The production of biodiesel from vegetable oils by ethanolysis: Current state and perspectives

Stamenković, Olivera S.; Veličković, Ana V.; Veljković, Vlada B.

doi:10.1016/j.fuel.2011.06.049

Cited by 215 publications

(120 citation statements)

References 135 publications

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“…In theory, these fatty acids could be readily skimmed as sodium soap from the complex pretreatment liquor prior pH neutralisation, in a similar manner to that of tall oil being isolated during the kraft pulp process of coniferous wood [49]. The resulting soap has several potential applications, among which the esterification of the fatty acids with methanol or ethanol would produce fatty acid methyl or ethyl esters, respectively, which is biodiesel [49][50][51].…”

Section: Discussionmentioning

confidence: 99%

Side by Side Comparison of Chemical Compounds Generated by Aqueous Pretreatments of Maize Stover, Miscanthus and Sugarcane Bagasse

et al. 2014

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In order to examine the potential for coproduct generation, we have characterised chemical compounds released by a range of alkaline and acidic aqueous pretreatments as well as the effect of these pretreatments on the saccharification ability of the lignocellulosic material. Comparative experiments were performed using three biomass types chosen for their potential as second-generation biofuel feedstocks: maize stover, miscanthus and sugarcane bagasse. The release of lignin from the feedstock correlated with the residual biomass saccharification potential, which was consistently higher after alkaline pretreament for all three feedstock types.Alkaline pretreatment released more complex mixtures of pentose and hexose sugars into the pretreatment liquor than did acid pretreatment. In addition, complex mixtures of aromatic and aliphatic compounds were released into pretreatment liquors under alkaline conditions, in a temperaturedependent manner, but far less so under acidic conditions. We show that the three feedstocks characterised interact with the pretreatment conditions in a specific manner to generate different ranges of products, highlighting the need to tailor pretreatments to both the starting feedstock and desired outcomes.

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Section: Discussionmentioning

confidence: 99%

Side by Side Comparison of Chemical Compounds Generated by Aqueous Pretreatments of Maize Stover, Miscanthus and Sugarcane Bagasse

et al. 2014

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“…Unfortunately, the reaction of cheap non-edible oils with high FFAs that exceeds the acceptable value 4 mg KOH g 1 for direct transesterification into biodiesel with FFA to form soap that eventually leads to difficulty in product separation 9 . Therefore, a process acid-catalyzed esterification of FFAs into biodiesel is an economically attractive route.…”

Section: Introductionmentioning

confidence: 99%

Preparation of Copper (II) Containing Phosphomolybdic Acid Salt as Catalyst for the Synthesis of Biodiesel by Esterification

et al. 2018

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“…tion of biofuel made of soybean oil, the other vegetable oils such as sunflower, canola and palm have the potential to produce biodiesel (Porte et al, 2010;Stamenkovic et al, 2011).…”

Section: Brazilian Journal Of Chemical Engineeringmentioning

confidence: 99%

Liquid-Liquid Equilibrium for Ternary Systems Containing Ethylic Biodiesel + Anhydrous Ethanol + Refined Vegetable Oil (Sunflower Oil, Canola Oil and Palm Oil): Experimental Data and Thermodynamic Modeling

Dias¹,

Neto²,

Ansolin³

et al. 2015

Braz. J. Chem. Eng.

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-Phase equilibria of the reaction components are essential data for the design and process operations of biodiesel production. Despite their importance for the production of ethylic biodiesel, the reaction mixture, reactant (oil and ethanol) and the product (fatty acid ethyl esters) up to now have received less attention than the corresponding systems formed during the separation and purification phases of biodiesel production using ethanol. In this work, new experimental measurements were performed for the liquid-liquid equilibrium (LLE) of the system containing vegetable oil (sunflower oil and canola oil) + ethylic biodiesel of refined vegetable oil + anhydrous ethanol at 303.15 and at 323.15 K and the system containing refined palm oil + ethylic biodiesel of refined palm oil + ethanol at 318.15 K. The experimental data were successfully correlated by the nonrandom two−liquid (NRTL) model; the average deviations between calculated and experimental data were smaller than 1.00%.

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The production of biodiesel from vegetable oils by ethanolysis: Current state and perspectives

Cited by 215 publications

References 135 publications

Side by Side Comparison of Chemical Compounds Generated by Aqueous Pretreatments of Maize Stover, Miscanthus and Sugarcane Bagasse

Side by Side Comparison of Chemical Compounds Generated by Aqueous Pretreatments of Maize Stover, Miscanthus and Sugarcane Bagasse

Preparation of Copper (II) Containing Phosphomolybdic Acid Salt as Catalyst for the Synthesis of Biodiesel by Esterification

Liquid-Liquid Equilibrium for Ternary Systems Containing Ethylic Biodiesel + Anhydrous Ethanol + Refined Vegetable Oil (Sunflower Oil, Canola Oil and Palm Oil): Experimental Data and Thermodynamic Modeling

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