Department of Chemical Engineering

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Çalık, Pınar (118)
Yılmaz, Levent (83)
Üner, Deniz (76)
Kalıpçılar, Halil (59)
Bayram, Göknur (55)

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Chemical engineering. (118)
General Chemistry (117)
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1964 - 1979 (237)
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Recent Submissions

Effects of fluorination and thermal shock on the photocatalytic activity of Bi2O3 nanopowders Bouzıanı, Asmae; Park, Jongee; Öztürk, Abdullah (2021-10-05) © 2021 Elsevier B.V.Fluorinated Bi2O3 (F-Bi2O3) nanopowder was prepared via fluorination followed by thermal shock of α-Bi2O3 nanopowder. The XRD, FTIR, SEM, and DRS characterization techniques were employed to investigate...
Development of a novel PANI@WO3 hybrid composite and its application as a promising adsorbent for Cr(VI) ions removal Hsini, Abdelghani; Naciri, Yassine; Laabd, Mohamed; Bouzıanı, Asmae; Navío, J.A.; Puga, F.; Boukherroub, Rabah; Lakhmiri, Rajae; Albourine, Abdallah (2021-10-01) © 2021 Elsevier LtdIn the current study, an in-situ oxidative polymerization method was used to synthesize polyaniline-coated tungsten trioxide biphasic composite (PANI@WO3). The as-developed composite material properties ...
Influence of bag filter ash to spectral thermal radiation in fluidized bed combustors Co-Fired with biomass Yaşar, Mehmet Soner; Selçuk, Nevin; Külah, Görkem (2021-09-01) © 2021 Elsevier Masson SASInfluence of fine particles collected in bag filter on spectral thermal radiation is investigated in the freeboard of a 0.3 MWt atmospheric bubbling fluidized bed combustion test rig where lignite...
Influence of soot on radiative heat transfer in bubbling fluidized bed combustors Yaşar, Mehmet Soner; Selçuk, Nevin; Külah, Görkem (2021-08-01) © 2021The effect of soot particles and aggregates on radiative heat transfer in bubbling fluidized bed combustors is investigated. For this purpose, a soot radiative property model based on Rayleigh scattering theory is co...
Organic/metal-organic photosensitizers for dye-sensitized solar cells (DSSC): Recent developments, new trends, and future perceptions Yahya, Mohamed; Bouzıanı, Asmae; OCAK, CEMİL; SEFEROĞLU, ZEYNEL; Sillanpää, Mika (2021-08-01) © 2021 Elsevier LtdHumankind is currently heavily reliant on fossil fuel for its energy supply. However, fossil fuels are a nonrenewable source. It requires hundreds of millions of years for fossil fuels to develop inside ...
Tanecik Özelliklerinin ve Tanecik Konsantrasyonunun Bulut Yüksekliği Üzerindeki Etkilerinin Uzun Karıştırma Tanklarında İncelenmesi Altıntaş, Ezgi; Ayrancı Tansık, İnci (2021-06-12)
Derişik Katı-Sıvı Karışımlarında Hız Profilinin Ultrasonik Doppler Hız Ölçüm Tekniği Kullanılarak Analizi ve Hız Profilinden Bulut Yüksekliğinin Tayini Taşkın, Ahmet Fırat; Uludağ, Yusuf; Ayrancı Tansık, İnci (2021-06-12)
Poly(methyl methacrylate)-octatrimethylsiloxy polyhedral oligomeric silsesquioxane composite syntactic foams with bimodal pores Ozkutlu, Merve; Bayram, Göknur; Dilek Hacıhabiboğlu, Çerağ (2021-06-01) © 2021, The Polymer Society, Taipei.Bimodal poly(methyl methacrylate) (PMMA) foams are produced with a new method combining syntactic foam production and supercritical CO2 (scCO2) foaming. Bimodal pore structure offers sev...
The effect of solids concentration and particle properties on cloud height in tall stirred tanks Altıntaş, Ezgi; Ayrancı Tansık, İnci; Department of Chemical Engineering (2021-6) Solid-liquid mixing is one of the most commonly used unit operations in industries such as petrochemicals, polymer processing, biotechnology, pharmaceuticals, and mineral processing. There are two focuses in solid-liquid m...
Synthesis of an arginine-functionalized polyaniline@FeOOH composite with high removal performance of hexavalent chromium ions from water: Adsorption behavior, regeneration and process capability studies Hsini, Abdelghani; Benafqir, Mohamed; Naciri, Yassine; Laabd, Mohamed; Bouzıanı, Asmae; Ez-zahery, Mohamed; Lakhmiri, Rajae; Alem, Noureddine El; Albourine, Abdallah (2021-05-20) © 2021 Elsevier B.V.In this study, the synthesis of a novel arginine-functionalized polyaniline/FeOOH (Arg-PANI@FeOOH) composite for hazardous Hexavalent chromium ions (Cr(VI)) removal from wastewater was reported. The SEM...
The Optimal Isosteric Heat of H2 Adsorption on Co(II)- and Ni(II)- exchanged ZSM-5 and US-Y Sarohan, Nurkan; İpek Torun, Bahar (2021-05-20)
PMMA Syntactic Bimodal Foams with CO2-Philic Octatrimethylsiloxy POSS Cell Nucleators Ozkutlu, Merve; Bayram, Göknur; Dilek Hacıhabiboğlu, Çerağ (2021-05-06)
Effect of Mesoporosity in Continuous Methane Conversion to Methanol using Cu- and Fe-exchanged zeolites Gökçe, İklim; İpek Torun, Bahar (2021-04-16)
Controlling the foam morphology of supercritical CO2-processed poly(methyl methacrylate) with CO2-philic hybrid nanoparticles Özkutlu Demirel, Merve; Bayram, Göknur; Dilek Hacıhabiboğlu, Çerağ (2021-04-01) Highly CO2-philic nanoparticles, octatrimethylsiloxy polyhedral oligomeric silsesquioxanes (POSS) are used to increase the affinity of poly(methyl methacrylate) (PMMA) to CO2 in supercritical carbon dioxide (scCO(2)) foami...
Construction of phase diagrams to estimate phase transitions at high pressures: A critical point at the solid liquid transition for benzene Ibrahimoglu, Beycan; Üner, Deniz; Veziroglu, Ayfer; Karakaya, Fuat; Ibrahimoglu, Beycan (2021-04-01) Phase diagrams are an integral part of the estimation of material properties in the case of high temperature and pressure. The pressure-temperature (P-T) phase diagram is used to determine the state of aggregation (solid, ...
Gas velocity distribution in conical spouted beds with high-density particles Doğan, Neslin; KÖKSAL, MURAT; Külah, Görkem (2021-03-01) Local gas velocity measurements were conducted utilizing a Pitot tube in two small-scale (D-c = 150 mm, gamma = 30 degrees, 60 degrees) and one large-scale (D-c = 250 mm, gamma = 66 degrees) conical spouted beds. Three dif...
Hydrogen production via steam reforming of glycerol Göktürk, Sevil; Sezgi, Naime Aslı; Department of Chemical Engineering (2021-2-12) Today, intensive studies are carried out on alternative energy sources that will replace fossil fuels due to its limited sources, soaring of prices and negative effects on people and environment. Hydrogen energy offers a s...
Controlling the shapes and internal complexity of the polymeric particles using liquid crystal-templates confined into microwells KARAUSTA, ASLI; Kocaman, Ceren; Büküşoğlu, Emre (2021-02-01) Formation and positioning of the topological defects within liquid crystalline (LC) medium confined into microwells were shown to critically effect the shapes and symmetry of the particles obtained after polymerization. Wa...
A potential catalyst for continuous methane partial oxidation to methanol using N2O: Cu-SSZ-39 Memioglu, Ozgun; İpek Torun, Bahar (2021-02-01) Continuous catalytic methanol production from methane is reported on Cu-SSZ-39 using N2O as an oxidant. Through optimization of CH4, N2O and H2O partial pressures, a methanol formation rate of 499 mu molCH3OH g-1 h-1 and a...
Improvement in mechanical, electrical, and shape memory properties of the polystyrene-based carbon fiber-reinforced polymer composites containing carbon nanotubes Erkmen, Berrak; Bayram, Göknur (2021-02-01) Carbon fiber-reinforced polymers based on polystyrene matrix containing elastomer and carbon nanotubes (CNTs) were produced by compression molding. The effects of carbon fabric (CF) concentration and silane treatment on th...

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