Effect of process parameters on supercritical liquefaction of Xanthium strumarium for bio-oil production

Genel, Yaşar; Durak, Halil; Aysu, Tevfik; Genel, İlyas

doi:10.1016/j.supflu.2016.04.009

Cited by 15 publications

(8 citation statements)

References 39 publications

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“…During biomass gasification in supercritical water, many intermediates are produced, including carbohydrates, phenols, furfurals, acids, alcohols, and aldehydes. Based on the characterization analysis using the gas chromatography-mass spectrometer (GC-MS) and the Fourier transform-infrared (FT-IR) spectrometer, Durak (2015;2018) and Genel et al (2016) confirmed that the above-mentioned organics were detected in the liquid products of the biomass thermochemical conversion. Studies on the typical decomposition of intermediates are among the most effective technical routes for determining the biomass conversion mechanisms in supercritical water.…”

Section: Introductionmentioning

confidence: 94%

Ethanol decomposition in supercritical water: An operating parametric experimental and kinetic study

Zhao

Yang

Zhou

et al. 2020

BioRes

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Ethanol is an intermediate of the supercritical water decomposition of lignocellulosic biomass or biomass-derived compounds. In this study, experiments on ethanol decomposition in supercritical water were performed at different reaction temperatures (500 °C to 600 °C), residence times (6 s to 12 s), and initial ethanol concentrations (0.05 mol·L-1 to 0.20 mol·L-1). Temperature had larger impacts on the ethanol conversion than the other factors. Higher temperatures and feedstock concentrations facilitated gas production. In addition, the higher temperature promoted the scissions of C-C and C-O bonds of ethanol. However, longer residence times did not improve the yields of H2, CO, and C2. Because the H2-to-CO2 ratio was much greater than 1, the water-gas shift reaction was not the dominant route during the ethanol conversion process. Further, the mechanism and kinetic model of ethanol supercritical water decomposition were proposed. The kinetics revealed that ethanol gasification in supercritical water was mainly dominated by ethanol dehydrogenation, the hydrogenation of intermediates, and the coke formations of CO and CH4. In addition, H2 was mainly formed via ethanol dehydrogenation and consumed via the hydrogenation of intermediates. The rate of coke formation was relatively low during ethanol decomposition.

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Section: Introductionmentioning

confidence: 94%

Ethanol decomposition in supercritical water: An operating parametric experimental and kinetic study

Zhao

Yang

Zhou

et al. 2020

BioRes

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“…A high potential route relies on the use of heterogeneous catalysts in SC organic solvents. For instance, the presence of a catalyst in a SC medium is capable of driving the liquefaction of biomass into bio‐oils with a higher energy value or lead to the selective formation of chemicals of interest …”

Section: Figurementioning

confidence: 99%

The Pivotal Role of Catalysis in France: Selected Examples of Recent Advances and Future Prospects.

et al. 2017

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“…Increasing population growth and demands for fuels encounter the humans being with significant challenges. About 86.7% of the basic energy in the world is obtained by fossil fuels (Genel et al, 2016). Therefore, the damage caused by fossil fuels is of concern.…”

Section: Introductionmentioning

confidence: 99%

“…Therefore, countries with rich ecological diversity play a significant role in the assessment of suitable plant species which cover these criteria. By replacing renewable energy sources with fossil fuels, a range of environmental damages such as erosion, landslide, and flood can be prevented besides the improvement of dam basins and increased biodiversity (Nagel et al, 2005;Wei-He and Jiang, 2010;Cheng-Jiang et al, 2012;Genel et al, 2016). Cocklebur is among plant species that can meet these criteria.…”

Section: Introductionmentioning

confidence: 99%

Pıtrak (Xanthium strumarium L.) Meyve Olgunluk Seviyesinin Meyve Yağ Asitlerinin Üzerinde Etkisinin Belirlenmesi

Zarifikhosroshahi

Ergün

2022

Osmaniye Korkut Ata Üniversitesi Fen Bilimleri Enstitüsü Dergisi

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Cocklebur is a very precious medicinal plant due to its biochemical contents with antioxidant, antimicrobial, and antioxidants. It can also be evaluated as a source of energy. Cocklebur seeds and seed oil is not edible and contains 67% more biomass than cotton. Therefore, it can be evaluated as a sustainable energy source. Recently, the use of cocklebur as biodiesel makes this plant a point of interest for researchers. However, more studies are needed for evaluating factors that affect the quality of this kind of oil for the desired application. The fatty acid profile of matured and immature oil of cocklebur whole fruits including seeds from Osmaniye province in Turkey was investigated in this study. Although the main fatty acid in the immature sample was oleic acid with 50.17%, its amount (25.96%) decreased in mature sample oil converting linoleic acid which is the major fatty acid of cocklebur seed oil. Mature fruit oil had a higher amount of USFA (81.34%) than immature fruit oil (56.09%). These results showed that maturation status significantly affected the concentration and rates of fatty acids in studied Cocklebur. This study will help international researchers evaluate qualified seed oils for application in industry and biodiesel production.

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Effect of process parameters on supercritical liquefaction of Xanthium strumarium for bio-oil production

Cited by 15 publications

References 39 publications

Ethanol decomposition in supercritical water: An operating parametric experimental and kinetic study

Ethanol decomposition in supercritical water: An operating parametric experimental and kinetic study

The Pivotal Role of Catalysis in France: Selected Examples of Recent Advances and Future Prospects.

Pıtrak (Xanthium strumarium L.) Meyve Olgunluk Seviyesinin Meyve Yağ Asitlerinin Üzerinde Etkisinin Belirlenmesi

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