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

Abstract

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.

Insight into the Recent Advances in Sustainable Biodiesel Production by Catalytic Conversion of Vegetable Oils: Current Trends, Challenges, and Prospects

“…Reports declared that metal oxides can exhibit high transesterification efficiency during the production of biodiesel from vegetable oils as a result of their obtainability and high thermal stability. 131 Their eco-friendly characteristics and applicability in the single or combined forms of various metal oxides increased their importance in this industry, as reported in Table 1.…”

A Review on Metal–Organic Framework as a Promising Catalyst for Biodiesel Production

“…As a result, reducing FFA before trans-esterifying lowquality oil into biodiesel is crucial. 38,39 To overcome these issues, several strategies such as technological innovations, highefficiency catalyst development, and the research of alternative feedstocks have been researched to synthesize biodiesel as a cost-effective and competitive replacement for diesel fuel. 40,41 Among these, developing catalyst systems are found to offer a large number of benefits and advantages.…”

Crystal plane-integrated strontium oxide/hexagonal boron nitride nanohybrids for rapid electrochemical sensing of anticancer drugs in human blood serum samples

“…Consequently, the synergistic impact and electrical contact between the nanoparticles (NPs) and h-BN make the heterojunction (HJ) of NPs on h-BN as a preeminent choice for electrocatalytic materials. Moreover, among the vital metal oxides, strontium oxide (SrO) is utilized in various elds such as CO 2 reduction, 28 biodiesel production, 29 energy storage, 30 in vitro bioactivities, 31 supercapacitors, 32,33 and multiple photocatalyst activity. [34][35][36][37] Furthermore, the incorporation of SrO into the h-BN composite enhances the specic conductivity, ion diffusion rate, and mechanical stability, primarily through the interphase region between SrO and h-BN.…”