Membrane reactors for biodiesel production with strontium oxide as a heterogeneous catalyst

Haponska, Monika; Nurra, Claudia; Abelló, Sònia; Makkee, Michiel; Salvadó, Joan; Torras, Carles

doi:10.1016/j.fuproc.2018.11.010

Cited by 38 publications

(13 citation statements)

References 31 publications

(45 reference statements)

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“… Torras and co-workers studied the immobilization of SrO catalysts on a membrane (in a catalytic membrane reactor). They reported that SrO was the strongest catalyst in conversion of sunflower oil into several types of methyl esters . Another traditional method for NP fabrication involves the thermal annealing of strontium carbonate (SrCO 3 ) prepared by mixing Sr(NO 3 ) 2 and Na 2 CO 3 by heating to 900 °C under an inert atmosphere in a flow furnace.…”

Section: Methods Of Synthesis Of Sro Npsmentioning

confidence: 99%

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Strontium Oxide Nanoparticles for Biodiesel Production: Fundamental Insights and Recent Progress

et al. 2020

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Biodiesel is a renewable and environmentally friendly alternative to fossil fuels. Despite nearly 3 decades of research in the field of biodiesel, there remains major obstacles for large-scale production. In the search for an active, selective, and reusable solid base catalyst, strontium oxide (SrO) is emerging out as a preferred choice for the transesterification reaction under various methods of activation. SrO exhibits the highest activity among processable alkaline earth metal oxides as a result of its strong basicity. SrO nanoparticles (NPs) and hybrids showed improved performance. Recent progress achieved in the development of synthetic methods of SrO NPs is reviewed. Advantages of SrO-based nanocomposites for biodiesel production are discussed. Finally, potential support materials for enhancing the catalytic performance of SrO NPs with commercial implications are elaborated.

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Section: Methods Of Synthesis Of Sro Npsmentioning

confidence: 99%

“…The configuration comprising the physical immobilization of the catalyst over the membrane reached a methyl ester yield of >90 wt %. 108…”

Section: Porous Support Materials For Sro Npsmentioning

confidence: 99%

Strontium Oxide Nanoparticles for Biodiesel Production: Fundamental Insights and Recent Progress

et al. 2020

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“…The permeate stream is comprised of biodiesel, methanol, glycerol and catalysts (Baroutian et al 2010;Dubé et al 2007). Hapońska et al (2019) investigated membrane reactors ( Fig. 1a) for biodiesel production using strontium oxide as a heterogeneous catalyst.…”

Section: Membrane Reactors For Biofuel Productionmentioning

confidence: 99%

Fuel production using membrane reactors: a review

et al. 2020

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Population growth has led to higher consumption of fossil fuel, and subsequently to a major increase of greenhouse gases emissions to the atmosphere, thus inducing global warming. Fossil fuel supplies are depleting, and the price of these fuels is increasing. Moreover, there are concerns about related emissions of toxic pollutants such as sulphur dioxide and aromatic hydrocarbons. Here, we review alternative fuel technologies. We focus on how membrane reactors improve the existing production processes of renewable fuels. Advantages and environmental benefits of membrane reactors are compared to the conventional techniques. Membrane reactors have been applied successfully to improve biodiesel, hydrogen and Fischer-Tropsch synthesis. Membranes help the conversion of products, whilst shifting the equilibrium of the reaction and reducing undesired by-products. Membrane reactors also overcome immiscibility issues that hinder conventional reactor processes. Overall, membrane reactors reduce cost and energy needed for the treatment of wastewater from fuel production.

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“…A filled SrO non-woven bag was placed on the surface of a commercial polysulfone (PSF) membrane supplied by GE Osmonic to catalyze the transesterification of sunflower oil by Haponśka et al 99 According to Figure 23, the reaction products were pumped from the top layer at a rate of 400 mL/ h, then filtered, and returned to the recycling container. The commercial membrane used in this study significantly enhanced the contact between the reactants, the membrane surface, and the catalyst.…”

Section: Biodiesel By Membrane-separation-enhanced Transesterificationmentioning

confidence: 99%

Section: Biodiesel By Membrane-separation-enhanced Transesterificationmentioning

confidence: 99%

Mini Review of Biodiesel by Integrated Membrane Separation Technologies That Enhanced Esterification/Transesterification

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et al. 2020

Energy Fuels

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Nowadays, the production of biodiesel from various renewable sources is becoming increasingly urgent because fossil fuels are becoming less and less available and accessible. Biodegradability, non-toxicity, and low pollution emissions are merely some properties making biodiesel a more environmentally friendly fuel. Esterification/transesterification is the most commonly used method to produce the biodiesel, whose reaction products are water/glycerol and mixed fatty acid esters. The membrane separation methods are applied to remove water/glycerol, which is capable of upsetting the chemical equilibrium of esterification/ transesterification controlled by thermodynamics and facilitating the reaction to proceed forward accordingly. The integrated membrane separation process is coupled with the chemical reaction, which could isolate a certain product from the reaction system with the reaction going on. That means that it is possible for the membrane separation technology to burst the restraints of original chemical equilibrium to gain the higher equilibrium conversion rate and yield. In comparison to other methods, the membrane separation technique coupled with chemical reaction has the ability to increase the reaction conversion rate, shorten the reaction time, and evenly reduce energy consumption.

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Membrane reactors for biodiesel production with strontium oxide as a heterogeneous catalyst

Cited by 38 publications

References 31 publications

Strontium Oxide Nanoparticles for Biodiesel Production: Fundamental Insights and Recent Progress

Strontium Oxide Nanoparticles for Biodiesel Production: Fundamental Insights and Recent Progress

Fuel production using membrane reactors: a review

Mini Review of Biodiesel by Integrated Membrane Separation Technologies That Enhanced Esterification/Transesterification

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