大麻渣的加压萃取及液-液萃取纯化

IF 1.4 4区工程技术 Q3 ENGINEERING, CHEMICAL

Periodica Polytechnica Chemical Engineering Pub Date : 2021-11-19 DOI:10.3311/ppch.18456

J. Béri, Sara Nagy, Ádám Kolay Kovács, E. Vági, E. Székely

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引用次数: 4

摘要

以压力和温度为自变量，分别在8-10-12 MPa和323-333-343 K条件下，采用32全因子试验设计，对大麻脱粒渣进行了半连续加压液体提取(PLE)。用改进的双参数Brunner方程拟合了总酚和大麻二酚(CBD)的产率曲线。CBD在12 MPa、343 K条件下效果最好。与之前对相同材料的超临界流体萃取研究相比，溶剂用量和操作时间大大减少。此外，还评估了浓度分布以研究传质。在甲醇-己烷-水三元体系中进一步研究了冻干提取物对CBD分布比的影响，结果表明冻干提取物对甲醇的依赖性较高。

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Pressurized Liquid Extraction of Hemp Residue and Purification of the Extract with Liquid-Liquid Extraction

The first semi-continuous Pressurized Liquid Extraction (PLE) of hemp threshing residue with ethanol was carried out according to a 32 full factorial experimental design with pressure and temperature as independent variables at 8-10-12 MPa and 323-333-343 K, respectively. The total- and cannabidiol (CBD) yield curves were fitted to the modified two-parameter Brunner equation. Best results, concerning CBD, can be achieved at 12 MPa and 343 K. Solvent mass-consumption and operation time were considerably decreased compared to a previous supercritical fluid extraction study on the same material. Furthermore, the concentration profiles were evaluated to study the mass transfer. The winterized dry extracts were further studied in a methanol-hexane-water ternary system concerning CBD distribution ratio, showing high methanol dependency.

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来源期刊

Periodica Polytechnica Chemical Engineering ENGINEERING, CHEMICAL-

CiteScore

3.10

自引率

7.70%

发文量

审稿时长

>12 weeks

期刊介绍： The main scope of the journal is to publish original research articles in the wide field of chemical engineering including environmental and bioengineering.