Browsing NTNU Open by Author "Svendsen, Hallvard Fjøsne"
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A study of film thickness and hydrodynamic entrance length in liquid laminar film flow along a vertical tube
Gao, Hongxia; Luo, Xiao; Cui, Ding; Liang, Zhiwu; Hu, Xiayi; Hartono, Ardi; Svendsen, Hallvard Fjøsne (Journal article, 2018)The liquid film thickness and hydrodynamic entrance length in a vertical tube was studied experimentally and numerically. Measurements using distilled water, 30 wt % MEA and 40 wt % sugar solutions were carried out to ... -
Absorption of Carbon Dioxide in Aqueous Solutions of N-methyldiethanolamine Mixtures
Ma'mun, Sholeh; Svendsen, Hallvard Fjøsne (Journal article; Peer reviewed, 2018)Carbon dioxide (CO2) is one of the greenhouse gases (GHG) that has contributed to the global warming problem. Carbon dioxide is produced in large quantity from coal-fired power plants, iron and steel production, cement ... -
Activity-based Kinetics of the Reaction of Carbon Dioxide with Aqueous Amine Systems. Case studies: MAPA and MEA
Monteiro, Juliana Garcia Moretz-Sohn; Pinto, Diego Di Domenico; Luo, Xiao; Knuutila, Hanna; Hussain, Saddam; Mba, Emmanuel; Hartono, Ardi; Svendsen, Hallvard Fjøsne (Journal article; Peer reviewed, 2013) -
Aerosol growth in CO2 absorption with MEA, modelling and comparison with experimental results
Svendsen, Hallvard Fjøsne; Majeed, Hammad; Knuutila, Hanna K; Hillestad, Magne; Evjen, Sigvart; Mejdell, T.; Einbu, A.; Hjarbo, Kai Wilhelm; Haugen, G.; Hoff, K.A. (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 ... -
Amine-based carbon dioxide absorption: Evaluation of kinetic and mass transfer parameters
Ma'mun, Sholeh; Svendsen, Hallvard Fjøsne; Bendiyasa, I Made (Journal article; Peer reviewed, 2018)Global emission of carbon dioxide (CO2), a major contributor to the climate change, has increased annually and it reached over 37 Gt in 2017. An effort to reduce the emission, therefore, needs to be conducted, e.g. ... -
Applicability of enhancement factor models for CO2 absorption into aqueous MEA solutions
Putta, Koteswara Rao; Tobiesen, Finn Andrew; Svendsen, Hallvard Fjøsne; Knuutila, Hanna K (Journal article, 2017)In many chemical industrial processes, mass transfer across gas-liquid interfaces accompanied by chemical reaction is the governing phenomena. In case of mass transfer accompanied by a chemical reaction in the liquid phase, ... -
Binary and ternary VLE of the 2-(diethylamino)-ethanol (DEEA)/3-(methylamino)-propylamine (MAPA) water system
Hartono, Ardi; Saleem, Fahad; Arshad, Muhammad Waseem; Usman, Muhammad; Svendsen, Hallvard Fjøsne (Journal article; Peer reviewed, 2013)A mixed 2-(Diethylamino)-ethanol (DEEA) and 3-Methylamino)-propylamine (MAPA) system could be an attractive alternative solvent to improve the performance of CO2 capture for low partial pressure cases. This solvent has the ... -
Binary and ternary VLE of the 2-(diethylamino)-ethanol (DEEA)/3-(methylamino)-propylamine (MAPA) water system
Hartono, Ardi; Saleem, Fahad; Arshad, Muhammad Waseem; Usman, Muhammad; Svendsen, Hallvard Fjøsne (Journal article; Peer reviewed, 2013)A mixed 2-(diethylamino)-ethanol (DEEA) and 3-(methylamino)-propylamine (MAPA) system could be an attractive alternative solvent to improve the performance of CO2 capture for low partial pressure cases. This solvent has ... -
Binary VLE measurements and modeling for selected amine systems
Saleem, Fahad (Master thesis, 2011)During the course of this work, vapor pressure data of pure water, DEEA and DIPEA was measured. The results give good agreement with literature data. VLE data of DEEA-H2O and DIPEA-H2O systems was then obtained at varying ... -
Calorimetric measurements with CO2 capture solvents - Heat capacity, Cp, measurements for loaded and unloaded alkanolamine solutions using CPA202 Reaction Calorimeter
Amundsen, Paul Magne (Master thesis, 2015)Most chemical and physical processes are accompanied by heat effects, which may contain significant information concerning the mechanisms of the processes. Quantitative knowledge of the thermodynamic properties of CO2 ... -
Calorimetric Study of CO2 Absorption into Amine Solutions
Idrees, Muhammad Usman (Master thesis, 2011)To date, fossil fuels are the main source of energy which causes green house gas (GHG) emissions. Major component of these GHG is carbon dioxide (CO2). Carbon dioxide capture from an efficient power plant and other industrial ... -
Challenges Related to Analysis of Anions in Degraded Samples from Pilot and Lab Experiments
Vevelstad, Solrun Johanne; Svendsen, Hallvard Fjøsne (Journal article; Peer reviewed, 2016)Analyses of degraded samples from CO2 capture experiments and pilots are complicated because of the diversity of the degradation compounds and the high amine and CO2 contents in the samples. Little work has been conducted ... -
Characterization and modelling of aerosol droplet in absorption columns
Majeed, Hammad; Knuutila, Hanna K; Hillestad, Magne; Svendsen, Hallvard Fjøsne (Journal article, 2017)Formation of aerosols can cause serious complications in industrial exhaust gas cleaning processes. Small mist droplets and fog formed can normally not be removed in conventional demisting equipment because their submicron ... -
Characterization and Modelling of Vapor Liquid Equilibrium of 1,3-Diaminopropane for CO2 Capture: - Using e-NRTL framework
Hussain, Saddam (Master thesis, 2012)Carbon dioxide belongs to the class of greenhouse gases which are highly influential in global warming. Sometime ago, it was also proposed in some circles that Global warming is most like a conspiracy than a reality, but ... -
Characterization of aerosol emissions from CO2 capture plants treating various power plant and industrial flue gases
Majeed, Hammad; Svendsen, Hallvard Fjøsne (Journal article; Peer reviewed, 2018)Undesired aerosol formation in gas–liquid contact devices has been a well-known phenomenon in the chemical industry for several decades and can cause severe problems in industrial gas cleaning processes. Several studies ... -
Characterization of Corrosion patterns of Stainless Steel in Diethylenetriamine (DETA)-CO2 and amine degradation products systems: and an Introductory Modeling Approach
Hayfron-Benjamin, Ebenezer (Master thesis, 2013)Diethylenetriamine (DETA) which has three amine functional groups and touted to be potential CO2 mitigation solvent has been shown to have high loading capacity, faster absorption rates, lower activation energy than the ... -
CO2 absorption into loaded aqueous MEA solutions: Impact of different model parameter correlations and thermodynamic models on the absorption rate model predictions
Putta, Koteswara Rao; Svendsen, Hallvard Fjøsne; Knuutila, Hanna K (Journal article, 2017)A two-dimensional discretized rate-based model was used for assessing the impact of correlations and/or models for VLE (thermodynamics), solubility (CO2 henry’s law constant), reaction rate kinetic models and diffusivity ... -
CO2 absorption with membrane contactors vs. packed absorbers-Challenges and opportunities in post combustion capture and natural gas sweetening
Hoff, Karl Anders; Svendsen, Hallvard Fjøsne (Journal article; Peer reviewed, 2013)The present work presents a case study where membrane contactors are compared with absorption towers for post combustion CO2 capture and for natural gas sweetening. Simulations are performed using a absorber model which ... -
CO2 Capture by Aqueous 3-(Methylamino)propylamine in Blend with Tertiary Amines: An NMR Analysis
Perinu, Cristina; Bernhardsen, Ida Mortensen; Svendsen, Hallvard Fjøsne; Jens, Klaus-Joachim (Journal article; Peer reviewed, 2017)Aqueous 3-(Methylamino)propylamine (MAPA) in blend with 2-(Diethylamino)ethanol (DEEA) and other tertiary amines, which mainly differ from DEEA in the number of hydroxyl functions (-OH) and/or in the length and structure ... -
CO2 Capture by Chemical Absorption: Kinetics and Combined Heat and Mass Transfer
Putta, Koteswara Rao (Doctoral theses at NTNU;, Doctoral thesis, 2017)Currently, global warming is an alarming issue. Tremendous efforts are being made in the research area to develop new and improved CO2 capture technologies in recent years. Many small-scale pilot test rigs and semi-industrial ...