Biodiesel production from shrimp shell lipids: Evaluating ZnO nanoparticles as a catalyst

IF 6 Q1 ENGINEERING, MULTIDISCIPLINARY
Christopher Selvam Damian , Devarajan Yuvarajan , T. Raja , Gautam Choubey , Dinesh Babu Munuswamy
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引用次数: 0

Abstract

This work examines shrimp shell waste as a promising raw material for biodiesel production. Prawn shells, comprising 30–40 % protein, 20–30 % chitin, and 20–30 % calcium carbonate, also contain lipids that can be efficiently converted into biodiesel, with solvent extraction yielding 90 % of lipids. The use of ZnO nanoparticles as a catalyst boosts biodiesel production from 80 % to 95 %, increasing catalytic activity by 20 %. Recent advancements in ZnO synthesis have reduced production costs by 15–20 %, making ZnO an attractive catalyst due to its reusability and stability over multiple cycles. Additionally, converting chitin from shrimp shells into chitosan has economic potential, reducing waste by 50,000 tons annually and generating $10–15 million in revenue. However, challenges remain, including the scalability of lipid extraction and the durability of ZnO nanoparticles, which can decline by 10–15 % over time. Further research is required to enhance ZnO stability and improve large-scale lipid extraction methods. This work underscores biodiesel's environmental and economic benefits, supporting global sustainability efforts through waste reduction and renewable energy expansion.
虾壳脂生产生物柴油:评价ZnO纳米颗粒作为催化剂
本研究考察了虾壳废弃物作为生物柴油生产原料的前景。虾壳含有30 - 40%的蛋白质,20 - 30%的甲壳素和20 - 30%的碳酸钙,还含有脂质,可以有效地转化为生物柴油,溶剂萃取产生90%的脂质。使用ZnO纳米颗粒作为催化剂将生物柴油的产量从80%提高到95%,催化活性提高了20%。氧化锌合成的最新进展使生产成本降低了15 - 20%,由于其在多个循环中的可重复使用和稳定性,使氧化锌成为一种有吸引力的催化剂。此外,将虾壳中的几丁质转化为壳聚糖具有经济潜力,每年可减少5万吨废物,产生1000万至1500万美元的收入。然而,挑战仍然存在,包括脂质提取的可扩展性和氧化锌纳米颗粒的耐久性,随着时间的推移可能会下降10 - 15%。需要进一步的研究来提高氧化锌的稳定性和改进大规模的脂质提取方法。这项工作强调了生物柴油的环境和经济效益,通过减少废物和扩大可再生能源,支持全球可持续发展努力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Results in Engineering
Results in Engineering Engineering-Engineering (all)
CiteScore
5.80
自引率
34.00%
发文量
441
审稿时长
47 days
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