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Browsing Kimya Mühendisliği by Author "Yıldırım, Ramazan,"

Browsing Kimya Mühendisliği by Author "Yıldırım, Ramazan,"

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  • 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 ...
  • An experimental study on oxidative coupling of methane over Mn/Na2WO4/SiO2 catalyst 
    Düşova, Yeşim. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    The oxidative coupling of methane (OCM) over Mn/Na2WO4/SiO2 catalyst was investigated in this work. The 2wt%Mn/5wt%Na2WO4/SiO2 catalysts were prepared using various methods (such as incipient to wetness impregnation, sol-gel ...
  • Analysis of published data in the literature to extract knowledge for Fischer-Tropsch synthesis 
    Burnak, Barış. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    In this study, empirical global models for Fischer-Tropsch Synthesis (FTS) performance were constructed by using machine learning algorithms on the experimental data published in the literature. CO conversion in FTS was ...
  • Application of data mining tools to extract knowledge for dry reforming of methane from published papers in literature 
    Şener, Ayşe Neslihan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    The aim of this thesis is to extract knowledge for dry reforming of methane reaction using data mining techniques that are decision trees and artificial neural networks. Firstly, the experimental data were collected from ...
  • Au-based catalyst design for selective CO oxidation in hddrogen-rich streams 
    Tezcanlı, Sadi T. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    The objective of this study was to investigate the selective CO oxidation over Au/ -Al2O3 catalyst modified with various metal oxide promoters (such as Mg, Mn, Fe, Ni, Ce, and Co) in hydrogen-rich environment. All catalysts ...
  • CO2 reforming of CH4 over structured Ni-based catalysts 
    Leba, Aybüke. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    The aim of this study was to contribute to the development of an economical CDRM process requiring less amount of energy and utilizing cheaper, more active and more stable catalyst. For this purpose, the photocatalytic ...
  • Comparative study of hydrogen evolution over perovskites and other oxides 
    Özdemir, Pınar. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    This study aims to compare the hydrogen evolution efficiency of photocatalysts based on titanate, tantalate, and niobium perovskite as well as some other oxides in 20% aqueous solution of various sacrificial agent. The ...
  • Construction and analysis of a database for photocatalytic water splitting from the published articles 
    Can, Elif. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    The aim of this thesis was to develop a comprehensive database from published articles about photocatalytic water splitting oin literature, then to extract knowledge and to examine whether the results of an unperformed ...
  • Data mining for carbon dioxide adsorption over amine modified adsorbents from publications in literature 
    Yıldız, Merve Gamze. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    The aim of this thesis is to extract knowledge for carbon dioxide adsorption over amine modified adsorbents using two data mining techniques that are decision trees (DT) and artificial neural networks (ANN). The experimental ...
  • Data mining for methane adsorption over metal organic frameworks in literature 
    Gülsoy Şerif, Kadriye Zeynep. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    A database containing 3000 data points for both gravimetric and volumetric CH4 storage/delivery in metal organic frameworks (MOFs) was analysed using machine learning tools via RStudio functions to extract knowledge for ...
  • Design and characterization of polymer-fullerene bulk heterojunction solar cells 
    Solak, Selen. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    Design and characterization of polymer-fullerene bulk heterojunction solar cells were experimentally studied in this study. In the experiments, ITO or highly conductive PEDOT:PSS coated glasses were used as anode, P3HT and ...
  • Design and development of organolead halide perovskite solar cells 
    Yılmaz, Beyza. (Thesis (M.A.) - Bogazici University. Institute for Graduate Studies in the Social Sciences, 2017., 2017.)
    The aim of this thesis was to design and develop organolead halide perovskite solar cells by employing cost efficient and easily generated materials via industrially applicable processes. In the experiments, two kinds of ...
  • Developing predictive models for biodiesel from algea using data in published literature 
    Coşgun, Ahmet. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)
    The aim of this thesis was to develop a comprehensive database from published articles about the lipid production from microalgae; then, to use this database for knowledge extraction by employing data mining algorithms to ...
  • 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 ...
  • Effects of promoters on selective CO oxidation in hydrogen-rich streams over Pt/Al2O3 catalysts 
    Uğuz, Kamuran Erdem. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    The objective of this study was to investigate the second promoter effects on Pt-X- Ce/Al2O3 and Pt-Co-Y/Al2O3 catalyst for selective CO oxidation. Seven promoters were tested in two groups; Ni, K and Co as one group (as ...
  • Experimental and computational study of selective co oxidation over Au/Al2O3 catalyst 
    Davran, Tuğba. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    This study objects the experimental and computational investigation of preferential oxidation of carbon monoxide over Al2O3 supported gold catalysts. In the experimental part of the study, reaction kinetics of CO oxidation ...
  • 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. ...
  • Kinetic modeling of CO oxidation by genetic programming 
    Yarangüme, Verda. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    In this thesis, the kinetic modeling of CO oxidation was performed using genetic programming. A reaction rate equation was created from the experimental data, and then this equation was used to predict the mechanism of the ...
  • Kinetic study of selective CO oxdidation on Au/ Al2O3 catalyst 
    Demir, Mehtap. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Kinetic study of selective CO oxidation was performed over Au/Al2O3 catalyst prepared using homogeneous deposition-precipitation method. First, the alternative models proposed for the similar catalytic systems in the ...
  • Kinetics of selective CO oxidation in hydrogen-rich streams over Pt-Co-Ce/Al2O3 catalyst 
    Özyönüm, Göktuğ Nezihi. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2005., 2005.)
    Kinetics of low temperature CO oxidation was studied in hydrogen-rich streams witha realistic gas composition using cobalt and ceria promoted Pt/Al2O3 catalyst prepared byincipient-to-wetness impregnation. All plausible ...

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