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Toplam kayıt 179, listelenen: 66-85
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Fast pyrolysis of linseed: product yields and compositions
(Elsevier Science BV, 2004)Fixed-bed fast pyrolysis experiments have been conducted on a sample of linseed (Linum usitatis-simum L.) to determine particularly the effect of pyrolysis temperature, heating rate, particle size and sweep gas flow rate ... -
Fast pyrolysis of soybean cake: Product yields and compositions
(Elsevier Sci LTD, 2006)This study was an investigation of the role of important parameters influencing pyrolysis yields from soybean cake. Experiments were carried out at temperatures ranging from 400 to 700 degrees C, for various nitrogen flow ... -
Fast pyrolysis of sunflower-pressed bagasse: Effects of sweeping gas flow rate
(Taylor & Francis Inc, 2002)Sunflower (Helianthus annus L.)-pressed bagasse pyrolysis experiments were performed in a fixed-bed tubular reactor. The effects of nitrogen flow rate and final pyrolysis temperature on the pyrolysis product yields and ... -
Fatty acid composition of seed oils of twelve Salvia species growing in Turkey
(Kluwer Academic/Plenum Publishers, 2004)Seed oils of 12 Salvia species collected from different regions in Turkey (S. albimaculata Hedge & Hub. -Mor., S. candidisima Vahl., S. cedronellaBoiss., S. cryptanthaMontbret &Aucherex Bentham, S. forskahlei L., S. fruticosa ... -
Fatty acids of the seeds of Origanum onites L. and O-vulgare L.
(Springer Heidelberg, 2004)Seed oils of Origanum onites L. from the Antalya and Mugla regions and O. vulgare L. from the Kirklareli region of Turkey were extracted with hexane in a Soxhlet apparatus. The oil yields were 14.1-20.0 and 18.5%, respectively. ... -
Fe2O3 nanocomposite PVC membrane with enhanced properties and separation performance
(Elsevier Science BV, 2017)Organic and inorganic mixed matrix membranes are one of the most promising new membrane materials for ultrafiltration (UF). separation applications. In this study, PVC/Fe2O3-mixed UF membranes were fabricated at different ... -
Fixed bed pyrolysis of Euphorbia rigida with different catalysts
(Pergamon-Elsevier Science LTD, 2005)Since Euphorbia rigida is a celluloid plant with low fat content, the oil yields of previous fixed bed pyrolysis studies were low. In order to increase the oil yield, biomass pyrolysis experiments were performed in a fixed ... -
Fixed-bed pyrolysis and hydropyrolysis of sunflower bagasse: Product yields and compositions
(Elsevier Science BV, 1996)Pyrolysis and hydropyrolysis experiments at different temperatures, heating rates and pressures have been conducted on a sample of sunflower pressed bagasse to investigate the effect of particle size, sweep gas velocity, ... -
Fixed-bed pyrolysis of cotton stalk for liquid and solid products
(Elsevier Science BV, 2005)The pyrolysis of cotton stalk was studied for determining the main characteristics and quantities of liquid and solid products. Particular variables investigated were temperature (from 400 degrees C to 700 degrees C), ... -
Fixed-bed pyrolysis of Daphne (Laurus nobilis L.) seed
(Taylor & Francis Inc, 2003)Fixed-bed slow pyrolysis experiments have been conducted on a sample of daphne seed to determine the effects of pyrolysis temperature, particle size, and heating rate on the pyrolysis product yields and chemical compositions. ... -
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 ... -
Fixed-bed pyrolysis of rapeseed (Brassica napus L.)
(Pergamon-Elsevier Science LTD, 2004)Fixed-bed slow and fast pyrolysis experiments have been conducted on a sample of rapeseed. The experiments were performed in two different pyrolysis reactors, namely a fixed-bed Heinze and a well-swept fixed-bed tubular ... -
Fixed-bed pyrolysis of safflower seed: influence of pyrolysis parameters on product yields and compositions
(Pergamon-Elsevier Science LTD, 2002)Fixed-bed slow pyrolysis experiments have been conducted on a sample of safflower seed to determine particularly the effects of pyrolysis temperature, heating rate, particle size and sweep gas flow rate on the pyrolysis ... -
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 ... -
Flue gas desulfurization by citrate process and optimization of working parameters
(Elsevier Science Sa, 2010)In this study, model flue gas was bubbled into 0.25 L tribasic sodium citrate (TSC) solution being in 0.5 L glass absorber to remove its SO2 content. Size of gas bubbles, absorption temperature, gas flow rate, solution ... -
Humulus lupulus As a Raw Material for Bio-oil Production via Slow Pyrolysis
(Gazi University, 2017)Humulus lupulus, a kind of hop plant agricultural waste was pyrolysed in a fixed bed reactor with a heating rate of 10 degrees C min(-1) in the presence of N-2 atmosphere. The effect of pyrolysis temperature was investigated ... -
Hydrogenolysis of Aqueous Glycerol over Raney Nickel Catalyst: Comparison of Pure and Biodiesel By-Product
(American Chemical Society, 2012)The hydrogenolysis of pure and biodiesel byproduct glycerol in the presence of Raney nickel catalyst using an autoclave was studied. The effects of stirring speed, temperature, amount of catalyst, H-2 pressure, and glycerol ... -
Impregnation of 12-tungstophosphoric acid on tonsil: An effective catalyst for esterification of formic acid with n-butyl alcohol and kinetic modeling
(Elsevier Science BV, 2014)Esterification of formic acid with n-butanol was catalyzed by dodecatungstophosphoric acid, H-3 PW12O40 (DTP) impregnated on tonsil earth. A series of catalysts containing 10%, 20% and 30% of DTP on tonsil earth were ... -
The influence of pectolytic enzyme addition and prefermentative mash heating during the winemaking process on the phenolic composition of Okuzgozu red wine
(Elsevier Sci LTD, 2013)The effects of pectolytic enzyme addition and mash heating prior to fermentation on the phenolic component of Okuzgozu red wine during the winemaking and ageing processes were investigated. In general, the highest concentration ... -
Influence of temperature and alumina catalyst on pyrolysis of corncob
(Elsevier Sci LTD, 2009)Corncob has been investigated as an alternative feedstock to obtain fuels and chemicals via pyrolysis in fixed-bed reactor. The influence of pyrolysis temperature in the range 300-800 degrees C as well as the catalyst ...