Valorization of Marine Ulva Lactuca Seaweed and Freshwater Azolla Filiculoides Macroalgae Feedstocks Toward Biodiesel Production: A Comparative Study

Binhweel, Fozy; Pyar, Hassan; Senusi, Wardah; Shaah, Marwan Abdulhakim; Hossain, Md. Sohrab; Ahmad, Mardiana Idayu

doi:10.2139/ssrn.4181172

Cited by 1 publication

(1 citation statement)

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“…On their publication, Yang et al 38 established a generic rate equation that is grounded in the LHHW mechanism. This rate equation is derived with the presumption that the alcohol and adsorbed triglyceride surface reaction is the step that determines the rate 39 . We may express this rate equation as follows: where are kf and kr, forward and reverse reaction rate constant of the rate determining step.…”

Section: Resultsmentioning

confidence: 99%

Facile synthesis of iron nanoparticles from Camellia Sinensis leaves catalysed for biodiesel synthesis from Azolla filiculoides

Sundararaman,

Karthikeyan,

Aravind kumar

et al. 2024

Sci Rep

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Recent years have seen an increase in research on biodiesel, an environmentally benign and renewable fuel alternative for traditional fossil fuels. Biodiesel might become more cost-effective and competitive with diesel if a solid heterogeneous catalyst is used in its production. One way to make biodiesel more affordable and competitive with diesel is to employ a solid heterogeneous catalyst in its manufacturing. Based on X-ray diffraction (XRD) and Fourier Transform infrared spectroscopy (FTIR), the researchers in this study proved their hypothesis that iron oxide core–shell nanoparticles were generated during the green synthesis of iron-based nanoparticles (FeNPs) from Camellia Sinensis leaves. The fabrication of spherical iron nanoparticles was successfully confirmed using scanning electron microscopy (SEM). As a heterogeneous catalyst, the synthesised catalyst has shown potential in facilitating the conversion of algae oil into biodiesel. With the optimal parameters (0.5 weight percent catalytic load, 1:6 oil—methanol ratio, 60 °C reaction temperature, and 1 h and 30 min reaction duration), a 93.33% yield was attained. This may be due to its acid–base property, chemical stability, stronger metal support interaction. Furthermore, the catalyst was employed for transesterification reactions five times after regeneration with n-hexane washing followed by calcination at 650 °C for 3 h.

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