Method for extracting fructus perillae oil through continuous phase transition
A perilla seed oil and perilla seed technology, which is applied in the direction of fat oil/fat production and fat production, can solve the problems of long extraction time, long pressing time, and large demand for extraction solvents, so as to reduce solvent consumption and energy low consumption, low extraction pressure and analytical pressure, and shortened extraction and separation time
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Embodiment 1
[0026] Embodiment 1: A kind of method of continuous phase change extraction perilla seed oil, comprises the following steps:
[0027] (1) Select high-quality perilla seeds after removing impurities, dry them at a temperature of 50°C, control the moisture content to ≤15%, and crush them to 60 mesh to obtain raw perilla seeds.
[0028] (2) Weigh 10kg of the processed perilla seed raw material, put it into the extraction kettle of the continuous phase change extraction device, feed 25L of n-butane, and under the conditions of extraction temperature 45°C and extraction pressure 0.5Mpa, flow rate The flow rate of 150L / h flows through the extraction kettle, and the continuous extraction lasts for 50min. After the perilla oil is extracted, it flows into the analysis kettle, the analysis temperature is 75°C, and the analysis pressure is 0.1Mpa. The gas is compressed into a liquid and then flows through the extraction kettle to extract the material again for recycling. The extracted p...
Embodiment 2
[0029] Embodiment 2: A kind of method of continuous phase change extraction perilla seed oil, comprises the following steps:
[0030] (1) Select high-quality perilla seeds after removing impurities, dry them at a temperature of 55°C, control the moisture content to ≤10%, and crush them to 40 mesh to obtain raw perilla seeds.
[0031] (2) Weigh 10kg of the processed perilla seed raw material, put it into the extraction kettle of the continuous phase change extraction device, feed 30L of n-butane, and under the conditions of extraction temperature 50°C and extraction pressure 0.6Mpa, flow rate The flow rate of 150L / h flows through the extraction kettle, and the continuous extraction lasts for 70min. After extracting the perilla seed oil, it flows into the analysis kettle, the analysis temperature is 75°C, and the analysis pressure is 0.2Mpa. The gas is compressed into a liquid and then flows through the extraction kettle to extract the material again for recycling. The extracte...
Embodiment 3
[0032] Embodiment 3: A kind of method of continuous phase change extraction perilla seed oil, comprises the following steps:
[0033] (1) Select high-quality perilla seeds after removing impurities, dry them at 60°C, control the water content to ≤10%, and crush them to 40 mesh to obtain raw perilla seeds.
[0034](2) Weigh 10kg of the processed perilla seed raw material, put it into the extraction kettle of the continuous phase-change extraction device, feed 25L of isobutane (R600a), under the conditions of extraction temperature 50°C and extraction pressure 0.6Mpa , flow through the extraction kettle at a flow rate of 120L / h, and continuously extract for 80min. After extracting the perilla seed oil, it flows into the analysis kettle, the analysis temperature is 65°C, and the analysis pressure is 0.3Mpa. (R600a) phase changes into gas, and then becomes liquid through compression, flows through the extraction tank, extracts the material again, and recycles it. The extracted pe...
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