Başlık için Kimya Mühendisliği Bölümü listeleme
Toplam kayıt 233, listelenen: 1-20
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Accelerated Solvent Extraction of Flavan-3-OL Derivatives from Grape Seeds
(Karger, 2014)Accelerated Solvent Extraction of flavan-3-ols from grape seed was carried out to determine the effect of extraction conditions (solvent type, temperature, extraction time, particle size, and cycle number) at the constant ... -
Acetalization of pure and biodiesel by-product glycerol with butyraldehyde
(2010)Biodiesel synthesis by transesterification reaction of oils and fats with methanol is an attractive alternative for petroleum based fuels. Glycerol is obtained as by-product from transesterification reaction and its amount ... -
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 ... -
Azotlu ortamda biyokütlenin katalitik pirolizi
(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 ... -
Bazı Soya Hat ve Çeşitlerinde Tohum Verimi, Yağ-Protein ve Yağ Asitleri İçerikleri ve Aralarındaki İlişkilerinin Belirlenmesi
(2012)Bu çalışmada bazı soya (Glycine max L.) hat ve çeşitlerinde tane verimi, protein, yağ ve yağ asitleri içeriklerinin tespiti yapılarak aralarındaki ilişkiler araştırılmıştır. Batı Akdeniz Tarımsal Araştırma Enstitüsü ... -
Beneficial-Effects of Hydrogen Pressure in the Pyrolysis of Biomass - a Study of Euphorbia-Rigida
(Elsevier Science BV, 1993)Fixed-bed pyrolysis and hydropyrolysis experiments at different temperatures and pressures have been conducted on a sample of Euphorbia Rigida extracted with n-hexane and methanol to remove low molecular mass terpenoids ... -
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 by fast pyrolysis of olive residue: Effect of pyrolysis temperature and heating rate
(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 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, ... -
Biochar for climate change mitigation: Tracing the in-situ priming effect on a forest site
(Elsevier Science BV, 2015)A significant amount of Carbon (C) on global soils consists of black carbon or charred organic matter. Biochar amendment in soils is therefore seen as a potential geoengineering method for climate change mitigation and ... -
Biocrude from biomass: pyrolysis of cottonseed cake
(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 ...
