Yazar "Yurdakal, Sedat" için listeleme
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Determination of Photoadsorption Capacity of Polychrystalline TiO2 Catalyst in Irradiated Slurry
Augugliaro, Vincenzo; Yurdakal, Sedat; Loddo, Vittorio; Palmisano, Giovanni; Palmisano, Leonardo (Elsevier Academic Press Inc, 2009)… -
Electrochemical Determination of Bisphenol A with Pencil Graphite Electrodes Modified with Co(II), Ni(II), Cu(II) and Fe(II) Phthalocyaninetetrasulfonates
Özcan, Levent; Altuntaş, Muhammet; Buyuksagis, Ayşel; Türk, Hayrettin; Yurdakal, Sedat (Japan Soc Analytical Chemistry, 2016)Pencil graphite electrodes modified with Co(II), Ni(II), Cu(II) and Fe(II) metallophthalocyaninetetrasulfonates (MePcTSs) were investigated for an electrochemical determination of bisphenol A (BPA). The electrochemical ... -
Environmentally Friendly Photocatalytic Oxidation of Aromatic Alcohol to Aldehyde in Aqueous Suspension of Brookite TiO(2)
Addamo, Maurizio; Augugliaro, Vincenzo; Bellardita, Marianna; Di Paola, Agatino; Loddo, Vittorio; Palmisano, Giovanni; Yurdakal, Sedat (Springer, 2008)Photocatalytic oxidation of 4-methoxybenzyl alcohol to aldehyde in water has been achieved by using home-prepared uncalcined brookite TiO(2). Three different lamp irradiances have been applied in order to check the influence ... -
Facile two-step preparation of polystyrene/anatase TiO2 core/shell colloidal particles and their potential use as an oxidation photocatalyst
Karabacak, R. Bengü; Erdem, Murat; Yurdakal, Sedat; Çimen, Yasemin; Türk, Hayrettin (Elsevier Science Sa, 2014)Titania and materials containing titania have received considerable attention due to their technological importance in many areas. In this study, anatase crystalline titania (TiO2) coated polystyrene (PS) colloidal particles ... -
Graphite-supported TiO2 for 4-nitrophenol degradation in a photoelectrocatalytic reactor
Palmisano, Giovanni; Loddo, Vittorio; El Nazer, Hossam Hamed; Yurdakal, Sedat; Augugliaro, Vincenzo; Ciriminna, RoSarıa; Pagliaro, Mario (Elsevier Science Sa, 2009)Amorphous TiO2, prepared at room temperature through a sol-gel method implementing hydrolysis of TiCl4, has been supported on graphite rods and then annealed at 673 K. In this way graphite was completely covered by a porous ... -
Home-prepared anatase, rutile, and brookite TiO2 for selective photocatalytic oxidation of 4-methoxybenzyl alcohol in water: reactivity and ATR-FTIR study
Augugliaro, Vincenzo; Loddo, Vittorio; Jose Lopez-MunÖz, Maria; Marquez-Alvarez, Carlos; Palmisano, Giovanni; Palmisano, Leonardo; Yurdakal, Sedat (Royal Soc Chemistry, 2009)TiO2 catalysts of anatase, rutile and brookite phase were prepared at low temperature and tested for carrying out the photocatalytic partial oxidation of 4-methoxybenzyl alcohol to 4-methoxybenzaldehyde (p-anisaldehyde) ... -
Kinetics of 4-Methoxybenzyl Alcohol Oxidation in Aqueous Solution in a Fixed Bed Photocatalytic Reactor
Yurdakal, Sedat; Loddo, Vittorio; Palmisano, Giovanni; Augugliaro, Vincenzo; Berber, Hüseyin; Palmisano, Leonardo (American Chemical Society, 2010)The photocatalytic oxidation of 4-methoxybenzyl alcohol in water was performed in a fixed bed continuous annular reactor by using a home-prepared TiO2 catalyst supported on Pyrex glass beads. The investigation was aimed ... -
Klorofil a ve b ile feofitin a ve b'nin yapı kararlılıklarının incelenmesi
Yurdakal, Sedat (Anadolu Üniversitesi, 2003)Bu çalışmada klorofil a ve b ıspanak ve çim bitkilerinden saflaştırılması ile ve reoritin a ve b ise klorofil a ve b'nin demetalasyonu ile hazırlanmış, daha sonra bu yapıların çeşitli ortam ve çözücülerdeki kararlılıkları ... -
Klorofil A'nın pH'ya bağımlı $H_2O_2$, $(CH_3)_3COOH$ ve NaOCI oksidantlarına karşı yapı kararlılığının incelenmesi
Berber, Hüseyin; Yurdakal, Sedat (2004)Bu çalışmada klorofil a'nın pH 1-14 arlığında oksidantsız ve hidrojen peroksit, tert-bütil hidroperoksit ve sodyum hipoklorite karşı yapı kararlılıkları 30 °C'de incelenmistir. Klorofil a'nın farklı oksidantlardaki parçalanma ... -
Nanostructured rutile TiO2 for selective photocatalytic oxidation of aromatic alcohols to aldehydes in water
Yurdakal, Sedat; Palmisano, Giovanni; Loddo, Vittorio; Augugliaro, Vincenzo; Palmisano, Leonardo (American Chemical Society, 2008)Selective photocatalytic oxidation of aromatic alcohols to aldehydes was performed in water in the presence of TiO2 rutile photocatalysts that exhibited a low degree of crystallinity. The nanostructured rutile samples, ... -
Optical properties of TiO2 suspensions: Influence of pH and powder concentration on mean particle size
Yurdakal, Sedat; Loddo, Vittorio; Ferrer, Bernardi Bayarri; Palmisano, Giovanni; Augugliaro, Vincenzo; Farreras, Jaime Gimenez; Palmisano, Leonardo (American Chemical Society, 2007)The optical properties of photocatalytic suspensions, that is, the absorption and scattering coefficients, depend on the effective size of particle agglomerates. This work aimed to investigate if the pH and powder concentration ... -
Oxidation of aromatic alcohols in irradiated aqueous suspensions of commercial and home-prepared ruffle TiO2: A selectivity study
Augugliaro, Vincenzo; Caronna, Tullio; Loddo, Vittorio; Marci, Giuseppe; Palmisano, Giovanni; Palmisano, Leonardo; Yurdakal, Sedat (Wiley-V C H Verlag GMBH, 2008)The photocatalytic oxidation of benzyl alcohol (BA) and 4-methoxybenzyl alcohol (MBA) has been performed in pure water by using commercial TiO2 samples (Sigma-Aldrich, Merck, Degussa P25) and rutile TiO2 prepared from TiCl, ... -
Partial photocatalytic oxidation of glycerol in TiO2 water suspensions
Augugliaro, Vincenzo; El Nazer, H. A. Hamed; Loddo, Vittorio; Mele, A.; Palmisano, Giovanni; Palmisano, Leonardo; Yurdakal, Sedat (Elsevier Science BV, 2010)The photo-oxidation of glycerol in aqueous suspensions containing commercial and home-prepared TiO2 samples in the anatase, rutile or anatase-rutile polymorphic phases was investigated by using two different batch ... -
Photocatalytic degradation of 4-nitrophenol in a continuous reactor containing titanium dioxide supported on glass beads
Yurdakal, Sedat; Loddo, Vittorio; Palmisano, Giovanni; Augugliaro, Vincenzo; Berber, H.; Palmisano, Leonardo (Walter De Gruyter GMBH, 2008)The photocatalytic degradation of 4-nitrophenol in aqueous solution was per-formed by using a continuous fixed bed annular photoreactor. Titanium dioxide was used as the photocatalyst, supported as thin film on Pyrex glass ... -
Photocatalytic oxidation of aromatic alcohols to aldehydes in aqueous suspension of home prepared titanium dioxide 2. Intrinsic and surface features of catalysts
Augugliaro, Vincenzo; Kisch, Horst; Loddo, Vittorio; Jose Lopez-MunÖz, Maria; Marquez-Alvarez, Carlos; Palmisano, Giovanni; Yurdakal, Sedat (Elsevier Science BV, 2008)In this paper some intrinsic electronic properties of home prepared (HP) TiO2 Catalysts were investigated by diffuse reflectance spectroscopy and quasi-Fermi level measurements. These powders were used for carrying out the ... -
Photocatalytic oxidation of aromatic alcohols to aldehydes in aqueous suspension of home-prepared titanium dioxide 1. Selectivity enhancement by aliphatic alcohols
Augugliaro, Vincenzo; Kisch, Horst; Loddo, Vittorio; Lopez-MunÖz, Maria Jose; Marquez-Alvarez, Carlos; Palmisano, Giovanni; Yurdakal, Sedat (Elsevier Science BV, 2008)Oxygenated aqueous suspensions of home-prepared (HP) and commercial TiO2 catalysts were used in a batch photoreactor for carrying out the oxidation of benzyl alcohol (BA) and 4-methoxybenzyl alcohol (MBA) under different ... -
Photocatalytic oxidation of nitrobenzene and phenylamine: Pathways and kinetics
Palmisano, Giovanni; Loddo, Vittorio; Augugliaro, Vincenzo; Palmisano, Leonardo; Yurdakal, Sedat (John Wiley & Sons Inc, 2007)The oxidation of nitrobenzene and phenylamine has been carried out by heterogeneous photocatalysis in aqueous suspensions of commercial TiO2. The photoreactivity results indicate that two reaction pathways occur in parallel ... -
Photocatalytic selective oxidation of 4-methoxybenzyl alcohol to aldehyde in aqueous suspension of home-prepared titanium dioxide catalyst
Palmisano, Giovanni; Yurdakal, Sedat; Augugliaro, Vincenzo; Loddo, Vittorio; Palmisano, Leonardo (Wiley-V C H Verlag GMBH, 2007)The photocatalytic oxidation of 4-methoxybenzyl alcohol to p-anisaldehyde (PAA) was performed in water with organic-free suspensions of home-prepared and commercial titanium dioxide (TiO2) catalysts. The nanostructured ... -
Photodegradation of pharmaceutical drugs in aqueous TiO2 suspensions: Mechanism and kinetics
Yurdakal, Sedat; Loddo, Vittorio; Augugliaro, Vincenzo; Berber, H.; Palmisano, Giovanni; Palmisano, Leonardo (Elsevier Science BV, 2007)The degradation and mineralization of Tamoxifen (TAM) and Gemfibrozil (GEM) drugs, whose molecular structures exhibit ethereal bonds, have been carried out by irradiating aqueous suspensions of TiO2 with near-UV light at ...
