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Using orange peels as a raw material for the extraction of essential oils represents an innovative and sustainable approach to utilizing agro-industrial waste. This study developed a simulation model in Aspen Plus to optimize the extraction process of D-limonene-rich essential oil from orange peels. Comprehensive physicochemical analyses, including ultimate analysis (ultanal), sulfur analysis (sulfanal), and proximate analysis (proxanal), were performed using data from previous studies in Peru, Colombia, and Ecuador. The main objective was to evaluate the behavior and efficiency of the extraction process, identify optimal operating conditions, and improve the yield of D-limonene, a compound with significant industrial applications. The simulation provided accurate thermodynamic and transport properties predictions, detailed flow diagrams, and sensitivity analyses. Key findings included optimal temperature ranges for the separation stages (25  \(^\circ \) C to 30  \(^\circ \) C for the first separator), achieving approximately 89.4% D-limonene. Solvent recovery was efficient, with 80% diethyl ether and nearly complete water recirculation. This study demonstrates an efficient process for converting abundant citrus waste into value-added products, contributing to waste reduction and resource efficiency in the citrus industry.

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Simulation of Operational Parameters of D-Limonene Process Extraction From Citrus Sinensis Valencia Peel Agro-Industrial Waste

  • 会议论文

  • 发表日期：

    2025年

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  • Ronald Villacís-Armijos,
  • Jonathan Sayavedra-Delgado,
  • Yuliana Valdiviezo-Cuenca,
  • Carlos Navas-Cardenas

摘要

Using orange peels as a raw material for the extraction of essential oils represents an innovative and sustainable approach to utilizing agro-industrial waste. This study developed a simulation model in Aspen Plus to optimize the extraction process of D-limonene-rich essential oil from orange peels. Comprehensive physicochemical analyses, including ultimate analysis (ultanal), sulfur analysis (sulfanal), and proximate analysis (proxanal), were performed using data from previous studies in Peru, Colombia, and Ecuador. The main objective was to evaluate the behavior and efficiency of the extraction process, identify optimal operating conditions, and improve the yield of D-limonene, a compound with significant industrial applications. The simulation provided accurate thermodynamic and transport properties predictions, detailed flow diagrams, and sensitivity analyses. Key findings included optimal temperature ranges for the separation stages (25  \(^\circ \) C to 30  \(^\circ \) C for the first separator), achieving approximately 89.4% D-limonene. Solvent recovery was efficient, with 80% diethyl ether and nearly complete water recirculation. This study demonstrates an efficient process for converting abundant citrus waste into value-added products, contributing to waste reduction and resource efficiency in the citrus industry.