A method for continuous phase change extraction of pomelo fruit essential oil and naringin
A naringin and extraction technology, applied in chemical instruments and methods, essential oils/fragrance, organic chemistry, etc., can solve the problems of hot water extraction method with many impurities, less application, increased cost, etc.
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Embodiment 1
[0033] Embodiment 1: a kind of method of continuous phase change continuous extraction pomelo essential oil and naringin, comprises the following steps:
[0034] (1) Crush the dried pomelo granules that have been selected and removed from impurities to 20 meshes, and dry them at a temperature of 50°C to control the water content to ≤15%, so as to obtain pomelo raw materials.
[0035] (2) Weigh 10kg of the processed pomelo fruit raw material, put it into the extraction kettle of the continuous phase change extraction device, open the access switch, discharge the air in the system, and slowly introduce 25L of n-butane. Under the condition of extraction pressure of 1Mpa, it flows into the extraction kettle at a flow rate of 120L / h, and the continuous extraction time is 60min. After the pomelo fruit essential oil is extracted, it flows into the analysis kettle. , decompression to vaporize and separate the n-butane, collect it into the n-butane storage tank, and then liquefy it int...
Embodiment 2
[0037] Embodiment 2: a kind of method of continuous phase change continuous extraction pomelo essential oil and naringin, comprises the following steps:
[0038] (1) Grinding the dried pomelo granules after removing impurities to 40 mesh, drying at 40°C, and controlling the moisture content to ≤15%, to obtain pomelo raw materials.
[0039] (2) Weigh 10kg of the treated pomelo fruit raw material, put it into the extraction kettle of the continuous phase change extraction device, open the access switch, discharge the air in the system, slowly introduce 30L of n-butane, and extract at an extraction temperature of 40°C, Under the condition of extraction pressure of 1Mpa, it flows into the extraction kettle at a flow rate of 150L / h, and the continuous extraction time is 80min. After extracting the essential oil of pomelo fruit, it flows into the analysis kettle. , decompression to vaporize and separate the n-butane, collect it into the n-butane storage tank, and then liquefy it int...
Embodiment 3
[0041] Embodiment 3: a kind of method of continuous phase change continuous extraction pomelo essential oil and naringin, comprises the following steps:
[0042] (1) Grinding the dried pomelo granules after removing impurities to 60 mesh, drying at 50°C, and controlling the moisture content to ≤15%, to obtain pomelo raw materials.
[0043] (2) Weigh 10kg of the processed pomelo fruit raw material, put it into the extraction kettle of the continuous phase change extraction device, open the access switch, discharge the air in the system, and slowly introduce 25L isobutane (R600a), at the extraction temperature Under the conditions of 50°C and extraction pressure of 0.6Mpa, it circulates into the extraction kettle at a flow rate of 100L / h, and the continuous extraction time is 80min. After extracting the essential oil of pomelo fruit, it flows into the desorption kettle. The extractant is vaporized and separated from isobutane (R600a) by heating and depressurizing, and flows into...
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