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Current advances and future outlook of heterogeneous catalytic transesterification towards biodiesel production from waste cooking oil
Sustainable Energy & Fuels ( IF 5.0 ) Pub Date : 2024-02-14 , DOI: 10.1039/d3se01564e Nabanita Ghosh 1 , Mehulee Patra 1 , Gopinath Halder 1
Sustainable Energy & Fuels ( IF 5.0 ) Pub Date : 2024-02-14 , DOI: 10.1039/d3se01564e Nabanita Ghosh 1 , Mehulee Patra 1 , Gopinath Halder 1
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The judicious utilization of waste cooking oil (WCO) could be a viable option to curtail the production cost of biodiesel and mitigate the environmental issues related to waste disposal in landfills. The use of heterogeneous catalysts in biodiesel synthesis has been advocated as the most promising approach in recent years owing to their non-corrosive and easily separable nature and long catalytic life for recycling. However, WCO-derived biodiesel production by catalytic heterogeneous transesterification in large-scale industries is a barrier yet. Currently the majority of review articles emphasize on the progress of reactor configuration, and preparation of new catalyst based on the modifications of the catalyst's morphology. Concurrently, the synthesis of cost-competitive catalysts is also crucial for their commercial implementation. It is observed from a meticulous literature review that most of the catalysts used in biodiesel production are confined to the lab scale. For example, the synthesis of nanocatalysts is now an emerging area in biodiesel production, but practically it has not been feasible to use on a large scale. Therefore, biodiesel process development including cost effective heterogeneous catalysts is the need of the hour for its commercialization. In this paper, an integrated reactor design has been proposed for the heterogeneous catalytic transesterification process for biodiesel production towards commercial productivity and economic viability. Life cycle assessment of WCO-derived biodiesel production methods is also discussed. The efficiency and limitations of heterogeneous catalysts are summarized and compared in detail to assess their suitability in pragmatic applications with critical, theoretical, and scientific views. The present-day challenges and future outlooks are envisioned too.
中文翻译：
废弃食用油多相催化酯交换法生产生物柴油的研究进展及未来展望
明智地利用废弃食用油（WCO）可能是降低生物柴油生产成本并减轻与垃圾填埋场废物处理相关的环境问题的可行选择。近年来，多相催化剂在生物柴油合成中的使用被认为是最有前途的方法，因为它们具有无腐蚀性、易于分离的性质以及较长的催化剂回收寿命。然而，在大规模工业中通过催化非均相酯交换生产 WCO 衍生的生物柴油仍然是一个障碍。目前大多数综述文章都强调反应器结构的进展以及基于催化剂形貌修饰的新型催化剂的制备。同时，合成具有成本竞争力的催化剂对于其商业实施也至关重要。通过仔细查阅文献发现，生物柴油生产中使用的大多数催化剂仅限于实验室规模。例如，纳米催化剂的合成现在是生物柴油生产的一个新兴领域，但实际上大规模使用尚不可行。因此，包括具有成本效益的多相催化剂在内的生物柴油工艺开发是其商业化的迫切需要。本文提出了一种集成反应器设计，用于生物柴油生产的非均相催化酯交换工艺，以实现商业生产力和经济可行性。还讨论了 WCO 生物柴油生产方法的生命周期评估。详细总结和比较了多相催化剂的效率和局限性，以批判性、理论性和科学性的观点评估其在实际应用中的适用性。还展望了当前的挑战和未来的前景。
更新日期：2024-02-15
中文翻译：
废弃食用油多相催化酯交换法生产生物柴油的研究进展及未来展望
明智地利用废弃食用油（WCO）可能是降低生物柴油生产成本并减轻与垃圾填埋场废物处理相关的环境问题的可行选择。近年来，多相催化剂在生物柴油合成中的使用被认为是最有前途的方法，因为它们具有无腐蚀性、易于分离的性质以及较长的催化剂回收寿命。然而，在大规模工业中通过催化非均相酯交换生产 WCO 衍生的生物柴油仍然是一个障碍。目前大多数综述文章都强调反应器结构的进展以及基于催化剂形貌修饰的新型催化剂的制备。同时，合成具有成本竞争力的催化剂对于其商业实施也至关重要。通过仔细查阅文献发现，生物柴油生产中使用的大多数催化剂仅限于实验室规模。例如，纳米催化剂的合成现在是生物柴油生产的一个新兴领域，但实际上大规模使用尚不可行。因此，包括具有成本效益的多相催化剂在内的生物柴油工艺开发是其商业化的迫切需要。本文提出了一种集成反应器设计，用于生物柴油生产的非均相催化酯交换工艺，以实现商业生产力和经济可行性。还讨论了 WCO 生物柴油生产方法的生命周期评估。详细总结和比较了多相催化剂的效率和局限性，以批判性、理论性和科学性的观点评估其在实际应用中的适用性。还展望了当前的挑战和未来的前景。
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