Department of Chemical Engineering, Article

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Recent Submissions

Axial gas mixing in conical spouted beds with high density particles
Güler, Neslin; KÖKSAL, MURAT; Külah, Görkem (2023-10-01)
Conical spouted beds operating with high-density particles (ρp > 2500 kg/m3) have recently gained attention because of their potential use as nuclear fuel coaters for next-generation nuclear reactors. In the literature, th...
Controlling Cellulose Membrane Performance via Solvent Choice during Precursor Membrane Formation
Tekin, Fatma Seden; Çulfaz Emecen, Pınar Zeynep (2023-03-10)
Fabrication of cellulose membranes by alkaline hydrolysis of cellulose acetate (CA) membranes is a simple alternative method to preparing cellulose membranes via phase inversion from their ionic liquid solutions. In this s...
A comprehensive overview of carbazole-EDOT based electrochromic copolymers: A new candidate for carbazole-EDOT based electrochromic copolymer
Carbas, Buket Bezgin; Özbakır, Sinan; Kaya, Yasemin (2023-03-01)
In recent years, there has been an increase in the demand for the synthesis of carbazole-EDOT based electrochromic copolymers since this combination of structures facilitates the obtaining of a free standing film on the wo...
Can Pyrolysis Oil Be Used as a Feedstock to Close the Gap in the Circular Economy of Polyolefins?
Erkmen, Berrak; Ozdogan, Adem; Ezdesir, Ayhan; Çelik, Gökhan (2023-2-01)
Plastics are engineering marvels that have found widespread use in all aspects of modern life. However, poor waste management practices and inefficient recycling technologies, along with their extremely high durability, ha...
Coupling of spectral thermal radiation model with a comprehensive system model for co-combustion of biomass in bubbling fluidized bed
Yaşar, Mehmet Soner; Selçuk, Nevin; Külah, Görkem (2023-02-01)
A previously developed 1-D comprehensive model for a bubbling fluidized bed combustor (BFBC) co-firing lignite with cotton residue and limestone is coupled with a 3-D spectral and gray radiation models utilizing method of ...
Ternary Polyaniline@Bi2O3-BiOCl Nanocomposites as Innovative Highly Active Photocatalysts for the Removal of the Dye under Solar Light Irradiation
Bouzıanı, Asmae; Yahya, Mohamed; Bianchi, Claudia L.; Falletta, Ermelinda; Çelik, Gökhan (2023-2-01)
Ternary PANI@Bi2O3-BiOCl nanocomposites were successfully synthesized during the oxidative polymerization of aniline monomer in the presence of Bi2O3. PANI@Bi2O3-BiOCl nanocomposites were characterized by several analytica...
Cloud height in stirred tanks: Identification of limitations and clarification of the definition
Altıntaş, Ezgi; Ayrancı Tansık, İnci (2023-02-01)
Cloud height is known as the height of the interface that forms between liquid-rich and solid-rich parts of a stirred tank at high solids concentrations. Formation of cloud height is undesired as mixing between the two par...
Use of conductive polymer-supported oxide-based photocatalysts for efficient VOCs & SVOCs removal in gas/liquid phase
Ajmal, Zeeshan; Naciri, Yassine; Ahmad, Munir; Hsini, Abdelghani; Bouzıanı, Asmae; Laabd, Mohmed; Raza, Waseem; Murtaza, Adil; Kumar, Anuj; Ullah, Sami; Al-Sehemi, Abdullah G.; Al-Ghamdi, Ahmed A.; Qadeer, Abdul; Hayat, Asif; Djellabi, Ridha (2023-02-01)
Volatile and semi volatile organic compounds (VOCs and SVOCs) are regarding as serious environmental pollutants owign to causing a lot of diseases around the world. The VOCs and SVOCs can be accumulated in both indoor and ...
Optical, electrochemical and DFT studies of donor-acceptor typed indole derivatives
Carbas, Buket Bezgin; NOORI, Hussein Ali; Kavak, Emrah; Kaya, Yasemin; KIVRAK, ARİF (2023-01-05)
The donor-acceptor type indole chromophore motif presents an interesting molecular architecture to the scientific world, unfortunately, as in every special and beautiful formation needed; their synthesis represents a synth...
Pd as a reduction promoter for TiO2: Oxygen and hydrogen transport at 2D and 3D Pd interfaces with TiO2 monitored by TPR, operando 1H NMR and CO oxidation studies
Yarar, Melis; Bouzani, Asmae; Üner, Deniz (2023-01-01)
Ambient temperature reduction of TiO2 surface was observed through hydrogen spillover from Pd nanoparticles with a hydrogen consumption stoichiometry of 1.4 H2:Pd up to ≤2 wt%Pd loading. This behavior was attributed to the...
Entropy, energy, and instability in music
Gündüz, Güngör (2023-01-01)
The structures of eight BEATLES songs were characterized by using the fundamental concepts of statistical physics, thermodynamics, and viscoelastic theory. The Shannon entropy, negentropy, order, topological entropy, fract...
Saccharomyces cerevisiae cis-acting DNA sequences curation pipeline (Sc-cADSs-CP): Master transcription factors prediction in yeasts
Yaman, Oğuz Ulaş; Avcı, Beste; Çalık, Pınar (2022-12-15)
© 2022 Elsevier B.V.Designing promoter architectures hinges on genomic and functional annotation. Saccharomyces cerevisiae is the first model yeast whose databases host genomic and functional annotation information. To pre...
Iron phosphate for photocatalytic removal of Ibuprofen from aqueous media under sun-like irradiation
Mimouni, Ibtihal; Yahya, Mohamed; Bouzıanı, Asmae; Naciri, Yassine; Maarouf, Fatima-ezzahra; Alaoui El Belghiti, Mohammed; El Azzouzi, Mohammed (2022-12-01)
© 2022 Elsevier B.V.Ibuprofen (IBP) is one of the most detected pharmaceuticals in wastewater. The conventional methods such as biological treatment, adsorption, etc. are ineffective and usually produce secondary pollution...
Structural, photophysical and optoelectronic activity of triphenylamine-based push-pull chromophores: a theoretical study
Yahya, Mohamed; Suvitha, A.; Bouzıanı, Asmae (2022-12-01)
Triphenylamine was used as a donor and electron-withdrawing groups in different positions as terminal acceptor groups in order to design a series of push-pull chromophores (D1-5). The dyes were characterized via UV-vis spe...
Tuning electrostatic interactions for controlled structure and rejection of cellulose nanocrystal membranes
Kocaman, Ceren; Büküşoğlu, Emre; Çulfaz Emecen, Pınar Zeynep (2022-11-05)
© 2022 Elsevier B.V.Precise control over membrane performance by tuning fabrication parameters is highly desirable. We developed ultrafiltration membranes by depositing cellulose nanocrystals (CNCs) on a porous support via...
Development of polyaniline coated titania-hematite composite with enhanced photocatalytic activity under sun-like irradiation
Bouzıanı, Asmae (2022-11-01)
© 2022Herein, a novel PANI@Fe2O3@TiO2 (PANI@TF) composite containing different amounts of polyaniline was synthesized by in situ polymerization of aniline monomer in the presence of TF. X-ray diffraction (XRD), Fourier tra...
Entropic characterization of Gross Domestic Product per capita (GDP) values of countries
Gündüz, Güngör; Kuzucuoğlu, Mahmut; Gündüz, Yalın (2022-10-01)
The historical change of Gross Domestic Product per capita (GDP) values of countries with the thirty largest economies was analyzed by using different entropies, (i) topological entropy, (ii) Shannon entropy, and (iii) con...
Investigation of glucose electrooxidation mechanism over N-modified metal-doped graphene electrode by density functional theory approach
Duzenli, Derya; Önal, Işık; Tezsevin, Ilker (2022-10-01)
In this work, various precious and non-precious metals reported in the literature as the most effective catalysts for glucose electrooxidation reaction were investigated by the density functional theory (DFT) approach in o...
Interpenetrating network based polymeric sensors with enhanced specificity, sensitivity, and reusability
Batır, Özge; Bat, Erhan; Büküşoğlu, Emre (2022-09-15)
© 2022 Elsevier B.V.Cholesteric liquid crystals (CLCs) are widely used as optical sensors against volatile organic compounds (VOCs), whose sensitivity can be increased with the help of strain. However, the specificity and ...
Glucose electrooxidation modelling studies on carbon nanotube supported Pd catalyst with response surface methodology and density functional theory
KAYA, ŞEFİKA; Ulaş, Berdan; Duzenli, Derya; Önal, Işık; Er, Omer Faruk; Yilmaz, Yonca; Tezsevin, Ilker; DEMİR KIVRAK, HİLAL (2022-09-01)
© 2022 Elsevier LtdIn this study, carbon nanotube supported Pd catalysts (Pd/CNT) are synthesized at different weight percentages by the sodium borohydride (NaBH4) reduction method to investigate catalytic performance of g...
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