Institutt for kjemisk prosessteknologi
Recent Submissions
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Heat Integration Study of CO2 Capture in Blue Hydrogen Production
(Peer reviewed; Journal article, 2023)Hydrogen is an energy carrier that can be used to develop a low-carbon economy: the hydrogen-based industry. For this purpose, a source of hydrogen is needed. Steam methane reforming (SMR) is the current benchmark to produce ... -
Understanding the Effect of Asphaltenes and Wax Inhibitors on Wax Crystallization by Improved NMR Techniques
(Journal article; Peer reviewed, 2023)Wax crystallization represents one of the main factors impacting flow assurance during oil production. Pour point depressants (PPDs) and asphaltenes present in crude oil have been linked to modifications in wax crystallization ... -
An Comparative Study: Model-Based vs. Noise Estimation Approach for State Estimation
(Master thesis, 2023)Denne oppgaven tar for seg en analyse av en bioprosessmodell, som omfatter en sammenlignende undersøkelse av to forskjellige estimeringsteknikker. Selve estimeringsteknikkene er foreslått av Krog & Jäschke[21] og Berry & ... -
Biochar characterization and its application for removal of pharmaceuticals pollutants
(Master thesis, 2023)Biochar is widely studied and applied for its beneficial effects in different fields. It has prominent characteristics to behave as efficient and cost-effective sorbent. This study investigates surface properties, porosity ... -
From Nickel Ore to Ni Nanoparin the Extraction Process: Properties and Application
(Journal article; Peer reviewed, 2023)Laterite nickel ore is a mineral rock, which contains iron–nickel oxide compounds. One processing technology proposed to treat the ore is the Caron process. In general, the Caron process combines pyrometallurgical and ... -
Properties of Rare-Earth Element in Magnetic Material and Its Processing
(Peer reviewed; Journal article, 2023)Rare-earth metal is one of the critical elements because of its small amount with a lot of demand for this metal in a variety of the latest technologies, which are currently developed fast and intensively. The use of ... -
Superstructure optimization of subsea processing layouts
(Journal article; Peer reviewed, 2023)As the oil and gas industry expands the use of subsea processing, the complexity of subsea layouts increases, making manual design processes cumbersome and suboptimal. Here we propose a method to support subsea field design ... -
Cuttings-Bed Erosion in Horizontal Wells: Biopolymers Impact and its Rheological Dependence
(Journal article, 2023)Efficient wellbore cleaning in highly deviated and horizontal wells is a challenge, as there are large areas where the cuttings tend to be deposited. Insufficient wellbore cleaning could cause major operational problems ... -
Influence of Inorganic Nanoparticles on Drug Release from Stimuli-Responsive Nanogels
(Master thesis, 2023)Målrettet medisinering er et lovende alternativ til systemisk kreftbehandling, som har potensiale til å øke den terapeutiske effekten og redusere bivirkninger. Stimuli-responsive nanogeler som er inkorporert med uorganiske ... -
Investigating the Influence of Water Wash Design and Operating Conditions on MEA Emissions in Amine Scrubbing
(Master thesis, 2023)Karbonfangst spiller en avgjørende rolle i bekjempelsen av den presserende utfordringen med klimaendringer. Ettersom utslippene av drivhusgasser fortsetter å øke, har behovet for effektive strategier for å redusere ... -
Enhancing Oil Recovery by Polymeric Flooding with Purple Yam and Cassava Nanoparticles
(Peer reviewed; Journal article, 2023)Significant amounts of oil remain in the reservoir after primary and secondary operations, and to recover the remaining oil, enhanced oil recovery (EOR) can be applied as one of the feasible options remaining nowadays. In ... -
Cation Exchange Membranes and Process Optimizations in Electrodialysis for Selective Metal Separation: A Review
(Peer reviewed; Journal article, 2023)The selective separation of metal species from various sources is highly desirable in applications such as hydrometallurgy, water treatment, and energy production but also challenging. Monovalent cation exchange membranes ... -
Stability of Solvents for Gas Purification
(Doctoral theses at NTNU;2023:293, Doctoral thesis, 2023)The main objective of this work was to increase the understanding of the chemical processes occurring as solvents used in gas purification degrade. Amine systems for CO2 capture and glycol systems for gas dehydration were ... -
A Reinforcement Learning Framework to Discover Natural Flavor Molecules
(Peer reviewed; Journal article, 2023)Flavor is the focal point in the flavor industry, which follows social tendencies and behaviors. The research and development of new flavoring agents and molecules are essential in this field. However, the development of ... -
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 ... -
A fast, low-cost, robust and high-throughput method for viral nucleic acid isolation based on NAxtra magnetic nanoparticles
(Peer reviewed; Journal article, 2023)The year of 2020 was profoundly marked by a global pandemic caused by a strain of coronavirus named severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the etiological agent of coronavirus disease 2019 (COVID-19). ... -
Enhancing ASP Flooding by Using Special Combinations of Surfactants and Starch Nanoparticles
(Peer reviewed; Journal article, 2023)This study aimed to address the challenges faced by mature oilfields in extracting substantial oil quantities. It focused on improving the efficiency of alkaline–surfactant–polymer (ASP) flooding technique, which is a ... -
Enhancing polyol/sugar cascade oxidation to formic acid with defect rich MnO2 catalysts
(Peer reviewed; Journal article, 2023)Oxidation of renewable polyol/sugar into formic acid using molecular O2 over heterogeneous catalysts is still challenging due to the insufficient activation of both O2 and organic substrates on coordination-saturated metal ... -
A new facility for viscosity measurements of CO2-rich mixtures at conditions relevant to CO2 capture, transport and storage
(Doctoral theses at NTNU;2023:254, Doctoral thesis, 2023) -
Employing Machine Learning for solvent development in the CO2 capture industry
(Master thesis, 2023)Motivasjonen bak denne forskningen var å dypere forstå maskinlæring (ML) algoritmer og metoder, spesielt med hensyn til manglende data, med mål om å kartlegge ønskede egenskaper og strukturer i aminløsningsmidler, brukt i ...
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