Blar i Fakultet for naturvitenskap (NV) på tittel
Viser treff 6374-6393 av 12692
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Kinetic study and reactor modeling of ethylene oxychlorination
(Master thesis, 2018)Oxychlorination of ethylene to 1,2-dichloroethane is a vital step in the production of polyvinyl chloride. Polyvinyl chloride is a plastic polymer that is widely used, especially in construction. The reaction is usually ... -
Kinetic Study of Butanol Production from Mixtures of Glucose and Xylose and Investigation of Different Pre-growth Strategies
(Journal article; Peer reviewed, 2019)This study proposes a dynamic model that describes key characteristics of fermentative butanol production from glucose and xylose mixtures. The model has 12 parameters and incorporates noncompetitive inhibitory interaction ... -
Kinetic study of ferrous sulfate and copper monosulfide oxidation in aqueous sulfate solution by molecular oxygen - Development of the Vitrisol process that is 100 % selective for H2S
(Master thesis, 2015)In this thesis were investigated two reactions which take place in oxidation stage of Vitrisol® process. The oxidation of ferrous ions in aqueous solution by molecular oxygen, kinetics of which have been already determined ... -
Kinetic study of high temperature water gas shift reaction
(Master thesis, 2011)The water gas shift reaction has been run at high temperature in a packed bed reactor with a nickel catalyst. The outlet was analyzed by gas chromatography. Gas phase reaction and diffusion limitations appeared to be ... -
Kinetic study of oxychlorination process
(Master thesis, 2012)The study of this project is focused on different areas. An important one is the study of the catalyst, through the experimental process it was studied the deactivation depending on parameters like temperature or reaction ... -
Kinetic Study of Oxychlorination Process
(Master thesis, 2013)The oxychlorination of ethylene is an important process in the petrochemical industry because it affords the opportunity to untilise HCl produced during the cracking of ethylene dichloride. In this project the influence ... -
Kinetic study of oxychlorination process
(Master thesis, 2014)Doped CuCl2/Alumina is the catalyst for ethylene dichloride (C2H4CL2) production. Ethylene dichloride is the intermediate for generating polyvinyl chloride (PVC) and is produced as result of catalytic oxy-chlorination of ... -
Kinetic Study of SiO2 + SiC Reaction in Silicon Production
(Master thesis, 2013)A number of researches related to kinetics of SiO2 + SiC reaction in the silicon production are limited and there is a gap between the real kinetics and mechanism of SiO2 + SiC reaction and people?s knowledge of that ... -
Kinetic Study of the Oxychlorination Process
(Master thesis, 2015)The aim of this paper is to investigate the performance and stability of the non-promoted, potassium, cerium and mixed potassium/cerium promoted CuCl2/gamma-Al2O3 during oxychlorination of ethylene using mass spectroscopy ... -
Kinetic study of vacuum evaporation of elements from ternary melts; case of dilute solution of P in Si-Al melts
(Journal article; Peer reviewed, 2019)This research is devoted to study phosphorus removal from Si-Al alloys by vacuum refining of the ternary system of dilute solutions of P in Si-20 wt%Al. The experiments were carried out in an induction furnace and after ... -
Kinetics Analysis of Steam Reforming of Methane on Sponge Iron
(Peer reviewed; Journal article, 2022)The kinetics of steam reforming of methane catalyzed by sponge iron was studied at temperatures between 875°C and 1050°C. Results shows that sponge iron acts as a catalyst and methane conversion is increased in higher ... -
Kinetics and Deactivation in the Methanol Synthesis Reaction
(Master thesis, 2011)This study is highlighting the synthesis of methanol by using Cu-based ( ) catalyst and synthesis gas, which consists a mixture of CO, CO2, H2, N2 and CH4. The catalyst was prepared as per the procedure described by the ... -
Kinetics and Mechanism of Phase Transformations from Quartz to Cristobalite
(Master thesis, 2016)The largely debated silica polymorphism has in this thesis been investigated for the transformation from β-quartz to β-cristobalite. It is done as a step in understanding and improve the furnace operations of the silicon ... -
Kinetics during hydrothermal synthesis of nanosized KxNa1-xNbO3
(Journal article, 2018)Hydrothermal synthesis is an efficient method of making nanosized functional oxide materials, and it has also been used to synthesize KxNa1−xNbO3 solid solution, a promising lead-free piezoelectric material. However, the ... -
Kinetics of Alumina Carbochlorination
(Master thesis, 2020)Kinetikken av varierende kvaliteter av alumina, Al2O3, har blitt undersøkt i reaksjon med CO og Cl2. En reaktor har blitt designet og produsert av denne grunn. Temperatur og gasstrøm har blitt variert for smelter grade ... -
Kinetics of CO2 Absorption by Aqueous 3-(methylamino)propylamine Solutions: Experimental Results and Modeling
(Journal article; Peer reviewed, 2014) -
Kinetics of CO2 Absorption by Aqueous 3-(methylamino)propylamine Solutions: Experimental Results and Modeling
(Journal article; Peer reviewed, 2014-07-09)Experimental data and a model for the initial kinetics of CO2 into 3-(methylamino)propylamine (MAPA) solutions are presented in work. MAPA has been tested as an activator for tertiary amines with encouraging results. The ... -
Kinetics of CO2 absorption into aqueous solutions of 3-dimethylamino-1-propanol and 1-(2-hydroxyethyl)pyrrolidine in the blend with 3-(methylamino)propylamine
(Journal article, 2019)The kinetics of CO2 absorption into unloaded aqueous solutions of 3-dimethylamino-1-propanol (3DMA1P) and 1-(2-hydroxyethyl)pyrrolidine (1-(2HE)PRLD) blended with 3-(methylamino)propylamine (MAPA) were studied in the ... -
Kinetics of Crystallization of Aqueous Droplets in Water-in-Crude Oil Emulsions at Low Temperatures
(Journal article; Peer reviewed, 2018)This study focused on the examination of the isothermal crystallization of aqueous droplets in water-in-crude oil emulsions with water concentrations in the range of 5 to 20 wt %. Experiments were carried out using ... -
Kinetics of hydrogen absorption and desorption in titanium
(Journal article; Peer reviewed, 2017)Titanium is reactive toward hydrogen forming metal hydride which has a potential application in energy storage and conversion. Titanium hydride has been widely studied for hydrogen storage, thermal storage, and battery ...