Institutt for kjemisk prosessteknologi
Recent Submissions
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Synthesis of Crosslinked PEG/IL Blend Membrane via One-Pot Thiol–Ene/Epoxy Chemistry
(Journal article, 2020)Poly(ethylene glycol) (PEG)-based membranes have obtained considerable attentions for CO2 separation for their promising CO2 separation performance and excellent thermal/ chemical resistance. In this work, a one-pot ... -
Synthesis of Crosslinked PEG/IL Blend Membrane via One-Pot Thiol–Ene/Epoxy Chemistry
(Journal article, 2020)Poly(ethylene glycol) (PEG)-based membranes have obtained considerable attentions for CO2 separation for their promising CO2 separation performance and excellent thermal/ chemical resistance. In this work, a one-pot ... -
Carbon Membranes for CO2 Removal: Status and Perspectives from Materials to Processes
(Peer reviewed; Journal article, 2020)CO2 removal from gas streams using energy-efficient and environmentally friendly separation technologies can contribute to achieving a low-carbon energy future. Carbon membrane systems for hydrogen purification, post-combustion ... -
Viscoelastic properties of interfacial lignosulfonate films and the effect of added electrolytes
(Peer reviewed; Journal article, 2020)New evidence is presented, which confirmed interfacial gelling of lignosulfonates in presence of di- and trivalent cations. In this article, the viscoelastic properties of lignosulfonate films at the water-xylene interface ... -
Mapping Diluents for Water-Lean Solvents: A Parametric Study
(Peer reviewed; Journal article, 2020)Water-lean solvents are typically defined as mixtures between an organic diluent and an amine. These solvents are thought to deliver potential benefits in CO2 capture systems, such as enhanced mass transfer properties, ... -
Lessons learned from an experimental campaign on promoting energy content of renewable biogas by injecting H2 during anaerobic digestion
(Peer reviewed; Journal article, 2020)Direct injection of H2 to an anaerobic reactor enables biological fixation of CO2 into CH4 (biomethanation) and consequently boosts methane content in the produced biogas. However, there has been only a small amount of ... -
Facilitated transport membranes containing graphene oxide-based nanoplatelets for CO2 separation: Effect of 2D filler properties
(Peer reviewed; Journal article, 2020)Realization of suitable membrane-based technology for efficient CO2 capture to mitigate climate change relies on the development of thin-film composite (TFC) membranes with superior separation performance. Graphene oxide ... -
Three-phase Hybrid Facilitated Transport Hollow Fiber Membranes for Enhanced CO2 Separation
(Peer reviewed; Journal article, 2020)The configuration of thin film composite (TFC) in the form of hollow fiber is desired for gas separation membranes to achieve better gas permeation and higher packing density. In this work, we developed and tested TFC ... -
Solubility and Heat of Absorption of CO2 into Diisopropylamine and N,N-Diethylethanolamine Mixed with Organic Solvents
(Journal article; Peer reviewed, 2020)We have evaluated the vapor–liquid equilibrium and heat of absorption of CO2 over water-lean mixtures of the amines diisopropylamine and N,N-diethylethanolamine (DEEA). This extends our previous research on water-lean ... -
Mechanical and Thermal Properties of Carboxymethyl fibers (CMF)/PVA based nanocomposite membranes
(Peer reviewed; Journal article, 2020)Carboxymethyl fibers (CMF) of cellulose are renewable biopolymer and have shown strong reinforcing properties when added to a compatible polymer matrix. The objective of this study was to investigate the effect of CMF on ... -
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 ... -
Effects of the Morphology of the ZIF on the CO2 Separation Performance of MMMs
(Peer reviewed; Journal article, 2020)In this study, three zeolitic imidazolate frameworks (ZIFs) with different shapes—particles (0D), microneedles (1D), and leaves (2D)—were synthesized by tuning the polymeric additives. These ZIFs have been dispersed into ... -
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, ... -
A core flood and microfluidics investigation of nanocellulose as a chemical additive to water flooding for EOR
(Peer reviewed; Journal article, 2020)Cellulose nanocrystals (CNCs) and 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO)-oxidized cellulose nanofibrils (T-CNFs) were tested as enhanced oil recovery (EOR) agents through core floods and microfluidic experiments. ... -
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 ... -
Energy Recovery From Furnace Off-Gas: Analysis of an Integrated Energy Recovery System by Means of Dynamic Simulation
(Chapter, 2020)Surplus heat recovery and electricity generation from furnace off-gas has been implemented at several silicon and ferro-alloy plants in Norway. There is likely significant potential for improvement of both technology ... -
Evaluation of anti-agglomerate hydrate inhibitor in water-in-crude oil emulsions of different water cut
(Peer reviewed; Journal article, 2020)A commercially available anti-agglomerant (AA) was evaluated in water-in crude oil (W/CO) emulsions at different water cut. The injection of an AA to an emulsion affects the induction time and rate of hydrate formation. ... -
Optimal operation and control of heat to power cycles: A new perspective from a systematic plantwide control approach
(Peer reviewed; Journal article, 2020)In this work, we use a plantwide control framework to systematically identify the control objectives, operational and environmental constraints, and degrees of freedom for a heat to power cycle with a drum, one pressure ... -
Significance of C3 Olefin to Paraffin Ratio in Cobalt Fischer–Tropsch Synthesis
(Peer reviewed; Journal article, 2020)The ratio between propene and propane (C3 o/p) during Fischer–Tropsch synthesis (FTS) has been analyzed based on both literature reports and experiments for five catalysts. The latter comprise four cobalt catalysts on ... -
Wood-based nanocellulose and bioactive glass modified gelatin-alginate bioinks for 3D bioprinting of bone cells
(Peer reviewed; Journal article, 2019)A challenge in the extrusion-based bioprinting is to find a bioink with optimal biological and physicochemical properties. The aim of this study was to evaluate the influence of wood-based cellulose nanofibrils (CNF) and ...
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