Yazar "Erdem, Sezer" için listeleme
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Bifunctional Fe-SBA-15-SO3H Mesoporous Catalysts with Different Si/Fe Molar Ratios: Synthesis, Characterization and Catalytic Activity
Erdem, Sezer; Erdem, Beyhan; Öksüzoğlu, Ramis Mustafa; Çıtak, Alime (Wiley-V C H Verlag GMBH, 2013)Bifunctional Fe-SBA-15-SO3H mesoporous materials with different Si/Fe molar ratios (3, 5, and 7) have been synthesized via a simple direct hydrothermal method and characterized by XRD, N-2-adsorption/desorption, TG/DTG and ... -
Catalytic Applications of Large Pore Sulfonic Acid-Functionalized SBA-15 Mesoporous Silica for Esterification
Erdem, Beyhan; Erdem, Sezer; Öksüzoğlu, Ramis Mustafa (De Gruyter Poland Sp Zoo, 2018)We report the preparation of pore expanded and sulfonic acid functionalized mesoporous silica catalysts by using different kinds of swelling agents such as 1,3,5-trimethyl benzene (TMB), n-decane (D), n-tridecane (TD), and ... -
Direct and Postsynthetic Functionalization of Mesoporous B-SBA-15-SO3H Acid Catalyst and Application to Methyl Propionate Esterification
Erdem, Beyhan; Azko, C.; Erdem, Sezer; Öksüzoğlu, Ramis Mustafa (Polish Acad Sciences Inst Physics, 2017)Organic functionality can be added to mesoporous silicates in two ways: either by covalent grafting (postsynthetic) of various functional groups onto the channel walls or by incorporating functionalities directly during ... -
Effect of calcination temperature on the structural and magnetic properties of Ni/SBA-15 nanocomposite
Erdem, Sezer; Erdem, Beyhan; Öksüzoğlu, Ramis Mustafa; Çıtak, Alime (Springer, 2015)The effect of calcination temperature on the structural and magnetic properties of Ni/SBA-15 nanocomposite prepared by reductant-impregnation method was studied using SBA-15 mesoporous silica as support. The structure, ... -
High-surface-area SBA-15-SO3H with enhanced catalytic activity by the addition of poly(ethylene glycol)
Erdem, Beyhan; Erdem, Sezer; Öksüzoğlu, Ramis Mustafa; Çıtak, Alime (Springer, 2013)The influence of poly(ethylene glycol) (PEG) and synthesis temperature in the synthesis of SBA-15-SO3H was investigated to evaluate the catalytic activity in the esterification of propionic acid with methanol. The catalysts ... -
Magnetic Nano-Sized Solid Acid Catalyst Bearing Sulfonic Acid Groups for Biodiesel Synthesis
Erdem, Sezer; Erdem, Beyhan; Öksüzoğlu, Ramis Mustafa (De Gruyter Poland Sp Zoo, 2018)In our approach for magnetic iron oxide nanoparticles surface modification, the fabrication of an inorganic shell, consisting of silica by the deposition of preformed colloids onto the nanoparticle surface and functionalization ... -
Preparation, Characterization and Catalytic Properties of SBA-15-SO3H Supported Tungstophosphoric Acid for Esterification Reaction
Erdem, Beyhan; Erdem, Sezer; Çıtak, Alime; Yavru, C.; Öksüzoğlu, Ramis Mustafa (Polish Acad Sciences Inst Physics, 2017)SBA-15-SO3H supported tungstophosphoric acid (TPA, H3PW12O40) mesoporous materials were synthesized by impregnation of TPA into the hydrothermally synthesized SBA-15-SO3H and the catalytic performances were compared for ... -
Synthesis, characterization and catalytic behavior of functionalized mesoporous SBA-15 with various organo-silanes
Çıtak, Alime; Erdem, Beyhan; Erdem, Sezer; Öksüzoğlu, Ramis Mustafa (Academic Press Inc Elsevier Science, 2012)Mesoporous silica SBA-15 has been synthesized and functionalized by one-step synthesis method to widen their various application possibilities. In this study, phenyltrimethoxysilane (PTMS), 3-mercapto-propyltrimethoxysilane ...