Erişim şekli için "info:eu-repo/semantics/closedAccess" Makale Koleksiyonu listeleme
Toplam kayıt 158, listelenen: 1-20
-
Adsorption of heavy metal ions from aqueous solutions by bio-char, a by-product of pyrolysis
(Elsevier Science BV, 2013)Bio-char, a by-product of almond shell pyrolysis, was used as an alternative adsorbent precursor for the removal of heavy metal ions from aqueous solutions. The adsorption potential of almond shell bio-char for Ni(II) and ... -
Adsorption of lead(II) ions from aqueous solutions by activated carbon prepared from biomass plant material of Euphorbia rigida
(Elsevier Science Sa, 2007)Adsorption of lead(II) ions onto activated carbon prepared from renewable plant material, which is Euphorbia rigida, was investigated with the variation in the parameters of pH, contact time, the amounts of adsorbent, ... -
Adsorptive removal of phenol from aqueous solutions on activated carbon prepared from tobacco residues: Equilibrium, kinetics and thermodynamics
(Elsevier Science BV, 2011)This study consists of producing high surface area activated carbon from tobacco residues by chemical activation and its behavior of phenol removal from aqueous solutions. K(2)CO(3) and KOH were used as chemical activation ... -
Alkali catalyzed transesterification of cottonseed oil by microwave irradiation
(Elsevier Sci LTD, 2007)In this work microwave assisted transesterification of cottonseed oil was carried out in the presence of methanol and potassium hydroxide (KOH). Parametric studies were done to investigate the optimum conditions (catalyst ... -
Antioxidant activity and phenolic composition of sumac (Rhus coriaria L.) extracts
(Elsevier Sci LTD, 2007)Antioxidant activity and phenolic compounds of sumac extracts were investigated. Sumac was extracted in methanol and subjected to solvent-solvent partitioning to yield two fractions as ethyl acetate and aqueous. Methanol ... -
Antioxidant and free radical scavenging activities of Rhus coriaria and Cinnamomum cassia extracts
(Akademiai Kiado, 2003)Antioxidant and free radical scavenging activities of the extracts of sumac (Rhus coriaria) fruits and cassia. (Cinnamomum cassia) cortex were studied. Plant samples were extracted with methanol:water (80:20) and an aliquot ... -
Antioxidants from laurel (Laurus nobilis L.) berries: influence of extraction procedure on yield and antioxidant activity of extracts
(Akademiai Kiado, 2007)The antioxidant activities of laurel (Laurus nobilis L.) berries extracts were evaluated using a DPPH assay, a beta-carotene/linoleic acid assay and the Rancimat method. Pericarp and kernel of berries were extracted by ... -
Bio-oil from olive oil industry wastes: Pyrolysis of olive residue under different conditions
(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 from an oilseed by-product: Fixed-bed pyrolysis of olive cake
(Taylor & Francis Inc, 2007)A study of pyrolysis of olive cake at the temperature range from 400 degrees C to 700 degrees C has been carried out. The experiments were performed in a laboratory scale tubular reactor under nitrogen atmosphere. The ... -
Bio-oil production from Onopordum acanthium L. by slow pyrolysis
(Elsevier Science BV, 2011)In this study, the usability of the plant thistle, Onopordum acanthium L., belonging to the family Asteraceae (Compositae), in liquid fuel production has been investigated. The experiments were performed in a fixed-bed ... -
Bio-oil production from pyrolysis and steam pyrolysis of soybean-cake: product yields and composition
(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 via co-pyrolysis of almond shell as biomass and high density polyethylene
(Pergamon-Elsevier Science LTD, 2014)Biomass from almond shell (aS) was co-pyrolyzed with high density polyethylene (HDPE) polymer to investigate the synergistic effects on the product yields and compositions. The pyrolysis temperature was selected as 500 C, ... -
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 ... -
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 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 ...