Yazar "Onay, Özlem" için listeleme
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Aspir Tohumunun Sabit Yatak Yavaş Pirolizi
Beis, Sedat H.; Onay, Özlem; Koçkar, Ö. Mete (Anadolu Üniversitesi, 2001)Bu çalışmada, aspir (carthamus tinctorius L.) yağlı tohumunun sabit yatak reaktörde yavaş pirolizi gerçekleştirilmiş, özellikle piroliz ürünlerinin verimleri üzerine piroliz sıcaklığı, ısıtma hızı, parçacık boyutunun etkisi ... -
The Catalytic Co-pyrolysis of Waste Tires and Pistachio Seeds
Onay, Özlem (Taylor & Francis Inc, 2014)The pyrolytic oil produced from waste tire and non-food related biomass can be used both as an energy source and feedstock for chemical production. In the present work, the pyrolysis of waste tire and pistachio seed and ... -
Characterization of pyrolytic oil obtained from pyrolysis of TDF (Tire Derived Fuel)
Banar, Müfide; Akyıldız, Vildan; Özkan, Aysun; Günkaya, Zerrin; Onay, Özlem (Pergamon-Elsevier Science LTD, 2012)In recent years, waste utilization before disposing to the land is the most important point about waste management. Due to the increasing emphasis on recycling, related to the two European Commission Directives (EC End of ... -
Comparison of the generation of oil by the extraction and the hydropyrolysis of biomass
Onay, Özlem; Gaines, AF; Koçkar, Ömer Mete; Adams, M; Tyagi, TR; Snape, CE (Elsevier Sci LTD, 2006)This paper discusses the maximisation of the yields of useful bio-oils generated from seeds and nut-shells both by extraction and by hydropyrolysis. The formation and the composition of the bio-oils are also discussed. ... -
Copyrolysis of seyitomer-lignite and safflower seed: Influence of the blending ratio and pyrolysis temperature on product yields and oil characterization
Onay, Özlem; Bayram, Evren; Koçkar, Ömer Mete (American Chemical Society, 2007)Pyrolytic behaviors of biomass/coal mixtures were investigated under a heating rate of 7 degrees C min(-1), over a range of pyrolysis temperatures between 400 and 700 degrees C, and the blending ratio of coal in mixtures ... -
Determination of synergetic effect in co-pyrolysis of lignite and waste tyre
Onay, Özlem; Koca, Hüseyin (Elsevier Sci LTD, 2015)An attempt was made to investigate potential synergistic activities between waste tyre and lignite during co-pyrolysis. The parameters such as blending ratios of waste tyre and lignite, final pyrolysis temperature, heating ... -
The effect of mixing ratio on co-pyrolysis of lignite and rapeseed
Onay, Özlem; Usta, Çağla; Koçkar, Ömer Mete (Acta Press Anaheim, 2007)The biomass and coal mixtures were subjected to fast pyrolysis process to produce biooil. The biooil yield was in the range of I 1.573.1 wt%. depending on the percentage of biomass and coal in the mixture. On the other ... -
Effects of Catalyst on Pyrolysis of Laurel (Laurus Nobilis L.) Seed in a Fixed Bed Tubular Reactor
Onay, Özlem (Aidic Servizi Srl, 2014)In this study, the daphne seed (Laurus nobilis L.) was used as biomass sample for catalytic pyrolysis using (Ni/Al2O3) commercial catalyst (Criterion-454) in the nitrogen atmosphere. Experimental studies were conducted in ... -
Evaluation of solid product obtained from tire-derived fuel (TDF) pyrolysis as carbon black
Banar, Müfide; Özkan, Aysun; Akyıldız, Vildan; Günkaya, Zerrin; Onay, Özlem (Springer, 2015)The main focus of this study was quality improvement of solid product obtained from tire-derived fuel (TDF) pyrolysis to use it as a substitute for commercial carbon blacks. First of all, TDF samples were analyzed by means ... -
Fast and catalytic pyrolysis of pistacia khinjuk seed in a well-swept fixed bed reactor
Onay, Özlem (Elsevier Sci LTD, 2007)The pyrolysis of pistacia, khinjuk seed was investigated with the aim to study the product distribution and their chemical compositions and to identify optimum process conditions for maximizing the bio-oil yield. Fast and ... -
Fast pyrolysis of rape seed in a well-swept fixed-bed reactor
Onay, Özlem; Beis, Sedat Hakkı; Koçkar, Ömer Mete (Elsevier Science BV, 2001)Fixed-bed fast pyrolysis experiments have been conducted on a sample of rape seed to determine particularly the effects of pyrolysis temperature, particle size, heating rate and sweep gas flow rate on the pyrolysis yields ... -
Fast Pyrolysis of Safflower Seed in the Presence of Catalyst
Onay, Özlem; Koçkar, Ömer Mete (Amer Soc Mechanical Engineers, 2009)In this study, the safflower seed (Carthamus tinctorius L.) was used as biomass sample for catalytic pyrolysis using commercial catalyst (Criterion-454) in the nitrogen atmosphere. Experimental studies were conducted in a ... -
Fixed-bed pyrolysis of rapeseed (Brassica napus L.)
Onay, Özlem; Koçkar, Ömer Mete (Pergamon-Elsevier Science LTD, 2004)Fixed-bed slow and fast pyrolysis experiments have been conducted on a sample of rapeseed. The experiments were performed in two different pyrolysis reactors, namely a fixed-bed Heinze and a well-swept fixed-bed tubular ... -
Fındık kabuklarından hızlı piroliz yöntemiyle sentetik sıvı yakıt eldesi
Onay, Özlem; Koçkar, Ömer Mete (1998)Bu çalışmada, fındık kabuklarının sabit yataklı borusal reaktörde farklı piroliz koşullarında hızlı pirolizi gerçekleştirilmiştir. Hızlı piroliz çalışmaları, borusal reaktörde sürükleyici gaz ortamında iki farklı grupta ... -
Influence of pyrolysis temperature and heating rate on the production of bio-oil and char from safflower seed by pyrolysis, using a well-swept fixed-bed reactor
Onay, Özlem (Elsevier Science BV, 2007)In this study, fast pyrolysis of safflower seed (Carthamus tinctorius L.) was investigated with the aim to study the product distribution and their chemical compositions and to identify optimum process conditions for ... -
Kolza yağlı tohumunun yavaş, hızlı ve hidrojen pirolizi
Onay, Özlem (Anadolu Üniversitesi, 2001)Bu çalışmada, kolza (Brassica napus) yağlı tohumlarının farklı koşullarda pirolizi gerçekleştirilmiştir. Deneyler dört farklı reaktörde, yavaş, hızlı, ani ve hidrojen piroliz koşullarında yürütülmüş, piroliz sıcaklığı, ... -
Production of bio-oil from biomass: Slow pyrolysis of rapeseed (Brassica napus L.) in a fixed-bed reactor
Onay, Özlem; Koçkar, Ömer Mete (Taylor & Francis Inc, 2003)Rapeseed (Brassica napus L.) pyrolysis experiments were performed in a fixed-bed reactor The effects of heating rate, final pyrolysis temperature, particle size, and pyrolysis atmosphere on pyrolysis product Yields and ... -
Pyrolysis of rapeseed in a free fall reactor for production of bio-oil
Onay, Özlem; Koçkar, Ömer Mete (Elsevier Sci LTD, 2006)Pyrolysis experiments of rapeseed (Brassica napus L.) were performed in a free fall reactor at atmospheric pressure under nitrogen atmosphere. The effects of final pyrolysis temperature, particle size and sweep gas flow ... -
Slow, fast and flash pyrolysis of rapeseed
Onay, Özlem; Koçkar, Ömer Mete (Pergamon-Elsevier Science LTD, 2003)Pyrolysis experiments have been conducted on a sample of rapeseed to determine particularly the effects of pyrolysis temperature, heating rate, particle size and sweep gas flow rate on the pyrolysis product yields and their ... -
Upgradıng of Lıgnıtes By Fast Pyrolysıs and Hıgh Densıty Dry Magnetıc Seperatıon
Onay, Özlem; Tunçbilek, Esra; Öz, Derya Aksoy (2015)Bu çalışmada, Çayırhan bölgesi linyitlerinin önce hızlı pirolizi, ardından elde edilen katı ürünün yüksek yoğunluklu kuru manyetik (HIDM) ayırma ile zenginleştirilerek, sıvı ve katı yakıt eldesi amaçlanmıştır. Hızlı piroliz ...
