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Toplam kayıt 49, listelenen: 33-49
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Leaching of F-type fly ash based geopolymers
(Elsevier Science BV, 2012)Geopolymers are the synthetic analogues of natural zeolitic materials. Geopolymeric materials possess excellent mechanical properties, including fire and acid resistance. These properties make geopolymers an alternative ... -
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 ... -
Microwave Irradiation Application in Biodiesel Production from Promising Biodiesel Feedstock: Microalgae (Chlorella protothecoides)
(Int Assoc Engineers-Iaeng, 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 ... -
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 ... -
Multiblock polyester elastomers/zinc oxide composites: Preparation and characterization
(2011)In this study, composites were obtained by introducing the zinc oxide (ZnO) fillers into the block copolymers of poly(butylene terephthalate) (PBT) and poly(tetramethylene oxide) (PTMO) by melt compounding method. The ... -
Optimization of Hydrothermal Pretreatment Parameters for Glucose and Xylose Recovery From Poppy Stalks
(Eta-Florence Renewable Energies, 2015)Response surface methodology (RSM) was employed to optimize hydrothermal pretreatment conditions for glucose and xylose recovery from poppy stalk, with respect to temperature (120-200oC), solid to liquid ratio (0.05-0.20) ... -
Preparation of Ni-based catalysts to produce hydrogen from glycerol by steam reforming process
(Pergamon-Elsevier Science LTD, 2016)Nickel and Nickel-Palladium-catalysts supported on Al2O3-ZrO2, Al2O3-ZrO2-La2O3 and on Olivine were synthesized using a combination of sol-gel and wet impregnation methods. The influence of the formulation on their textural ... -
Production of char from hornbeam sawdust and its performance evaluation in the dye removal
(Elsevier Science BV, 2013)Hornbeam sawdust was used as a biomass sample in the experiments involving char production. Within this purpose, a slow pyrolysis of the biomass sample was carried out in a fixed-bed reactor. The chemical characteristics ... -
Pyrolysis and Catalytic Upgrading of Lignocellulosic Biomass Using Metal Loaded Zsm-5 Zeolite
(Eta-Florence Renewable Energies, 2016)The present study is aimed to catalytic upgrading of bio-oil obtained from beech wood sawdust pyrolysis over metal-loaded ZSM-5 zeolites. Ni modified ZSM-5 zeolites synthesized with varying metal loading ratios (1-10 wt. ... -
Pyrolysis Kinetics and Thermal Decomposition Behavior of Polycarbonate - a Tga-Ftir Study
(Vinca Inst Nuclear Sci, 2014)This study covers the thermal degradation of polycarbonate by means of Thermogravimetric Analyzer coupled with Fourier transform infrared spectrometer (TGA-FTIR). Thermogravimetric analysis of polycarbonate was carried out ... -
Rice straw as a bio-oil source via pyrolysis and steam pyrolysis
(Pergamon-Elsevier Science LTD, 2004)The pyrolysis of rice straw was studied to estimate the effect of pyrolysis conditions on product yields and bio-oil composition when the heating rate was 5 K/min. Pyrolysis temperature, particle size, sweeping gas flow ... -
Seed oils of fifteen Ebenus taxa growing in Turkey
(Consultants Bureau, 2001)Oil yields and compositions from seeds of 15 Ebenus taxa growing in Turkey were investigated. The yields were found between 4.0% and 13.0%. The seeds of E. barbigera showed the highest while E. plumosa var. plumosa showed ... -
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 ... -
Thermodynamic Modeling of Water-Gas Shift Reaction in Supercritical Water
(Int Assoc Engineers-Iaeng, 2012)Water gas shift reaction (WGSR) is one of the fundamental reactions which occurs during supercritical water gasification. A stoichiometric thermodynamic model is developed to estimate equilibrium composition of WGSR with ... -
Upgrading of fast pyrolysis bio-oil over Fe modified ZSM-5 catalyst to enhance the formation of phenolic compounds
(Pergamon-Elsevier Science LTD, 2017)The present study is aimed to investigate the upgrading of beech sawdust pyrolysis bio-oil through catalytic cracking of its vapors over Fe-modified ZSM-5 zeolite in a fixed bed tubular reactor. The zeolite supported iron ... -
The use of full factorial design for modeling the effects of process parameters on decolorization of Reactive Yellow 15 by using Fe/ZrO2 catalyst
(Desalination Publ, 2017)This study is an application of full factorial design to determine the effects of operational parameters on heterogeneous Fenton oxidation of Reactive Yellow 15 (RY15). Fenton oxidation was conducted using a Fe/ZrO2 catalyst ... -
ZnO Nanoparticles Bonded to SiO2 Filler as a Curing Accelerator in Cold Vulcanizing Adhesives
(Polish Acad Sciences Inst Physics, 2017)The aim of this study is to investigate the interaction of ZnO/SiO2 particles between the chloroprene rubber and its effect on the cure characteristics and mechanical properties of the cold vulcanizing adhesives. Curing ...