Güncel Gönderiler: Mühendislik Fakültesi
Toplam kayıt 2037, listelenen: 541-560
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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 ... -
The experimental optimization of the electrosynthesis of manganese(III) acetate in a bipolar packed-bed reactor
(Elsevier Science Sa, 2004)The electrochemical oxidation of Mn(II) acetate to Mn(III) acetate, which is an industrial oxidizing agent and catalyst, in acetic acid medium was investigated in a bipolar packed-bed electrode cell with mesh spacers. The ... -
Characterization of the pyrolysis oil produced in the slow pyrolysis of sunflower-extracted bagasse
(Pergamon-Elsevier Science LTD, 2001)Sunflower (Helianthus annus L.)-extracted bagasse pyrolysis experiments were performed in a fixed-bed reactor. The effects of heating rate, final pyrolysis temperature, particle size and pyrolysis atmosphere on the pyrolysis ... -
Biooil production from an oilseed crop: Fixed-bed pyrolysis of rapeseed (Brassica napus L.)
(Taylor & Francis Inc, 2000)Fixed-bed pyrolysis experiments at differ ent temperatures and heating rates have been conducted on a rapeseed sample to investigate the effect of particle size and sweep gas velocity on the product yields. The various ... -
Liquid products from pyrolysis of synthetic blends of Turkish oil shales and lignites
(Taylor & Francis Inc, 2000)Fixed-bed pyrolysis experiments have been conducted on samples from synthetic blends of Seyitomer oil shale and lignites to determine the possibility of being a potential source of fuels and chemical feedstocks. The effects ... -
The synthesis of manganese(III) acetate in bipolar packed-bed and trickle-bed electrode cells
(Scientific Technical Research Council Turkey, 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 ... -
Fixed-bed pyrolysis of hazelnut shell: A study on mass transfer limitations on product yields and characterization of the pyrolysis oil
(Taylor & Francis Inc, 2000)Fixed-bed slow and fast pyrolysis experiments have been conducted on a sample of hazelnut shelf. The experiments were performed in two different pyrolysis reactors, a fixed-bed Heinze and a well-swept fixed-bed tubular ... -
Production of bio-oil from biomass: Slow pyrolysis of rapeseed (Brassica napus L.) in a fixed-bed reactor
(Taylor & Francis Inc, 2003)Rapeseed (Brassica napus L.) pyrolysis experiments were performed in a fixed-bed reactor The effects of heating rate, final pyrolysis temperature, particle size, and pyrolysis atmosphere on pyrolysis product Yields and ... -
Synthesis and Characterization of Supported and Non-Supported Iron-Incorporated Catalysts
(Gazi University, Fac Engineering Architecture, 2009)In the content of this study, silica supported Fe-MCM-48 catalysts were produced using direct hydrothermal synthesis (Fe-MCM-48-1) and wet-impregnation (Fe-MCM-48-2) methods and an unsupported Fe-Mo-O catalyst was produced ... -
Supercritical fluid extraction of daphne (Laurus nobilis L.) seed oil
(Springer, 2006)Laurus nobilis L., commonly known as daphne tree, is an evergreen that belongs to the Lauraceae family. Daphne trees produce grape-sized shiny purplish berries having three parts: flesh, skin, and an inner kernel (single ... -
Fatty acid composition of pistachio nuts in Turkey
(Consultants Bureau, 2003)In this study oil yields and fatty acid compositions in the kernels of two varieties (Uzun and Siirt) of pistachio grown in different region of Turkey were investigated. Kernel oils were obtained by Soxhlet extraction using ... -
Bio-oil production from Onopordum acanthium L. by slow pyrolysis
(Elsevier Science BV, 2011)In this study, the usability of the plant thistle, Onopordum acanthium L., belonging to the family Asteraceae (Compositae), in liquid fuel production has been investigated. The experiments were performed in a fixed-bed ... -
The Effects of Different Catalysts on the Pyrolysis of Thistle, Onopordum Acanthium L.
(Taylor & Francis Inc, 2013)Fixed-bed fast pyrolysis experiments have been conducted on a sample of thistle, Onopordum Acanthium L. The experiments were performed in a fixed-bed tubular pyrolysis reactor to investigate the effects of sweeping gas ...
