Propriétés physico-chimiques et composition de l'huile non conventionnelle de pourghère (Jatropha curcas) de différentes régions du Bénin

Kpoviessi, Dossou Sika Salomé; Accrombessi, Georges C.; Kossouoh, Cosme; Soumanou, Mohamed M.; Moudachirou, Mansourou

doi:10.1016/j.crci.2003.10.021

Cited by 14 publications

(9 citation statements)

References 2 publications

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“…However, the results are closer to that of Senegalese neem seeds studied by Faye [2] with an average value of 0.864. The kinematic viscosity of our oil samples, evaluated on average at 26.34 and 26.67 cSt for Maroua and Zidim, respectively, confirms the results of Sekhar et al [14], who obtained values between 20.5 and 48.5. Moreover, the calorific values of the samples are close to those of the neem oils found in the literature varying between 32 and 40 MJ/kg [17].…”

Section: Physicochemical Characteristics Of Neem Oilsupporting

confidence: 90%

“…Moreover, the acid number values of the samples studied are in contradiction with those of Banik et al [16] who also conducted a similar study on neem seed oil and reported an acid value of 28.6 mg/g. The density, evaluated on average at 0.833 and 0.850 for the Maroua and Zidim samples, respectively, were in line with the results reported by Banik et al [14] in 2018, who also conducted a similar study on neem seed oil. The density results were lower than those of the neem oil obtained by some other authors which varied between 0.912 and 0.965 [3,15].…”

Section: Physicochemical Characteristics Of Neem Oilsupporting

confidence: 90%

“…Moreover, the calorific values of the samples are close to those of the neem oils found in the literature varying between 32 and 40 MJ/kg [17]. The saponification values are comparable to those of the jatropha oil, evaluated between 196 and 208 mg/g [14], and the iodine values are close to that of the olive oil evaluated between 75 and 94 mg I 2 /100 g [15]. These values also confirm the results of Sagoua [13], which indicate that neem oil iodine and saponification values are evaluated on average in the range of 65 to 80 mg I/100 g and in the range 175 to 205 mg/g, respectively.…”

Section: Physicochemical Characteristics Of Neem Oilsupporting

confidence: 78%

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Influence of Physicochemical Characteristics of Neem Seeds (Azadirachta indica A. Juss) on Biodiesel Production

et al. 2020

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The aim of this work is to study the influence of the physicochemical characteristics of neem seeds, according to their mass and oil content, on the production of biodiesel. After the physical characterization of the seeds and extraction of the oil (triglycerides), biodiesel was produced from crude neem seed oil by transesterification with ethanol in the presence of sodium hydroxide. This study shows that the physicochemical characteristics of these seeds vary according to the origin of the samples. The seeds from Zidim, with a mass average of 200 seeds evaluated at 141.36 g and an almond content of 40.70%, have better characteristics compared to those collected in the city of Maroua, with average values evaluated at 128.00 g and 36.05%, respectively. Almonds have an average lipid content of 53.98 and 56.75% for the Maroua and Zidim samples, respectively. This study also reveals that neem oil, by its physicochemical characteristics, has a satisfactory quality for a valorization in the production of biodiesel. However, its relatively high free fatty acid content is a major drawback, which leads to a low yield of biodiesel, evaluated on average at 89.02%, and requires a desacidification operation to improve this yield. The analysis of biodiesel indicates physicochemical characteristics close and comparable to those of petrodiesel, particularly in terms of calorific value, density, kinematic viscosity, acid value, evaluated at 41.00 MJ/kg, 0.803, 4.42 cSt, and 0.130 mg/g, respectively.

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Section: Physicochemical Characteristics Of Neem Oilsupporting

confidence: 90%

Section: Physicochemical Characteristics Of Neem Oilsupporting

confidence: 90%

Section: Physicochemical Characteristics Of Neem Oilsupporting

confidence: 78%

See 1 more Smart Citation

Influence of Physicochemical Characteristics of Neem Seeds (Azadirachta indica A. Juss) on Biodiesel Production

et al. 2020

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“…The results obtained in the present study are in agreement with those of the literature Akintayo et al (2004) Kpoviessi et al (2004) and Augustus et al, (2002).…”

Section: Fatty Acid Characteristics Of Jatrophasupporting

confidence: 83%

Fatty acid and biodiesel characteristics Ethiopian Jatropha (Jatropha curcas L.) provenances

2016

Int. J. Adv. Biol. Biomed. Res.

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For determining the fatty acid characteristics and biodiesel quality of Ethiopian Jatropha provenances, the study was conducted in five regions namely Southern Nation Nationalities Peoples Regional State (SNNPRS), Amhara region, Tigria region, Oromia region and Benishangul Gumuz Regions, where physic nut is found abundantly. For each region, representative sampling sites were selected following thorough discussion with head of Mines and Energy at zonal level. During representative sample site selection, one knowledgeable and responsible expert was assigned from the zonal mines and energy office for making the site selection more perfect and easier and thereby to collect representative data from each region. Following this arrestment, a total of 23 Zones, 36 Weredas and 40 sampling sites were considered from five regions of the country for the study. It was observed that the identified constituents of the Jatropha oils are linoleic acid, stearic acid, palmetic acid and oleic acid. From the identified fatty acids, oleic acid was the major constituent followed by stearic acid. The constituents of the fatty acids ranged from 42.8-51.4% for oleic acid, 10.9-19.3% for stearic acid, 10.62-15.91% for palmetic acid and 21.73-25.43% for linoleic acid. The biodiesel quality characteristics of Ethiopian Jatropha seeds were found

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“…These results indicate that the quantity of the oil yield from J. curcas seeds can vary depending on the region of cultivation, and may be influenced by the conditions, culture or even age [18]. Table 2 lists the compositions of the J. curcas oils from the Janaúba-Minas Gerais, Teresina-Piauí, Crateús-Cear a, and Caboverde-Africa variety, for comparative purposes, in addition to the compositions for soybean oil [14,21].…”

Section: Chemical Composition and Yield Of Oilmentioning

confidence: 99%

Study of degumming process and evaluation of oxidative stability of methyl and ethyl biodiesel of Jatropha curcas L. oil from three different Brazilian states

Araújo

Costa

et al. 2014

Renewable Energy

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This work describes the production of biodiesel from Jatropha curcas oil. The kernel samples provided by Embrapa-PI, were first crushed in a blender and then subjected to extraction with hexane. The oil yield was between 54.71 ± 0.47 and 64.16 ± 2.88%. The J. curcas oil was then submitted to two different kinds of degumming, first with water and second with H 3 PO 4 to evaluate the influence of these processes in the yield of the transesterification reaction. Methyl and ethyl biodiesel prepared from the degummed oil with H 3 PO 4 had higher conversions than those prepared with the degummed with water. Therefore, among the processes of degumming studied, H 3 PO 4 was more suitable for the treatment of J. curcas oil. The study shows the results about oxidation stability were good, because the biodiesels methyl and ethyl biodiesel have induction period at 13.51 h and 13.03 h without antioxidant addition when submitted a Rancimat text. Such biodiesels had their physicochemical parameters defined under the specifications of ANP Resolutions n 14/2012 (ANP-National Agency of Petroleum, Natural Gas and Biofuels from Brazil). The results showed that J. curcas cultivation in Brazil is an adequate source for biodiesel production, considering the technical standards available.

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Propriétés physico-chimiques et composition de l'huile non conventionnelle de pourghère (Jatropha curcas) de différentes régions du Bénin

Cited by 14 publications

References 2 publications

Influence of Physicochemical Characteristics of Neem Seeds (Azadirachta indica A. Juss) on Biodiesel Production

Influence of Physicochemical Characteristics of Neem Seeds (Azadirachta indica A. Juss) on Biodiesel Production

Fatty acid and biodiesel characteristics Ethiopian Jatropha (Jatropha curcas L.) provenances

Study of degumming process and evaluation of oxidative stability of methyl and ethyl biodiesel of Jatropha curcas L. oil from three different Brazilian states

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