d-Limonene extraction from Citrus reticulata Blanco wastes with compressed propane and supercritical CO2

IF 3.4 3区工程技术 Q2 CHEMISTRY, PHYSICAL Journal of Supercritical Fluids Pub Date : 2024-10-16 DOI:10.1016/j.supflu.2024.106426

Marcelle Guth de Freitas Batista, Giulia Herbst, Mônica Beatriz Kolicheski, Fernando A.P. Voll, Marcos L. Corazza

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Abstract

In this study, the use of supercritical CO₂ (scCO₂), and compressed propane (CP) were applied to obtain a crude extract rich in d-limonene (DL) from Ponkan waste from the juice industry. The moisture content of the dried waste was 8.53 % and a particle size of 28 mesh was determined for the extractions. Soxhlet extraction was performed with 5 g of waste and 150 mL of n-hexane and showed an extraction yield of 1.94 % with a DL fraction of 44.83 %. The experimental design was carried out for scCO₂ and CP and the condition that resulted in the highest extraction yield (1.50 %) and DL fraction (89.01 %) using scCO₂ was 80 °C and 20 MPa, while when C₃H₈ was used, the highest extraction yield (2.35 %) and DL fraction (89.38 %) were obtained at 40 °C and 15 MPa. The results show that scCO₂ and C₃H₈ are selective solvents for DL extraction.

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用压缩丙烷和超临界二氧化碳从布兰科柑橘废料中提取 d-柠檬烯

本研究采用超临界二氧化碳（scCO2）和压缩丙烷（CP）从果汁工业的椪柑废料中提取富含d-柠檬烯（DL）的粗萃取物。干燥废料的含水量为 8.53%，萃取粒度为 28 目。用 5 克废物和 150 毫升正己烷进行索氏提取，提取率为 1.94%，DL 部分为 44.83%。对 scCO2 和 CP 进行了实验设计，使用 scCO2 时，萃取率（1.50 %）和 DL 馏分（89.01 %）最高的条件是 80 °C 和 20 MPa，而使用 C3H8 时，萃取率（2.35 %）和 DL 馏分（89.38 %）最高的条件是 40 °C 和 15 MPa。结果表明，scCO2 和 C3H8 是萃取 DL 的选择性溶剂。

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来源期刊

Journal of Supercritical Fluids 工程技术-工程：化工

CiteScore

7.60

自引率

10.30%

发文量

236

审稿时长

56 days

期刊介绍： The Journal of Supercritical Fluids is an international journal devoted to the fundamental and applied aspects of supercritical fluids and processes. Its aim is to provide a focused platform for academic and industrial researchers to report their findings and to have ready access to the advances in this rapidly growing field. Its coverage is multidisciplinary and includes both basic and applied topics. Thermodynamics and phase equilibria, reaction kinetics and rate processes, thermal and transport properties, and all topics related to processing such as separations (extraction, fractionation, purification, chromatography) nucleation and impregnation are within the scope. Accounts of specific engineering applications such as those encountered in food, fuel, natural products, minerals, pharmaceuticals and polymer industries are included. Topics related to high pressure equipment design, analytical techniques, sensors, and process control methodologies are also within the scope of the journal.