Blar i Institutt for kjemisk prosessteknologi på dokumenttype "Journal article"
Viser treff 41-60 av 895
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Aminoalkyl-functionalized pyridines as high cyclic capacity CO2 absorbents
(Journal article; Peer reviewed, 2019)Recent years have witnessed a growing academic interest in development of new CO2 capture solvents to reduce the capture costs. This study focused on nine picolylamines (three commercial and six synthesized) and one ... -
An ITC and NMR study of interaction and complexation of asphaltene model compounds in apolar solvent I: Self-association pattern
(Journal article; Peer reviewed, 2016)The self-association pattern of asphaltene model compounds with different functional groups in xylene and mixtures of xylene and heptane have been studied by isothermal titration calorimetry (ITC) to shed new light on the ... -
An ITC study of interaction and complexation of asphaltene model compounds in apolar solvent II: Interactions with asphaltene inhibitors
(Journal article; Peer reviewed, 2016)The interaction and complexation of asphaltene model compounds containing functional groups with other crude oil compounds in a mixture of xylene and heptane have been studied to shed new light on the association and ... -
Analysis and selection of optimal solvent-based technologies for biogas upgrading
(Journal article; Peer reviewed, 2021)Biogas upgrading is an important industrial process for producing biomethane, a sustainable energy source with low carbon footprint. There are three main solvent-based alternatives for biogas upgrading: water scrubbing, ... -
Analysis of CO2 Facilitation Transport Effect through a Hybrid Poly(Allyl Amine) Membrane: Pathways for Further Improvement
(Peer reviewed; Journal article, 2020)Numerous studies have been reported on CO2 facilitated transport membrane synthesis, but few works have dealt with the interaction between material synthesis and transport modelling aspects for optimization purposes. In ... -
Analysis of temporal gene regulation of Listeria monocytogenes revealed distinct regulatory response modes after exposure to high pressure processing
(Peer reviewed; Journal article, 2021)Background The pathogen Listeria (L.) monocytogenes is known to survive heat, cold, high pressure, and other extreme conditions. Although the response of this pathogen to pH, osmotic, temperature, and oxidative stress has ... -
Anti-Slug Control Experiments Using Nonlinear Observers
(Journal article; Peer reviewed, 2013)Abstract: To prevent slug-flow on offshore oil production units, controlling a subsea pressure is the recommended solution. However, the subsea pressure is not often available as a measurement. The top-side pressure is ... -
Applicability of enhancement factor models for CO2 absorption into aqueous MEA solutions
(Journal article, 2017)In many chemical industrial processes, mass transfer across gas-liquid interfaces accompanied by chemical reaction is the governing phenomena. In case of mass transfer accompanied by a chemical reaction in the liquid phase, ... -
Application of a Pseudo-Kinetic Generalized Serverity Model to the Concentrated Sulfuric Acid Hydrolysis of Pinewood and Aspenwood
(Journal article; Peer reviewed, 2012)The yield of monosaccharides after two-stage concentrated sulfuric acid hydrolysis of softwood (Scots pine) and hardwood (trembling aspen) was modeled using a generalized severity parameter with a time-independent rate ... -
Application of biopolymer schizophyllan derived from local sources in Malaysia for polymer flooding operation
(Peer reviewed; Journal article, 2022)After the application of primary and secondary recovery methods, a significant amount of oil gets left behind in the reservoir. Thus, Enhanced Oil Recovery (EOR) methods are the only viable options. Polymer flooding has ... -
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 ... -
Application of iron oxide nanoparticles in oil recovery – A critical review of the properties, formulation, recent advances and prospects
(Peer reviewed; Journal article, 2022)Iron oxide nanoparticles (IONPs) are of particular interest in multiple fields and in enhanced oil recovery (EOR) due to their unique advantages and characteristics. Albeit several laboratory research articles on IONPs in ... -
An approach for VLE model development, validation, and implementation in Aspen Plus for amine blends in CO2 capture: the HS3 solvent case study
(Journal article; Peer reviewed, 2023)Carbon Capture and Storage (CCS) using chemical absorption is a viable method to significantly cut CO2 emissions in the industrial and energy sectors. However, further development of improved absorbents is necessary to ... -
Aqueous Mapa, DEEA, and Their Blend as CO2 Absorbents: Interrelationship between NMR Speciation, pH, and Heat of Absorption Data
(Journal article; Peer reviewed, 2019)On the basis of speciation by nuclear magnetic resonance (NMR) spectroscopy, heat of absorption, and pH data, the reactions occurring in aqueous MAPA (3-(methylamino)propylamine), DEEA (2-(diethylamino)ethanol), and their ... -
Aspen Plus ENRTL Model for HS3 Blend, a Novel Solvent for CO2 Capture
(Peer reviewed; Journal article, 2023)Carbon Capture and Storage (CCS) is among the main available options to cut CO2 emissions from the industry and energy production sectors, but the high costs of current CCS technology still limit their large-scale ... -
Asphaltene fractionation based on adsorption onto calcium carbonate: Part 1. Characterization of sub-fractions and QCM-D measurements
(Journal article; Peer reviewed, 2016)A new fractionation procedure was developed based on adsorption of asphaltenes onto calcium carbonate. The fractions obtained were characterized by elemental analysis, Fourier Transform Infrared Spectroscopy (FTIR) and ... -
Asphaltene fractionation based on adsorption onto calcium carbonate: Part 2. Self-association and aggregation properties
(Journal article; Peer reviewed, 2017)The self-association and aggregation properties of asphaltene sub-fractions obtained by adsorption onto CaCO3 (doi:http://dx.doi.org/10.1016/j.colsurfa.2016.02.011) were investigated using a combination of near infrared ... -
Asphaltene fractionation based on adsorption onto calcium carbonate: Part 3. Effect of asphaltenes on wax crystallization
(Journal article; Peer reviewed, 2018)Asphaltenes fractionation procedures were developed and tested in two preceding articles (doi: https://doi.org/10.1016/j.colsurfa.2016.02.011, doi: https://doi.org/10.1016/j.colsurfa.2016.11.035), and asphaltene fractions ... -
Asphaltene Precipitation Models: A Review
(Journal article; Peer reviewed, 2016)Asphaltenes are the heaviest and the most polar fractions of crude oil and are defined as a solubility class (typically soluble in toluene but insoluble in n-alkanes like n-heptane). Precipitation and deposition of asphaltenes ... -
Asphaltenes subfractions characterization and calculation of their solubility parameter using ESI(-) FT-ICR MS: Part II
(Peer reviewed; Journal article, 2022)Negative ion-mode electrospray (ESI(-)) technique coupled to Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR MS) provides ionization of polar constituents with ultra-high resolution and mass accuracy. ...