Browsing by Author "Geçim, Gözde"
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Calcium deficient hydroxyapatite by precipitation: Continuous process by vortex reactor and semi-batch synthesis
Geçim, Gözde; Donmez, Sinan; Erkoç, Ertuğrul (Elsevier Sci Ltd, 2021)Precipitation of calcium deficient hydroxyapatite nanoparticles in an environmentally benign manner by using only dilute solutions of calcium hydroxide and phosphoric acid without pH adjustment and addition of other ... -
Çözücü içermeyen gaz faz etilen polimerizasyonu: Yeni bir reaktör çalışması
Geçim, Gözde (Bursa Teknik Üniversitesi, 2016)Plastik endüstrisinin en önemli malzemelerinden olan polietilen molekül ağırlığı, yoğunluk ve kristalinite derecesine göre sınıflandırılmaktadır. Ultra-yüksek molekül ağırlıklı polietilen (UHMWPE) ise mükemmel malzeme ... -
A density functional theory study of molecular H2S adsorption on (4,0) SWCNT doped with Ge, Ga and B
Geçim, Gözde; Özekmekçi, Mehtap (Elsevier B.V., 2021)The molecular adsorption of hydrogen sulfide has been investigated theoretically by using Density Functional Theory for gallium (Ga), germanium (Ge) and boron (B) doped (4,0) single-walled carbon nanotubes (SWCNTs). The ... -
Ga and Ge-doped graphene structures: A DFT study of sensor applications for methanol
Geçim, Gözde; Özekmekçi, Mehtap; Fellah, Mehmet Ferdi (Elsevier, 2020)Density functional theory calculations have been carried out to investigate the adsorption of methanol on the surface of Ga and Ge-doped graphene clusters and in order to explore the potential of doped graphene as a gas ... -
Gas Flow Hydrodynamics in Vortex Mixers: Flow Visualization and PIV Flow Field Characterization
Geçim, Gözde; Erkoç, Ertuğrul (American Chemical Society, 2021)The gas flow hydrodynamics in a vortex mixer was investigated using flow visualization and particle image velocimetry (PIV) techniques for several Reynolds numbers ranging from Re = 20 to 280 and equal momentum of the jets. ... -
Gas phase polymerization of ethylene towards UHMWPE
Geçim, Gözde; Erkoç, Ertuğrul (2020)For the first time, ultra-high molecular weight polyethylene (UHMWPE) was produced in gas phase process with a new fluidized bed concept where the solids are dispersed phase and the gas is bulk phase as opposed to conventional ... -
Processing and applications of ceramic microspheres
Geçim, Gözde; Kalemtaş, Ayşe (Elsevier, 2021)This chapter is focused on processing techniques for dense, porous, and hollow ceramic microspheres and their applications. A large number of studies focused on modeling and observations from nature revealed that complex ... -
Review on extraction of polyhydroxyalkanoates and astaxanthin from food and beverage processing wastewater
Geçim, Gözde; Aydin, G.; Tavsanoglu, T.; Erkoç, Ertuğrul; Kalemtaş, Ayşe (Elsevier Ltd, 2021)The recovery of value-added products from food and beverage processing wastewater, polyhydroxyalkanoates, and astaxanthin, via various chemical and microbiological extraction techniques has been summarized in this contribution. ...