Institutt for prosess-, energi- og miljøteknologi: Recent submissions
Now showing items 161-180 of 338
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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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
Improving bench scale pilot reactor 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 ... -
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, ... -
Mapping anaerobic sludge bed community adaptations to manure supernatant in biogas reactors
(Journal article; Peer reviewed, 2018)In upflow anaerobic sludge bed (UASB) reactors, biomass present as granules allows for long solids retention time. Here, granules from a process treating pulp and paper industrial wastewater were successfully applied as ... -
Sludge blanket anaerobic baffled reactor for source-separated blackwater treatment
(Journal article; Peer reviewed, 2018)The performance of a sludge blanket anaerobic baffled reactor was tested as an integrated treatment system for source-separated blackwater. The system consists of a stirred equalization tank, a buffer inlet tank, and two ... -
Performance of CO2 flooding in a heterogeneous oil reservoir using autonomous inflow control
(Journal article; Peer reviewed, 2018)CO2-EOR is one of the main methods for enhanced oil recovery. The injection of CO2 does not only improve oil recovery, but also contributes to reduction of greenhouse gas emissions. However, many CO2-EOR project are reporting ... -
Tailoring Cu nanoparticle catalyst for methanol synthesis using the spinning disk reactor
(Journal article; Peer reviewed, 2018)Cu nanoparticles are known to be very active for methanol (MeOH) synthesis at relatively low temperatures, such that smaller particle sizes yield better MeOH productivity. We aimed to control Cu nanoparticle (NP) size and ... -
A solution method for one-dimensional shallow water equations using flux limiter centered scheme for open Venturi channels
(Journal article; Peer reviewed, 2018)The one-dimensional shallow water equations were modified for a Venturi contraction and expansion in a rectangular open channel to achieve more accurate results than with the conventional one-dimensional shallow water ... -
Models for Predicting Average Bubble Diameter and Volumetric Bubble Flux in Deep Fluidized Beds
(Journal article; Peer reviewed, 2018)The average bubble diameter and volumetric bubble flux give indications about the overall bed expansion in a fluidized bed. As these properties depend on the particle properties and fluidized bed regime, their accurate ... -
Modeling temperature effects in anaerobic digestion of domestic wastewater
(Journal article, 2018)A combination of septic tank (ST) and up-flow anaerobic sludge blanket (UASB) as treatment for domestic wastewater was modeled with the anaerobic digestion model 1 (ADM1). The model was used to visualize the influence of ...