Reusability enhancement of combustion synthesized MgO/MgAl 2 O 4 nanocatalyst in biodiesel production by glow discharge plasma treatment

Vahid, Behgam Rahmani; Haghighi, Mohammad; Alaei, Shervin; Toghiani, Javad

doi:10.1016/j.enconman.2017.03.075

Cited by 63 publications

(10 citation statements)

References 67 publications

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“…. The surface areas of nanocatalysts are small, resulting in increased activity over conventional catalysts.Further, they are highly stable, possess superior saponification resistance, and have an effective surface/volume ratio and high reusability(Rahmani Vahid et al 2017). Nanocatalysts can be synthesized by a range of techniques, including high-temperature, microwave burning,…”

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confidence: 99%

Effect of nanocatalysts on the transesterification reaction of first, second and third generation biodiesel sources- A mini-review

et al. 2021

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confidence: 99%

Effect of nanocatalysts on the transesterification reaction of first, second and third generation biodiesel sources- A mini-review

et al. 2021

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“…EDX analysis was carried out to determine the distribution of the elements on each catalyst surface and its impact on the activity of the catalysts in the reaction [40,41]. EDX-dot mapping analysis was used for both CuO/MgAl 2 O 4 and CuO/MgFe 2 O 4 catalysts, respectively.…”

Section: Resultsmentioning

confidence: 99%

Mechanochemical Synthesis of CuO/MgAl2O4 and MgFe2O4 Spinels for Vanillin Production from Isoeugenol and Vanillyl Alcohol

et al. 2019

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CuO/MgAl2O4 and CuO/MgFe2O4 catalysts were successfully synthesized with the use of spinel supports by a very simple and low-cost mechanochemical method. High-speed ball-milling was used to synthesize these catalyst supports for the first time. Materials were subsequently characterized by using XRD, FESEM, TEM, EDS-Dot mapping, XPS, BET-BJH, and Magnetic Susceptibility to investigate the physical-chemical characteristics of the catalysts. Acidity evaluation results indicated that the catalyst with the Mg-Al spinel support had more acid sites. XRD results showed a successful synthesis of the catalysts with large crystal sizes. Both catalysts were used in isoeugenol oxidation and vanillyl alcohol to vanillin reactions, with the CuO/MgAl2O4 showing optimum results. This catalyst provided 67% conversion (74% selectivity) after 2 h and this value improved to 81% (selectivity 100%) with the second reaction after 8 h. The CuO/MgFe2O4 catalyst in the first reaction after five hours revealed 53% conversion (47% selectivity) and after eight hours with the second reaction, the conversion value improved to 64% (100% selectivity). In terms of reusability, CuO/MgAl2O4 showed better results than the CuO/MgFe2O4 catalyst, for both reactions.

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“…Meanwhile, research has been carried out on the influence of nano-catalyst on triglycerides transesterification to FAMEs (Ashok et al, 2018;Dehghani and Haghighi, 2020;Foroutan et al, 2020;Liu et al, 2020), as the result can be seen in Table 5. The transesterification process of soybean oil production is improved using MgO as a catalyst (Rahmani Vahid et al, 2017). This process uses ferromagnetic ZnO nanocomposite as a solid catalyst for generating biodiesel from castor oil as a feedstock (Baskar et al, 2018).…”

Section: Nano-catalystsmentioning

confidence: 99%

A Review on the Recent Breakthrough Methods and Influential Parameters in the Biodiesel Synthesis and Purification

Silviana

Anggoro

Hadiyanto

et al. 2022

Int. J. Renew. Energy Dev.

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Biodiesel has recently received much attention as an energy source with numerous benefits such as high degradability, negligible toxicity, and minimal emissions of carbon monoxide gases as well as particulates. Therefore, this research aims to compare, review, and summarize the conventional and advanced methods of biodiesel production. Currently, some emerging processes that were developed for advanced biodiesel production include microwave-assisted synthesis, ultrasonic-assisted synthesis, supercritical transesterification, and liquid phase plasma discharge technology. The types of feedstocks, catalysts, and operating conditions as the influential parameters in biodiesel synthesis are also discussed. Moreover, in the purification process, the effectiveness of purification depends on the type of catalyst applied in the synthesis process. This research also reviewed and compared several commonly used purification methods such as wet and dry washing, ion exchange and precipitation, complexation, and membrane-based separation that have shown significant results along with the impacts of biodiesel production on environmental and economic sectors

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Reusability enhancement of combustion synthesized MgO/MgAl 2 O 4 nanocatalyst in biodiesel production by glow discharge plasma treatment

Cited by 63 publications

References 67 publications

Effect of nanocatalysts on the transesterification reaction of first, second and third generation biodiesel sources- A mini-review

Effect of nanocatalysts on the transesterification reaction of first, second and third generation biodiesel sources- A mini-review

Mechanochemical Synthesis of CuO/MgAl2O4 and MgFe2O4 Spinels for Vanillin Production from Isoeugenol and Vanillyl Alcohol

A Review on the Recent Breakthrough Methods and Influential Parameters in the Biodiesel Synthesis and Purification

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