Başlık için Kimya Mühendisliği Bölümü listeleme
Toplam kayıt 233, listelenen: 108-127
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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 ... -
Formulation studies on stability of solid-state proteases for detergent applications
(Elsevier Science BV, 2012)… -
Fındık kabuklarından hızlı piroliz yöntemiyle sentetik sıvı yakıt eldesi
(1998)Bu çalışmada, fındık kabuklarının sabit yataklı borusal reaktörde farklı piroliz koşullarında hızlı pirolizi gerçekleştirilmiştir. Hızlı piroliz çalışmaları, borusal reaktörde sürükleyici gaz ortamında iki farklı grupta ... -
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 ... -
Hydrogen from Tobacco Waste
(IEEE, 2017)In order to meet the energy demand and to have a cleaner environment, the interest in new and renewable energy sources has been increasing. In this regard, biomass is one of the renewable energy sources and it can be used ... -
Hydrogen production by supercritical water gasification of fruit pulp in the presence of Ru/C
(Pergamon-Elsevier Science LTD, 2016)In this work, supercritical water gasification of fruit pulp was conducted in a batch reactor in the presence of Ru/C catalyst. Reaction parameters such as temperature (673-873 K), time (0-60 min), biomass ratio (2.5-10wt.%) ... -
Hydrogen production from tea waste
(Pergamon-Elsevier Science LTD, 2016)Hydrogen production from biomass is gaining more attention due to the depletion of fossil fuel sources. Tea waste as an agricultural waste is a promising feedstock in order to obtain hydrogen-rich gas via gasification. In ... -
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 ... -
Influence of Zinc Oxide on Thermoplastic Elastomer-Based Composites: Synthesis, Processing, Structural, and Thermal Characterization
(Wiley-Blackwell, 2016)It was aimed to investigate how thermal conductivity and stability properties of synthesized thermoplastic elastomers were influenced by zinc oxide (ZnO) additives which differed in size and surface treatment. ZnO particles ... -
Insights into pyrolysis and co-pyrolysis of biomass and polystyrene: Thermochemical behaviors, kinetics and evolved gas analysis
(Pergamon-Elsevier Science LTD, 2017)The purpose of this study was to investigate the effect on polystyrene (PS) during co-pyrolysis with biomass through thermal decomposition. The model-free iso-conversional methods (Kissinger, Friedman, Flynn-WallOzawa, ... -
Investigating the interactions between lignocellulosic biomass and synthetic polymers during co-pyrolysis by simultaneous thermal and spectroscopic methods
(Springer Heidelberg, 2019)The aim of this study was to investigate the effects of synthetic polymers during co-pyrolysis. To this end, a non-edible lignocellulosic biomass, walnut shells, and three synthetic polymers that were obtained from a ... -
Investigation of the dissolution kinetics of kaolin in HCl solution
(Elsevier Science BV, 2003)Kaolin with a given size distribution was calcined at 1023 K for 2 h. The calcined samples were digested in hydrochloric acid solutions of known concentration at constant temperatures. The samples taken from the solution ... -
Investigation of the Dissolution Kinetics of Meta-Kaolin in H2SO4 Solution
(American Chemical Society, 2010)Kaolin with a given size distribution was calcined at 1023 K for 2 h then digested in 3 0, 4 5, and 60 N sulfuric acid at constant temperatures within the range 328-358 K The samples taken from the solution at predetermined ... -
Investigation of the effect of low temperature low time alkali pretreatment on hazelnut shells composition and enzymatic hydrolysis
(Gazi University, Fac Engineering Architecture, 2017)In this study, effect of low temperature-short time alkali pretreatment of hazelnut shells on glucose recovery after enzymatic hydrolysis was investigated. NaOH pretreatment was found to give the highest glucose recovery. ... -
Investigation of Turkish poppy seeds and seed oils
(Kluwer Academic/Plenum Publishers, 2004)The oil yields. fatty acid compositions, and total protein contents of three varieties of Turkish poppy were investigated. Solvent extraction of yellow seed gave the highest oil yield (49.2%). while white seed (36.8%) and ...