Effect of Egyptian Roselle biodiesel on performance and emissions of diesel engine

Gad, M.S.; Mustafa, Hassan

doi:10.21608/ejchem.2018.4425.1392

Cited by 15 publications

(9 citation statements)

References 12 publications

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“…Biodiesel was produced from Jatropha oil according to Gad and Abu Hashish 26 method. The free fatty acid (FFA) percentage is determined by the Acid value which is 1.382% if is larger than 1% we must produce biodiesel from Jatropha oil by a two-stage transesterification cycle.…”

Section: Methodsmentioning

confidence: 99%

Improvement of the production of bio-oil and biodiesel from Egyptian Jatropha seeds by using microwave and ultrasonic

Khater,

AbdAlla,

Bahnasawy

et al. 2024

Sci Rep

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Bio-diesel is used for engine as a replacement of diesel fuel which is characterized by lower emission, low pollution and renewable some of fuel. This study focus on how to enhance the production of bio-oil from Jatropha seeds by using microwave and ultrasonic as pre-treatments. To achieve that, the effects of extraction temperature (60, 80, 100 and 120 °C) and extraction screw speed (60, 90 and 120 rpm) on oil extraction yield and quality, extraction energy requirements and extraction time and were studied. Studying the effect of pretreatments by microwave and ultrasonic on the yield, energy and time of extraction were studied. The results most important indicate that the highest oil yield (25.1%) was recorded at 120 °C extraction temperature and 60 rpm screw speed. The energy required for extraction ranged from 8 to 11.5 W.h depending on temperature and speed of extraction. The results indicated that using both pretreatments improve the oil yield by 5.03% for microwave and by 6.75% for ultrasonic. Finally, the results concluded that to produce 1 kg of biodiesel you need 1.1 kg raw oil and consume from 2052.5 W.h energy requirement.

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Section: Methodsmentioning

confidence: 99%

Improvement of the production of bio-oil and biodiesel from Egyptian Jatropha seeds by using microwave and ultrasonic

Khater,

AbdAlla,

Bahnasawy

et al. 2024

Sci Rep

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“…Relating to fossil diesel, the exhaust gas temperatures are recorded for the biodiesel blends for all engine loads. B20 is the preferred blend compared with the other proportions at the different loads [25][26][27].…”

Section: Exhaust Gas Temperaturementioning

confidence: 99%

A Competent, Humble Cost Catalyst from Biowaste: High Performance and Combustion Characteristics of Alternative Diesel Fuel

et al. 2022

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This current work displays experimental results obtained from assessing the methyl esters from the local waste cooking oil as an alternative fuel for diesel engines using a heterogeneous catalyst based on agricultural waste. The performance of the diesel engines and their exhaust emissions have been experimentally investigated using the produced biodiesel from waste cooking oil as a blend with fossil fuel (B10, B15, and B20) compared to the diesel. The reusability of the catalyst confirmed a high conversion efficiency after 8 cycles of the production. The highest conversion efficiency of the converting waste cooking oil extended to 90.38% with 92.5% maximum mass yield and methyl ester content of 97.7% wt. at the optimized conditions. According to the results, the effective blend for thermal efficiency and specific fuel usage is B15. Also, all emission concentrations decrease with increasing the engine load, especially for B15 fuels compared to diesel oil.

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“…B20 is the best one which has high efficiency comparing with the other blends. Since the diesel oil has a lower exhaust temperature, so, the volumetric efficiency is high [17] 18] [19].…”

Section:  Specific Fuel Consumptionmentioning

confidence: 99%

High Performance Alternative Diesel Engine Fuel using Modified Rice Straw Catalyst

Metwally

Hashish²,

El-Samad

et al. 2020

Preprint

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Background: The world depends almost on fossil fuels. This leads to depletion of oil and an increase in environmental pollution. Therefore, the researchers search to find alternative fuels. Waste cooking oil (WCO) was selected as feedstock for biodiesel production to eliminates the pollution problems. The agricultural waste is very big and without cost, this leads to the use of the rice straw in preparing a catalyst for biodiesel production. Results: The reusability of the acidic catalyst confirmed that the conversion efficiency was high until after 8 cycles of the production. The highest conversion efficiency of the converting WCO extended to 90.38% with 92.5% maximum mass yield and methyl ester content 97.7% wt. at the optimized conditions. The result was indicating that B15 is the best blend for thermal efficiency and specific fuel consumption. All emission concentrations decrease with increasing the engine load, especially for B15 fuels compared to the diesel oil.Conclusion: The novelty of this paper is assessing the methyl esters from the local WCO as an alternative fuel for diesel engines using a heterogeneous catalyst based on the agricultural waste. The performance of the diesel engines and its exhaust emissions have been experimentally investigated with the produced biodiesel of WCO as a blend (B10, B15, and B20) compared to the diesel.

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Effect of Egyptian Roselle biodiesel on performance and emissions of diesel engine

Cited by 15 publications

References 12 publications

Improvement of the production of bio-oil and biodiesel from Egyptian Jatropha seeds by using microwave and ultrasonic

Improvement of the production of bio-oil and biodiesel from Egyptian Jatropha seeds by using microwave and ultrasonic

A Competent, Humble Cost Catalyst from Biowaste: High Performance and Combustion Characteristics of Alternative Diesel Fuel

High Performance Alternative Diesel Engine Fuel using Modified Rice Straw Catalyst

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