Blar i Institutt for kjemisk prosessteknologi på tittel
Viser treff 1015-1034 av 1784
-
Model studies of secondary hydrogenation in Fischer-Tropsch synthesis studied by cobalt catalysts
(Doktoravhandlinger ved NTNU, 1503-8181; 2003:29, Doctoral thesis, 2003)Mass transfer effects are very important in Fischer-Tropsch (FT) synthesis. In order to study the FT synthesis without the influence of any transport limitations, cobalt foils have been used as model catalysts. The effect ... -
Model-aided catalyst prediction through descriptor-based hybrid semi-empirical approach
(Doctoral theses at NTNU;2019:67, Doctoral thesis, 2019)Model-aided catalyst prediction through descriptor-based hybrid semi-empirical approach Microkinetic model aided catalyst prediction is an advanced method for developing improved and novel catalysts without intensive ... -
Model-based characterization of mili-reactor
(Master thesis, 2013)This thesis focuses on development of a functioning, reliable and representative computation fluid dynamics model of milli-reactors in OpenFOAM in order to characterize them. Characterization and validation of the model ... -
Modeling and Analysis of a Batch Gravity Separation of an Oil and Water Emulsion
(Master thesis, 2014)A model for simulating the separation of an emulsion in a batch gravity settler was tested. This model is based on a population balance which considers a non-uniform droplet distribution, where coalescence occurs simultaneously ... -
Modeling and Characterization of Liquid Vapor Equilibrium of N-methyl-1,3-Propanediamine for CO2 Capture - Using the Extended UNIQUAC Framework
(Master thesis, 2011)In this work the loaded MAPA system has been thermodynamically characterized. This was done by measuring the phase- and chemical equilibrium in the laboratory, as vapor - liquid - equilibrium data. A thermodynamical model ... -
Modeling and control of an inline deoiling hydrocyclone *
(Journal article; Peer reviewed, 2018)In subsea oil and gas production and processing, automatic control of operation is of significant importance. Typically, processing in subsea fields involves separation of hydrocarbons from water and rejection of water in ... -
Modeling and Experimental Study of Carbon Dioxide Absorption in a Membrane Contactor
(Dr. ingeniøravhandling, 0809-103X; 2003:27, Doctoral thesis, 2003)Membrane gas absorption is a new way of contacting gas and liquid for industrial scale gas purification and offers significant advantages compared to conventional absorption towers. Due to the separation of the phases by ... -
Modeling and Experiments for Active Vapor Split Control of a Four-product Kaibel Column
(Master thesis, 2018)Kaibel column is studied as an energy efficient way of distillation. Kaibel column and other thermally coupled arrangements are introduced in theoretical part with focus on different approaches to control of these columns. ... -
Modeling and Optimization of a Subsea Oil-Water Separation System
(Master thesis, 2015)Compact oil-water separators are essential for treatment of the production streams of oil fields at deep waters. The aim of this work has been to develop a model for a compact oil-water separation system for optimization ... -
Modeling and Simulation of a Bubble Column Reactor for Single-Cell Protein Production from Methane
(Master thesis, 2017)The methane fermentation of the bacterium Methylococcus capsulatus (Bath) to produce single-cell protein has been studied by the use of mathematical modeling and simulations. Protein production by fermentation can substitute ... -
Modeling and simulation of a membrane module
(Master thesis, 2017)This work presents a way of simulating the operation of an anion exchange membrane module. A CFD simulation of this module was made in OpenFOAM software. The membrane module contains an ion exchange membrane and is used ... -
Modeling and Simulation of Chemical Looping Combustion Using a Copper-Based Oxygen Carrier in a Double-Loop Circulating Fluidized Bed Reactor System
(Journal article; Peer reviewed, 2017)In this work, a computational fluid dynamics simulator has been developed for a novel double-loop circulating fluidized bed reactor which is used for a chemical looping combustion process. The simulator is implemented in ... -
Modeling and Simulation of Reactive Three-phase Flows in Fluidized Bed Reactors: Application to the SE-SMR Process
(Doktoravhandlinger ved NTNU, 1503-8181; 2012:377, Doctoral thesis, 2012)In this thesis a reactive binary-particle multi-fluid model for sorption enhanced steam methane reforming (SE-SMR) fluidized bed reactors has been derived. The kinetic theory of granular flows (KTGF) is a applied to close ... -
Modeling and Simulations of Reactive Two-Phase Flows in Fluidized Beds
(Doktoravhandlinger ved NTNU, 1503-8181; 2008:161, Doctoral thesis, 2008) -
Modeling Differential Enthalpy of Absorption of CO2 with Piperazine as a Function of Temperature
(Peer reviewed; Journal article, 2022)Temperature-dependent correlations for equilibrium constants (ln K) and heat of absorption (ΔHabs) of different reactions (i.e., deprotonation, double deprotonation, carbamate formation, protonated carbamate formation, ... -
Modeling Fischer–Tropsch kinetics and product distribution over a cobalt catalyst
(Peer reviewed; Journal article, 2021)A detailed kinetic model describing the consumption of key components and productdistribution in the Fischer–Tropsch synthesis (FTS) over a 20%Co/0.5Re γ-Al2O3commercial catalyst is developed. The developed model incorporates ... -
Modeling Interfacial Mass Transfer during the Dynamic Evolution of the Drop Size Density Distribution of Emulsions in Turbulent Pipe Flow
(Master thesis, 2016)Denne oppgaven har fokusert på å modelllere den dynamiske utviklingen av emulsjoners dråpestørrelsesfordeling i turbulent rørstrømning med og uten massebalansen for tensider. Først, ble smaspillet mellom koalesens og ... -
Modeling of a 1,2-Dichloroethane Cracker
(Master thesis, 2015)Polyvinyl chloride (PVC) is the second most widely used synthetic polymer plastic, where the largest consumption is in the building and construction sector. PVC is mainly produced through the polymerization of the monomer ... -
Modeling of a Hydrogen Refueling Station
(Master thesis, 2014)Gaseous hydrogen is one of several alternatives to fossil-based vehicle fuels. In order to establish hydrogen as a good alternative, it is necessary to implement hydrogen refueling stations that can compete with conventional ... -
Modeling of a Recirculating Aquaculture System
(Master thesis, 2020)Abstract will be available on 2023-08-31