Browsing Institutt for kjemisk prosessteknologi by Title
Now showing items 1076-1095 of 1754
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Monitoring Techniques for C. glutamicum GABA Producers in Fed-Batch Fermentations
(Master thesis, 2020)Fermenteringsindustrien i dag produserer et bredt utvalg av produkter. Typiske produkter inkluderer brensel, industrielle kjemikalier, tilsetningsstoffer til mat og drikke, helseprodukter og mikrobielle enzymer for å nevne ... -
Monolithic, microchannel and carbon nanofibers/carbon felt reactors for syngas conversion by Fischer-Tropsch syntehesis
(Journal article; Peer reviewed, 2013)The present contribution summarizes work carried out on different microstructured reactors in the Catalysis Group at the Norwegian University of Science and Technology during the last years. The work has involved co-operation ... -
Morphologically Tunable MOF Nanosheets in Mixed Matrix Membranes for CO2 Separation
(Peer reviewed; Journal article, 2020)This study first develops a facile method to synthesize zeolitic imidazolate framework cuboid (ZIF-C) nanosheets with tunable thickness from 70 to 170 nm from aqueous polymer solutions. The obtained ZIF-C nanosheets were ... -
Morphology and Activity of Electrolytic Silver Catalyst for Partial Oxidation of Methanol to Formaldehyde Under Different Exposures and Oxidation Reactions
(Journal article; Peer reviewed, 2019)Electrolytic silver particles were studied in relation to its morphology changes under different reactive and non-reactive atmospheres, and its catalytic activity in oxidation of methanol to formaldehyde (MTF), carbon ... -
Morphology of lignin structures on fiber surfaces after organosolv pretreatment
(Peer reviewed; Journal article, 2022)The redeposition of lignin to the fiber surface after organosolv pretreatment was studied using two different reactor types. Results from the conventional autoclave reactor suggest that redeposition occurs during the cooling ... -
Multi-Product Dividing Wall Columns: A Simple and Effective Assessment and Conceptual Design Procedure
(Journal article; Peer reviewed, 2011)The objective of this paper is to further exploit and demonstrate the potential benefits of a V-min diagram based analysis, using a fifteen component feed mixture as base case. Detailed explanations are given on how to ... -
Multifunctional Gold nanoparticles for targeted drug delivery
(Master thesis, 2012)The combination of nanoparticles with pharmaceutically compounds such as small drug molecules, peptides, enzymes, and antibodies, allows the promising development of delivery vectors with superior performance and selectivity. ... -
Multifunctional Nanoparticles for Bioimaging
(Doctoral thesis at NTNU;2015:320, Doctoral thesis, 2015)Bioimaging is a broad term that covers all processes in which biological tissues are imaged. It can range from single-cell visualization with fluorescence microscopy, to imaging of brain structures in living human beings ... -
Multifunctional Pd/Ni-Co catalyst for hydrogen production by chemical looping coupled with steam reforming of acetic acid
(Journal article; Peer reviewed, 2014)High yield of high‐purity H2 from acetic acid, a model compound of bio‐oil obtained from the fast pyrolysis of biomass, was produced by sorption‐enhanced steam reforming (SESR). An oxygen carrier was introduced into a ... -
Multifunctional proppants for enhanced oil production from shales
(Master thesis, 2015)The purpose of the work, which has been done during this thesis, has been to give a better basis for future research on the subject. The subject is functionalizing proppants and testing of these functions. The experimental ... -
Multilevel Screening of Ionic Liquid Absorbents for Simultaneous Removal of CO2 and H2S from Natural Gas
(Peer reviewed; Journal article, 2020)For the selection of practically attractive ionic liquids (ILs) as absorbents for simultaneous CO2 and H2S removal from natural gas (NG), a multilevel screening method combining Henry′s law constant (H) and vapor–liquid ... -
Multiple shooting for training neural differential equations on time series
(Peer reviewed; Journal article, 2021)Neural differential equations have recently emerged as a flexible data-driven/hybrid approach to model time-series data. This work experimentally demonstrates that if the data contains oscillations, then standard fitting ... -
Multiple-Input Single-Output Control for Extending the Steady-State Operating Range—Use of Controllers with Different Setpoints
(Journal article; Peer reviewed, 2019)This paper deals with a case when multiple inputs are needed to cover the steady-state operating range. The most common implementation is to use split range control with a single controller. However, this approach has some ... -
Multiscale Modeling of Interfacial Mass Transport in Liquid-Liquid Dispersions
(Doktoravhandlinger ved NTNU, 1503-8181; 2014:142, Doctoral thesis, 2014)Crude oil is a complex system which consists of many different compounds and substantial amounts of naphthenic acids which can create naphthenate deposits. This can cause significant fouling in the petroleum transport and ... -
Multiscale modeling of mass transfer and adsorption in liquid-liquid dispersions. 1. Molecular dynamics simulations and interfacial tension prediction for a mixed monolayer of mono- and tetracarboxylic acids
(Journal article; Peer reviewed, 2014)Phase space trajectories of protonated and deprotonated mono- and tetracarboxylic acid surfactants at an oil/water interface are obtained from molecular dynamics (MD) simulations and are employed to calculate the interfacial ... -
Multiscale modeling of mass transfer and adsorption in liquid-liquid dispersions. 2. application to calcium naphthenate precipitation in oils containing mono- and tetracarboxylic acids
(Journal article; Peer reviewed, 2014)A dynamic multicomponent mass transport model is constructed and solved to determine the interfacial composition and bulk phase concentrations of surfactant mixtures containing a synthetic tetracarboxylic acid (BP10) and ... -
Multiscale Modelling of the Calcium Naphthenate Precipitation Reaction in Petroleum Processing
(Doctoral thesis at NTNU;2016:53, Doctoral thesis, 2016)The formation of calcium naphthenate precipitates occurring in the petroleum industry is both an undesirable side reaction and can introduce costly shutdowns and cleaning processes. Although the reaction has been studied ... -
Multivariate curve resolution applied to in situ X-ray absorption spectroscopy data: An efficient tool for data processing and analysis
(Journal article; Peer reviewed, 2014)Large datasets containing many spectra commonly associated with in situ or operando experiments call for new data treatment strategies as conventional scan by scan data analysis methods have become a time-consuming bottleneck. ... -
Nafion/IL hybrid membranes with tuned nanostructure for enhanced CO2 separation: effects of ionic liquid and water vapor
(Journal article; Peer reviewed, 2018)Polyelectrolytes have been reported to display gas permeation properties that can be of significant interest for CO2 capture applications, especially when they are fully hydrated. In this work, hybrid membranes prepared ... -
Nafion/PEG hybrid membrane for CO 2 separation: Effect of PEG on membrane micro-structure and performance
(Journal article; Peer reviewed, 2018)In the present work, PEGDME with different molecular weight (Mn ∼ 250 and 500 g/mol) was added into Nafion-based membranes as CO2-philic additive, aiming at improving their CO2 capture performance. The physical, chemical ...