Güncel Gönderiler: Makale Koleksiyonu
Toplam kayıt 179, listelenen: 121-140
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Ethanol production from hazelnut shells through enzymatic saccharification and fermentation by low-temperature alkali pretreatment
(Elsevier Sci LTD, 2017)Low-temperature sodium hydroxide (NaOH) pretreatment, enzymatic saccharification and ethanol fermentation were evaluated for hazelnut shell cellulose to fermentable sugars and ethanol. Maximum glucose recovery (48.33 g/100 ... -
Adsorptive removal of phenol from aqueous solutions on activated carbon prepared from tobacco residues: Equilibrium, kinetics and thermodynamics
(Elsevier Science BV, 2011)This study consists of producing high surface area activated carbon from tobacco residues by chemical activation and its behavior of phenol removal from aqueous solutions. K(2)CO(3) and KOH were used as chemical activation ... -
Thermal characterization and flammability of polypropylene containing sepiolite-APP combinations
(Walter De Gruyter GMBH, 2017)The effects of sepiolite on fire behavior of ammonium polyphosphate-based intumescent flame retardant (IFR)/polypropylene (PP) were investigated. The disaggregation of sepiolite bundles has been provided by wet-milling as ... -
Equilibrium, Thermodynamic, and Kinetic Studies for the Adsorption of Cadmium(II) Ions onto Activated Carbon Prepared from Euphorbia rigida by Chemical Activation
(Taylor & Francis Inc, 2014)Equilibrium, thermodynamic, and kinetic studies were carried out for the adsorption of cadmium(II) ions from aqueous solution using high surface area (2,613 m(2)/g) microporous activated carbon prepared from Euphorbia ... -
Optimization of parametric performance of a PEMFC
(Pergamon-Elsevier Science LTD, 2007)In this study, the Taguchi method was applied to determine optimum working conditions in obtaining maximum power density of a PEMFC. Performance measure analysis was also followed by performing a variance analysis, in order ... -
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. ... -
Potential contribution of firewood, energy forestation and forest residues in Turkey
(Multi-Science Publ Co LTD, 2010)In this paper, the firewood, energy forest and forest residue potentials of Turkey are investigated. Turkey has no large oil or gas reserves and more than half of the consumed energy is imported from abroad. Hence, in order ... -
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 ... -
Thermodynamic modeling of the water-gas shift reaction in supercritical water for hydrogen production
(Maik Nauka/Interperiodica/Springer, 2017)In this study, a computational model is developed for the estimation of the equilibrium composition of WGSR (water gas shift reaction) based on the stoichiometric and nonstoichiometric thermodynamic approaches. The model ... -
A Comparative Characterization of the HPA-MCM-48 Type Catalysts Produced by the Direct Hydrothermal and Room Temperature Synthesis Methods
(Hindawi LTD, 2012)MCM-48 type support materials synthesized by the direct hydrothermal synthesis (HTS) and room temperature synthesis (RTS) methods were incorporated with tungstophosphoric acid (TPA) in the range of 10-40 wt% by using a wet ... -
Polymer Electrolyte Membrane Fuel Cell Performance of a Sulfonated Poly(Arylene Ether Benzimidazole) Copolymer Membrane
(Hindawi Publishing Corp, 2016)Disodium-3,3'-disulfonate-4,4'-dichlorodiphenylsulfone (SDCDPS) and 5,5'-bis[2-(4-hydroxyphenyl) benzimidazole] (HPBI) monomers were synthesized. Binding these monomers via nucleophilic aromatic polycondensation reaction, ... -
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 ... -
Effects of processing on the properties of chitosan/cellulose nanocrystal films
(Elsevier Sci LTD, 2015)Biocomposites of chitosan (CS)/cellulose nanocrystals (CN) were prepared by using solution casting method. Influences of solution preparation method and CN content on the properties of composites were investigated. Mechanical ... -
Effect of ZnO type and concentration on the mophology, thermal, and mechanical properties of poly(ether ester)/ZnO composites
(Wiley-Blackwell, 2013)Poly(ether ester) (PEE) copolymers were synthesized in a two-stage process involving transesterification and polycondensation. The synthesized copolymer and the zinc oxide (ZnO) were used in composite preparation by melt ... -
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 ... -
The efficacy of a novel antibacterial hydroxyapatite nanoparticle-coated indwelling urinary catheter in preventing biofilm formation and catheter-associated urinary tract infection in rabbits
(Springer, 2011)The aim of this study was to investigate of the efficacy and reliability of a novel antimicrobial hydroxyapatite (HA) nanoparticle coating of urethral catheters, in the prophylaxis of biofilm formation and bacteriuria in ... -
Removal of copper(II) and cadmium(II) ions from aqueous solutions by biosorption onto pine cone
(Iwa Publishing, 2012)In this study, the removal of copper(II) and cadmium(II) ions from aqueous solutions by biosorption onto pine cone was studied. Variables that affect the biosorption process such as pH, biosorbent dosage, initial metal ion ... -
Combined effect of a plasticizer and carvacrol and thymol on the mechanical, thermal, morphological properties of poly(lactic acid)
(Wiley, 2018)In this study, the effects of the monotherpenic phenol concentration on the properties of biocomposites containing plasticized poly(lactic acid) (PLA) with acetyl tributyl citrate (ATBC) were investigated. The monotherpenic ... -
Development of antibacterial electrospun chitosan/poly(vinyl alcohol) nanofibers containing silver ion-incorporated HAP nanoparticles
(Taylor & Francis LTD, 2013)Chitosan/poly(vinyl alcohol) (CS/PVA) nanofibers with a diameter in the range of 60-70nm were prepared by electrospinning method. The effect of CS/PVA blend ratio and process parameters on the morphology and diameter of ... -
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 ...
