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Toplam kayıt 49, listelenen: 1-20
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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 ... -
Beneficial-Effects of Hydrogen Pressure in the Pyrolysis of Biomass - a Study of Euphorbia-Rigida
(Elsevier Science BV, 1993)Fixed-bed pyrolysis and hydropyrolysis experiments at different temperatures and pressures have been conducted on a sample of Euphorbia Rigida extracted with n-hexane and methanol to remove low molecular mass terpenoids ... -
Bio-oil production by fast pyrolysis of olive residue: Effect of pyrolysis temperature and heating rate
(Norwegian University Sci Technol, 2005)In this study our aim is to reach high yields of bio-oil in a fixed bed tubular reactor at various pyrolysis temperatures, sweeping gas velocities, and heating rates. In these experiments, to improve heat and mass transfer, ... -
Biochar for climate change mitigation: Tracing the in-situ priming effect on a forest site
(Elsevier Science BV, 2015)A significant amount of Carbon (C) on global soils consists of black carbon or charred organic matter. Biochar amendment in soils is therefore seen as a potential geoengineering method for climate change mitigation and ... -
Biocrude from biomass: pyrolysis of cottonseed cake
(Pergamon-Elsevier Science LTD, 2001)Fixed-bed pyrolysis experiments have been conducted on a sample of cottonseed cake to determine the possibility of being a potential source of renewable fuels and chemicals feed-stocks, in two different reactors, namely a ... -
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 ... -
Catalytic Pyrolysis of Biomass: Yields and Characterization of the Products
(Amer Soc Mechanical Engineers, 2009)Terpene hydrocarbons are high energy capacity hydrocarbons. The most known terpenoid biomass is Euphorbiaccae family. Euphorbia rigida, a member of Euphorbiaccae, was used as the biomass feedsock and natural zeolite was ... -
Characterization of slow pyrolysis oil obtained from linseed (Linum usitatissimum L.)
(Elsevier Science BV, 2009)This study presents the characterization of pyrolysis oil obtained from linseed (Linum usitatissimum L.) produced by slow pyrolysis in the maximum yield. The pyrolysis oil was analyzed to determine its elemental composition ... -
Co-pyrolysis characteristics and kinetics of plastic waste with biomass waste
(Nis University, 2011)In the present study, co-pyrolysis of plastic waste with biomass waste were carried out in a thermogravimetric analyzer heating from room temperature to 800 °C with a heating rate of 10 °C min-1 in the presence of nitrogen ... -
Co-pyrolysis of oil shale and biomass
(Nis University, 2011)In this study, co-pyrolytic behaviors of oil shale and Euphorbia rigida were investigated at different temperatures in a fixed bed reactor at 450, 500, and 550 °C with a heating rate of 10 °C min-1 in the presence of ... -
Comparison of Dilute Acid and Alkali Catalysed Liquid Hot Water Pretreatment of Hazelnut Shells for Enzymatic Hydrolysis
(Eta-Florence Renewable Energies, 2015)The efficiency of alkali and acid pretreatment of hazelnut shells for increasing enzymatic saccharification of cellulose has been evaluated. Hazelnut shells were pretreated with 1% of sulphuric acid, and 2.25 % sodium ... -
Comparison of High Temperature Alkali and Acid Pretreatment for the Enzymatic Saccharification of Poppy Stalks
(Aidic Servizi Srl, 2014)In this study, the effect of dilute alkali (NaOH) and dilute acid (H2SO4) concentrations on the enzymatic digestibility, and sugar recovery from poppy stalks at the pretreatment temperature of 120 degrees C, and pretreatment ... -
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 ... -
Effect of Carbon Black and/or Elastomer on Thermoplastic Elastomer-based Blends and Composites
(Amer Inst Physics, 2015)It was aimed to investigate the effect of carbon black and/or elastomer on the electrical conductivity and mechanical properties of thermoplastic elastomer (TPE). Carbon black (CB) and ethylene-glycidyl methacrylate (E-GMA) ... -
Effect of Lignite Addition and Steam on the Pyrolysis of Turkish Oil Shales
(Butterworth-Heinemann LTD, 1992)Steam was found to be a more effective sweep gas than nitrogen at low velocities in fixed-bed pyrolysis of Goynuk oil shale but, at higher velocities and in fluidized-bed pyrolysis, the differences were considerably less ... -
Effect of Temperature and Time on the Steam Pretreatment of Hazelnut Shells for the Enzymatic Saccharification
(Aidic Servizi Srl, 2014)Saturated steam pretreatment of hazelnut shells was studied for fermentable sugars after enzymatic hydrolysis. The elevation of temperature (from 160 to 200 degrees C) and time (0-30 min) of steam pretreatment were ... -
Effects of Mass-Transfer and Hydrogen Pressure on the Fixed-Bed Pyrolysis of Sunflower Bagasse
(American Chemical Society, 1994)… -
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 ... -
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), ...
