Department of Chemical Engineering, Thesis

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Thesis (1027)

Has File(s)
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Author
Kocakuşak, Oktay (4)
Abusafa, Abdelrahim (2)
Akay, Ramiz Gültekin (2)
Akşahin, İlhan (2)
Alkaya, Dilek (2)

Subject
Chemical engineering. (118)
Polymers. (28)
Catalysts. (25)
Membranes (Technology). (18)
Chemical Engineering. (17)

Date Issued
1964 - 1979 (228)
1980 - 1999 (283)
2000 - 2019 (499)
2020 - 2021 (16)

Recent Submissions

Development of carbon fabric-reinforced polylactic acid/acrylonitrile butadiene styrene multilayer composites
Öztürk, İrem; Bayram, Göknur; Department of Chemical Engineering (2021-8)
Multilayer composites are in concern of both world of material science and the industry because of providing enhanced mechanical properties with ultra lightweight. Also, there is a growing demand to use of recyclable, biod...
Solvent recovery from photolithography waste using cellulose ultrafiltration membranes
Savaş Alkan, Aygen; Çulfaz Emecen, Pınar Zeynep; Department of Chemical Engineering (2021-8)
Cellulose flat sheet ultrafiltration membranes were fabricated for the investigation of their separation performance in Organic Solvent Ultrafiltration (OSU) applications and for the solvent recovery from photolithography ...
Development of three way catalytic converter for automotive exhaust gas
Bayram, Bilal; Külah, Görkem; Önal, Işık; Department of Chemical Engineering (2021-7-9)
In this study, a novel perovskite-based three-way catalyst (LaFe0.57Co0.37Pd0.06O3/Ce0.8Zr0.2O2/Al2O3) with high performance, thermal stability and SO2 poisoning resistance was developed. The performance of the developed c...
Analysis of velocity profiles in concentrated solid-liquid mixtures using ultrasound doppler velocimetry
Taşkın, Ahmet Fırat; Ayrancı Tansık, İnci; Uludağ, Yusuf; Department of Chemical Engineering (2021-7)
Stirred tanks are widely used for a variety of processes in industry such as solid dispersion, crystallization and dissolution processes. Several parameters are used to optimize these stirred tank processes such as impelle...
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...
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...
Gas mixing in conical spouted beds
Doğan, Neslin; Külah, Görkem; Department of Chemical Engineering (2020-12-28)
Conical spouted beds are relatively new generation gas-solid flow reactors used in various applications such as drying, catalytic polymerization, treatment of wastes, particle coating and chemical vapor deposition due to t...
Polystyrene-based and carbon fabrİc-reİnforced polymer composİtes containing carbon nanotubes: preparation,modification and characterization
Erkmen, Berrak; Bayram, Göknur; Department of Chemical Engineering (2020-11-23)
Carbon Fabric-Reinforced Polymers (CFRPs) attract attention due to their high mechanical properties, electrical conductivity, and providing weight reduction solutions in aerospace, automotive, marine, and energy industries...
Membrane fabrication using nanocrystalline cellulose
Volkan, Ecem; Çulfaz Emecen, Pınar Zeynep; Department of Chemical Engineering (2020-10-13)
Cellulose is a biopolymer which is resistant to many solvents due to inter- and intramolecular hydrogen bonds; also, it is hydrophilic and resistant to fouling, which makes cellulose attractive for membrane applications in...
Synthesis and characterization of sensor microparticles templated from cholesteric liquid crystals
Avşar, Deniz Işınsu; Büküşoğlu, Emre; Department of Chemical Engineering (2020-9)
Structural coloring in nature, especially the crystalline ordering and responsive characteristics of those found in chameleon skins has inspired us to fabricate artificial photonic materials for sensor applications. In the...
Modification of pebax and zif-8/pebax membranes by additional solvent treatment to improve co2/n2 separation performance
Alsuhile, Ala Abdulalem Abdo Moqbel; Kalıpçılar, Halil; Büküşoğlu, Emre; Department of Chemical Engineering (2020-9)
Capturing carbon dioxide is currently one of the most attractive research areas due to the serious problems that CO2 emission creates for the environment. The main aim of this work is to utilize cheap and environmentally...
Multifunctional properties of polymer foams and composites
Özkutlu Demirel, Merve; Bayram, Göknur; Department of Chemical Engineering (2020-9)
Polymer foams are low-density materials that consist of solid and gas phases and are used for insulation and transportation applications. This study aims to produce poly(methyl methacrylate) (PMMA) foams with low density a...
Sustainable hydrogen production process development using reducible oxides
Çalışan, Atalay; Üner, Deniz; Department of Chemical Engineering (2020)
The energy demand is driven by increasing world population and living standards. Sustaining this demand with available and renewable energy sources is a major challenge. The options such as solar and wind power, are unreli...
Elucidating the role of adsorbed states of hydrogen, water and carbon dioxide over TiO2 and Pd/TiO2
Yılmaz, Begü; Üner, Deniz; Department of Chemical Engineering (2020)
Artificial photosynthesis studies aim to utilize solar energy for conversion of CO2 into valuable organics using H2O; however, developments in the area are far from realistic level applications due to the low production ra...
Synthesis of mesoporous [Al]-[B]-ZSM-5, -SSZ-13 AND -SSZ-39 for methanol to olefins process
Karakaya Yalçın, Büşra; İpek Torun, Bahar; Department of Chemical Engineering (2020)
Light olefins such as ethylene and propylene are important building blocks for modern chemistry. Traditionally they are produced from steam cracking and fluid catalytic cracking (FCC), which are energy intensive and give l...
Control of spring-mass running through virtual tuning of leg damping
Seçer, Görkem; Saranlı, Uluç; Department of Chemical Engineering (2020)
Spring-mass models have been very successful in both describing and generating running behaviors. In this regard, the Spring-Loaded Inverted Pendulum (SLIP) is a useful model to represent hybrid dynamics of both natural an...
Solubility of CO2-philic polyhedral oligomeric silsesquioxanes in supercritical carbon dioxide
Demirtaş, Cansu; Dilek Hacıhabiboğlu, Çerağ; Department of Chemical Engineering (2019)
Polyhedral oligomeric silsesquioxanes (POSS) with different functional groups and carbon dioxide (CO2) binary systems’ phase behavior have been studied in a high- pressure visible cell to contribute to the development of e...
Foaming of highly-crystalline PLLA filmswith CO2-philic hybrid liquid cell nucleators
Çulhacıoğlu, Yağmur; Dilek Hacıhabiboğlu, Çerağ; Department of Chemical Engineering (2019)
Supercritical CO2 (scCO2) foaming of poly(L-lactic acid) (PLLA) composites with CO2-philic additives was carried out to obtain polymeric matrices as carriers for drug delivery applications. Highly crystalline PLLA (>45%) g...
Particle size characterization of suspensions using ultrasonic method
Özçelik , Esma; Uludağ, Yusuf; Department of Chemical Engineering (2019)
Particle size is very important in many areas of industry and production processes in industries. For example, medicine, paint, etc. Therefore, it is important to obtain the particle size in a suspension. Particle size ana...
Production of valuable chemicals from plastic wastes containing polyethylene and polypropylene
Habib, Abdul Rehman Rajabali; Sezgi, Naime Aslı; Department of Chemical Engineering (2019)
Global plastic consumption has significantly increased recently creating a serious environmental threat due to the non-biodegradability of plastics. Disposal methods like landfilling and incineration result in soil polluti...
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