kinetics and thermodynamics of oil extraction from groundnut curcas

kinetics and thermodynamics of oil extraction from jatropha ...

Kinetics and Thermodynamics of Oil Extraction from Jatropha ...

In the study the yield and kinetic and thermodynamic parameters of the oil extraction process from<i> Jatropha curcas</i> L. using ethanol as a solvent were evaluated for different temperatures, moisture contents of the solid phase, and particle sizes. The extraction process yield increased with contact time of solid particles with the solvent until reaching equilibrium (saturation of the ...

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kinetics and thermodynamics of oil extraction from jatropha ...

Kinetics and Thermodynamics of Oil Extraction from Jatropha ...

Key words: kinetics, thermodynamics, oil extraction, Jatropha curcas. 1. Introduction Jatropha is a genus of over 170 plants from the Euphorbiaceae family, native to the Central America but commonly found and utilized across most of the tropical and subtropical regions of the world. It has a yield per hectare of more than four

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kinetics and thermodynamics of oil extraction from ...

Kinetics and Thermodynamics of Oil Extraction from ...

Kinetics and Thermodynamics of Oil Extraction from Jatropha curcas L. Using Ethanol as a Solvent Article (PDF Available) in International Journal of Chemical Engineering 2015(3):1-9 · December ...

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research article kinetics and thermodynamics of oil ...

Research Article Kinetics and Thermodynamics of Oil ...

Kinetics and Thermodynamics of Oil Extraction from Jatropha curcas L. Using Ethanol as a Solvent SilmaraBispodosSantos, 1 MarcioArêdesMartins, 2 AnaLíviaCaneschi, 3 PauloRafaelMoretteAguilar, 4 andJaneSéliadosReisCoimbra 5 Mechanical Engineering Department, Universidade Federal de Mato Grosso (UFMT), Rodovia MT-, Km , s/n, Campus Rondon ...

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oil extraction from castor cake using ethanol: kinetics ...

Oil Extraction from Castor Cake Using Ethanol: Kinetics ...

In this study, the kinetics and thermodynamics of oil extraction from castor cake using ethanol were investigated. Castor cake had a total oil content of 14.78 ± 0.12% in mass and the average ...

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table 2 | kinetics and thermodynamics of oil extraction from ...

Table 2 | Kinetics and Thermodynamics of Oil Extraction from ...

Table 2: Kinetics and Thermodynamics of Oil Extraction from Jatropha curcas L. Using Ethanol as a Solvent

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the kinetics and thermodynamics of hempseed oil extraction by ...

The kinetics and thermodynamics of hempseed oil extraction by ...

The same model has been previously applied for describing the kinetics of oil extraction from sunflower (Patricelli et al., 1979) and canola (So and Macdonald, 1986) seeds, as well as the kinetics of maceration and ultrasound-extraction of resinoid from the aerial parts of white lady's bedstraw, garden sage and glutinous sage (Milić et al., 2013).

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extraction of seed oil: kinetics and thermodynamic studies m ...

EXTRACTION OF SEED OIL: KINETICS AND THERMODYNAMIC STUDIES M ...

The optimum parameters for the oil extraction from a 500 microns particle size were found to be 17.5 ml/g volume of solvent to mass ratio, extraction temperature and time were 343.15 K and 180 minutes respectively. The extraction kinetics was found to obey the fifth order with an activation energy, E a, of 41.11 kJ/mol. The

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kinetics and thermodynamics of oil extraction from ...

Kinetics and Thermodynamics of Oil Extraction from ...

Jatropha oil curcas (JOC) extraction was performed in aqueous HCl, H 2 SO 4 , and H 3 PO 4 solutions with n– hexane (C 6 H 14) at 30, 40, 50, and 60 °C using 10 gm of Jatropha seeds over 1 ...

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oil extraction from castor cake using ethanol: kinetics ...

Oil Extraction from Castor Cake Using Ethanol: Kinetics ...

In this study, the kinetics and thermodynamics of oil extraction from castor cake using ethanol were investigated. Castor cake had a total oil content of 14.78 ± 0.12% in mass and the average ...

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kinetics and thermodynamics study of oil extraction ...

Kinetics and Thermodynamics Study of Oil Extraction ...

Also, Nwabanne (2012) in the study of the kinetics and thermodynamics of oil extraction from fluted pumpkin seed, observed that oil yield increased with increase in temperature, time and volume of ...

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kinetics and thermodynamic studies on moringa oleifera ...

Kinetics and thermodynamic studies on Moringa oleifera ...

We examine the kinetics and thermodynamics of the oil extraction for biodiesel production. ... including palm oil [16], groundnut oil [17], Jatropha ... Thermodynamics of Oil Extraction from ...

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oil extraction from castor cake using ethanol: kinetics and ...

Oil Extraction from Castor Cake Using Ethanol: Kinetics and ...

In this study, the kinetics and thermodynamics of oil extraction from castor cake using ethanol were investigated. Castor cake had a total oil content of 14.78 ± 0.12% in mass and the average particle diameter was 0.446 mm. Oil extractions were carried out in a stirred batch extractor system at various temperatures (20, 30, 40, and 55 °C).

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extraction of seed oil: kinetics and thermodynamic studies m ...

EXTRACTION OF SEED OIL: KINETICS AND THERMODYNAMIC STUDIES M ...

The optimum parameters for the oil extraction from a 500 microns particle size were found to be 17.5 ml/g volume of solvent to mass ratio, extraction temperature and time were 343.15 K and 180 minutes respectively. The extraction kinetics was found to obey the fifth order with an activation energy, E a, of 41.11 kJ/mol. The

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extraction of oil from jatropha seeds-optimization and kinetics

Extraction of Oil from Jatropha Seeds-Optimization and Kinetics

Problem statement: Jatropha curcas is a wonder plant with a variety of applications and enormous economic potentials. Oil from the seeds can be used as alternative fuel and for making biodiesel which aims to overcome energy crisis problems. In this study, extraction of Jatropha oil from seeds was optimized using organic solvent based on the amount of the extracted oil. The kinetics of ...

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transesterification kinetics of soybean oil for production of ...

Transesterification Kinetics of Soybean Oil for Production of ...

A kinetic study on soybean oil transesterification without a catalyst in subcritical and supercritical methanol was made at pressures between 8.7 and 36 MPa. It was found that the conversion of soybean oil into the corresponding methyl esters was enhanced considerably in the supercritical methanol.

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transesterification kinetics of soybean oil for production of ...

Transesterification Kinetics of Soybean Oil for Production of ...

A kinetic study on soybean oil transesterification without a catalyst in subcritical and supercritical methanol was made at pressures between 8.7 and 36 MPa. It was found that the conversion of soybean oil into the corresponding methyl esters was enhanced considerably in the supercritical methanol.

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kinetic and thermodynamic characteristics of microwave ...

Kinetic and thermodynamic characteristics of microwave ...

In an extraction study, it is necessary to fit the extraction data using different models and equations in order to analyze the kinetics and thermodynamics of the extraction process. The unsteady-state diffusion model, Weibull’s model, the hyperbolic model, and the second-order model were used for kinetic analysis [ 17 ].

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biodiesel production from jatropha seeds :: science ...

Biodiesel Production from Jatropha Seeds :: Science ...

The extraction process was observed with regard to oil yield percent versus time to calculate the kinetic and thermodynamic parameter. On the other hand, Jatropha oil was used as feed stock for biodiesel production by alkali catalyzed methanolysis. The optimum condition for the production process was studied depending on the methyl ester content.

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comparative exergy analyses of jatropha curcas oil extraction ...

Comparative exergy analyses of Jatropha curcas oil extraction ...

The pretreatment of J. curcas seeds for oil extraction contributes to 24% of the total internal exergy destroyed for solvent extraction processes and 66% for mechanical extraction. This indicates that, the pretreatment unit alone degrades so much quality energy in the J. curcas seeds before actual oil extraction.

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characterization, kinetics and statistical screening analysis ...

Characterization, kinetics and statistical screening analysis ...

The kinetics and optimization of oil extraction from gmelina seed was studied. The effect of various process variables such as temperature, time, volume of solvent, particle size, and their interaction on oil yield was investigated. A predictive model describing the oil yield in terms process variables was derived from multiple regression analysis. Optimum yield of 49.90&nbsp;% was predicted ...

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thermodynamic and statistical analysis of soybean oil ...

Thermodynamic and statistical analysis of soybean oil ...

The results indicate that oil extraction process with ethanol is feasible and spontaneous, mainly under higher temperature. Also, the influence of water level in the solvent and temperature were analysed using the response surface methodology (RSM). It can be noted that the extraction yield was highly affected by both independent variables.

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extraction kinetics and physicochemical studies of

Extraction Kinetics and Physicochemical Studies of

in the extraction of oil from a number of seeds and nuts, including Jatropha curcas [19], grape seed [20], coconut [21], soyabean [22] and Terminalia catappa [9]. However, this work is focused on oil extraction from Terminalia catappa (Tropical Almond) using a solvent extraction method with n-hexane as the solvent.

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[pdf] extraction of neem oil (azadirachta indica a. juss ...

[PDF] EXTRACTION OF NEEM OIL (AZADIRACHTA INDICA A. JUSS ...

In this experiment, Neem oil extraction from Neem seeds (Azadirachta indica A. Juss) with n-hexane and ethanol are presented. Effects of particle size, temperature and type of solvent on the extraction kinetic and thermodynamic parameters were studied. Results showed that the maximum oil yields were 41.11% for ethanol and 44.29% for n-hexane at 50 o C, and 0.425-0.71 mm particle size. Based on ...

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studies on alternative solvents for the extraction of oil‐i ...

Studies on alternative solvents for the extraction of oil‐I ...

João Luiz Andreotti Dagostin, Danielle Carpiné, Marcos L. Corazza, Extraction of soybean oil using ethanol and mixtures with alkyl esters (biodiesel) as co-solvent: Kinetics and thermodynamics, Industrial Crops and Products, 10.1016/j.indcrop.2015.04.054, 74, (69-75), (2015).

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[pdf] extraction of neem oil (azadirachta indica a. juss ...

[PDF] EXTRACTION OF NEEM OIL (AZADIRACHTA INDICA A. JUSS ...

In this experiment, Neem oil extraction from Neem seeds (Azadirachta indica A. Juss) with n-hexane and ethanol are presented. Effects of particle size, temperature and type of solvent on the extraction kinetic and thermodynamic parameters were studied. Results showed that the maximum oil yields were 41.11% for ethanol and 44.29% for n-hexane at 50 o C, and 0.425-0.71 mm particle size. Based on ...

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optimization and kinetic study of gaharu oil extraction ...

optimization and kinetic study of gaharu oil extraction ...

Kinetics and Thermodynamics of Oil Extraction from Jatropha ... In the study the yield and kinetic and thermodynamic parameters of the oil extraction process from<i> Jatropha curcas</i> L. using ethanol as a solvent were evaluated for different temperatures, moisture contents of the solid phase, and particle sizes.

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oil using soxhlet extractor optimization and thermodynamics ...

Oil Using Soxhlet Extractor Optimization and Thermodynamics ...

The thermodynamics study of the extracted oil showed that ∆E a, ΔG and ∆H were positive while ∆S was found to be negative, indicating that yellow oleander oil extraction process is not a spontaneous process at all temperatures. Key words: Extraction, Yellow oleander seeds, Yellow oleander oil, Kinetics, Thermodynamics

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extraction of oil from jatropha seeds-optimization and kinetics

Extraction of Oil from Jatropha Seeds-Optimization and Kinetics

All experiments were repeated at least twice. Kinetics of extraction of jatropha oil: Based on the optimum parameters achieved from the optimization process, the rate of extraction of Jatropha curcas oil was determined at three different temperatures namely 45, 60 and near the solvent boiling point (around 68°C).

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extraction of essential oil from iraqi eucalyptus ...

Extraction of Essential Oil from Iraqi Eucalyptus ...

Santos S. B., Martins M.A., Caneschi A. L., Aguilar P.M. and Coimbra J.S.R. 2015 Kinetics and Thermodynamics of Oil Extraction from Jatropha curcas L. Using Ethanol as a Solvent International Journal of Chemical Engineering 2015 9. Crossref Google Scholar

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optimum extraction of algae-oil from microalgae using ...

Optimum Extraction of Algae-oil from Microalgae using ...

“Extraction of soybean oil using ethanol and mixtures with alkyl esters (biodiesel) as co-solvent: kinetics and thermodynamics”, Industrial Crops and Products, Vol. 74, pp. 69–75, May 2015 Y.M. Baghdadi, and C.L. Hii, “Mass transfer kinetics and efffective diffusivities during cocoa roasting”.

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nternational ciences and ngineering ol 3, o 6, une 2012 ...

NTERNATIONAL CIENCES AND NGINEERING OL 3, O 6, UNE 2012 ...

Where, Y is percentage oil yield (%), t is time of extraction (min), K is extraction constant and n is reaction order. A plot of ln(dy/dt) against lnY gives lnk as intercept and n as the slope (Topallar and Gecgel, 1999). E. Thermodynamics of oil extraction Thermodynamics parameters are determined from equation 4 (Liauw et al, 2008) RT RT R k

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