Integrated valorization of Moringa oleifera and waste Phoenix dactylifera L. dates as potential feedstocks for biofuels production from Algerian Sahara: An experimental perspective

Boulal, Ahmed; Atabani, A.E.; Mohammed, M. N.; Khelafi, M.; Uğuz, Gediz; Shobana, Sutha; Bokhari, Awais; Kumar, Gopalakrishnan

doi:10.1016/j.bcab.2019.101234

Cited by 52 publications

(26 citation statements)

References 32 publications

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“…The oil content of Moringa oleifera seeds by Soxhlet extraction was found to be 30.437% of the weight of dry seeds. By comparing this figure with the results reported in previous works, it was noted that the yield obtained was slightly lower than the percentages 40%, 41%, 36.48% and 34.5% obtained by (Goja, 2013;Pereira et al, 2016b;Domínguez et al, 2017;Boulal et al, 2019), respectively. These findings related to the region climate, soil type and the operating conditions.…”

Section: Extraction Yieldsupporting

confidence: 63%

“…D 20 = 886.05 kg/m 3 , is close to olive oil density; whose general standard given by the Codex Alimentarius is between 910 and 916 kg/m 3 . This value is lower than the value 897.5 kg/m 3 obtained by Mofjur et al 2014 and 896.7 kg/m 3 reported by Boulal et al, 2019.…”

Section: Densitycontrasting

confidence: 55%

“…Extraction of Morinaga oleifera L. oil using the soxhlet method (Boulal et al, 2019) The extraction by specific nonpolar organic solvent (n-hexane) for determining the fat content was carried out in a Soxhlet type apparatus. This technique ensures a hot extraction of the fat contained in Moringa seeds powder that is placed in a cellulose cartridge and continuously soaked with the vapors of a solvent that was selected according to the polarity of the lipid active ingredients to be extracted.…”

Section: Preparation Of Raw Materialsmentioning

confidence: 99%

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Study of the Antibacterial and Antioxidant Capacities of Fixed Oil of Moringa oleifera L. Cultivated in the Southwest of Algeria

Boulal

Ouafiane

Oubiri

et al. 2021

AJDFR

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Background: Since time immemorial, humans have always been interested in lipids for various uses, namely food, cosmetology, medicine, etc. Many seeds, sources of oils, are increasingly studied for their nutritional and therapeutic properties. Methods: The present study aims to valorize the vegetable oil obtained from the seeds of the Moringa oleifera plant widely cultivated in the southwest of Algeria, using the solid-liquid extraction technique. In addition, the fatty acid analysis of this oil, using the gas chromatography technique. Result: An oil yield of 30.43% was obtained, revealed that it contains ten different compounds. The characterization of the oil obtained (physico-chemical properties such as organoleptic properties, density, viscosity, refractive index) proved to comply with international standards and AFNOR standards. In addition, it turned out that Moringa oleifera oil has a very interesting antioxidant power. However, this oil did not show any antibacterial activity on the strains tested.

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Section: Extraction Yieldsupporting

confidence: 63%

Section: Densitycontrasting

confidence: 55%

Section: Preparation Of Raw Materialsmentioning

confidence: 99%

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Study of the Antibacterial and Antioxidant Capacities of Fixed Oil of Moringa oleifera L. Cultivated in the Southwest of Algeria

Boulal

Ouafiane

Oubiri

et al. 2021

AJDFR

Self Cite

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“…A flammability test was conducted with this bioethanol; a very intense and sustainable flame was obtained proving its good quality as a fuel. Although alcoholic fermentation with S. cerevisiae has long been improved, the present results showed that lower quality of Algerian dates, which cannot be integrated into human nutrition and are useless as animal feed due to low protein content [27] can be valorized for the production of ethanol with good quality (see the values marked in bold in Table 3) that could be used as fuel. On the other hand, sugar beet requires high pretreatments to hydrolyze some complex molecules (starch, cellulose, etc.)…”

Section: Bioethanol Yield and Concentrationmentioning

confidence: 74%

An effective acid pretreatment of agricultural biomass residues for the production of second-generation bioethanol

et al. 2019

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Currently, the potential for energy recovery of plant biomass by biotechnological processes is a preferred solution for the use of agricultural products of low commercial value in order to produce bioenergy that is alternative to fossil fuels. The objective of this study was to obtain second-generation bioethanol by valorization of sugar beet and common dates of low quality. This involved separate hydrolysis and anaerobic fermentation process using the yeast strain Saccharomyces cerevisiae. Physicochemical and biochemical analyzes were carried out on beet and date substrates before and after alcoholic fermentation to determine their effect on yeast activity. The results showed that palm date was a good substrate for the microorganisms in contrast to sugar beet which required a high pretreatment in order to hydrolyze sucrose into fermentable sugars. After distillation, it was possible to recover bioethanol with a quality and a concentration depending on the substrate nature. For an initial sugar concentration of 12.0 °Brix, 74.7 g/kg DM of bioethanol (92.4 g/L) was produced by Saccharomyces from date syrup. In the presence of concentrated date syrup (22.2 °Brix), a lower efficiency of ethanol production was observed (78.2 g/L). It can be conclude that the diluted date substrate led to a good quality bioethanol with a high production yield. Statement of noveltyIn this project, we tried to valorize agricultural residues (Algerian sugar beet and palm date of low quality) for the production of bioethanol which can substitute fossil energies. Algeria is considered as one of the major producers and exporters of palm dates in the world, and thousands of tons of dates remain unused. Thus, these agricultural by-products could be recovered instead of being released into the environment by polluting it. In order to produce bioethanol, an effective pretreatment and optimal fermentation conditions were used. This project is part of a strategy to increase the feedstock exploitation and decrease the residues while producing clean and renewable energy.* Nabila Khellaf, khellafdaas@yahoo.fr |

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“…The flash point is an important test for biodiesel, which determines the ability of fuel to storage and handling. The flash point of biodiesel was found to be 175 and it was under the ASTM standards and higher than diesel [57]. The high flash point makes fuel less volatile fuel and safer to transport than petroleum diesel [53][54][55].…”

Section: 1317mentioning

confidence: 99%

Assessment of green biodiesel production based on Egyptian waste cooking oil using different porous membranes

et al. 2021

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In this study, green biodiesel was produced from Egyptian waste cooking oil by trans-esterification reaction using membrane technology. The produced biodiesel was characterized by physicochemical properties, FTIR, and gas chromatography/mass spectrometry (GC/MS). It was found that it meets the specifications of the American standard test method (ASTM) D6751. Because glycerol was the only impurity that was difficult to separate from the prepared biodiesel by regular methods, polysulfone (PS) membrane and three hybrid membranes were prepared using the phase inversion method for the glycerol purification process. The hybrid membranes were prepared by mixing PS with different weight ratios of polyethylene glycol (PEG), polyvinyl pyrrolidone (PVP), and zinc oxide nanoparticles (ZnO NPs). The structure and surface morphology of the resulted membranes were characterized by scanning electron microscope (SEM), Fourier-transform infrared spectroscopy (FTIR), and thermal gravimetric analysis (TGA). The purification efficiency of these membranes was satisfied by highperformance liquid chromatography (HPLC) and weight loss ratio. The HPLC chromatogram showed that the membrane of the PS/ZnO NPs provided the highest separation rate of the biodiesel by-product glycerol compared to the other ones.

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Integrated valorization of Moringa oleifera and waste Phoenix dactylifera L. dates as potential feedstocks for biofuels production from Algerian Sahara: An experimental perspective

Cited by 52 publications

References 32 publications

Study of the Antibacterial and Antioxidant Capacities of Fixed Oil of Moringa oleifera L. Cultivated in the Southwest of Algeria

Study of the Antibacterial and Antioxidant Capacities of Fixed Oil of Moringa oleifera L. Cultivated in the Southwest of Algeria

An effective acid pretreatment of agricultural biomass residues for the production of second-generation bioethanol

Assessment of green biodiesel production based on Egyptian waste cooking oil using different porous membranes

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