The characteristics of bioethanol fuel made of vegetable raw materials

Muhaji,; Sutjahjo, Dwi Heru

doi:10.1088/1757-899x/296/1/012019

Cited by 16 publications

(8 citation statements)

References 5 publications

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“…The heating values of produced bioethanol and standard ethanol are higher than the minimum limit of 10 175.99 KJ/Kg by ASTM standard. The heat content of bioethanol, produced from Abrus seed flour, is higher than that obtained from Saccharum officarum linn (8756 KJ/Kg) and Amorphophallus variabilis (6786 KJ/Kg) 74 . The heating value is the amount of energy released in the combustion process of per unit volume of the fuel.…”

Section: Resultsmentioning

confidence: 98%

Optimization and characterization of bioethanol production from Abrus seed flour

2020

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Summary Development of alternative energy sources, that is, renewable, environmental co‐friendly, and cost effective, is highly imperative to mitigate the harmful effects associated with the use of fossil fuels. Thus, Abrus precatorius seeds are commercially unexploited in the production of bioethanol in Nigeria. The seed was found to contain an appreciable amount of carbohydrates (ca 61%), which are the main source of ethanol. Its lignin content (1.23%) was very low compared to its hydrolyzable components of lignocellulose‐cellulose (13.67%) and hemicellulose (12.53%), making the seed a potential source of bioethanol. The Abrus hydrolysate produced by liquefaction and saccharification, using partially purified α‐amylase and glucoamylase, respectively, had a reducing sugar content of 10.90 mg/mL. Studies on the liquefaction of Abrus seed slurry showed that a maximum reducing sugar of 5.32 mg/mL was released at optimal conditions of substrate concentration (5 g/100 mL), pH 5.0, temperature 60°C, α‐amylase concentration 50 U/mL, and incubation period of 80 minutes, while the saccharification of liquefied slurry released a maximum reducing sugar of 10.90 mg/mL at optimal conditions of pH 5.5, temperature 60°C, glucoamylase concentration 40 U/mL, and incubation period of 90 minutes. The optimization of bioethanol production from Abrus hydrolysate showed that a maximum bioethanol yield of 90.57 ± 0.24% was obtained at an optimal incubation period of 5 days, inoculum size of 5% w/v, and pH of 5.5. The fuel properties of the Abrus bioethanol compared favorably well with standard ethanol, especially in the aspect of heat content (28 580.77 ± 0.05 KJ/Kg), kinematic viscosity at 40°C (1.30 ± 0.02 mm2/s), refractive index (1.36 ± 0.27), and pour point (−18.00 ± 0.07°C). Ash and sulfur were not detected in the produced bioethanol. This study showed that, under normal bioethanol production conditions, inedible Abrus seed flour can serve as cheap and effective feedstock for industrial production of bioethanol. Novelty Statement The depletion of the global reserves of fossil fuels and the increasing environmental concerns due to fossil fuel usage had spurred global interests in renewable alternative energy sources. Most of the carbon‐neutral alternative sources are edible crops, raising concern about food security in the ever‐increasing global population. Here, a good quality bioenergy is developed from a nonfood plant source, Abrus precatorius seed, to mitigate the negative effects of fossil fuel consumption on the environment without interfering with the global food chain.

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Section: Resultsmentioning

confidence: 98%

Optimization and characterization of bioethanol production from Abrus seed flour

2020

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“…Furthermore, when pH value is > 9.0 parts 150 Density is a measure of the amount of matter contained by a given volume. The quality of ignition of fuel is significantly affected by density [12]. The density of the produced bioethanol (from all the three substrates)is higher than the standard value.…”

Section: Comparative Study Of Bioethanol Produced From Different Agromentioning

confidence: 95%

“…When a pH value is <6.5 they (fuel injector, engine )might stop working. Furthermore, when pH value is > 9.0 parts of the fuel pump plastic will stop working [12]. physical properties test of bioethanol produced from the three substrates.…”

Section: Comparative Study Of Bioethanol Produced From Different Agromentioning

confidence: 99%

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Comparative Study of Bioethanol Produced from Different Agro-Industrial Biomass Residues

Adiya

Adamu

Ibrahim

et al. 2022

EJCS

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Bioethanol was produced from the three different agro-industrial biomass residues, i.e., sugarcane bagasse (SB), rice husk (RH) and corn cob (CC)) at 35°C, 120hr with 90g of each substrate. 2% H2SO4 was used for hydrolysis of the samples while 3g of yeast (saccharomyces cerevisiae) was used for fermentation. Simple distillation was used for the distillation of the fermented broth. The concentration of reducing sugar and ethanol, quantity of produced bioethanol as well as the physical properties (pH, density, viscosity and flash point) was investigated. SB has the highest concentration of reducing sugar and ethanol as well as the quantity of produced bioethanol. The pH of bioethanol generated from all the three substrates are within the bioethanol standard value while the density, viscosity and flash point were higher than bioethanol standards. It was concluded that both SB, RH and CC has the potential of bioethanol production in commercial quantity under well-chosen production conditions.

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“…Nitrogen and ash concentrations as well as lignocellulose are two very important factors that define the quality of the raw material in ethanol. These characteristics, in most cases, are based on climatic conditions as well as on the genome of the plant [29].…”

Section: Zea Mays Lmentioning

confidence: 99%

Maize as Energy Crop

Skoufogianni¹,

Solomou²,

Charvalas³

et al. 2020

Maize - Production and Use

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Maize is the predominant raw material (together with sugar cane) for the production of bioethanol, the most common and widespread biofuel, and at the same time the predominant raw material for biogas production, with the highest yields in Europe. The advantage of maize biomass over other energy plants is the fact that biomass occurs after harvesting the seed and does not require the use of a different area for its development. The main drawback of the use of maize biomass is the negative effects of removing crop residues on fertility and the physical properties of the soil. Bioethanol's share of global biofuel production is over 94%, as many countries are replacing a portion of their fossil fuels with biofuels, according to international regulations. The choice of crops used as feedstock for the production of bioethanol is strongly associated with local climatic factors. About 60% of world bioethanol production is made with cane raw material in the Central and South American countries, with Brazil leading, while the remaining 40% from other crops with North America producing bioethanol almost exclusively from maize, and the EU uses as raw material raw starch (cereals and maize) as well as crops such as sugar beet and sweet sorghum.

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The characteristics of bioethanol fuel made of vegetable raw materials

Cited by 16 publications

References 5 publications

Optimization and characterization of bioethanol production from Abrus seed flour

Optimization and characterization of bioethanol production from Abrus seed flour

Comparative Study of Bioethanol Produced from Different Agro-Industrial Biomass Residues

Maize as Energy Crop

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