Institutt for kjemisk prosessteknologi
Recent Submissions
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Iterative sub-network component analysis enables reconstruction of large scale genetic networks
(Peer reviewed; Journal article, 2015)Background:Network component analysis (NCA) became a popular tool to understand complex regulatorynetworks. The method uses high-throughput gene expression data and a priori topology to reconstruct transcriptionfactor ... -
Comparative study on the photocatalytic hydrogen producton from methanol over Cu, Pd, Co and Au loaded TiO2
(Peer reviewed; Journal article, 2015)Photocatalytic hydrogen production from a methanol-water solution was investigated in a semi-continuous reactor over different metal-loaded TiO2 catalysts under UltraViolet (UV) light irradiation. The catalysts were mainly ... -
Strength and Barrier Enhancements of Cellophane and Cellulose Derivative Films: A Review
(Peer reviewed; Journal article, 2013)Cellulose derivatives, i.e. cellulose functionalized in a solvent state with various side groups, are an important source of biomaterials for food packaging. This review considers the following materials: i) cellophane, ... -
Effect of Various Parameters on the Thermal Stability and Corrosion of CO2-Loaded Tertiary Amine Blends
(Peer reviewed; Journal article, 2020)In this study, the thermal stability and corrosivity of various CO2-loaded tertiary amine blends in both aqueous and non-aqueous form in stainless steel cylinders were studied for combined acid gas and water removal. The ... -
Control Degrees of Freedom for Optimal Operation and Extending Remaining Useful Life
(Doctoral theses at NTNU;2020:188, Doctoral thesis, 2020) -
Interactions between Asphaltenes and a Model Demulsifier in Bulk and at an Interface Studied by Small-Angle Neutron Scattering (SANS) and Neutron Reflectometry
(Peer reviewed; Journal article, 2020)This article describes neutron reflectometry to probe the structure of the asphaltene layer adsorbed onto a hydrophilic silicon surface and the interactions between asphaltenes and a model demulsifier (pluronic). To start ... -
Poly(vinylimidazole-co-butyl acrylate) membranes for CO2 separation
(Peer reviewed; Journal article, 2019)Room temperature ionic liquids (RTILs) are known to exhibit high CO2 solubility, which makes them interesting candidates for separation and purification of mixed gas streams. Particularly, RTILs based on imidazoles have ... -
Carbon Dioxide Solubility in Phosphonium-Based Deep Eutectic Solvents: An Experimental and Molecular Dynamics Study
(Peer reviewed; Journal article, 2019)Considering the great potential of deep eutectic solvents (DESs) for CO2 capture, this work studies the CO2 solubility in DESs by combining experimental measurement and molecular dynamics (MD) simulation. First, four ... -
Humidity-responsive Molecular Gate-opening mechanism for Gas Separation in Ultraselective Nanocellulose/IL Hybrid Membranes
(Peer reviewed; Journal article, 2020)Nanofibrillated cellulose (NFC) represents an important class of bio-based nanomaterials that possess favorable properties including hydrophilicity, 1D structure, biodegradability, and surface tunability. Although widely ... -
Subsea natural gas dehydration with membrane processes: Simulation and process optimization
(Peer reviewed; Journal article, 2019)Subsea processing enables broader exploration of oil and gas reservoir, giving an increased focus on developing alternative processes for subsea oil and gas treatment. This work provides a first evaluation of a new proposed ... -
Pebax/PEG Grafted CNT Hybrid Membranes for Enhanced CO2/N2 Separation
(Peer reviewed; Journal article, 2019)In the present study, poly(ethylene glycol) (PEG) functionalized carbon nanotubes (CNT-PEG) were used as nanoadditives to fabricate hybrid membranes for enhanced CO2 separation in Pebax 1657 matrix. The resultant membranes ... -
Crystallization kinetics and growth of struvite crystals by seawater versus magnesium chloride as magnesium source: Towards enhancing sustainability and economics of struvite crystallization
(Peer reviewed; Journal article, 2020)The recycling of nutrients from wastewater and their recovery in the form of valuable products is an effective strategy to accelerate the circular economy concept. Phosphorus recovery from wastewater by struvite crystallization ... -
Renewable CO2 recycling and synthetic fuel production in a marine environment
(Peer reviewed; Journal article, 2019)Humankind must cease CO2 emissions from fossil fuel burning if dangerous climate change is to be avoided. However, liquid carbon-based energy carriers are often without practical alternatives for vital mobility applications. ... -
Influence of Asphaltenes on Gelation of Tetrameric Acid with Calcium Ion at the Oil/Water Interface under Flow-Model Condition
(Peer reviewed; Journal article, 2020)The first step in calcium naphthenate deposition is supposed to be the formation of an interfacial gel by cross-linking between ARN tetrameric acid and Ca2+. Several aspects of the inhibition of the interfacial gel formation ... -
Thermodynamic modelling of unloaded and loaded N,N-diethylethanolamine solutions
(Peer reviewed; Journal article, 2016)Chemical absorption is a crucial step for several chemical processes such as ammonia production, coal gasification, methane reforming, ethylene oxide manufacturing and treatment of associated gas streams [1]. It is considered ... -
Biodiesel production by reactive flash: A numerical simulation
(Peer reviewed; Journal article, 2016)Reactive flash (RF) in biodiesel production has been studied in order to investigate steady-state multiplicities, singularities, and effect of biodiesel quality when the RF system approaches to bubble point. The RF was ... -
Production of high pressure pure H2 by pressure swing sorption enhanced steam reforming (PS-SESR) of byproducts in biorefinery
(Peer reviewed; Journal article, 2018)Hydrogen is highly demanded in biorefinery, and hydrogen production from renewable sources is essential to produce truly green transportation fuels from biomass. The present work demonstrates experimentally the production ... -
Trend of Fire Outbreaks in Ghana and Ways to Prevent These Incidents
(Peer reviewed; Journal article, 2016)Background In Ghana, fire incidents have become a regular occurrence, with thousands of lives and millions of dollars lost every year. Hardly a day passes without news of a fire outbreak in some part of Ghana, causing ... -
Active sites of Pt/CNTs nanocatalysts for aerobic base-free oxidation of glycerol
(Peer reviewed; Journal article, 2019)Understanding the nature of Pt active sites is of great importance for the structure-sensitive base-free oxidation of glycerol. In the present work, the remarkable Pt particle size effects on glycerol conversion and products ... -
Core-Shell Nanostructures of Graphene-Wrapped CdS Nanoparticles and TiO2 (CdS@G@TiO2): The Role of Graphene in Enhanced Photocatalytic H2 Generation
(Peer reviewed; Journal article, 2020)Aiming to achieve enhanced photocatalytic activity and stability toward the generation of H2 from water, we have synthesized noble metal-free core-shell nanoparticles of graphene (G)-wrapped CdS and TiO2 (CdS@G@TiO2) by a ...
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