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Supercritical CO2 extraction method and system for increasing yield of spice essential oil

A supercritical and spice technology, which is applied in the direction of essential oil/fragrance, fat production, etc., can solve the problems of low extraction effect, achieve uninterrupted extraction time, reduce extraction efficiency, and prolong working time

Pending Publication Date: 2020-03-24
韩城市宏达花椒香料有限公司
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Problems solved by technology

[0005] The object of the present invention is to provide a kind of supercritical CO that improves spices essential oil obtaining rate 2 Extraction method and its system to improve the problem of low extraction effect due to the replacement of materials in the extraction kettle

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  • Supercritical CO2 extraction method and system for increasing yield of spice essential oil

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Embodiment Construction

[0024] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0025] The present invention also discloses a supercritical CO 2 Extraction system, the system includes six extraction tanks and corresponding six extraction channels, all six extraction tanks are used to hold spices, and the supercritical CO 2 The essential oil in the spices is extracted, and the two adjacent extraction kettles are connected through series valves, and each extraction kettle is connected with supercritical CO 2 The storage tank 8 and the separation tower 7 are connected to each other to form six extraction passages, and the six extraction passages are formed by successively adjacent three extraction kettles and supercritical CO 2 The storage tank 8 and the separation tower 7 are connected, and the six extraction passages work in a cycle, including a preliminary passage and a starting passage, and the preliminary passage is s...

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Abstract

The invention discloses a supercritical CO2 extraction method and system for increasing the yield of spice essential oil. The system comprises six extraction kettles and six corresponding extraction passages. The six extraction kettles are all used for containing spices and introducing supercritical CO2 to extract the essential oil in the spices. Every two adjacent extraction kettles are communicated through a string valve, and the extraction kettles are communicated with a supercritical CO2 storage tank and a separation tower to form the six extraction passages. The six extraction passages are formed by sequentially communicating three adjacent extraction kettles with the supercritical CO2 storage tank and the separation tower, and the six extraction passages are connected in series and circularly work. According to the invention, the six extraction kettles are communicated with one another through the six extraction passages for cyclic extraction, uninterrupted extraction time is ensured, and the extraction efficiency is improved. Through communication of the extraction kettles, it is ensured that there are three extraction kettles performing extraction work and circulating alternately at any time, and the phenomena that the working time is prolonged and the extraction efficiency is reduced due to material replacement of the extraction kettles are thoroughly avoided.

Description

【Technical field】 [0001] The invention belongs to the technical field of spice oleoresin extraction, and in particular relates to a supercritical CO 2 Extraction method and system thereof. 【Background technique】 [0002] Supercritical fluid has the diffusivity similar to gas and the dissolving ability of liquid, and at the same time has the characteristics of low viscosity and low surface tension, so that supercritical fluid can quickly penetrate into microporous substances. Therefore, when used for extraction, the extraction rate is faster and more effective than that of liquid, especially the solubility can change with temperature, pressure and polarity. The supercritical fluid extraction and separation process is carried out by using the relationship between the dissolving ability of supercritical fluid and its density, that is, using the influence of pressure and temperature on the dissolving ability of supercritical fluid. The single-phase state between gases has a de...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B9/02
CPCC11B9/025
Inventor 陈双亭陈自强党利辉
Owner 韩城市宏达花椒香料有限公司
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