Blar i Institutt for kjemisk prosessteknologi på tidsskrift "Separation and Purification Technology"
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Carbon membranes for oxygen enriched air – Part I: Synthesis, performance and preventive regeneration
(Journal article; Peer reviewed, 2018)Chemisorption of oxygen on the active sites of carbon layers limits the use of carbon membranes in air separation application. A novel online electrical regeneration method was applied to prevent the active sites on carbon ... -
Carbon membranes for oxygen enriched air – Part II: Techno-economic analysis
(Journal article; Peer reviewed, 2018)Carbon membrane (CM) separation process for producing oxygen-enriched air (OEA) at a concentration of 50–78 mol% O2 in a single stage process with no recycle stream has been investigated. This paper (Part II of a two-part ... -
Cellulose-based carbon hollow fiber membranes for high-pressure mixed gas separations of CO2/CH4 and CO2/N2
(Peer reviewed; Journal article, 2020)Carbonized cellulose -based hollow fiber membranes were prepared by dry-wet spinning phase inversion method, followed by carbonization and evaluated in terms of gas separation performance for CO2/N2 and CO2/CH4 mixtures, ... -
CO2 separation with carbon membranes in high pressure and elevated temperature applications
(Journal article; Peer reviewed, 2017)Carbon hollow fibers (CHF) were fabricated by carbonization of deacetylated cellulose acetate precursor. To enhance membrane permeation properties, pore structure was tailored by means of an oxidation and reduction process ... -
Conceptual Process Design and Simulation of Membrane Systems for Integrated Natural Gas Dehydration and Sweetening
(Peer reviewed; Journal article, 2020)Subsea natural gas processing attracts increased interest due to the smaller environmental footprint. Natural gas (NG) dehydration and sweetening are the main processing steps to avoid pipeline plugging and corrosion caused ... -
Decoupling the effect of membrane thickness and CNC concentration in PVA based nanocomposite membranes for CO2/CH4 separation
(Journal article; Peer reviewed, 2018)The effect of the viscosity of the casting suspension on membrane morphology and thickness has been investigated for polyvinyl alcohol (PVA)/crystalline nanocellulose (CNC) nanocomposite membranes used for CO2/CH4 separation. ... -
Development of high capacity moisture-swing DAC sorbent for direct air capture of CO<inf>2</inf>
(Peer reviewed; Journal article, 2023) -
Effect of liquid viscosity on the performance of a non-porous membrane contactor for CO2 capture
(Journal article; Peer reviewed, 2019)The effect of liquid viscosity on the performance of a non-porous membrane contactor is important to study for a proper solvent selection and process design. In this work, the overall mass transfer coefficient for MEA- and ... -
From hybrid solvents to water-lean solvents – A critical and historical review
(Journal article; Peer reviewed, 2020)Every year, a plethora of studies focused on developing water-lean solvents for CO2 capture is published in the scientific literature. More often than not, these studies lack a satisfactory contextualization with the ... -
Helium separation using membrane technology: Recent advances and perspectives
(Peer reviewed; Journal article, 2021)Helium is an unrenewable noble gas produced from natural gas with a wide range of scientific, medical, and industrial applications. Due to the large differences in the kinetic diameters between helium (0.26 nm) and nitrogen ... -
Investigating opportunities for water-lean solvents in CO2 capture: VLE and heat of absorption in water-lean solvents containing MEA
(Journal article; Peer reviewed, 2020)A thorough investigation on a set of organic diluents for water-lean solvent formulation has been carried in this work. The performance of aqueous monoethanolamine (MEA) 30 %w/w has been compared to that of mixtures between ... -
Membrane fabricated via a facile non-solvent induced microstructure re-arrangement with superior CO<inf>2</inf> separation performances
(Journal article; Peer reviewed, 2023)CO2 capture and storage (CCS) is taken as an immediate solution to mitigate the impactof increasing atmospheric CO2 on global climate change, and CO2 separation using high-performance membranes is considered a green and ... -
Membranes for CO<inf>2</inf> capture and separation: Progress in research and development for industrial applications
(Peer reviewed; Journal article, 2024) -
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 ... -
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 ... -
Optimizing methane recovery: Techno-economic feasibility analysis of N2-selective membranes for the enrichment of ventilation air methane
(Peer reviewed; Journal article, 2020)Utilization of the low concentration methane from coal-mining ventilation air is challenging but can significantly contribute to the mitigation of methane emissions to the atmosphere. This work focuses on the techno-economic ... -
Polymeric membranes and their derivatives for H2/CH4 separation: State of the art
(Peer reviewed; Journal article, 2022)The hydrogen economy becomes an important route in approaching carbon neutrality. Compared to conventional methods, membrane separation possesses combined merits, including energy-saving, convenience, and economic efficiency. ... -
Removing halide ions from sulfate solutions by anion exchange membranes in electrodialysis process: Recent advances, challenges, and prospects
(Journal article; Peer reviewed, 2024)Removing halide ions from wastewater and industrial effluents is crucial to eliminating their potential risks to human health, ecosystems, and industrial operations. However, conventional techniques for this process are ... -
Thin film nanocomposite membranes fabricated via 2D ZIF-67 nanosheets and 1D nanofibers with ultrahigh water flux for dye removal from wastewater
(Journal article; Peer reviewed, 2024)Thin-film nanocomposite (TFN) membranes based on metal–organic frameworks (MOFs) have received increasing attention in the field of water treatment. However, TFN membranes with both high permeance and rejection rates are ...