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Browsing M.S. Theses by Author "Aksoylu, Ahmet Erhan."

Browsing M.S. Theses by Author "Aksoylu, Ahmet Erhan."

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  • A DFT study on interaction between Au, Re and Au-Re surfaces with species involved in WGS reaction 
    Uzun, Ali. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    In this study, the steps of WGS reaction was investigated through studying the adsorption/co-adsorption of its reactants, products and possible intermediate species on Au(111), Re(001) and Au-Re(001) surfaces at atomic ...
  • A mathematical model based analysis for designing demo scale fuel processor 
    Demirci, Barış. (Thesis (M.A.) - Bogazici University. Institute for Graduate Studies in the Social Sciences, 2017., 2017.)
    The aim of this study is to construct a FLUENT-based mathematical model of a Demo-scale fuel processor, which will be used as the base model to obtain the optimum operating parameters of a Demo-FP that produces sufficient ...
  • A preliminary work on design and development of sour water gas shift catalysts for synthetic natural gas process 
    Özata, Hasretnur. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)
    The main goal of this study is to design and develop a model sour water gas shift catalyst showing high performance in terms of activity, stability & selectivity and conducting performance screening by mimicking the ...
  • A QM study on determination of vibrational frequencies of the surface coordinated species involved in CDRM 
    Karagöz, Burcu. (Thesis (M.A.) - Bogazici University. Institute for Graduate Studies in the Social Sciences, 2013., 2014.)
    The determination of the sites participating the reaction mechanism is of crucial importance in catalysis. Ni- and Co- based catalysts have been studied by our group for their activity in Catalytic Dry Reforming of Methane ...
  • A study on biometallic water gas shift catalysts to be used ın fuel processing 
    Güven, Sabriye. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    The aim of this study is to design and develop a Au-based, bimetallic WGS catalyst which has suitable activity and selectivity characteristics to be used in a fuel processor. The catalyst composition, preparation method, ...
  • A study on enhancing thermal stability of alumina 
    Çelebi, Gülten. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2021., 2021.)
    The use of temperature resistant support is a prerequisite for successful catalysts prepared to be used in reactions which need high temperature, like Dry and Mixed Reforming of Methane, catalytic oxidation, and combustion ...
  • A study on kinetics of methane oxidative steam reforming (OSR) over PPt-Ni/δ-Al2O3 bimetallic catalysts 
    Erdinç, Elif. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    The aim of the current study is to obtain a reliable power law type rate expression for methane OSR over Pt-Ni/δ-Al2O3 catalyst valid for practical experimental condition ranges. In this context, 0.2wt.%Pt-10wt.%Ni/δ-Al2O3 ...
  • A theoretical study on dry reforming of methane (CDRM) over cobalt metal 
    Çimenoğlu, Vasfiye. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    The aim of this study is to analyze the adsorption and reaction steps of CDRM on the Co(111) surface by using DFT calculations. In this context, the adsorption/coadsorption of reactants, reaction intermediates, and the ...
  • A theoretical study on the interaction of bimetallic Pt-Ni surface and the reactants of oxidative steam reforming reaction 
    Ercan, Elif. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Pt-Ni bimetallic system is an efficient catalyst for Oxidative Steam Reforming (OSR) reaction; the detailed experimental test results obtained from Pt-Ni system have been already given in literature. In those research ...
  • An experimental analysis on catalytic dry reforming of methane (CDRM) performance of Ni/SBA-15 system 
    Türkmen, Mustafa Olcay. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    The main objective of this study is to design and develop an efficient Ni based and SBA-15 supported mono metallic catalyst in order to produce a high yield synthesis gas via catalytic dry reforming of methane. The ...
  • An experimental study aiming to enhance the performance of OSR of a fuel processor 
    Öztepe, Cihat. (Thesis (M.A.) - Bogazici University. Institute for Graduate Studies in the Social Sciences, 2017., 2017.)
    The aim of this study is to determine the optimum operating parameters of the methane OSR unit of the Fuel Processor Prototype-FPP yielding high methane conversion activity with suppressed H2/CO product selectivity through ...
  • An experimental study on CO2 and butane adsorption on activated carbon 
    Oğur, Görkem. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    The aim of this study is to investigate the effect of textural and surface chemical properties of activated carbon (AC) samples on their CO2 and butane adsorption capacities and adsorption behavior. In the first part of ...
  • An experimental study on cobalt based catalytic DRY reforming of methane catalysts 
    Yassı, Cansu. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    The aim of this study is to design Co-based CDRM (catalytic dry reforming of methane) catalysts and to understand the CDRM reaction kinetics over their surface. The thesis consists of two parts. In the first part, a 5 wt% ...
  • An experimental study on design and characterization of CO2 adsorbents 
    Acar, Burcu. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    The aim of this study is to design and develop AC-based CO2 adsorbent(s) having both high and stable CO2 adsorption capacity, and ability to adsorb CO2 selectively from CO2-CH4 mixture. In this context, a commercial activated ...
  • An experimental study on design and development of efficient catalysts for dry reforming of methane (CDRM) 
    Paksoy, Aysun İpek. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    The overall purpose of this research study is to design and develop effective Cobased bimetallic catalyst supported on zirconia for the production of synthesis gas via CO2 reforming of methane (CDRM). In order to increase ...
  • An experimental study on design, development and perormance evaluation of catalytic DRY reforming of methane catalysts 
    Bal, Hazal. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    The overall purpose of this research study is to design and develop effective non-noble catalysts having high and stable activity with suitable H2/CO product selectivity for the production of synthesis gas via CO2 reforming ...
  • An experimental study on mixed reforming performance of Co-based catalysts 
    Erşahin, Serhat. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    The major purpose of this research study is to investigate the mixed reforming, both CDRM + SR and CDRM + POX, activity over Co-Ce/ZrO2 bimetallic catalyst, and to experimentally determine the optimal mixture of oxygen ...
  • An experimental study on optimization of Pt-based trimetallic WGS catalysts 
    Kesim, Bahar. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    The overall purpose of this study is to design and develop Pt-based, CeO2 supported trimetallic Pt-Re-V/CeO2 catalysts(s) having high WGS activity, selectivity and stability with suppressed methanation under realistic feed ...
  • An experimental study on Pt-based bimetallic oxidative steam reforming (OSR) catalysts 
    Göçmen, Bayram Ali. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2010.)
    In the current study, Pt-Ni/Al2O3 system was optimized for catalytic hydrogen production via oxidative steam reforming of propane. Oxidative steam reforming of propane was tested over four Pt-Ni/d-Al2O3 bimetallic and one ...
  • An experimental study on the effect of metal loadings on WGS performance of Au-Re system 
    Yoğurtçu, Burcu. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    The aim of the current work is to understand the effect of Au and Re loadings and Au:Re loading ratio on the WGS performance of the Au-Re/CeO2 system under the flow of realistic feeds. In this experimental work, water-gas ...

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