Blar i Institutt for kjemisk prosessteknologi på dokumenttype "Doctoral thesis"
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Carbon dioxide absorption into hydroxide and carbonate systems
(Doktoravhandlinger ved NTNU, 1503-8181; 2014:265, Doctoral thesis, 2014)In the global warming scenario, a literature review on carbon dioxide capture technologies shows that CO2 capture by chemical absorption seems to be the immediately viable route for sustainable energy supply in near future. ... -
Carbon dioxide capture with carbonate systems
(Doktoravhandlinger ved NTNU, 1503-8181; 2009:115, Doctoral thesis, 2009) -
Carbon formation phenomena and the initial stage of metal dusting corrosion –an experimental investigation
(Doktoravhandlinger ved NTNU, 1503-8181; 2014:27, Doctoral thesis, 2014)Metal dusting corrosion is high temperature degradation of metals and alloys into dust-like fine particles. It is often encountered in petrochemical industry, where metals and alloys extensively exposed to carbon containing ... -
Carbon Molecular Sieve Hollow Fiber Membranes for CO2 Removals
(Doctoral theses at NTNU;2020:401, Doctoral thesis, 2020)New technologies that are more energy efficient could, if applied in the large-scale CO2 removal process, reduce carbon dioxide emissions, and achieve a low-carbon future. Compared to traditional amine-based absorption, ... -
Catalyst Development of Ethylene Oxychlorination to Ethylene Dichloride and Vinyl Chloride
(Doctoral theses at NTNU;2023:372, Doctoral thesis, 2023)Vinyl chloride monomer (VCM) is a critical component in the production of polyvinyl chloride (PVC), one of the most extensively used plastic polymers, through the polymerization process. The global VCM industry capacity ... -
Catalyst formulations for use in microstructured reactors for conversion of synthesis gas to liquids
(Doktoravhandlinger ved NTNU, 1503-8181; 2011:15, Doctoral thesis, 2011)Potential natural gas reserves in the world are more than 6000 trillion cubic feet. However, approximately 25% of these gas reserves are located offshore with no economic feasibility to be produced, transported and sold. ... -
Catalysts for electrochemical conversion of CO2 in aqueous solutions
(Doctoral theses at NTNU;2017:82, Doctoral thesis, 2017)An artificial photosynthesis process can 1) utilise renewable energy from the sun, 2) facilitate convenient energy storage in chemical bonds, 3) supply feed-stock to the chemical industry, and 4) recycle CO2 in a CO2-neutral ... -
Catalytic isomerization of light alkanes
(Doktoravhandlinger ved NTNU, 1503-8181; 2004:160, Doctoral thesis, 2004)In recent years the levels of sulfur and benzene in the gasoline pool have been reduced, and in the future there may also be new regulations on vapor pressure and the level of aromatics and olefins as well. The limitations ... -
Catalytic oxidation of NO to NO2 for nitric acid production
(Doctoral theses at NTNU;2019:376, Doctoral thesis, 2019) -
Catalytic partial oxidation of methane to synthetis gas
(Dr. ingeniøravhandling, 0809-103X; 2000:79, Doctoral thesis, 2000) -
Cellulose Nanofibrils as Paper Additive and Coating Material: Properties, Distribution and Interaction Effects
(Doctoral theses at NTNU;2018:115, Doctoral thesis, 2018)Cellulose is well-known as the most common bio-polymer on earth. In the cell wall of most plants, it is organized in nanoscopic structures with interesting properties for a wide range of applications, among them as an ... -
Cellulose nanofibrils as rheology modifiers and stabilizers in food systems
(Doctoral theses at NTNU;2020:291, Doctoral thesis, 2020)Food additives are components used in many food products to improve qualities such as flavor, appearance or texture. In low-fat and non-fat food products, food additives called fat-replacers are added to the food products ... -
Characterisation of crude oil components, asphaltene aggregation and emulsion stability by means of near infrared spectroscopy and multivariate analysis
(Doctoral thesis, 2002)Effective separation of water-in-crude oil emulsions is a central challenge for the oil industry on the Norwegian Continental Shelf, especially with the future increase in subsea and even down-hole processing of well-fluids. ... -
Characterization of Crude Oil-Water and Solid -Water Interfaces and Adsorption / Desorption Properties of Crude Oil Fractions: The Effect of Low Salinity Water and pH
(Doktoravhandlinger ved NTNU, 1503-8181; 2010:173, Doctoral thesis, 2010)The reservoirs of conventional oil are rapidly depleting because of increased production and consumption of crude oil in the world. Mature and mostly depleted oil reservoirs require advanced recovery techniques to sustain ... -
Characterization of diethylenetriamine (DETA) as absorbent for CO2
(Doktoravhandlinger ved NTNU, 1503-8181; 2009:130, Doctoral thesis, 2009)Absorption of CO2 with amine-based absorbents is an established and proven technology. Unfortunately, it is still very energy intensive and has high capital costs. The overall challenge when aiming at using this technology ... -
Characterization of packing materials for CO2 absorption
(Doktoravhandlinger ved NTNU, 1503-8181; 2011:319, Doctoral thesis, 2011) -
Characterization of solid particle suspensions with organic coatings in oilfield produced water
(Doktoravhandlinger ved NTNU, 1503-8181; 2008:226, Doctoral thesis, 2008)Produced water is water trapped in underground formations that is brought to the surface along with oil or gas. In general, produced water is a mixture of dispersed oil in water (o/w), dissolved organic compounds (included ... -
Chemical Modification of Microfibrillated Cellulose: Effects on Film Barrier Properties
(Doktoravhandlinger ved NTNU, 1503-8181; 2011:303, Doctoral thesis, 2011)A global demand for environmental sustainability is a strong driving force towards the development of enhanced barrier concepts and the use of new materials, especially for packaging applications. Abundant and renewable, ... -
Chemical Modification of Paraffin Wax-Oil Gels
(Doctoral theses at NTNU;2019:222, Doctoral thesis, 2019)Paraffin wax crystallized in petroleum production line is well known in causing flow assurance challenges. Wax crystallization behavior is influenced by its interaction with other components co-exist in petroleum fluids. ... -
Chemical Reactor Investigations; Modeling, Implementation and Simulation
(Doktoravhandlinger ved NTNU, 1503-8181; 2014:12, Doctoral thesis, 2014)Applied to chemical reactor problems, this work involves mathematical modeling, analyzes of numerical methods, and simulation studies. The simulation results presented are based on in-house codes. The first part deals ...