Güncel Gönderiler: Fakülteler
Toplam kayıt 10075, listelenen: 1421-1440
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Microwave irradiation application in biodiesel production from promising biodiesel feedstock: Microalgae (Chlorella protothecoides)
(Newswood Limited, 2012)Microwave irradiation effect on transesterification reaction of the new generation biofuel resource, microalgae, was studied. Experiments were conducted in order to evaluate the effects of reaction variables such as catalyst ... -
Development of antibacterial electrospun chitosan/poly(vinyl alcohol) nanofibers containing silver incorporated HAP nanoparticles
(European Conference on Composite Materials, ECCM, 2012)Chitosan/poly(vinyl alcohol) (CS/PVA) nanofibers with a diameter in the range of 60-80 nm were produced by electrospinning method. The effect of CS/PVA blend ratio and process parameters on the morphology of fibers was ... -
Thermal and mechanical properties of PLA/PEG blend and its nanocomposites
(European Conference on Composite Materials, ECCM, 2014)In this study, the nanocomposites of polylactic acid-polyethylene glycol (PLA-PEG) blend and cellulose nanocrystals were prepared. Cellulose nanocrystals were produced by sulphuric acid hydrolysis of microcrystalline ... -
Fast pyrolysis of biomass with activated alumina
(2011)In this study, corncob was chosen as a biomass sample and the pyrolysis of this sample was carried out with or without catalyst at different conditions in a well-swept fixed-bed reactor. In the experimental studies, firstly ... -
Demir içerikli destekli ve desteksiz katalizör sentezi ve karakterizasyonu
(2009)Çalışma kapsamında silika bazlı Fe-MCM-48 katalizörleri doğrudan hidrotermal sentez (Fe-MCM-48-1) ve yaş emdirme (Fe-MCM-48-2) metotlarıyla, desteksiz Fe-Mo-O katalizörü ise birlikte çöktürme metodu ile üretilmiştir. ... -
Characterization of bio-oil obtained from fruit pulp pyrolysis
(Elsevier Ltd, 2008)Apricot pulps was pyrolyzed in a fixed-bed reactor under different pyrolysis conditions to determine the role of final temperature, sweeping gas flow rate and steam velocity on the product yields and liquid product composition ... -
Energy consumption of biodiesel production from microalgae oil using homogeneous and heterogeneous catalyst
(Springer Verlag, 2014)Transesterification reaction of the new generating biofuel resource, microalgae was conducted. In order to evaluate the effects of reaction variables such as catalyst type (KOH, NaOH), catalyst amount (1-1.5 % w/w), ... -
Electrode optimization for direct methanol fuel cells
(ENEA, 2009)In this study, the Taguchi method was used to optimize the structural combination of electrode constituents of a direct methanol fuel cell (DMFC). The variance analysis was also performed in order to determine the optimum ... -
MEA and methanol concentration optimization of a passive direct methanol fuel cell
(ENEA, 2009)Passive direct methanol fuel cells (PDMFC) come to attention of portable electronic devices manufacturer as promising power generators. However, it is necessary to maximize the power density of PDMFC's with optimized system ... -
The synthesis of manganese (III) acetate in bipolar packed-bed and trickle-bed electrode cells
(2000)In this research, the electrochemical oxidation of Mn(II) acetate to Mn(III) acetate was investigated in aqueous acetic acid solution, using a bipolar particulate electrode cell. In order to determine the effect of flow ... -
Electrochemical treatment of water containing dye-stuffs: Anodic oxidation of congo red and xiron blau 2rhd
(1992)Removal of Congo Red and Xiron Blau 2RHD from their aqueous solutions has been carried out in a trickle tower electrochemical reactor. The effects of initial dye concentration, applied potential and solution flow rate on ... -
Removal of Dye Stuffs from Waste Water: Electrocoagulation of Acilan Blau Using Soluble Anode
(1992)An attempt was made to remove a dye such as Acilan Blau usingan electrochemical method. In the process a bipolar packed bed electrochemical reactor consisting of soluble electrodes was used and operated in the batch mode. ... -
Removal of chromium from aqueous solutions and plating bath rinse by an electrochemical method
(1994)In this work, a bipolar packed bed electrolytic cell having steel Raschig rings behaving as electrodes has been used to remove chromium in the form of Cr(VI) from aqueous solutions and a sample of plating bath rinse. ... -
Biodiesel production from castor oil by transesterification reaction and investigation of the fuel properties
(2010)Biodiesel production from castor oil was performed by alcoholysis reaction with methyl alcohols. Among the alkali catalysts, KOH gave the best yield and conversion in microwave heated reaction. The optimum conditions for ... -
Acetalization of pure and biodiesel by-product glycerol with butyraldehyde
(2010)Biodiesel synthesis by transesterification reaction of oils and fats with methanol is an attractive alternative for petroleum based fuels. Glycerol is obtained as by-product from transesterification reaction and its amount ... -
Comparison of the generation of oil by the extraction and the hydropyrolysis of biomass
(Elsevier Sci LTD, 2006)This paper discusses the maximisation of the yields of useful bio-oils generated from seeds and nut-shells both by extraction and by hydropyrolysis. The formation and the composition of the bio-oils are also discussed. ... -
Flash pyrolysis of sunflower oil cake for production of liquid fuels
(Elsevier, 2001)Flash pyrolysis experiments of sunflower (Helianthus annuus L.) press oil cake were performed in a tubular transport reactor at atmospheric pressure under nitrogen atmosphere. The effects of pyrolysis temperature, particle ... -
Enhancement of adhesion between high density polyethylene and poly(ethylene terephthalate) films
(2004)Blends of high density polyethylene (HDPE) and ethylene-methyl acrylate-glycidyl methacrylate (E-MA-GMA) prepared in a twin-screw extruder, were used to improve the adhesion between HDPE and poly(ethylene terephthalate), ... -
Olive bagasse (Olea europea L.) pyrolysis
(Elsevier Sci LTD, 2006)Olive bagasse (Olea europea L.) was pyrolysed in a fixed-bed reactor. The effects of pyrolysis temperature, heating rate, particle size and sweep gas flow rates on the yields of the products were investigated. Pyrolysis ... -
Extraction of poppy seed oil using supercritical CO2
(Inst Food Technologists, 2003)Extraction of poppy seed oil with supercritical carbon dioxide (SC-CO2) was performed and the effect of extraction conditions on oil solubility and yield as well as oil composition was evaluated. Within the temperature (50 ...
