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Supercritical CO2 method for extracting barbadosnut seed oil and product thereof

A Jatropha curcas seed and supercritical technology is applied in the direction of oil/fat production and fat production, which can solve the problems of organic solvent residue, poor oil sensory quality, low yield and the like, and achieves improved extraction rate, easy operation and extraction. high rate effect

Inactive Publication Date: 2010-07-14
SICHUAN AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The object of the present invention is to provide a kind of supercritical CO 2 The method for extracting jatropha seed oil solves the disadvantages of residual organic solvent, many impurities, low yield and poor sensory quality of the oil in the extraction of jatropha seed oil by using the prior art

Method used

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  • Supercritical CO2 method for extracting barbadosnut seed oil and product thereof
  • Supercritical CO2 method for extracting barbadosnut seed oil and product thereof
  • Supercritical CO2 method for extracting barbadosnut seed oil and product thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0051] In step 1, the husked kernels of mature Jatropha curcas seeds are pulverized by a high-speed pulverizer and sieved to a particle size of 10 mesh.

[0052] Step 2, put the Jatropha curcas seed kernel after the above-mentioned pulverization into supercritical CO 2 In the extraction kettle of the extraction device, at an extraction temperature of 40°C and an extraction pressure of 30 MPa, CO 2 Under the condition of a flow rate of 25 L / h, extract for 30 minutes to obtain the extract. During this period, 95% ethanol is added as an entraining agent, and the added amount is 20% of the Jatropha curcas seed kernel by weight.

[0053] Step 3, using the decompression and heating method to separate the extract at a separation pressure of 6.5MPa and a separation temperature of 50°C, supercritical CO 2 The fluid becomes a gas and is recovered.

[0054] Step four, from supercritical CO 2 The extraction liquid is collected in the separation kettle of the extraction device, weighed...

Embodiment 2

[0056] In step 1, the husked kernels of the mature Jatropha curcas seeds are pulverized by a high-speed pulverizer and sieved to a particle size of 40 mesh.

[0057] Step 2, put the Jatropha curcas seed kernel after the above-mentioned pulverization into supercritical CO 2 In the extraction kettle of the extraction device, at an extraction temperature of 50°C and an extraction pressure of 40 MPa, CO 2 Under the condition of a flow rate of 30L / h, extract for 150min to obtain the extract. During this period, 95% ethanol is added as an entraining agent, and the added amount is 100% of the Jatropha curcas kernel by weight.

[0058] Step 3, using the method of decompression and heating to separate the extract under the conditions of separation pressure 7.0MPa and separation temperature 50°C, supercritical CO 2 The fluid becomes a gas and is recovered.

[0059] Step four, from supercritical CO 2 The extraction liquid is collected in the separation kettle of the extraction device...

Embodiment 3

[0061] In step 1, the husked kernels of mature Jatropha curcas seeds are pulverized by a high-speed pulverizer, and sieved, with a particle size of 20 mesh.

[0062] Step 2, put the Jatropha curcas seed kernel after the above-mentioned pulverization into supercritical CO 2 In the extraction kettle of the extraction device, at an extraction temperature of 45°C and an extraction pressure of 35MPa, CO 2 Under the condition of a flow rate of 28 L / h, extract for 90 minutes to obtain the extract. During this period, 95% ethanol is added as an entraining agent, and the added amount is 60% of the Jatropha curcas seed kernel by weight ratio.

[0063] Step 3, using the method of decompression and heating to separate the extract under the conditions of separation pressure 6.8MPa and separation temperature 50°C, supercritical CO 2 The fluid becomes a gas and is recovered.

[0064] Step four, from supercritical CO 2 The extraction liquid is collected in the separation kettle of the ext...

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Abstract

The invention discloses a method for extracting barbadosnut seed oil by supercritical CO2 extraction technology. The method comprises the following raw materials and processes: decladding barbadosnut seed, grinding and sieving, wherein the extraction ratio of barbadosnut seed oil is 93.13-94.41% under the condition that the particle size of raw materials is 20 mesh, the extracting pressure is 37.73 MPa, the extracting temperature is 44.53 DEG C, the CO2 flow rate is 30 L / h, the extraction time is 120min, the usage of entrainer is 40%, the separation pressure is 6.5-7.0 MPa, and the separation temperature is 50 DEG C. By adopting the supercritical CO2 technology for extracting barbadosnut seed oil, a new method for the deep processing of the barbadosnut seed is provided, thereby being capable of effectively developing the research on supercritical CO2 extraction of extracting the barbadosnut seed oil. The invention has the advantages of strong operability, good safety, high oil extraction ratio, good repeatability, simple process, no pollution and the like, and can be used for extracting the barbadosnut seed oil during production.

Description

technical field [0001] The invention relates to the technical field of vegetable oil extraction, relates to the production of jatropha seed oil by utilizing the jatropha seed kernel, and particularly relates to the utilization of critical CO 2 Extraction of jatropha seed oil by fluid extraction technique. Background technique [0002] Jatropha curcas, a plant of the genus Jatropha in the Euphorbiaceae family. It is an ideal wild woody oil and medicinal tree species (Zhong Zhiquan. Jatropha - a promising energy plant [J]. Tropical Plant Research, 1984, (2): 62-65). Jatropha seed oil can be used as a laxative, and can also be widely used in the treatment of various skin diseases and to alleviate the pain of diseases such as rheumatism, and can also be applied to alkyd resin and soap manufacture (Y.Wang, H.Wu, M.H.Zong.Improvement of biodieselproduction by lipozyme TL IM-catalyzed methanolysis using responsesurface methodology and acyl migration enhancer[J].BioresourceTechnol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B1/10
Inventor 蒲彪廖念和吴维雄钟华叶萌张志清胡旭
Owner SICHUAN AGRI UNIV
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