Başlık için Kimya Mühendisliği Bölümü listeleme
Toplam kayıt 233, listelenen: 21-40
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Biodiesel production from castor oil by transesterification reaction and investigation of the fuel properties
(2010)Biodiesel production from castor oil was performed by alcoholysis reaction with methyl alcohols. Among the alkali catalysts, KOH gave the best yield and conversion in microwave heated reaction. The optimum conditions for ... -
Biodiesel production from waste frying oils: Optimization of reaction parameters and determination of fuel properties
(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, ... -
Biomass to bio-oil via fast pyrolysis of cotton straw and stalk
(Taylor & Francis Inc, 2002)Cotton straw and stalk were thermo-chemically processed by fast pyrolysis under different conditions in a fixed tubular reactor. Fast pyrolysis studies were carried out under sweeping gas atmosphere in two groups. The ... -
Biooil production from an oilseed crop: Fixed-bed pyrolysis of rapeseed (Brassica napus L.)
(Taylor & Francis Inc, 2000)Fixed-bed pyrolysis experiments at differ ent temperatures and heating rates have been conducted on a rapeseed sample to investigate the effect of particle size and sweep gas velocity on the product yields. The various ... -
Biosorption Behaviour of an Arid Land Plant, Euphorbia rigida, Towards to Heavy Metals: Equilibrium, Kinetic and Thermodynamic Studies
(2017)T he potential of an arid-land plant, Euphorbia rigida (E. rigida), for the removal of heavy metals [Pb(II), Zn(II), Cu(II), Cd(II), Ni(II)] from aqueous solutions was studied in the current work. Batch sorption experiments ... -
$Ca(OH)_2$ süspansiyonları ile $SO_2$ gideriminde bazı katkı maddelerinin etkisi
(2006)Bu çalışmada, S02 kabarcıklı bir kolon reaktörde %6,6 Ca(OH)2 süspansiyonları ile hava içerisinde 10000 ppm SO2 içerecek şekilde hazırlanan ve akış hızı 25 L/dak olan atık model gazdan absorplanmıştır. SO2 giderimindeki ... -
Catalytic Esterification and Transesterification Reaction of High Acidic Value Waste Oil by Microwave Heating
(Wiley, 2015)In this study, biodiesel production from waste cooking oil was investigated. Esterification and transesterification reactions were carried out under microwave irradiation using heterogeneous (Amberlyst-15) and homogeneous ... -
Catalytic Pyrolysis of Biomass: Yields and Characterization of the Products
(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
(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 ... -
Catalytic pyrolysis of waste furniture sawdust for bio-oil production
(SAGE Publications LTD, 2014)In this study, the catalytic pyrolysis of waste furniture sawdust in the presence of ZSM-5, H-Y and MCM-41 (10 wt % of the biomass sample) was carried out in order to increase the quality of the liquid product at the various ... -
Catalytic upgrading of pyrolysis vapours: Effect of catalyst support and metal type on phenolic content of bio-oil
(Elsevier Sci LTD, 2018)Bio-oil from low-cost and renewable lignocellulosic biomass is a complex mixture of organic compounds and water. It is necessary to selectively control the biomass pyrolysis pathways to obtain specific bio-oils rich in ... -
Characterization of bio-oil obtained from fruit pulp pyrolysis
(Elsevier Ltd, 2008)Apricot pulps was pyrolyzed 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 composition ... -
Characterization of Chars from Steam Pyrolysis of Apricot Pulp
(Taylor & Francis Inc, 2011)The characterization of apricot pulp char obtained from steam pyrolysis was studied. The char was prepared by pyrolyzing apricot pulp temperatures ranging from 300 to 700 degrees C under steam atmospheres. The chemical ... -
Characterization of slow pyrolysis oil obtained from linseed (Linum usitatissimum L.)
(Elsevier Science BV, 2009)This study presents the characterization of pyrolysis oil obtained from linseed (Linum usitatissimum L.) produced by slow pyrolysis in the maximum yield. The pyrolysis oil was analyzed to determine its elemental composition ... -
Characterization of the pyrolysis oil produced in the slow pyrolysis of sunflower-extracted bagasse
(Pergamon-Elsevier Science LTD, 2001)Sunflower (Helianthus annus L.)-extracted bagasse pyrolysis experiments were performed in a fixed-bed reactor. The effects of heating rate, final pyrolysis temperature, particle size and pyrolysis atmosphere on the pyrolysis ... -
Chemical composition and oxidative stability of flax, safflower and poppy seed and seed oils
(Elsevier Sci LTD, 2008)Three seeds of Turkish origin, flax, poppy and safflower were analyzed for their proximate, fatty acids, tocols (tocopherols and tocotrienols) and total phenolic composition, and oxidative stability of their oil. The major ... -
Chemically activated carbon production from agricultural waste of chickpea and its application for heavy metal adsorption: equilibrium, kinetic, and thermodynamic studies
(Springer Heidelberg, 2019)The purpose of this study was to produce activated carbons (ACs) from chickpea (Cicer arietinum) husks by chemical activation (KOH and K2CO3) and to examine their feasibility in removing heavy metals from aqueous solutions. ... -
Co-pyrolysis characteristics and kinetics of plastic waste with biomass waste
(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 ... -
Co-pyrolysis of oil shale and biomass
(Nis University, 2011)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 °C with a heating rate of 10 °C min-1 in the presence of ... -
Co-pyrolytic behaviors of biomass and polystyrene: Kinetics, thermodynamics and evolved gas analysis
(Korean Institute Chemical Engineers, 2018)The pyrolytic degradation mechanism of chestnut shell (CNS) and its blend with waste polystyrene (PS) were investigated. Individual pyrolysis behavior of samples obtained separately was compared with those of the blends ...