Biodiesel production from mixed oils: A sustainable approach towards industrial biofuel production

Brahma, Sujata; Nath, Biswajit; Basumatary, Bhimraj; Das, Bula; Saikia, Pankaj; Patir, Khemnath; Basumatary, Sanjay

doi:10.1016/j.ceja.2022.100284

Cited by 209 publications

(63 citation statements)

References 306 publications

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“…Consequently, the conversion process of triglycerides into biodiesel required a careful balance between the alcohol and oil used to gain the highest yield and well separation of the products. 166 An extrahigh alcohol concentration leads to dilution of the reaction medium and catalyst used, which leads to the deactivation of the catalyst in the reaction and low biodiesel yield obtained and increases the operation cost. 167 10.1.4.…”

Section: Biofuel Production: Reaction Parameters and Processmentioning

confidence: 99%

“…A low alcohol ratio in the reaction medium leads to fast and efficient separation of the formed glycerin but required a longer reaction time and lower fatty acid methyl ester concentrations. Consequently, the conversion process of triglycerides into biodiesel required a careful balance between the alcohol and oil used to gain the highest yield and well separation of the products . An extra-high alcohol concentration leads to dilution of the reaction medium and catalyst used, which leads to the deactivation of the catalyst in the reaction and low biodiesel yield obtained and increases the operation cost …”

Section: Biofuel Production: Reaction Parameters and Processmentioning

confidence: 99%

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Insight into the Recent Advances in Sustainable Biodiesel Production by Catalytic Conversion of Vegetable Oils: Current Trends, Challenges, and Prospects

2023

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Recently, numerous advances were reported in the creation of efficient and low-cost heterogeneous catalysts for the transesterification reactions of triglyceride molecules to decrease the overall cost of biofuel production. The heterocatalytic transesterification process has been recognized to be the most emerging approach in biodiesel synthesis as a result of its ease of use and low price. The unique characteristics of seven different kinds of heterogeneous catalysts, containing heteropolyacid, zeolite-based catalyst, layered-double-hydroxide-based catalyst, graphene, graphene oxide, activated carbon, biomass and non-biomass waste materials, and finally metal- and metal-oxide-based catalysts that are frequently employed in current biodiesel research, have undergone extensive studies. The emphasis is on multipurpose catalysts, which have high catalytic efficiency and low production cost because they create biofuel that is more applicable, effective, and eco-friendly. This review highlighted significant factors affecting the efficiency of heterogeneous catalysts, discussed the reaction parameters that affect biofuel production from various vegetable oil feedstocks, also mentioned the reaction mechanism of biodiesel production using heterogeneous catalysts, and last debated process opportunities and challenges that could stimulate future exploration.

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Section: Biofuel Production: Reaction Parameters and Processmentioning

confidence: 99%

Section: Biofuel Production: Reaction Parameters and Processmentioning

confidence: 99%

Insight into the Recent Advances in Sustainable Biodiesel Production by Catalytic Conversion of Vegetable Oils: Current Trends, Challenges, and Prospects

2023

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“…The vast availability of raw materials, renewability, biodegradability and lower CO2(g) emissions make biodiesel superior to other energy sources [8]. Biodiesel a biofuel derived from the transesterification of bio-oil, and its energy content is comparable to diesel derived from fossil fuels [9][10][11]. Biodiesel, a combination of methyl esters, has been reported to be of similar quality to fossil diesel [12].…”

Section: Biodiesel Overviewmentioning

confidence: 99%

Process Optimization, Kinetic Modelling and Characterization of Biodiesel Produced From Moringa Oleifera Oil: A Review

et al. 2022

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The rise in world population has resulted in subsequent increase in demand for energy which led to insufficient energy supply. Fossil fuel reserves such as coal, crude oil, and natural oil has been utilized as fuel energy and has been continuously used in large-scale and would get exhausted. Hence development, adoption and diffusion of several alternative technologies such as biomass, wind, solar, ocean thermal, hydrogen, and geothermal energy. Biodiesel has garnered increasing attention because it is renewable and eco-friendly because of its non-emission of CO2 compared to the conventional diesel. Optimization and kinetic modelling are receiving more importance in characterization of biodiesel production. This paper is an attempt to review recent development and application of different optimization and kinetic modelling processes for the optimum production of biodiesel.Optimization of different reaction parameters such as reaction temperature, time, solvent/solid ratio,

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“…In the presence of an alkaline catalyst, FFAs form soap when the FFA levels in the oil exceed this threshold, forming stable emulsions. This stable emulsion requires a longer settling time for the separation of the organic phase, increasing the cost of the process [4][5][6].…”

Section: Introductionmentioning

confidence: 99%

Kinetic Modeling of the Esterification of Oleic Acid and Methanol in Conventional and Adsorptive Reaction Systems

Fernandes¹

2022

Catal Res

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Biodiesel is derived from renewable vegetable or animal sources and is either used as a standalone fuel or blended with oil-based diesel. The kinetic mechanism of the esterification of oleic acid was investigated in a conventional batch reactor and a batch reactor coupled to a water adsorption system. The esterification was performed with oleic acid and methanol at different temperatures (70 to 110 °C) and alcohol-to-oleic acid molar ratios (3:1 to 9:1), using sulfuric acid as a catalyst. A kinetic model was constructed and validated. The model was statistically significant at a 95% confidence level, thus proving its effectiveness in predicting oleic acid esterification with methanol using sulfuric acid as a catalyst.

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Biodiesel production from mixed oils: A sustainable approach towards industrial biofuel production

Cited by 209 publications

References 306 publications

Insight into the Recent Advances in Sustainable Biodiesel Production by Catalytic Conversion of Vegetable Oils: Current Trends, Challenges, and Prospects

Insight into the Recent Advances in Sustainable Biodiesel Production by Catalytic Conversion of Vegetable Oils: Current Trends, Challenges, and Prospects

Process Optimization, Kinetic Modelling and Characterization of Biodiesel Produced From Moringa Oleifera Oil: A Review

Kinetic Modeling of the Esterification of Oleic Acid and Methanol in Conventional and Adsorptive Reaction Systems

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