Biodiesel Purification and Upgrading Technologies

Bateni, Hamed; Saraeian, Alireza; Able, Chad M.; Karimi, Keikhosro

doi:10.1007/978-3-030-00985-4_4

Cited by 12 publications

(10 citation statements)

References 212 publications

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“…However, after transesterification reaction, biodiesel purification is crucial in order to meet ASTM and EN requirements [5]. According to ASTM D6751 and EN14214, the maximum limit of total free glycerol in biodiesel B100 is 0.03 v. % and 0.02 wt %.…”

Section: Discussionmentioning

confidence: 99%

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Membrane Performance on Biodiesel Production and Purification: A Review

C.¹,

Elissavet²

2022

Int. J. Membrane Sci. Techno.

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Biodiesel is considered as a renewable and cleaner fuel compared to the equivalent fossil fuels. However, the conventional methods of biodiesel production as well as its purification processes present economic and environmental limitations. Membrane based systems can significantly improve biodiesel yield retaining the unrecovered feedstock and recycle it to the reactor for further esterification/transesterification. Moreover, the simultaneous removal of byproducts leads in high purity and quality biodiesel production. The current study presents recent experimental and modeling results based on a PRISMA literature review analysis. Several membrane-based catalytic systems were categorized by their performance and stability on biodiesel production as well as by their biodiesel purification for glycerol removal. Findings indicated that high biodiesel yield can be achieved by using catalytic synthesized membranes of different materials; while their stability presents high rate after several runs in batch mode or continuous running mode. In the purification process, glycerol removal over filtration membrane systems seems to be a viable solution for obtaining high quality biodiesel and avoiding wet washing methods that result in wastewater generation. Membrane technology contributes in biodiesel production and purification processes enhancing cost reduction and environmental protection. Nevertheless, more research is required for further industrialization.

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Section: Discussionmentioning

confidence: 99%

“…Membrane performance depends on its selectivity that presents towards compounds of interest, its composition, temperature, pressure, flow velocity, pore size, etc. [3,5,6].…”

Section: Introductionmentioning

confidence: 99%

Membrane Performance on Biodiesel Production and Purification: A Review

C.¹,

Elissavet²

2022

Int. J. Membrane Sci. Techno.

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“…The combined effect of reaction time and temperature (Figure 2) prove that biodiesel yield increased with increasing reaction time and temperature. At a higher reaction time and lower temperature (< 2.5hr, ≤ 40 0 C), the biodiesel yield was 84% due to fact oil produced from the castor bean has low viscosity in consequence the in-situ transesterification can be performed at room temperature (Bueno et al, 2017;Bateni et al, 2018).…”

Section: Utilization Of Waste Foil and Carbide… Galadima Et Al Fjsmentioning

confidence: 99%

“…CN increases with increasing length of both fatty acid chain and ester groups (Knothe, 2005). CN of diesel specified by ASTM D6751 is 51 min (Lapuerta et al, 2008).The lower CN result in Low acid value High flashpoint of the CSB FAME (Bueno et al, 2017;Bateni et al, 2018). 309 CONCLUSIONS Biodiesel production around the world results from different feedstocks and specifically vegetable oils.…”

Section: Gc-ms Analysismentioning

confidence: 99%

UTILIZATION OF WASTE FOIL AND CARBIDE SLAG AS HETEROGENEOUS CATALYST FOR IN-SITU TRANSESTERIFICATION OF Ricinus Communis (CASTOR SEEDS)

Galadima

Dabai²,

Ahmad³

et al. 2023

FJS

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Contemporary studies on exploration of waste to eco-friendly approach of biodiesel catalysis have attracted much attention. This study produce a heterogeneous catalysts with high activity from Carbide slag and waste Aluminum foil digested in Conc. HCl(aq) calcined at high temperatures. The produced catalyst applied in Insitu transesterification with castor bean seed possess enormous potential towards developing an economical and ecological sound biodiesel generation. The catalyst was characterized using FT-IR, SEM and X-ray diffraction (XRD), methods. Optimization of the reaction variables was carried out using respond Surface Methodology (RSM) Box-Behnken experimental designs. The empirical model obtained expresses the relationship between the biodiesel and the statistical significant reaction variables (R 2 = 90.15%).The conversion of 97.68% was achieved under the optimum reaction conditions of 1.5g. wt of CS-AlCl3 (aq), (1:9) of seed to methanol ratio, 1hrs of reaction time and 40℃ of temperature. The biodiesel produced were characterized using FTIR and GC-MS. The study is an earliest effort to generate low-cost, eco-friendly, effective and reusable catalyst from waste aluminium foil and carbide slag for biodiesel production.

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“…Traditionally, researchers have examined new methods for improving the wet washing process and reducing the consumed water. The standard techniques proposed are washing with water, citric acid, sulfur acid, and the use of silica gel [47][48][49]. Different wet washing methods, namely deionized water and hot water washing [50], acidified water purification [51], and dissolving in organic solvents have been studied to improve the process concerning the separation of impurities from biodiesel [52].…”

Section: Introductionmentioning

confidence: 99%