Browsing by Author "Özgür C."
Now showing items 1-20 of 26
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Colloidal stability-slip casting behavior relationship in slurry of mullite synthesized by the USP method
This study presents the outcome of a research concerning the relationship between the colloidal stability of mullite powders synthesized by the USP (ultrasonic spray pyrolysis) method and its slip casting behavior. The ... -
Designing of a low cost super-hydrophilic membrane for wastewater treatment
Al-Harbi O.A.; Mujtaba Khan M.; Özgür C. (Elsevier Ltd, 2016)Superhydrophilic membranes have great advantages in the case of high filtration performance (depending on the low resistance to water flow) and supplied capillary pressure (depending on the hydrophilic nature of the ... -
Dewatering testing of a ceramic capillary filter produced from a high silica-containing glaze
The development of micro-porous ceramic with having hydrophilic surfaces (capillary ceramic filter) has led to energy-efficient filtration and drying (dewatering) processes in mining, chemical and ceramic industries. Our ... -
The effect of fine particle migration during ceramic particles compaction by pressure casting
The effect of fine particle migration on the pressure casting performance and the microstructural deteriorate of sintered-cake were investigated by the types of filter medium used in compaction and the filtered slurry ... -
The effect of reactor temperature gradient on microstructures of sodium borosilicate glass powders produced by ultrasonic spray pyrolysis technique
Sodium borosilicate glass powders were produced by ultrasonic spray pyrolysis technique for three different reactor temperature gradients and the effect of the reactor temperature gradient on the microstructures of the ... -
Fabrication and characterization of single phase cordierite honeycomb monolith with porous wall from natural raw materials as catalyst support
Al-Harbi O.A.; Özgür C.; Khan M.M. (Elsevier Ltd, 2015)A low-cost, single phase cordierite honeycomb monolith whose walls are highly porous has been prepared by the extrusion method using local natural raw materials, as kaolinite and magnesite from Saudi Arabia without need ... -
Fabrication of beta-cristobalite porous material from diatomite with some impurities
The room temperature stabilized ß-cristobalite ceramic has great potential to use in production of engineering ceramic materials due to its high resistance to thermal shock and low expansion coefficient with high chemical ... -
Fabrication of glassy ceramic membrane filters for filtration of spring water with clogging phenomena
Ceramic membrane filters consisting of a filtration layer of varying thickness coated on a tubular porous support made of quartz-based materials and with a pore size of about 10 µm were fabricated. The filtration performance ... -
Fabrication of glassy membrane filters and characterization of its hydrophilic nature by thin layer wicking approach
Şan O.; Özgür C.; Karagüzel C. (2012)Contact angle measurement of porous ceramics is difficult by goniometry application and it is impossible to determine where the water drops are immediately absorbed by the filter pores if the porous sample is of capillary ... -
Fabrication of highly hydrophilic tubular type perlite membrane support
Al-Harbi O.A.; Özgür C.; Khan M.M. (Hanyang University, 2016)We fabricated and characterized a highly hydrophilic membrane support using only perlite as an ore without altering its chemical and physical properties. Tubular-type microfiltration supports were fabricated by an extrusion ... -
Fabrication of multilayer glassy ceramic filters by fine particle migration during slip casting
Cylindrical, glassy ceramic filters with multilayer compaction, consisting of filtration layers of varied pore sizes on granular assemblies with specific interlayers, were shaped by a fine particle migration phenomenon ... -
Fabrication of superhydrophilic membrane filters using spherical glass particles obtained by ultrasonic spray pyrolysis
Fabrication of high performance membrane filters requires that both the substrate and the filtering layer have low resistance to liquid flow. The thickness, uniform porosity and hydrophilic nature are the main responsible ... -
Fine particle dispersion and their Influence on filtration forming and sintering processing
Şan O.; Özgür C.; Hocaoglu E.; Topkaya G. (2004)Commercially available ceramic powders may contain granules due to limitation in the powder processing. Preparation of highly dispersed ceramic slurry from the powder requires pretreatment using mechanical agitation with ... -
Improving the performance of silica-based crossflow membranes by surface crystallization for treatment of oily wastewater
Al-Harbi O.A.; Mujtaba Khan M.; Özgür C. (Springer International Publishing, 2017)Today, hundreds of billions of barrels of oily wastewater is generated per day by a wide range of industrial applications. Depending on its hazardous nature, it is not possible to reuse or discharge the wastewater without ... -
Investigation of a high stable ß-cristobalite ceramic powder from CaO-Al2O3-SiO2 system
The room temperature stabilized ß-cristobalite ceramic powder has great potential for use in production of engineering ceramic materials due to its high resistance to thermal shock, low expansion coefficient, high chemical ... -
Investigation of the formation of cristobalite from the quartz-natural zeolite mixes at low temperature
Şan O.; Hocaoglu E.; Özgür C. (2004)The ß-cristobalite form of ceramic powder has great potential for fabrication of porous ceramics with having high thermal stability, low density and chemically inertness. Our previous study showed that it is possible to ... -
Microstructure and hardness of Mg-based composites reinforced with Mg 2Si particles
Magnesium powders were mechanically alloyed with SiO2 powder particles having different particle sizes using high-energy ball milling techniques under Ar atmosphere for 1 h. The powders were consolidated with cold pressing ... -
Preparation and characterization of a highly hydrophilic glassy pore wall membrane filter
Şan O.; Özgür C.; Karagüzel C. (2008)A highly hydrophilic glassy pore wall membrane filter, whose ceramic powder consisted of quartz with glassy additives (lead borosilicate glass and natural zeolite), was studied by sintering at different temperatures (900-1100 ... -
Preparation and characterization of LiMn2O4 ion-sieve with high Li+ adsorption rate by ultrasonic spray pyrolysis
Özgür C. (2010)This study presents the preparation of LiMn2O4 spinel type ion-sieves, characterization of their Li+ extraction/insertion rates and discussion about the effect of the particle structure and morphology on lithium adsorption ... -
Preparation of a stabilized ß-cristobalite ceramic from diatomite
Room temperature stabilized ß-cristobalite ceramic has great potential to use in production of engineering ceramic materials due to its high resistance to thermal shock and low expansion coefficient with high chemical ...
