Blar i Fakultet for naturvitenskap (NV) på tidsskrift "Chemical Engineering Science"
Viser treff 1-19 av 19
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Application of hot-wire anemometry for experimental investigation of flow distribution in micro-packed bed reactors for synthesis gas conversion
(Journal article; Peer reviewed, 2018)The knowledge of the flow distribution inside microstructured reactors is valuable e.g. for improving the reactor design, developing flow distributors, and optimizing the catalyst loading method. The applicability of the ... -
Binary and ternary VLE of the 2-(diethylamino)-ethanol (DEEA)/3-(methylamino)-propylamine (MAPA) water system
(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
(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 ... -
CO2 solubility and mass transfer in water-lean solvents
(Journal article; Peer reviewed, 2019)Shifting from aqueous to water lean solvents has been evaluated as a mean for increasing the mass transfer rates in regular chemical solvents with amines. An array of amines (monoethanolamine, 2-methylpiperazine and N-methyl ... -
Dissipation rate estimation in a rectangular shaped test section with periodic structure at the walls
(Journal article; Peer reviewed, 2018)An experimental study of turbulent flow concerning the characterization of turbulence by two-point correlation and estimations of the turbulent dissipation rate is presented. The fluid used is deionized water and the test ... -
Experimental investigation of inlet vane design and performance in hydrocarbon systems
(Journal article; Peer reviewed, 2019)Separation efficiencies for a scrubber inlet vane section was investigated using a natural gas hydrocarbon system at 20, 50 and 85 bars. Several design features were investigated such as diameter of inlet pipe, vane design, ... -
Experimental study on phase change solvents in CO2 capture by NMR spectroscopy
(Journal article; Peer reviewed, 2013)2-(Diethylamino)ethanol (DEEA) and 3-(Methylamino) propylamine (MAPA) in combination may represent a promising absorbent system for CO2 capture due to high CO2 loading capacity, high equilibrium temperature sensitivity, ... -
Experimental Study on Phase Change Solvents in CO2 Capture by NMR Spectroscopy
(Journal article; Peer reviewed, 2013)2-(Diethylamino)ethanol (DEEA) and 3-(Methylamino) propylamine (MAPA) in combination may represent a promising absorbent system for CO2 capture due to high CO2 loading capacity, high equilibrium temperature sensitivity, ... -
An hp-adaptive quadrature method for irregular integrands: Application to the population balance equation birth term
(Peer reviewed; Journal article, 2019)The solution of the population balance equation requires the integration of several source terms. In the numerical weighted residuals methods, Gaussian quadrature is a natural candidate for numerical integration. Previous ... -
Interfacial mass transfer limitations in the Fischer-Tropsch synthesis operated in a slurry bubble column at industrial conditions
(Journal article; Peer reviewed, 2018)At high catalyst volume fractions the Fischer-Tropsch synthesis (FTS) operated in a slurry bubble column (SBC) is driven into the mass transfer limited regime. This study utilized literature models for the gas-liquid mass ... -
Interfacial mass transfer limitations of the Fischer-Tropsch synthesis operated in a slurry bubble column reactor at industrial conditions
(Journal article; Peer reviewed, 2018)At high catalyst volume fractions the Fischer-Tropsch synthesis (FTS) operated in a slurry bubble column (SBC) is driven into the mass transfer limited regime. This study utilized literature models for the gas-liquid mass ... -
Lagrangian modeling of mass transfer from a single bubble rising in stagnant liquid
(Journal article; Peer reviewed, 2018)A Lagrangian model has been derived that describes the size, species composition and velocity of an individual gas bubble as it ascends through a vertical column with stagnant liquid and exchanges mass with the other phase. ... -
Microfluidic tools for studying coalescence of crude oil droplets in produced water
(Journal article; Peer reviewed, 2018)The major contaminant targeted during the treatment of the oilfield produced water is dispersed oil. The efficiency of most separation processes highly relies on the size of the droplets, which can be increased through ... -
Minimum entropy production in a distillation column for air separation described by a continuous non-equilibrium model
(Journal article; Peer reviewed, 2020)In this work, we apply the rate-based model of Taylor and Krishna to describe the separation of air in a low-pressure, packed distillation column. By use of numerical optimization, we identify the temperature profile for ... -
Modelling CO2 - water mixture thermodynamics using various equations of state (EoSs) with emphasis on the potential of the SPUNG EoS
(Journal article; Peer reviewed, 2014)CO2–water is a very important mixture in the Carbon Capture and Storage (CCS) industry. The mixture can have a broad range of concentrations, from water as an impurity in CO2 transport to high water concentrations in ... -
Predicting aerosol size distribution development in absorption columns
(Journal article; Peer reviewed, 2018)There are two main mechanisms for amine emissions from absorption columns. The first is connected to the volatility of amine, determining the gaseous concentration. The second mechanism is via aerosol droplets containing ... -
Reaction mechanism and kinetics for Pt/CNTs catalyzed base-free oxidation of glycerol
(Journal article; Peer reviewed, 2019)Fundamental understanding of heterogeneously catalyzed aerobic, base-free oxidation of glycerol is highly desirable for sustainable and highly efficient chemical synthesis. In this work, Pt/CNTs catalyzed base-free oxidation ... -
Structural and kinetic insights into Pt/CNT catalysts during hydrogen generation from ammonia borane
(Journal article; Peer reviewed, 2018)Unraveling the structural and kinetic consequences of catalyst properties, which vary with the catalyst preparation methods, on their catalytic behaviors is of prime scientific and industrial importance. Exemplified by ... -
Study of the effect of condensation and evaporation of water on heat and mass transfer in CO2 absorption column
(Journal article, 2017)A rate-based combined heat and mass transfer model developed based on penetration theory is used to study the effect of water evaporation and condensation on the CO2 absorption process using six different cases with real ...