Yazar "Pütün, Ayşe Eren" için Makale Koleksiyonu listeleme
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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 ... -
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 ... -
Fast pyrolysis of sesame stalk: yields and structural analysis of bio-oil
Ateş, Funda; Pütün, Ersan; Pütün, Ayşe Eren (Elsevier Science BV, 2004)Sesame stalk pyrolysis experiments were conducted in a fixed-bed reactor in an attempt to determine the effects of pyrolysis temperature, particle size, heating rate and sweeping gas (N-2) flow rate on the product yields ... -
Fixed-bed catalytic pyrolysis of cotton-seed cake: Effects of pyrolysis temperature, natural zeolite content and sweeping gas flow rate
Pütün, Ersan; Uzun, Başak Burcu; Pütün, Ayşe Eren (Elsevier Sci LTD, 2006)Catalyzed pyrolysis of cotton-seed cake was studied under different experimental conditions. Variables investigated were pyrolysis temperature, zeolite content and sweeping gas flow rate. Experiments were carried out ... -
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 of two different biomass samples in a fixed-bed reactor combined with two different catalysts
Ateş, Funda; Pütün, Ayşe Eren; Pütün, Ersan (Elsevier Sci LTD, 2006)Pyrolysis of Euphorbia rigida and sesame stalk biomass samples with two selected commercial catalyst, namely DHC-32 and HC-K 1.3Q, have been conducted in a fixed-bed reactor. The effect of different catalysts and their ... -
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 ... -
Slow pyrolysis of pistachio shell
Apaydın Varol, Esin; Pütün, Ersan; Pütün, Ayşe Eren (Elsevier Sci LTD, 2007)In this study, pistachio shell is taken as the biomass sample to investigate the effects of pyrolysis temperature on the product yields and composition when slow pyrolysis is applied in a fixed-bed reactor at atmospheric ...