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Tobacco stem multistage utilization method based on supercritical CO2 extraction technology

An extraction technology and supercritical technology are applied in the field of multi-stage utilization of tobacco stems based on supercritical CO2 extraction technology, and can solve the problems of large loss of tobacco aroma components, inability to achieve efficient utilization of tobacco stem raw materials, and extensive process.

Active Publication Date: 2020-10-20
HUBEI CHINA TOBACCO IND +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, in the production of reconstituted tobacco leaf enterprises, the tobacco stems are mainly mixed with tap water and heated and extracted, and then solid-liquid separation is used to separate the solid insolubles and liquid solubles. The solid insolubles are directly beaten. The liquid can be After the solution is concentrated, it is coated on the surface of the substrate. This process is relatively extensive, and the efficient utilization of the raw material of the tobacco stem cannot be realized. The tobacco pigment in the tobacco stem is not enriched, and the loss of tobacco aroma components is large.

Method used

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  • Tobacco stem multistage utilization method based on supercritical CO2 extraction technology
  • Tobacco stem multistage utilization method based on supercritical CO2 extraction technology
  • Tobacco stem multistage utilization method based on supercritical CO2 extraction technology

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] S1: cutting the tobacco stem raw material into long sections, the tobacco stem raw material is cut into 2 cm long sections, and the impurities are removed through the air separation and impurity removal device to obtain tobacco stem sections;

[0032] S2: Fill the tobacco stem section with supercritical CO 2 In the extraction kettle of the extractor;

[0033] S3: Put the entrainer into the entrainer tank, use ethyl acetate with a concentration of 2% as the entrainer, and the amount of the entrainer added is 3% of the mass of the tobacco stem raw material;

[0034] S4: Start the carbon dioxide refrigeration and circulation system, control the pressure of the extraction kettle to 20MPa, the temperature to 40°C, the analytical pressure of the primary separation kettle to 4MPa, the temperature to 25°C, the analytical pressure of the secondary separation kettle to 1.5MPa, and the temperature to 10°C; the extraction time is 60-240min, After the system reaches the set value o...

Embodiment 2

[0041] S1: cutting the tobacco stem raw material into long sections, the tobacco stem raw material is cut into 4 cm long sections, and the impurities are removed through the air separation and impurity removal device to obtain tobacco stem sections;

[0042] S2: Fill the tobacco stem section with supercritical CO 2 In the extraction kettle of the extractor;

[0043] S3: Put the entrainer into the entrainer tank, use ethyl acetate with a concentration of 5% as the entrainer, and the amount of the entrainer added is 10% of the mass of the tobacco stem raw material;

[0044] S4: Start the carbon dioxide refrigeration and circulation system, control the pressure of the extraction kettle to 20-35MPa, the temperature to 50℃, the analytical pressure of the primary separation kettle to 6MPa, the temperature to 37℃, the analytical pressure to the secondary separation kettle to 3MPa, and the temperature to 20℃; the extraction time is 60-240min After the system reaches the set value of ...

Embodiment 3

[0051] S1: cutting the tobacco stem raw material into long sections, the tobacco stem raw material is cut into 6 cm long sections, and the impurities are removed through the air separation and impurity removal device to obtain tobacco stem sections;

[0052] S2: Fill the tobacco stem section with supercritical CO 2 In the extraction kettle of the extractor;

[0053] S3: Put the entrainer into the entrainer tank, use ethyl acetate with a concentration of 8% as the entrainer, and the amount of the entrainer added is 18% of the mass of the tobacco stem raw material;

[0054] S4: Start the carbon dioxide refrigeration and circulation system, control the pressure of the extraction kettle to 35MPa, the temperature to 460°C, the analytical pressure of the primary separation kettle to 8MPa, the temperature to 50°C, the analytical pressure of the secondary separation kettle to 4MPa, and the temperature to 30°C; the extraction time is 60-240min, and the system After reaching the set va...

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Abstract

The invention discloses a tobacco stem multistage utilization method based on a supercritical CO2 extraction technology. The invention provides a comprehensive utilization method of tobacco stems. Firstly, the tobacco stems are extracted through the supercritical CO2 extraction technology, the tobacco stems treated through the supercritical CO2 extraction technology are loose in structure, later fiber fibrillation is facilitated, energy consumption is reduced, and the fiber utilization effect is improved; the extract liquor in a primary separation kettle is rich in tobacco pigment and is usedfor producing reconstituted tobaccos after being separated and collected, so that the coloring effect of the reconstituted tobaccos can be improved, and the appearance quality of products is improved;aroma components in the extraction liquid in the secondary separation kettle are from the tobacco stems, the aroma characteristics are consistent with those of tobacco, and the aroma components are added into the coating liquid after being subjected to secondary separation and purification, so that the sensory quality of reconstituted tobacco products can be effectively improved.

Description

technical field [0001] The invention relates to the technical field of tobacco processing, in particular to a 2 Multi-stage utilization method of tobacco stems in extraction technology. Background technique [0002] At present, in the production of reconstituted tobacco leaf enterprises, the tobacco stems are mainly mixed with tap water and heated and extracted, and then solid-liquid separation is used to separate the solid insolubles and liquid solubles. The solid insolubles are directly beaten. The liquid can be After the solution is concentrated, it is coated on the surface of the substrate. This process is relatively extensive, and the efficient utilization of the raw material of the tobacco stem cannot be realized. The tobacco pigment in the tobacco stem is not enriched, and the tobacco aroma components are lost to a large extent. And the comprehensive utilization method of a kind of tobacco stem provided by the present invention, at first utilize supercritical CO 2 E...

Claims

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Application Information

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IPC IPC(8): A24B15/24A24B3/14
CPCA24B15/241A24B3/14Y02P20/54
Inventor 喻世涛问双双李鹏飞杨鑫童宇星
Owner HUBEI CHINA TOBACCO IND
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