Blar i Department of Chemistry på tittel
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Physical Chemistry of Mechanisms for Low Salinity Waterflood
(Master thesis, 2013-10-23)Low salinity injection as an alternative EOR method to enhance the production of reserves has for decades been investigated. Increasing evidence that reduction in brine salinity can cause a significant impact on the oil ... -
Physico-Chemistry Characterization of Sulfonated Polyacrylamide Polymers for Use in Polymer Flooding
(Doctoral thesis, 2010-06-01)Hydrolyzed polyacrylamide polymer (HPAM) as a feasible and effective viscosifier has been fully studied and used for polymer flooding processes in several oil field, e.g. Daqing oil field. It has been shown that Hydrolyzed ... -
Polar Components in Crude Oils and Their Correlation to Physiochemical Properties.
(Master thesis, 2016-06-01)The composition and properties of crude oils have been subjected to much scrutinization over the past decades due to the decreasing oil quality and thus increasingly difficult oil recovery. The physical properties of crude ... -
Polymer flow in porous media: Relevance to Enhanced Oil Recovery
(Peer reviewed; Journal article, 2018-07-10)Polymer flooding is one of the most successful chemical EOR (enhanced oil recovery) methods, and is primarily implemented to accelerate oil production by sweep improvement. However, additional benefits have extended the ... -
Polymer Injectivity : Experimental Studies of Flow in Porous Media for EOR Polymers
(Doctoral thesis, 2021-02-12)Despite the maturity of the polymer flooding process that is applied in enhanced oil recovery (EOR) technologies, the core of the process, which is the flow of the polymer in porous media, is poorly understood. The types ... -
Polymer Injectivity Test Design Using Numerical Simulation
(Journal article; Peer reviewed, 2020-04-03)Polymer flooding is an enhanced oil recovery (EOR) process, which has received increasing interest in the industry. In this process, water-soluble polymers are used to increase injected water viscosity in order to improve ... -
Polymer Injectivity: Investigation of Mechanical Degradation of Enhanced Oil Recovery Polymers Using In-Situ Rheology
(Peer reviewed; Journal article, 2018-12-24)Water soluble polymers have attracted increasing interest in enhanced oil recovery (EOR) processes, especially polymer flooding. Despite the fact that the flow of polymer in porous medium has been a research subject for ... -
Potential for bio-oil production from biodiesel production residues, with emphasis on African feedstocks
(Master thesis, 2017-01-30)Utilization of waste products from biomass have been scarcely research on. These wastes have been a major environmental hazard which involves a lot of capital and effort to curb. Thermochemical conversion using the LtL ... -
Predicting the Skin Sensitization Potential of Small Molecules with Machine Learning Models Trained on Biologically Meaningful Descriptors
(Journal article; Peer reviewed, 2021)In recent years, a number of machine learning models for the prediction of the skin sensitization potential of small organic molecules have been reported and become available. These models generally perform well within ... -
Predictive associations between serum fatty acids and lipoproteins in healthy non-obese Norwegians: implications for cardiovascular health
(Peer reviewed; Journal article, 2016-01)A battery of methods for multivariate data analysis has been used to assess the associations between concentrations of fatty acids (FAs) and lipoprotein subclasses and particle size in serum for a normolipidemic population ... -
Probing myelin-specific membrane proteins using hybrid nanoparticles
(Master thesis, 2020-12-03)Neuroscience is the study of the nervous system and its diseases. Neurological diseases are common and among the least understood class of disease in humans. Demyelinating diseases,, such as multiple sclerosis and ... -
Process Monitoring of Continuous Flow Organic Syntheses by means of Inline Fiber Optical Raman Spectroscopy
(Master thesis, 2010-02-08)The objective of the current study was to investigate the feasibility of the inline optical fiber Raman spectroscopy as a tool for the process monitoring of the continuous flow organic syntheses. The synthesis of 2-bromo-3,4,5- ... -
The production and characterization of drug-loaded liposomal and PLGA nanocarriers for targeted treatment of acute myeloid leukemia
(Master thesis, 2016-06-01)While some progress has been made lately in developing transplantation therapy against acute myeloid leukemia (AML), it remains a problematic and aggressive disease, associated with both poor survival, as well as treatments ... -
A project in renewable fuels: A study of the catalytic activity of sulfated H-Ni-Mo catalyst on ZrO2 support in the LtL-process, and development of ESI-MS method for biooils
(Master thesis, 2015-09-18)Examining the effect of a hydrogenated Ni-Mo catalyst on a zirconia support for the LtL-process and an attempt at developing a method for ESI-MS analysis of the biooils produced. Biofuels produced from lignocellulosic ... -
Promoting Coherent Science Instruction through Coherent Science Teacher Education: A Model Framework for Program Design
(Journal article; Peer reviewed, 2021)Recent research and reform efforts in science education have consistently stressed the importance of coherent science instruction, in which learning opportunities are connected and contextualized by meaningful phenomena, ... -
Purple anthocyanin colouration on lower (abaxial) leaf surface of Hemigraphis colorata (Acanthaceae)
(Peer reviewed; Journal article, 2014-09)The functional significance of anthocyanin colouration of lower (abaxial) leaf surfaces is not clear. Two anthocyanins, 5-O-methylcyanidin 3-O-(3″-(β-glucuronopyranosyl)-β-glucopyranoside) (1) and 5-O-methylcyanidin ... -
Pyridine-Stabilized Fast-Initiating Ruthenium Monothiolate Catalysts for Z-Selective Olefin Metathesis
(Peer reviewed; Journal article, 2017)Pyridine as a stabilizing donor ligand drastically improves the performance of ruthenium monothiolate catalysts for olefin metathesis in comparison with previous versions based on a stabilizing benzylidene ether ligand. ... -
Qualification of New Methods for Measuring In-Situ Rheology of Non-Newtonian Fluids in Porous Media
(Journal article; Peer reviewed, 2020)Pressure drop (ΔP) versus volumetric injection rate (Q) data from linear core floods have typically been used to measure in situ rheology of non-Newtonian fluids in porous media. However, linear flow is characterized by ... -
Quantification of Polyphenols in Seaweeds: A Case Study of Ulva intestinalis
(Peer reviewed; Journal article, 2019-12-03)In this case study, we explored quantitative 1H NMR (qNMR), HPLC-DAD, and the Folin-Ciocalteu assay (TPC) as methods of quantifying the total phenolic content of a green macroalga, Ulva intestinalis, after optimized ... -
Quantitative NMR analysis of the aqueous phase from hydrothermal liquefaction of lignin
(Journal article; Peer reviewed, 2020-08-06)Hydrothermal liquefaction (HTL) of biomass such as lignin could contribute to finding replacements for petroleum, both as a fuel and production of chemicals. The organic phase produced in formic acid assisted HTL of lignin ...