Başlık için Makale Koleksiyonu listeleme
Toplam kayıt 179, listelenen: 128-147
-
Preparation and surface characterization of activated carbons from Euphorbia rigida by chemical activation with ZnCl2, K2CO3, NaOH and H3PO4
(Elsevier Science BV, 2012)Preparation of activated carbons from Euphorbia rigida by chemical activation with different impregnation agents and ratios was studied. ZnCl2, K2CO3, NaOH and H3PO4 were used as chemical activation agents and four ... -
Pressurized pyrolysis of dried distillers grains with solubles and canola seed press cake in a fixed-bed reactor
(Elsevier Sci LTD, 2015)Pressurized pyrolysis of biomasses was carried in a fixed bed reactor to obtain gases, bio-oils and chars at elevated temperatures. The products were characterized by GC-MS, FTIR, viscometer, SEM, BET and EDXRFS methods. ... -
Production and characterization of pyrolysis liquids from sunflower-pressed bagasse
(Elsevier Sci LTD, 2002)Pyrolysis experiments on sunflower (Helianthus annus L.)-pressed bagasse were performed in a fixed-bed tubular reactor. The effects of nitrogen flow rate and final pyrolysis temperature on the pyrolysis product yields and ... -
Production and characterization of pyrolysis oils from Euphorbia macroclada
(Taylor & Francis Inc, 2004)In this work, Euphorbia macroclada were pyrolyzed in a laboratory-scale fixed bed reactor. The influence of final pyrolysis temperature, heating rate, and pyrolysis atmosphere on the product Yields was investigated. Pyrolysis ... -
The production and evaluation of bio-oils from the pyrolysis of sunflower-oil cake
(Pergamon-Elsevier Science LTD, 2002)Sunflower (Helianthus annus L.)-oil cake pyrolysis experiments were achieved in a fixed-bed tubular reactor. The effects of nitrogen flow rate and final pyrolysis temperature on the pyrolysis product yields and chemical ... -
Production of bio-oil from biomass: Slow pyrolysis of rapeseed (Brassica napus L.) in a fixed-bed reactor
(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 ... -
Production of biocrudes from biomass in a fixed-bed tubular reactor: product yields and compositions
(Elsevier Sci LTD, 2001)Fixed-bed pyrolysis in a tubular reactor were conducted on three biomass samples, Euphorbia rigida, sunflower (Helianthus annuus L.) pressed bagasse and hazelnut (Corylus avellana) shells, to determine the possibility of ... -
Products characterization study of a slow pyrolysis of biomass-plastic mixtures in a fixed-bed reactor
(Elsevier Science BV, 2014)In this study, co-pyrolysis of plastic wastes; polyvinyl chloride (PVC) and polyethylene terephthalate (PET) with different agricultural wastes such as cotton stalk, hazelnut shells, and sunflower residues near an arid ... -
Pyrolysis kinetics of walnut shell and waste polyolefins using thermogravimetric analysis
(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 ... -
Pyrolysis of hazelnut shells in a fixed-bed tubular reactor: yields and structural analysis of bio-oil
(Elsevier Science BV, 1999)Fixed-bed pyrolysis experiments have been conducted on a sample of hazelnut shells to determine the possibility of being a potential source of renewable fuels and chemical feedstocks. The effects of pyrolysis temperature ... -
Pyrolysis of Peach Pulp: Effect of Chemical Additives
(Taylor & Francis Inc, 2014)Peach pulp and impregnated sample have been investigated as an alternative feedstock to obtain fuels and chemicals. The effect of a series of operation variables was studied. The maximum oil was obtained as 23.24% at the ... -
Pyrolysis of walnut shell in a well-swept fixed-bed reactor
(Taylor & Francis Inc, 2004)Fixed-bed fast pyrolysis experiments have been conducted on a sample of walnut shell to particularly determine the effects of pyrolysis temperature, heating rate, particle size, and sweep gas flow rate on the pyrolysis ... -
A pyrolysis study for the thermal and kinetic characteristics of an agricultural waste with two different plastic wastes
(SAGE Publications LTD, 2014)In this study, thermochemical conversion of plastic wastes (PET and PVC) together with an agricultural waste (hazelnut shell) was investigated. In order to determine the thermal and kinetic behaviours, pyrolysis experiments ... -
Rapid and catalytic pyrolysis of corn stalks
(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
(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
(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 ... -
Reaction kinetics of the catalytic esterification of acrylic acid with propylene glycol
(Elsevier Science BV, 2009)The kinetics of esterification of acrylic acid with propylene glycol has been studied in the presence of Amberlyst-15 as a heterogeneous catalyst. The reaction was realized in a batch reactor at different temperatures and ... -
The regression analysis of fast pyrolysis product yields and determination of product quality
(Elsevier Sci LTD, 2012)The main objective of this study was to investigate the influence of pyrolysis parameters on product yields with experimental and to evaluate of results with the regression models. For this purpose; horn-beam sawdust was ... -
Removal of chromium from aqueous solutions and plating bath rinse by an electrochemical method
(1994)In this work, a bipolar packed bed electrolytic cell having steel Raschig rings behaving as electrodes has been used to remove chromium in the form of Cr(VI) from aqueous solutions and a sample of plating bath rinse. ... -
Removal of copper(II) and cadmium(II) ions from aqueous solutions by biosorption onto pine cone
(Iwa Publishing, 2012)In this study, the removal of copper(II) and cadmium(II) ions from aqueous solutions by biosorption onto pine cone was studied. Variables that affect the biosorption process such as pH, biosorbent dosage, initial metal ion ...