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Yazar "Önsan, Zeynep İlsen." için M.S. Theses listeleme

Yazar "Önsan, Zeynep İlsen." için M.S. Theses listeleme

Sırala: Sıra: Sonuçlar:

  • A parametric study of selective CO oxidation using particulate and monolithic Pt-Co-CeO2 catalysts 
    Dikman, Funda. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    The objective of this thesis was to conduct a parametric study of selective CO oxidation using particulate and monolithic Pt-Co-CeO2 catalyst supported on alumina. In this comparative study, the monolithic catalysts were ...
  • A study on catalytic dimethyl ether production from synthesis gas with CO2 
    Altınsoy, Necdet Semih. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    Increasing concerns on the emissions of hazardous species have boosted efforts towards development of cleaner alternatives of the conventional, crude-oils based fuels. In this respect, dimethyl ether (DME) is envisioned ...
  • Catalyst development for hydrocarbon production by carbon monoxide hydrogenation 
    Erol, Murat. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    The aim of this work was the development and testing of supported rhodium catalysts for hydrocarbon production by CO hydrogenation. Four different catalysts were prepared by sequential or co-impregnation to incipient wetness ...
  • Cell growth and ethanol production characteristics of immobilized S. cerevisiae in a batch system with nutrient recirculation 
    Birol, Gülnur (Deniz). (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1992., 1992.)
    Recently, there has been world-wide interest in the production of ethanol by fermentation as an alternative to chemical feed stock and as a gasoline extender. Savings in utilities as well as reduction in fixed costs can ...
  • Comparison of the performances of different catalytic reactor types for the water-gas shift reaction using computer simulations 
    İlhan, Nilüfer. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    The low temperature water-gas shift reaction is mathematically modeled for packedbed and monolith reactors by applying mass, energy and momentum balances at steadystate. One-dimensional pseudo-homogeneous and heterogeneous ...
  • Comperative study of low temperature water gas shift reaction over partıculate and monolithic catalysts 
    Tuna, Sevinç. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Low temperature water gas shift (LTWGS) performance of supported Pt-ceria catalysts was investigated over particulate and monolithic structures using both pure and mixed realistic feed compositions in the 225-300oC range. ...
  • Construction and testing of a bench- scale reactor system for autothermal reforming of methane 
    Öztürk, İlker. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    The major aim of this study was the construction and testing of a bench-scale reactor system suitable for studying the steam reforming (SR) and auto-thermal reforming (ATR) of methane to produce clean hydrogen with high ...
  • Construction and testing of a low-temperature water-gas shift reaction system 
    Şen, Özlem. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    The objective of this study was to construct and test of a low-temperature water-gas shift reaction system. A system consisting of mass flow controllers for gases, HPLC pump for water, an evaporation and gas-mixing section, ...
  • Design of bench-scale methane processing reactors for hydrogen-driven PEM fuel cells 
    Maşalacı, Emre. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    The steady state behaviour of conversion of methane to hydrogen in the fuel processor system is investigated using computer-based modeling/simulation techniques for use in small scale fuel cell applications. The fuel ...
  • Determination of heat transfer coefficients in stirred tank systems 
    Aksan, Devlet. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1985., 1985.)
    Heat transfer coefficients for helically coiled and continuously stirred tanks were determined using flat paddle turbine impellers. Heat transfer experiments have been carried out by varying the inlet temperature, flowrate ...
  • Development and verification of a two phase reactor model for industrial light naphtha isomerization reactors 
    Acar, Hilal Fidan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    Isomerization process is one of the most important chemical processes used in the petroleum industry. Its product is named as the “isomerate” which is the major element of the gasoline pool that compensates for the octane ...
  • Drifts study of selective CO oxidation on Au/Al2O3 catalyst 
    Leba, Aybüke. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    The aim of this study was to investigate the surface species formed during the selective CO oxidation over 1 wt. % Au/Al2O3 catalyst prepared by homogeneous deposition-precipitation method. The surface analyses were carried ...
  • Dynamic simulation of an indirect partial oxidation reactor for methane conversion to hydrogen 
    Karakaya, Mustafa. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    The steady and dynamic behavior of a catalytic indirect partial oxidation (combinedtotal oxidation/steam reforming) reactor for the conversion of methane to hydrogen isinvestigated using computer-based modeling/simulation ...
  • Gas chromatographic study of hydrocarbon adsorption on platinum/alumina catalyst 
    Yıldırım, Ramazan, 1962- (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1988., 1988.)
    The adsorption of three normal paraffins (n-pentane, n-hexane and n-heptane) and one isoparaffin (i-octane) on the commercial 0.3 %. wt PtJAI03 reforming catalyst were investigated using the elution (or the pulse) technique ...
  • Gas chromatographic study of hydrogen and hydrocarbon adsorption on platinum/alumina catalyst 
    Gönenç, Z. Sermin. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1985., 1985.)
    The irreversible and the reversible adsorption of hydrogen on commercial 0.3%wt Pt/Aı2O3 reforming catalyst has been studied in a gas-solid chromatograph in the temperature range 74-233 °C and 96-237 °C respectively. The ...
  • Heat transfer coefficients for finned tubed coil immersed in agitated vessel 
    Kızılçeç, Fatma. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1986., 1986.)
    Heat transfer coefficients for agitated liquids in a flat bottomed vessel equipped with finned tube helical coil were determined over the 125-500r.p.m range of agitator speeds by using a flat paddle turbine impeller in ...
  • Investigation of CO hydrogenation catalysts for direct synthesis of dimethyl ether 
    Ekmen, Çiğdem. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    The aim of this work was to prepare and test bi-functional direct DME synthesis catalysts, including commercial ones, involving methanol synthesis and methanol dehydration functions. Catalyst beds were prepared by physical ...
  • Investigation of CO hydrogenation catalysts for producing oxygenated hydrocarbons 
    Kabakçı, Didem Büşra. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    The objective of this study was to test the performance of promoted rhodium catalysts supported on silica for oxygenated hydrocarbon (particularly ethanol) production by CO hydrogenation. Two different catalysts were ...
  • Investigation of CO oxidation kinetics over gold catalysts 
    Ülgüel, Caner. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    This experimental study involves preliminary work conducted over 0.5wt%Au/Al2O3 and kinetic study of low-temperature CO oxidation over 1wt%Au/1.25-wt%MgO/Al2O3 prepared by the homogeneous deposition-precipitation method. ...
  • Kinetics of low temperature CO oxidation over activated carbon supported Pt-CeOx catalyst 
    Gülyüz, Berrin. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    Kinetics of low-temperature CO oxidation was studied both in the presence and in the absence of carbon dioxide and hydrogen over air-oxidized activated carbon supported Pt-CeOx catalyst prepared by sequential impregnation ...

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