Advanced Control Structures for Balancing Supply and Demand in Steam Distribution Networks
(Master thesis, 2021)Denne masteroppgaven presenterer en overvåkende kontrollstruktur basert på PID-kontrollere, for å balansere tilbud og etterspørsel i et dampnettverk. Deretter blir prestasjonen sammenliknet med en modellprediktiv kontroller. ... -
Advances in Optimisation and Machine Learning for Process Systems Engineering
(Doctoral theses at NTNU;2024:85, Doctoral thesis, 2024)Optimisation is a valuable tool in process systems engineering, and has been widely used in design, control, process identification and many other areas. This thesis proposes novel applications of optimisation, as well as ... -
Advancing the large-scale development of PCC processes by providing essential VLE data for aqueous solutions of amines
(Journal article, 2022)New vapor liquid equilibrium (VLE) ebulliometric data is provided for ternary aqueous 2-Amino-2-methyl-1-propanol (AMP) and Piperazine (PZ) solutions for a range of temperatures (30 ºC, 40 ºC and 50 ºC) and different AMP/PZ ... -
Aerosol growth in CO2 absorption with MEA, modelling and comparison with experimental results
(Peer reviewed; Journal article, 2021)A new and improved aerosol model has been developed and tested against experimental data. An e-NRTL equilibrium model for MEA was extended to cover sulphuric acid containing droplets and validated against new eboulliometer ... -
Aggregation, interfacial properties and structural characteristics of asphaltene solubility fractions
(Doktoravhandlinger ved NTNU, 1503-8181; 2007:158, Doctoral thesis, 2007)Crude oil is the primary source for energy in the world and serves as the raw material for many daily products. Two topics, important in the daily processing of crude oils, are treated in this thesis. Water-in-oil emulsions ... -
Aligned carbon nanostructures based 3D electrodes for energy storage
(Journal article; Peer reviewed, 2015)Electrochemical energy storage systems with high specific energy and power as well as long cyclic stability attract increasing attention in new energy technologies. The principles for rational design of electrodes are ... -
Aligned carbon nanotubes@ manganese oxide coaxial arrays for lithium ion batteries
(Doktoravhandlinger ved NTNU, 1503-8181; 2013:257, Doctoral thesis, 2013)Lithium ion batteries (LIB) have attracted widespread interests due to their higher specific energy compared with nickel–cadmium batteries and lead–acid batteries. However, their specific power remains too low to power ...