Yazar "Uzun, Başak Burcu" için listeleme
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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 ... -
Production of bio-fuels from cottonseed cake by catalytic pyrolysis under steam atmosphere
Pütün, Ersan; Uzun, Başak Burcu; Pütün, Ayşe Eren (Pergamon-Elsevier Science LTD, 2006)The purpose of this study is to evaluate the amounts of catalytic pyrolysis products of cottonseed cake in steam atmosphere and investigate the effects of both zeolite and steam on pyrolysis yields. The effect of steam was ... -
Pyrolysis and Catalytic Upgrading of Lignocellulosic Biomass Using Metal Loaded Zsm-5 Zeolite
Saraçoğlu, Elif; Apaydın-Varol, Esin; Uzun, Başak Burcu (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 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 ... -
Rapid pyrolysis of olive residue. 1. Effect of heat and mass transfer limitations on product yields and bio-oil compositions
Uzun, Başak Burcu; Pütün, Ayşe Eren; Pütün, Ersan (American Chemical Society, 2007)In this study, the aim was to obtain high bio-oil yields in a fixed bed tubular reactor at various pyrolysis temperatures, reaction times, sweeping gas velocities, particle sizes, and heating rates. In order to improve ... -
Rapid Pyrolysis of Olive Residue. 2. Effect of Catalytic Upgrading of Pyrolysis Vapors in a Two-Stage Fixed-Bed Reactor
Pütün, Ersan; Uzun, Başak Burcu; Pütün, Ayşe Eren (American Chemical Society, 2009)The upgrading of the rapid pyrolysis vapors was performed using various catalysts (clinoptilolite (a natural zeolite, NZ), ZSM-5, H-Y) with catalyst/feed ratios of 0.05, 0.1, 0.15, 0.20, and 0.25 in the catalyst bed ... -
Steam pyrolysis of an industrial waste for bio-oil production
Önal, Eylem; Uzun, Başak Burcu; Pütün, Ayşe Eren (Elsevier Science BV, 2011)Potato skin, a food industry waste, was pyrolysed under three different atmospheres namely static, nitrogen, and steam to produce bio-oil and its derivatives. The oil yield obtained at 550 degrees C was 24.77% in static ... -
Synthetic fuel production from cottonseed: Fast pyrolysis and a TGA/FT-IR/MS study
Apaydın Varol, Esin; Uzun, Başak Burcu; Önal, Eylem; Pütün, Ayşe Eren (Elsevier, 2014)This study investigates the thermal decomposition behavior of cottonseed via TGA/FT-IR/MS and the quantification/characterization of liquid products from fast pyrolysis. Thermal degradation of the biomass sample has occurred ... -
Synthetic fuel production from tea waste: Characterisation of bio-oil and bio-char
Uzun, Başak Burcu; Apaydın-Varol, Esin; Ateş, Funda; Özbay Nurgül; Pütün, Ayşe Eren (Elsevier Sci LTD, 2010)The pyrolysis of tea waste was studied for determining the main characteristics and quantities of liquid and solid products. Particular investigated process variables were temperature (673-973 K), heating rate (5-700 K min ... -
Thermogravimetric characteristics and kinetics of scrap tyre and Juglans regia shell co-pyrolysis
Uzun, Başak Burcu; Yaman, Elif (SAGE Publications LTD, 2014)The degradation kinetics of Juglans regia shell, scrap tyre and their blends were investigated using a thermogravimetric analysis method. Experiments were performed under dynamic conditions and a nitrogen atmosphere in the ... -
Upgrading of fast pyrolysis bio-oil over Fe modified ZSM-5 catalyst to enhance the formation of phenolic compounds
Saraçoğlu, Elif; Uzun, Başak Burcu; Apaydın-Varol, Esin (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 ...