Institutt for prosess-, energi- og miljøteknologi
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Analysing the effect of temperature for steam fluidized-bed gasification of biomass with MP-PIC simulation
(Journal article; Peer reviewed, 2018)Gasification in fluidized beds is an outstanding technology in biomass to energy conversion. The multiphase particle-in-cell modelling has reduced the computational time related to CFD simulations of dense gas-solid systems ... -
Process Design of a Novel Low Temperature Methanol Synthesis Process Using an Air-blown Autothermal Reformer
(Journal article; Peer reviewed, 2018)Methanol (MeOH) synthesis at low temperature (100 oC) presents an opportunity for full syngas conversion per pass. This presents a cheaper alternative for MeOH synthesis using an air-blown autothermal reformer (ATR) rather ... -
Simulation and Economic Optimization of Amine-based CO2 Capture using Excess Heat at a Cement Plant
(Journal article; Peer reviewed, 2018)In order to remove CO2 from power or process industry, a well-known method is absorption in monoethanolamine (MEA) followed by desorption, and this technology has been in operation for decades. The major challenge is the ... -
Experimental Design and Modeling for Propylene Oxide - CO2–Poly (Propylene Carbonate) Solutions
(Journal article; Peer reviewed, 2018)In this research, experimental design was used to formulate the empirical models of viscosity and density of poly(propylene carbonate) (PPC), propylene oxide (PO), and carbon dioxide (CO2) solutions by designing experiments ... -
Comparison of simulation tools to fit and predict performance data of CO2 absorption into monoethanol amine at CO2 Technology Centre Mongstad (TCM)
(Journal article; Peer reviewed, 2018)n this work, several sets of experimental data from the amine based CO2 capture process at CO2 Technology Centre Mongstad (TCM) have been compared with simulations of different equilibrium based models and a rate-based ... -
Ultrasound intensified CO2 desorption from pressurized loaded monoethanolamine solutions. I. parameters investigation and modelling
(Journal article; Peer reviewed, 2018)CO2 stripping from loaded monoethanolamine (MEA) aqueous solutions intensified by means of ultrasound was investigated in a lab-scale kettle reboiler with both gas and liquid continuous operations. The reboiler operating ... -
Ultrasound intensify CO2 desorption from pressurized loaded monoethanolamine solutions. II. Optimization and cost estimation
(Journal article; Peer reviewed, 2019)Optimization and cost estimation were performed for the use of ultrasound for intensifying CO2 reboiler stripping from lean monoethanolamine (MEA) aqueous solutions at 1.0 barg. This work was based on typical industrial ... -
Experimental study of thermal and catalytic pyrolysis of plastic waste components
(Journal article; Peer reviewed, 2018)Thermal and catalytic pyrolysis of virgin low-density polyethylene (LDPE), high-density polyethylene (HDPE), polypropylene (PP) and mixtures of LDPE/PP were carried out in a 200 mL laboratory scale batch reactor at 460 °C ... -
Absorption and Desorption Study of Alkylamine Promoted DEEA Solvents for CO2 Capture
(Journal article; Peer reviewed, 2018)Three primary and two secondary mono-alkylamines, and a di-alkylamine (3-(Methylamino)propylamine, MAPA) were investigated in blend with a tertiary amine (2-(Diethylamino)ethanol, DEEA). The aim of the study was to ... -
Simulation of CO2 storage in the North Sea
(Journal article; Peer reviewed, 2018)Use of fossil fuel has resulted in emission of large amounts of CO2 to the atmosphere, which increases the risk of global heating. There is a lot of research going on regarding CO2 capture and storage. The Paris Agreement, ... -
Improved Models for Predicting Bubble Velocity, Bubble Frequency and Bed Expansion in a Bubbling Fluidized Bed
(Journal article; Peer reviewed, 2018)An efficient design and operational control of a fluidized bed reactor relies on accurate prediction of bubble properties. This paper employs measurement of bed void fraction in determining the bubble velocity in a given ... -
Screening of Kinetic Rate Equations for Gasification Simulation Models (opptrykk)
(Journal article; Peer reviewed, 2018)The energy from biomass can be utilized through the thermochemical conversion process of pyrolysis and gasification. The process involves solid phase and fluid phase interactions. Computational Particle Fluid Dynamics ... -
Sensitivity Analysis and Effect of Simulation parameters of CPFD Simulation in Fluidized Beds
(Journal article; Peer reviewed, 2018)Fluidized bed technology is broadly applied in industry due to its distinct advantages. CFD simulation of fluidized beds is still challenging compared to single-phase systems and needs extensive validation. Multiphase ... -
Distribution of Solids in a Fluidized Bed Operated without a Gas Distributor
(Journal article; Peer reviewed, 2018)Despite several advantages of a gas distributor, there are also some challenges in its application. Using a gas distributor increases the fluidizing gas compression cost. Due to deposition of fine particles and product of ... -
Improving bench scale design for polymerisation of green CO2-polymers
(Journal article; Peer reviewed, 2018)Plastic has become the most common material since the beginning of the 20th century and has become almost indispensable due to its durability, light weight and low costs. However, some of the characteristics also make the ... -
Experimental and Computational Study of Oxygen Carriers in Chemical Looping Combustion
(Journal article; Peer reviewed, 2018)In this paper, the fluidization properties of possible oxygen carriers in Chemical Looping Combustion (CLC) have been studied. Experiments were performed in a cold fluidized bed to study fluidization properties of particles ... -
Study of fluidized bed regimes using Computational Particle Fluid Dynamics
(Journal article; Peer reviewed, 2018)The fluidization technology has a wide range of applications. In chemical synthesis, fluidized bed is used to enhance heat and mass transfer between the reacting species. More application of this technology can also be ... -
Simulation of Condensation in Compressed Raw Biogas Using Aspen HYSYS
(Journal article; Peer reviewed, 2018)Raw biogas typically contains 60 % methane, 40 % CO2, small amounts of other components and is saturated with water. It is a question whether raw biogas can be compressed to high pressures without condensation. The aim of ... -
Experimental and Computational study of Chemical Looping Combustion
(Journal article; Peer reviewed, 2018)In this paper, the fluidization properties of possible oxygen carriers in Chemical Looping Combustion (CLC) have been studied. Experiments were performed in a cold fluidized bed to study fluidization properties of particles ... -
Study of fluidized bed regimes using Computational Particle Fluid Dynamics
(Journal article; Peer reviewed, 2018)The fluidization technology has a wide range of applications. In chemical synthesis, fluidized bed is used to enhance heat and mass transfer between the reacting species. More application of this technology can also be ...
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