期刊
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
卷 157, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.rser.2021.112012
关键词
Biodiesel; Heterogenous catalysis; Clean energy; and sustainable environment
资金
- Deanship of Scientific Research at King Khalid University [RGP.2/49/42]
- project Sustainable Process Integration Laboratory - SPIL [CZ.02.1.01/0.0/0.0/15_003/0000456]
- Operational Programme Research, Develop-ment and Education of the Czech Ministry of Education, Youth and Sports by EU European Structural and Investment Funds, Operational Programme Research, Development and Education
The traditional method of biodiesel synthesis is costly on an industrial scale, but using heterogeneous catalysis can reduce costs and increase reusability. Heterogeneous catalysts have acid-based, surface, and pore tuning characteristics that enhance process flexibility. Using heterogeneous catalysts allows for simple, safe, cost-effective, and efficient biodiesel production.
The traditional method of biodiesel synthesis is costly on industrial scale. Hence, heterogeneous catalysis is crucial in minimizing end-product costs thanks to high durability, efficiency, and substantial reusability. A significant criterion for impacting the biological production and survival of the farm is the renewable benefit of biodiesel feedstock and catalyst. The state-of-the-art biodiesel processing technologies for easy and low-cost production processes paid great attention to heterogeneous catalysts. The unique feature of the heterogeneous catalyst is its acid-based, surface, and pore tuning characteristics, which significantly enhance its flexible process feedstock. This review deals with the generations of biofuels, an overview of biodiesel synthesis and production processes, biodiesel production steps, raw materials for biodiesel production, heterogeneous catalysis, advantages of solid acid catalysis, the chemistry of heterogeneous acid catalysis, mechanism of heterogeneous acid catalysis, factors influencing the transesterification reaction, physico-chemical properties, purification of crude biodiesel, physico-chemical characterization of biodiesel, problems associated with the currently employed catalysts for biodiesel production, disadvantages and potential remedies with strong acid catalysts. Because of advanced technologies, there are several benefits to using heterogenous catalysts, such as simple, safe, cost-effective, and efficient biodiesel manufacturing. This review suggests that the utilization of heterogenous catalysts as solid catalysts in biodiesel synthesis looks promising.
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