Sustainable Biodiesel Production From Blends of Waste Cooking Oil and Microalgae Oil

ASME 2019 13th International Conference on Energy Sustainability Pub Date : 2019-12-03 DOI:10.1115/es2019-3951

D. Sugai, J. Vargas, W. Balmant, Priscila Paola Dario, L. C. Martinez, D. M. Taher

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Abstract

Waste cooking oil and microalgae oil could become alternative raw materials for biodiesel production in the global quest for energetic sustainability. However, the technical and economic viability of the biodiesel production process from these alternative sources has not been fully investigated yet, within the knowledge of the authors. Therefore, the main objective of this study is to carry out an exergetic and economical analysis of the biodiesel production process from blends of waste cooking oil and microalgae oil. Initially, the mass, energy and exergy balances of the process of the biodiesel production was conducted. Then, an optimization procedure was executed with the selected objective functions. The results showed that it is possible to optimize the process as a function of the ratio of destroyed exergy system by the amount of ester produced, generating a profit of $ 29.50 per second, for an ratio of oil/ethanol of 3.7/1. In conclusion, the proposed model can also be used in the future for performing the exergoeconomic optimization of biodiesel production processes from blends of waste cooking oil and microalgae oil, aiming at achieving process sustainability.

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利用废食用油和微藻油的混合物可持续生产生物柴油

在全球追求能源可持续性的过程中，废食用油和微藻油可以成为生产生物柴油的替代原料。然而，据作者所知，从这些替代来源生产生物柴油的技术和经济可行性尚未得到充分调查。因此，本研究的主要目的是对废食用油和微藻油的混合物生产生物柴油的过程进行经济分析。首先，进行了生物柴油生产过程的质量、能量和火用平衡。然后，对选定的目标函数进行优化。结果表明，在油/乙醇比为3.7/1的情况下，该工艺可以优化为酯产量破坏火能系统比率的函数，产生29.50美元/秒的利润。综上所述，该模型也可用于未来对废食用油和微藻油混合生产生物柴油的工艺进行最优经济优化，以实现工艺的可持续性。

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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ASME 2019 13th International Conference on Energy Sustainability

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