Method for preparing tobacco herbal fragrant substance for cigarette solution of electronic cigarette
A technology of e-cigarette liquid and fragrance substances, which is applied in the fields of tobacco, tobacco processing, application, etc., can solve the problems of low extraction rate of solid materials, high extraction pressure, and low mass transfer efficiency, so as to ensure product quality stability and Safety, enhanced extraction process, high yield effect
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Embodiment 1
[0020] The waste tobacco leaves are cleaned of impurities, dried to a moisture content of 6%, and pulverized into 20 meshes. Weigh 1 kg of pulverized waste tobacco leaves, add 2 kg of ethanol with a mass fraction of 95% and soak for 24 hours, use an ultrasonic cell pulverizer to perform ultrasonic cell pulverization treatment for 15 min, and then put it into a 5 L high-voltage pulse electric field-strengthened supercritical CO 2 Extraction kettle for extraction. Wherein: ultrasonic condition is: ultrasonic frequency 20KHz, ultrasonic power 400W, ultrasonic interval 15s, extraction condition is: electric field strength 20KV / cm, pulse number is 10, extraction pressure 25MPa, extraction temperature 50 ℃, extraction time 2h, CO 2 The flow rate is 15L / h, and the amount of entrainer (propylene glycol / 95% ethanol / distilled water=4 / 3 / 3 (mass ratio)) is CO 2 4% of the volume. Pass the extracted mixture into separation kettle 1 and separation kettle 2 for separation, and recover CO 2...
Embodiment 2
[0023] The waste tobacco leaves are cleaned of impurities, dried to a moisture content of 6%, and pulverized into 30 meshes. Weigh 1 kg of pulverized waste tobacco leaves, add 2.5 kg of ethanol with a mass fraction of 98% and soak for 26 h, use an ultrasonic cell pulverizer to perform ultrasonic cell pulverization for 20 min, and then put it into 5 L of supercritical CO 2 Extraction kettle for extraction. Wherein: ultrasonic condition is: ultrasonic frequency 20KHz, ultrasonic power 400W, ultrasonic interval 10s, extraction condition is: electric field intensity 40KV / cm, pulse number is 12, extraction pressure 25MPa, extraction temperature 55 ℃, extraction time 2h, CO 2 The flow rate is 20L / h, and the amount of entrainer (propylene glycol / 95% ethanol / distilled water=4 / 3 / 3 (mass ratio)) is CO 2 8% of the volume. Pass the extracted mixture into separation kettle 1 and separation kettle 2 for separation, and recover CO 2 . The separation conditions are as follows: the pressur...
Embodiment 3
[0026]The waste tobacco leaves are cleaned of impurities, dried to a moisture content of 6%, and pulverized into 20 meshes. Weigh 1 kg of pulverized waste tobacco leaves, add 1.5 kg of ethanol with a mass fraction of 90% and soak for 20 h, use an ultrasonic cell pulverizer to perform ultrasonic cell pulverization for 15 min, and then put it into a supercritical high-voltage pulsed electric field-strengthened supercritical cell with a volume of 5 L. CO 2 Extraction kettle for extraction. Wherein: ultrasonic condition is: ultrasonic frequency 20KHz, ultrasonic power 400W, ultrasonic interval 10s, extraction condition is: electric field strength 20KV / cm, pulse number is 8, extraction pressure 25MPa, extraction temperature 40 ℃, extraction time 1.5h, CO 2 The flow rate is 10L / h, and the amount of entrainer (propylene glycol / 95% ethanol / distilled water=4 / 3 / 3 (mass ratio)) is CO 2 4% of the volume. Pass the extracted mixture into separation kettle 1 and separation kettle 2 for se...
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