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An exponential time-differencing method for monotonic relaxation systems
(Peer reviewed; Journal article, 2014)We present first and second-order accurate exponential time differencing methods for a special class of stiff ODEs, denoted as monotonic relaxation ODEs. Some desirable accuracy and robustness properties of our methods are ... -
Exposure to ultrafine particles in the ferroalloy industry using a logbook method
(Peer reviewed; Journal article, 2020)Background: It is difficult to assess workers’ exposure to ultrafine particles (UFP) due to the lack of personal sampling equipment available for this particle fraction. The logbook method has been proposed as a general ... -
Extracellular vesicles in patients in the acute phase of psychosis and after clinical improvement: an explorative study
(Peer reviewed; Journal article, 2020)Extracellular vesicles (EVs) are cell-derived structures that transport proteins, lipids and nucleic acids between cells, thereby affecting the phenotype of the recipient cell. As the content of EVs reflects the status of ... -
Extracts of pine bark (Pinus sylvestris) inhibit Cryptosporidium parvum growth in cell culture
(Peer reviewed; Journal article, 2021)The widespread apicomplexan parasite Cryptosporidium parvum is responsible for severe gastrointestinal disease in humans and animals. The treatment options are limited, and the efficacy of available drugs is low. Bark ... -
Extrusion and characterization of high Si/Al ratio ZSM-5 using silica binder
(Peer reviewed; Journal article, 2020)Biogas upgrading is a key operation for transforming raw biogas into valuable biomethane that can be used as fuel or transported through pipelines. Pressure swing adsorption (PSA) is one possible technique that can be used ... -
Fabrication and testing of a planar microstructured concept module with integrated palladium membranes
(Peer reviewed; Journal article, 2013)A planar microstructured hydrogen separation module has been fabricated to study the hydrogen permeation through free-standing palladium-based membranes (Pd, PdCu and PdAg) with minimal influence by concentration polarization. ... -
Fabrication process parameters significantly affect the perovskite oxygen carriers materials (OCM) performance in chemical looping with oxygen uncoupling (CLOU)
(Peer reviewed; Journal article, 2019)The CLOU performance of the CaTixMn0.9−xMg0.1O3 (CMTM) perovskite-type system was investigated, comparing materials produced at laboratory scale with those made at industrial ton scale. The CLOU and conversion performances ... -
Fabrication process parameters significantly affect the perovskite oxygen carriers materials (OCM) performance in chemical looping with oxygen uncoupling (CLOU)
(Peer reviewed; Journal article, 2019)The CLOU performance of the CaTixMn0.9-xMg0.1O3 (CMTM) perovskite-type system was investigated, comparing materials produced at laboratory scale with those made at industrial ton scale. The CLOU and conversion performances were ... -
Facile and Solvent-free Fabrication of PEG-based Membranes with Interpenetrating Networks for CO2 Separation
(Peer reviewed; Journal article, 2018)For nearly two decades, membranes derived from polyethers have served as promising candidate materials for CO2 separation. Due to the inherent tendency of high-molecular-weight poly(ethylene oxide) (PEO) to crystallize and ... -
Facile synthesis approach for core-shell TiO2–CdS nanoparticles for enhanced photocatalytic H2 generation from water
(Peer reviewed; Journal article, 2018)With the ambition to design a cost-effective and highly stable photocatalyst with improved photocatalytic activity towards H2 generation by water splitting, herein we report a two-step facile synthesis approach for core-shell ... -
Facilitated transport membranes containing graphene oxide-based nanoplatelets for CO2 separation: Effect of 2D filler properties
(Journal of Membrane Science;0376-7388, 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 ... -
Factors Determining Microporous Material Stability in Water: The Curious Case of SAPO-37
(Peer reviewed; Journal article, 2020)Silicoaluminophosphates (SAPOs) are a special class of zeolites that, due to their acidic and shape-selective properties, play a major role in ion exchange and separation processes and in crude oil cracking. SAPO-37 has ... -
Factors Limiting the Apparent Hydrogen Flux in Asymmetric Tubular Cercer Membranes Based on La27W3.5Mo1.5O55.5−δ and La0.87Sr0.13CrO3−δ
(Journal article; Peer reviewed, 2019)Asymmetric tubular ceramic–ceramic (cercer) membranes based on La27W3.5Mo1.5O55.5−δ-La0.87Sr0.13CrO3−δ were fabricated by a two-step firing method making use of water-based extrusion and dip-coating. The performance of the ... -
Farmed salmon rest raw materials as a source of peptones for industrial fermentation media
(Peer reviewed; Journal article, 2020)Twelve marine peptones prepared from rest raw materials (RRM) from farmed salmon have been evaluated as nutrient sources in growth media for industrial microorganisms. The peptones were prepared from head and backbones, ... -
Fast Evaluation of Caprock Strength Sensitivity to Different CO2 Solutions Using Small Sample Techniques
(Peer reviewed; Journal article, 2021)The Draupne shale is a rock formation functioning as overburden for gas reservoirs in the Norwegian Sea and potentially as caprock for future CO2 storage locations as well. In this paper, the Draupne shale was exposed to ... -
Fast redox kinetics of a perovskite oxygen carrier measured using micro-fluidized bed thermogravimetric analysis
(Peer reviewed; Journal article, 2020)Redox kinetics of oxygen carrier in chemical looping combustion (CLC) is important for reactor design and its oxidation enthalpy is important in order to establish auto thermal demonstration. Most published redox kinetics ... -
Faster, broader, and deeper! Suggested directions for research on net-zero transitions
(Peer reviewed; Journal article, 2023)The growing attention to the political goal of achieving net-zero emissions by mid-century reflects past failures to alter the trajectory of increasing greenhouse gas (GHG) emissions. As a consequence, the world now needs ... -
Fatigue investigation of complex weldments by the means of the local strain energy density approach
(Journal article; Peer reviewed, 2018) -
Feeding a Gas Turbine with Aluminum Plant Exhaust for Increased CO2 Concentration in Capture Plant
(Journal article, 2015)Aluminum production contributes to global CO2 emissions both due to the production process itself and due to the generation of electric power required for aluminum production. A concept is presented for increasing the CO2 ... -
FEM formulation for mass diffusion through UMATHT subroutine
(SINTEF Rapport;, Research report, 2014)This report summarized the development of a Finite Element framework for the description of bulk mass diffusion of a solute (hydrogen) in metallic materials (iron/steels). The implemented governing diffusion law accounts ...