Yazar "Uzun, Başak Burcu" için Makale Koleksiyonu listeleme
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Bio-oil from olive oil industry wastes: Pyrolysis of olive residue under different conditions
Pütün, Ayşe Eren; Uzun, Başak Burcu; Apaydın-Varol, Esin; Pütün, Ersan (Elsevier Science BV, 2005)Olive residues were pyrolysed in a fixed bed reactor under different pyrolysis conditions to determine the role of final temperature, sweeping gas flow rate and steam velocity on the product yields and liquid product ... -
Bio-oil production via co-pyrolysis of almond shell as biomass and high density polyethylene
Önal, Eylem; Uzun, Başak Burcu; Pütün, Ayşe Eren (Pergamon-Elsevier Science LTD, 2014)Biomass from almond shell (aS) was co-pyrolyzed with high density polyethylene (HDPE) polymer to investigate the synergistic effects on the product yields and compositions. The pyrolysis temperature was selected as 500 C, ... -
Biodiesel production from waste frying oils: Optimization of reaction parameters and determination of fuel properties
Uzun, Başak Burcu; Kılıç, Murat; Özbay Nurgül; Pütün, Ayşe Eren; Pütün, Ersan (Pergamon-Elsevier Science LTD, 2012)Alkali-catalyzed transesterification of waste frying oils (WFO) was carried out in various conditions to investigate the effects of catalyst concentration, reaction time, methanol/oil molar ratio, reaction temperature, ... -
Catalytic pyrolysis of waste furniture sawdust for bio-oil production
Uzun, Başak Burcu; Kanmaz, gülin (SAGE Publications LTD, 2014)In this study, the catalytic pyrolysis of waste furniture sawdust in the presence of ZSM-5, H-Y and MCM-41 (10 wt % of the biomass sample) was carried out in order to increase the quality of the liquid product at the various ... -
Catalytic upgrading of pyrolysis vapours: Effect of catalyst support and metal type on phenolic content of bio-oil
Yaman, Elif; Yargic, Adife Seyda; Özbay Nurgül; Uzun, Başak Burcu; Kalogiannis, Konstantinos G.; Stefanidis, Stylianos D.; Lappas, Angelos A. (Elsevier Sci LTD, 2018)Bio-oil from low-cost and renewable lignocellulosic biomass is a complex mixture of organic compounds and water. It is necessary to selectively control the biomass pyrolysis pathways to obtain specific bio-oils rich in ... -
Comparative analysis of pyrolysis oils and its subfractions under different atmospheric conditions
Özbay Nurgül; Uzun, Başak Burcu; Varol, Esin Apaydın; Pütün, Ayşe Eren (Elsevier Science BV, 2006)In this paper comparative analysis of bio-oils and their subtraction from static, sweeping gas and steam pyrolysis of apricot pulp, a food industry waste, was investigated. Experimental studies were conducted in a well-swept ... -
Comparison between the "slow" and "fast" pyrolysis of tobacco residue
Pütün, Ayşe Eren; önal, Eylem; Uzun, Başak Burcu; Özbay Nurgül (Elsevier Science BV, 2007)In this study, the trends in yields and product compositions of slow pyrolysis and fast pyrolysis were determined and compared with each other. Slow pyrolysis of tobacco residues with particles of between 0.425 and 0.850 ... -
Converting of oil shale and biomass into liquid hydrocarbons via pyrolysis
Kılıç, Murat; Pütün, Ayşe Eren; Uzun, Başak Burcu; Pütün, Ersan (Pergamon-Elsevier Science LTD, 2014)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 degrees C with a heating rate of 10 degrees C/min in the ... -
Effect of operating parameters on bio-fuel production from waste furniture sawdust
Uzun, Başak Burcu; Kanmaz, gülin (SAGE Publications LTD, 2013)Fast pyrolysis is an effective technology for conversion of biomass into energy and value- added chemicals instead of burning them directly. In this study, fast pyrolysis of waste furniture sawdust (pine sawdust) was ... -
The effect of pyrolysis atmosphere on bio-oil yields and structure
Önal, Eylem; Uzun, Başak Burcu; Pütün, Ayşe Eren (Taylor & Francis Inc, 2017)A food industry waste, almond shell, was pyrolyzed under three different environment static, nitrogen, and steam to produce bio-oil and its derivatives. The oil yield obtained at pyrolysis temperature of 600 degrees C was ... -
Evaluation of Field Debris of Chickpea Husk as a Low-Cost Biosorbent for Removal of Methylene Blue From Aqueous Solutions
Kılıç, Murat; Cepelioğullar, Özge; Özsin, Gamzenur; Uzun, Başak Burcu; Pütün, Ayşe Eren (Gazi University, Fac Engineering Architecture, 2014)In the present study, an important agricultural waste, chickpea straw, was evaluated as biosorbent material for the removal of basic dyes from aqueous solutions. Effects of solution pH, biosorbent dosage, initial dye ... -
An experimental study on bio-oil production from co-pyrolysis with potato skin and high-density polyethylene (HDPE)
Önal, Eylem; Uzun, Başak Burcu; Pütün, Ayşe Eren (Elsevier Science BV, 2012)In order to investigate the synergistic effect of high dense polyethylene (HOPE) addition to potato skin (pS) during co-pyrolysis, pure HDPE was pyrolysed as a model compound for determination of the optimum process ... -
Fast pyrolysis of soybean cake: Product yields and compositions
Uzun, Başak Burcu; Pütün, Ayşe Eren; Pütün, Ersan (Elsevier Sci LTD, 2006)This study was an investigation of the role of important parameters influencing pyrolysis yields from soybean cake. Experiments were carried out at temperatures ranging from 400 to 700 degrees C, for various nitrogen flow ... -
NOHUT SAMANI TARLA ATIĞININ SULU ÇÖZELTİLERDEN METİLEN MAVİSİ GİDERİMİNDE DÜŞÜK MALİYETLİ BİYOSORBENT OLARAK DEĞERLENDİRİLMESİ
Kılıç, M.; Çepelioğullar, Özge; Özsin, Gamzenur; Uzun, Başak Burcu; Pütün, Ayşe Eren (Gazi Universitesi Muhendislik-Mimarlik, 2014)Yapılan bu çalışmada tarımsal bir atık olan nohut samanı, sulu çözeltilerden boyar madde gideriminde biyosorbent olarak değerlendirilmiştir. Çözelti pH’ı, biyosorbent miktarı, başlangıç boyar madde derişimi, temas süresi ... -
Nohut Samanı Tarla Atığının Sulu Çözeltilerden Metilen Mavisi Gideriminde Düşük Maliyetli Biyosorbent Olarak Değerlendirilmesi
Yapılan bu çalışmada tarımsal bir atık olan nohut samanı, sulu çözeltilerden boyar madde gideriminde biyosorbent olarak değerlendirilmiştir. Çözelti pH'ı, biyosorbent miktarı, başlangıç boyar madde derişimi, temas süresi ... -
Optimization of Biodiesel Production and Fuel Properties of Blends
Uzun, Başak Burcu; Kılıç, Murat; Apaydın-Varol, Esin; Pütün, Ayşe Eren (Taylor & Francis Inc, 2014)In this study, optimization of essential parameters, such as reaction time, reaction temperature, methanol/oil molar ratio, catalyst amount, and type of biodiesel production via transesterification, were investigated. The ... -
Optimization of biodiesel production from castor oil using factorial design
Kılıç, Murat; Uzun, Başak Burcu; Pütün, Ersan; Pütün, Ayşe Eren (Elsevier Science BV, 2013)In this study, optimization of biodiesel production from castor oil using full factorial design was investigated. The biodiesel production was carried out in a batch laboratory scale reactor by alkaline-catalyzed ... -
Pyrolysis kinetics of walnut shell and waste polyolefins using thermogravimetric analysis
Uzun, Başak Burcu; Yaman, Elif (Elsevier Sci LTD, 2017)Co-pyrolytic behavior and kinetics of walnut shell (WS), polypropylene (PP), low density polyethylene (LDPE) and their blends were investigated using a thermogravimetric analyzer. WS and plastic samples were blended weight ... -
Rapid and catalytic pyrolysis of corn stalks
Uzun, Başak Burcu; Sarıoğlu, Nuri (Elsevier Science BV, 2009)Non-catalytic and catalytic rapid pyrolysis of corn stalks was studied in a tubular fixed-bed reactor. The optimum operating conditions giving the highest liquid yield was determined as pyrolysis temperature of 500 degrees ... -
Rapid and slow pyrolysis of pistachio shell: Effect of pyrolysis conditions on the product yields and characterization of the liquid product
Pütün, Ayşe Eren; Özbay Nurgül; Varol, Esin Apaydın; Uzun, Başak Burcu; Ateş, Funda (John Wiley & Sons LTD, 2007)This study reports the experimental results for the pyrolysis of pistachio shell under different conditions in a tubular reactor under a nitrogen flow. For the different conditions of pyrolysis temperature, nitrogen flow ...