• Co-pyrolysis characteristics and kinetics of plastic waste with biomass waste 

  Kılıç, M.; Pütün, Ayşe Eren; Pütün, Ersan (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 

  Kılıç, M.; Poyraz, Z.; Pütün, Ayşe Eren; Pütün, E. (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 ...

• Multiblock polyester elastomers/zinc oxide composites: Preparation and characterization 

  Çelebi, Hande; Bayram, Göknur; Doğan, Aydın (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 ...

• Microwave irradiation application in biodiesel production from promising biodiesel feedstock: Microalgae (Chlorella protothecoides) 

  Azcan, Nezihe; Yılmaz, Özlem (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 ...

• Development of antibacterial electrospun chitosan/poly(vinyl alcohol) nanofibers containing silver incorporated HAP nanoparticles 

  Çelebi, Hande; Gürbüz, Mevlüt; Koparal, Ali Savaş; Doğan, A. (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 ...

• Thermal and mechanical properties of PLA/PEG blend and its nanocomposites 

  Çelebi, Hande; Kurt, A. (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 ...

• Fast pyrolysis of biomass with activated alumina 

  Ateş, Funda (2011)

  In this study, corncob was chosen as a biomass sample and the pyrolysis of this sample was carried out with or without catalyst at different conditions in a well-swept fixed-bed reactor. In the experimental studies, firstly ...

• Energy consumption of biodiesel production from microalgae oil using homogeneous and heterogeneous catalyst 

  Azcan, Nezihe; Yılmaz, Özlem (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), ...

• Electrode optimization for direct methanol fuel cells 

  Köseler, S.; Akyalçın, Levent; Kaytakoğlu, Süleyman (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 ...

• MEA and methanol concentration optimization of a passive direct methanol fuel cell 

  Akyalçın, Levent; Kaytakoğlu, Süleyman (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 ...

• Biodiesel production from castor oil by transesterification reaction and investigation of the fuel properties 

  Aygün, A.; Azcan, Nezihe; Erciyes, A. T. (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 ...

• Acetalization of pure and biodiesel by-product glycerol with butyraldehyde 

  Hoşgün, H. L.; Yıldız, M.; Gerçel, Hasan Ferdi (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 ...

• Enhancement of adhesion between high density polyethylene and poly(ethylene terephthalate) films 

  Durgun, H.; Bayram, G. (2004)

  Blends of high density polyethylene (HDPE) and ethylene-methyl acrylate-glycidyl methacrylate (E-MA-GMA) prepared in a twin-screw extruder, were used to improve the adhesion between HDPE and poly(ethylene terephthalate), ...

• Fatty acid composition of pistachio nuts in Turkey 

  Satıl, Fatih; Azcan, Nezihe; Başer, K. Hüsnü Can (Consultants Bureau, 2003)

  In this study oil yields and fatty acid compositions in the kernels of two varieties (Uzun and Siirt) of pistachio grown in different region of Turkey were investigated. Kernel oils were obtained by Soxhlet extraction using ...

• Biocrude from biomass: pyrolysis of cottonseed cake 

  Özbay Nurgül; Pütün, Ayşe Eren; Uzun, Başak Burcu; Pütün, Ersan (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 ...

• Seed oils of fifteen Ebenus taxa growing in Turkey 

  Azcan, Nezihe; Sarıcoban, S; Demirci, Betül; Aytaç, Zeki; Başer, K. Hüsnü Can (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 ...

• FAST PYROLYSIS of BIOMASS with ACTIVATED ALUMINA 

  Ateş, Funda (Amer Soc Mechanical Engineers, 2012)

  In this study, corncob was chosen as a biomass sample and the pyrolysis of this sample was carried out with or without catalyst at different conditions in a well-swept fixed-bed reactor. In the experimental studies, firstly ...

• An energy crop for producing bio-fuel: Euphorbia rigida 

  Uzun, Başak Burcu; Pütün, Ayşe Eren; Apaydın, E; Pütün, E (Norwegian University Sci Technol, 2005)

  Biomass and energy crops are the renewable energy sources, which is often believed to have the highest potential to contribute to a future sustainable energy supply to world's energy. Bioenergy is expected to become one ...

• Bio-oil production by fast pyrolysis of olive residue: Effect of pyrolysis temperature and heating rate 

  Uzun, Başak Burcu; Pütün, Ayşe Eren; Pütün, Ersan (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, ...

• Rice straw as a bio-oil source via pyrolysis and steam pyrolysis 

  Pütün, Ayşe Eren; Apaydın, Elif; Pütün, Ersan (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 ...

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