Yazar "Pütün, Ersan" için listeleme
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Assessment of the Effects of Hydrogen Pressure on Biomass Pyrolysis - a Study of Euphorbia-Rigida, Sunflower Oil, Industrial-Waste and Pure Cellulose
Pütün, Ersan; Koçkar, M; Gerçel, Hasan Ferdi; Brown, S; Andresen, J; Mcrae, C; Snape, Ce (Pergamon-Elsevier Science LTD, 1994)To assess the effects of mass transfer and hydrogen pressure on the oil yield and quality from cellulosic biomass, fixed-bed pyrolysis (atmospheric pressure) and hydropyrolysis experiments at temperatures between 400 and ... -
Ayçiçeği yağ endüstrisi yan ürününün alternatif enerji kaynağı olarak incelenmesi
Gerçel, Hasan Ferdi (Anadolu Üniversitesi, 1992)Dünyada genellikle fosil yakıtlara dayanan birincil enerji kaynaklarınının hızla tükenmesi, birçok araştırıcının alternatif enerji kaynaklarına yönelmesine neden olmaktadır. Bunların en önemlilerinden biri olan biyokütleden ... -
Azotlu ortamda biyokütlenin katalitik pirolizi
Ateş, Funda; Pütün, Ersan (2003)Bu çalışmada Euphorbia rigida biyokütle örneğinin sabit yataklı bir reaktörde, azot ortamında, doğal zeolit eşliğinde katalitik pirolizi gerçekleştirilmiştir. Değişik azot gazı akış hızlarında katalizör yüzdelerinin piroliz ... -
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 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, ... -
Bio-oil production from pyrolysis and steam pyrolysis of soybean-cake: product yields and composition
Pütün, Ayşe Eren; Apaydın, Elif; Pütün, Ersan (Pergamon-Elsevier Science LTD, 2002)The slow pyrolysis of soybean cake in a fixed-bed reactor was investigated under three different atmospheres: static, for determining the effects of pyrolysis temperature and particle size, nitrogen and steam. The liquid ... -
Bio-oil production from rapid pyrolysis of cottonseed cake: product yields and compositions
Özbay Nurgül; Pütün, Ayşe Eren; Pütün, Ersan (Wiley, 2006)Fixed-bed fast pyrolysis experiments have been conducted on a sample of cottonseed cake to determine the effects of pyrolysis temperature, heating rate and sweep gas flow rate on pyrolysis yields and chemical compositions ... -
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 ... -
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, ... -
Biyokütle ve linyit hızlı pirolizini etkileyen parametrelerin deney tasarım yöntemi le optimizasyonu ve elde edilen ürünlerin karakterizasyonu
Değirmen, Görkem (Anadolu Üniversitesi, 2012)Bu çalışmada; hammadde olarak çam talaşı, nohut samanı atıkları ile linyit seçilmiş ve sabit yataklı borusal reaktörde hızlı pirolizi gerçekleştirilmiştir. Hızlı pirolizi etkileyen sıcaklık, azot akış hızı, ısıtma hızı ... -
Catalytic pyrolysis of biomass in inert and steam atmospheres
Pütün, Ersan; Ateş, Funda; Pütün, Ayşe Eren (Elsevier Sci LTD, 2008)The objective of this study was to investigate thermal conversion of a perennial shrub, Euphorbia rigida biomass sample with catalyst in inert (N-2) and steam atmospheres. Experimental studies were conducted in a well swept ... -
Catalytic pyrolysis of biomass: Effects of pyrolysis temperature, sweeping gas flow rate and MgO catalyst
Pütün, Ersan (Pergamon-Elsevier Science LTD, 2010)Cotton seed, as a biomass source, is pyrolysed in a tubular fixed-bed reactor under various sweeping gas (N(2)) flow rates at different pyrolysis temperatures. In the non-catalytic work, the maximum bio-oil yield was ... -
Catalytic Pyrolysis of Biomass: Yields and Characterization of the Products
Ateş, Funda; Pütün, Ayşe Fren; Pütün, Ersan (Amer Soc Mechanical Engineers, 2009)Terpene hydrocarbons are high energy capacity hydrocarbons. The most known terpenoid biomass is Euphorbiaccae family. Euphorbia rigida, a member of Euphorbiaccae, was used as the biomass feedsock and natural zeolite was ... -
Catalytic pyrolysis of perennial shrub, Euphorbia rigida in the water vapour atmosphere
Ateş, Funda; Pütün, Ayşe Eren; Pütün, Ersan (Elsevier Science BV, 2005)In this study, the perennial shrub Euphorbia rigida, was used as biomass sample for catalytic pyrolysis using Co-Mo commercial catalyst (Criterion-534) in the water vapour atmosphere. Experimental studies were conducted ... -
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 ... -
Comparative studies on adsorptive removal of heavy metal ions by biosorbent, bio-char and activated carbon obtained from low cost agro-residue
Kırbıyık, Cisem; Pütün, Ayşe Eren; Pütün, Ersan (Iwa Publishing, 2016)In this study, Fe(III) and Cr(III) metal ion adsorption processes were carried out with three adsorbents in batch experiments and their adsorption performance was compared. These adsorbents were sesame stalk without ... -
Composition of products obtained via fast pyrolysis of olive-oil residue: Effect of pyrolysis temperature
Uzun, Başak Burcu; Pütün, Ayşe Eren; Pütün, Ersan (Elsevier Science BV, 2007)As an essential thermochemical process, pyrolysis is mainly dependent on temperature. Temperature affects mostly product distribution and composition. In this study, compositional analysis of the products obtained by thermal ... -
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 ... -
Doğal boyamacılık ve ısatis tinctoria bitkisinin doğal boyarmaddeleri
Çırak, Yüksel (Anadolu Üniversitesi, 1991)Bu çalışmada, Temmuz 1988'de Eskişehir Anadolu Üniversitesi Yunus Emre Kampüsü'nde toplanan Isatis tinctoria bitkisi flavonoid bileşik- leri açısından incelenmiştir. Kurutulup toz haline getirilmiş bitki sokslet apareyinde ... -
Effect of electrolytes on sanitaryware slip
Özel, Emel; Ay, Nuran; Pütün, Ersan (Amer Ceramic Soc, 1999)Slip viscosity is used widely in controlling ceramic casting slip. The viscosity of slip changes with the amount and type of electrolyte.
