CN110483359A - A kind of supercritical CO 2 extraction technology - Google Patents
A kind of supercritical CO 2 extraction technology Download PDFInfo
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- CN110483359A CN110483359A CN201910756192.1A CN201910756192A CN110483359A CN 110483359 A CN110483359 A CN 110483359A CN 201910756192 A CN201910756192 A CN 201910756192A CN 110483359 A CN110483359 A CN 110483359A
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- 238000000605 extraction Methods 0.000 title claims abstract description 98
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 71
- 240000007124 Brassica oleracea Species 0.000 claims abstract description 52
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 33
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 33
- 238000005469 granulation Methods 0.000 claims abstract description 17
- 230000003179 granulation Effects 0.000 claims abstract description 17
- 238000001035 drying Methods 0.000 claims abstract description 15
- 230000018044 dehydration Effects 0.000 claims abstract description 8
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 8
- 238000000926 separation method Methods 0.000 claims description 26
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 12
- UFTFJSFQGQCHQW-UHFFFAOYSA-N triformin Chemical compound O=COCC(OC=O)COC=O UFTFJSFQGQCHQW-UHFFFAOYSA-N 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 8
- 238000009833 condensation Methods 0.000 claims description 7
- 230000005494 condensation Effects 0.000 claims description 7
- 235000019484 Rapeseed oil Nutrition 0.000 claims description 6
- 235000019486 Sunflower oil Nutrition 0.000 claims description 6
- 235000019441 ethanol Nutrition 0.000 claims description 6
- 239000003549 soybean oil Substances 0.000 claims description 6
- 235000012424 soybean oil Nutrition 0.000 claims description 6
- 239000002600 sunflower oil Substances 0.000 claims description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 239000004408 titanium dioxide Substances 0.000 claims 1
- -1 triglyceride Ester Chemical class 0.000 claims 1
- KBPHJBAIARWVSC-XQIHNALSSA-N trans-lutein Natural products CC(=C/C=C/C=C(C)/C=C/C=C(C)/C=C/C1=C(C)CC(O)CC1(C)C)C=CC=C(/C)C=CC2C(=CC(O)CC2(C)C)C KBPHJBAIARWVSC-XQIHNALSSA-N 0.000 abstract description 16
- 235000012680 lutein Nutrition 0.000 abstract description 15
- 239000001656 lutein Substances 0.000 abstract description 15
- KBPHJBAIARWVSC-RGZFRNHPSA-N lutein Chemical compound C([C@H](O)CC=1C)C(C)(C)C=1\C=C\C(\C)=C\C=C\C(\C)=C\C=C\C=C(/C)\C=C\C=C(/C)\C=C\[C@H]1C(C)=C[C@H](O)CC1(C)C KBPHJBAIARWVSC-RGZFRNHPSA-N 0.000 abstract description 15
- 229960005375 lutein Drugs 0.000 abstract description 15
- ORAKUVXRZWMARG-WZLJTJAWSA-N lutein Natural products CC(=C/C=C/C=C(C)/C=C/C=C(C)/C=C/C1=C(C)CCCC1(C)C)C=CC=C(/C)C=CC2C(=CC(O)CC2(C)C)C ORAKUVXRZWMARG-WZLJTJAWSA-N 0.000 abstract description 15
- FJHBOVDFOQMZRV-XQIHNALSSA-N xanthophyll Natural products CC(=C/C=C/C=C(C)/C=C/C=C(C)/C=C/C1=C(C)CC(O)CC1(C)C)C=CC=C(/C)C=CC2C=C(C)C(O)CC2(C)C FJHBOVDFOQMZRV-XQIHNALSSA-N 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 2
- 229960004424 carbon dioxide Drugs 0.000 description 34
- 239000003921 oil Substances 0.000 description 11
- 235000019198 oils Nutrition 0.000 description 11
- 229910002090 carbon oxide Inorganic materials 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- JKQXZKUSFCKOGQ-JLGXGRJMSA-N (3R,3'R)-beta,beta-carotene-3,3'-diol Chemical compound C([C@H](O)CC=1C)C(C)(C)C=1/C=C/C(/C)=C/C=C/C(/C)=C/C=C/C=C(C)C=CC=C(C)C=CC1=C(C)C[C@@H](O)CC1(C)C JKQXZKUSFCKOGQ-JLGXGRJMSA-N 0.000 description 1
- 206010003210 Arteriosclerosis Diseases 0.000 description 1
- 201000004569 Blindness Diseases 0.000 description 1
- 206010047571 Visual impairment Diseases 0.000 description 1
- JKQXZKUSFCKOGQ-LQFQNGICSA-N Z-zeaxanthin Natural products C([C@H](O)CC=1C)C(C)(C)C=1C=CC(C)=CC=CC(C)=CC=CC=C(C)C=CC=C(C)C=CC1=C(C)C[C@@H](O)CC1(C)C JKQXZKUSFCKOGQ-LQFQNGICSA-N 0.000 description 1
- QOPRSMDTRDMBNK-RNUUUQFGSA-N Zeaxanthin Natural products CC(=C/C=C/C=C(C)/C=C/C=C(C)/C=C/C1=C(C)CCC(O)C1(C)C)C=CC=C(/C)C=CC2=C(C)CC(O)CC2(C)C QOPRSMDTRDMBNK-RNUUUQFGSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- JKQXZKUSFCKOGQ-LOFNIBRQSA-N all-trans-Zeaxanthin Natural products CC(=C/C=C/C=C(C)/C=C/C=C(C)/C=C/C1=C(C)CC(O)CC1(C)C)C=CC=C(/C)C=CC2=C(C)CC(O)CC2(C)C JKQXZKUSFCKOGQ-LOFNIBRQSA-N 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 235000006708 antioxidants Nutrition 0.000 description 1
- 208000011775 arteriosclerosis disease Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000005252 bulbus oculi Anatomy 0.000 description 1
- 235000021466 carotenoid Nutrition 0.000 description 1
- 150000001747 carotenoids Chemical class 0.000 description 1
- 230000005779 cell damage Effects 0.000 description 1
- 208000029078 coronary artery disease Diseases 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 210000001508 eye Anatomy 0.000 description 1
- 208000038015 macular disease Diseases 0.000 description 1
- 230000001613 neoplastic effect Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000008816 organ damage Effects 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 210000001525 retina Anatomy 0.000 description 1
- 208000029257 vision disease Diseases 0.000 description 1
- 230000004393 visual impairment Effects 0.000 description 1
- 235000010930 zeaxanthin Nutrition 0.000 description 1
- 239000001775 zeaxanthin Substances 0.000 description 1
- 229940043269 zeaxanthin Drugs 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C403/00—Derivatives of cyclohexane or of a cyclohexene or of cyclohexadiene, having a side-chain containing an acyclic unsaturated part of at least four carbon atoms, this part being directly attached to the cyclohexane or cyclohexene or cyclohexadiene rings, e.g. vitamin A, beta-carotene, beta-ionone
- C07C403/24—Derivatives of cyclohexane or of a cyclohexene or of cyclohexadiene, having a side-chain containing an acyclic unsaturated part of at least four carbon atoms, this part being directly attached to the cyclohexane or cyclohexene or cyclohexadiene rings, e.g. vitamin A, beta-carotene, beta-ionone having side-chains substituted by six-membered non-aromatic rings, e.g. beta-carotene
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
- C07C2601/16—Systems containing only non-condensed rings with a six-membered ring the ring being unsaturated
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Fats And Perfumes (AREA)
Abstract
The present invention provides a kind of supercritical CO 2 extraction technology, is related to extraction process technical field.The supercritical CO 2 extraction technology, the following steps are included: S1: granulation: taking cabbage mustard, by cabbage mustard drying and dewatering, dehydration rate is controlled 95% or more, then the cabbage mustard after drying is crushed with pulverizer again, it crushes 3-5 times, the cabbage mustard of crushing is pelletized repeatedly finally, manufactured grain graininess is 40-80 mesh；S2: extraction: the cabbage mustard after granulation is put into extraction equipment, while being passed through suitable entrainer into extraction equipment.By the way that the cabbage mustard after granulation is put into extraction equipment, suitable entrainer is passed through into extraction equipment simultaneously, booster pump and preheater is recycled so that carbon dioxide is reached critical state and be sent in extraction equipment, so that the extraction process of lutein is fairly simple, the effect of extracting of lutein obviously gets a promotion, while greatly reducing the unnecessary wasting of resources.
Description
Technical field
The present invention relates to extraction process technical field, specially a kind of supercritical CO 2 extraction technology.
Background technique
Lutein is a kind of excellent antioxidant, can resist free radical and cause cell and organ damage in human body, from
And cardiovascula arteriosclerosis, coronary heart disease and the neoplastic disease etc. that can prevent body aging from causing, lutein and zeaxanthin be in eyes only
Two Carotenoids having, preventing visual impairment caused by senile eyeball retina macular disease and blindness is lutein
Unique function.
Supercritical carbon dioxide, which is carbon dioxide, is higher than critical-temperature in temperature, and pressure is higher than in the state of critical pressure,
It is changed into supercriticality, gas-liquid two-phase interface disappears, and density is bordering on liquid, and viscosity is bordering on gas, and diffusion coefficient is liquid
100 times, therefore it has surprising solvability, simultaneously as carbon dioxide is nontoxic, at low cost, to be widely used in
In the extraction of lutein, due to that, rich in a large amount of lutein, can be extracted to cabbage mustard Lutein in cabbage mustard, but it is existing
Cabbage mustard Lutein extraction process it is complex, the extraction quantity of lutein is relatively low, while causing the waste of vast resources.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of supercritical CO 2 extraction technologies, solve existing
Cabbage mustard Lutein extraction process it is complex, the extraction quantity of lutein is relatively low, at the same cause vast resources waste
Problem.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of supercritical carbon dioxide extracting
Technique, comprising the following steps:
S1: granulation: taking cabbage mustard, and by cabbage mustard drying and dewatering, control dehydration rate, then again will with pulverizer 95% or more
Cabbage mustard after drying is crushed, and crushes 3-5 times, the cabbage mustard of crushing is pelletized repeatedly finally, and manufactured grain graininess is 40-
80 mesh；
S2: extraction: the cabbage mustard after granulation is put into extraction equipment, while being passed through suitable entrainment into extraction equipment
Agent recycles booster pump and preheater so that carbon dioxide is reached critical state and be sent in extraction equipment, and overcritical two
The flow of carbonoxide is 20-30L/h, and controlling the temperature in extraction equipment is 40-60 DEG C, and the pressure in extraction equipment is 30-
50MPa, extraction time are 4-8 hours；
S3: the CO 2 fluid in extraction equipment, carbon dioxide stream slowly separation: are released by adjusting bleed valve
Body carries out parsing separation by separator, and the condensation that condenser is passed through after carbon dioxide separation goes back to recycle in holding vessel again to make
With until extraction reaches normal pressure.
Preferably, the entrainer is median chain triglyceride oil, ethyl alcohol, soybean oil, sunflower oil, rapeseed oil and n-hexane
One of, preferably median chain triglyceride oil, the quality of the entrainer are the 2%-5% of cabbage mustard quality.
Preferably, the purity of the carbon dioxide is 98% or more, and the purity of the entrainer is 95% or more.
Preferably, at 10-20 DEG C, pressure is controlled in 10-15MPa for temperature control when the separation.
Working principle: taking cabbage mustard, by cabbage mustard drying and dewatering, controls dehydration rate 95% or more, then uses pulverizer again
Cabbage mustard after drying is crushed, crushes 3-5 times, the cabbage mustard of crushing is pelletized repeatedly finally, manufactured grain graininess is
Cabbage mustard after granulation is put into extraction equipment by 40-80 mesh, while suitable entrainer is passed through into extraction equipment, then benefit
So that carbon dioxide is reached critical state with booster pump and preheater and is sent in extraction equipment, supercritical carbon dioxide
Flow is 20-30L/h, and controlling the temperature in extraction equipment is 40-60 DEG C, and the pressure in extraction equipment is 30-50MPa, extraction
Taking the time is 4-8 hours, slowly releases the CO 2 fluid in extraction equipment, carbon dioxide stream by adjusting bleed valve
Body carries out parsing separation by separator, and the condensation that condenser is passed through after carbon dioxide separation goes back to recycle in holding vessel again to make
With until extraction reaches normal pressure.
(3) beneficial effect
The present invention provides a kind of supercritical CO 2 extraction technologies.Have it is following the utility model has the advantages that
1, the supercritical CO 2 extraction technology, by the way that the cabbage mustard after granulation is put into extraction equipment, and meanwhile it is past
It is passed through suitable entrainer in extraction equipment, booster pump is recycled so that carbon dioxide is reached critical state with preheater and sent
Enter into extraction equipment, so that the extraction process of lutein is fairly simple, the effect of extracting of lutein obviously gets a promotion, simultaneously
Greatly reduce the unnecessary wasting of resources.
2, the supercritical CO 2 extraction technology is entrainer by selecting median chain triglyceride oil, to mention significantly
The high extraction quantity of lutein.
Specific embodiment
Below in conjunction with various embodiments of the present invention, technical solution in the embodiment of the present invention is carried out clearly and completely
Description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
Embodiment one:
The embodiment of the present invention provides a kind of supercritical CO 2 extraction technology, comprising the following steps:
S1: granulation: taking cabbage mustard, and by cabbage mustard drying and dewatering, control dehydration rate, then again will with pulverizer 95% or more
Cabbage mustard after drying is crushed, and crushes 3-5 times, the cabbage mustard of crushing is pelletized repeatedly finally, and manufactured grain graininess is 40-
80 mesh；
S2: extraction: the cabbage mustard after granulation is put into extraction equipment, while being passed through suitable entrainment into extraction equipment
Agent recycles booster pump and preheater so that carbon dioxide is reached critical state and be sent in extraction equipment, and overcritical two
The flow of carbonoxide is 20L/h, and controlling the temperature in extraction equipment is 40 DEG C, and the pressure in extraction equipment is 30MPa, extraction
Time is 8 hours；
S3: the CO 2 fluid in extraction equipment, carbon dioxide stream slowly separation: are released by adjusting bleed valve
Body carries out parsing separation by separator, and the condensation that condenser is passed through after carbon dioxide separation goes back to recycle in holding vessel again to make
With until extraction reaches normal pressure.
Entrainer is one of median chain triglyceride oil, ethyl alcohol, soybean oil, sunflower oil, rapeseed oil and n-hexane, excellent
It is selected as median chain triglyceride oil, the quality of entrainer is the 2%-5% of cabbage mustard quality, and the purity of carbon dioxide is 98% or more,
The purity of entrainer is 95% or more, and at 20 DEG C, pressure is controlled in 10MPa for temperature control when separation.
Embodiment two:
The embodiment of the present invention provides a kind of supercritical CO 2 extraction technology, comprising the following steps:
S1: granulation: taking cabbage mustard, and by cabbage mustard drying and dewatering, control dehydration rate, then again will with pulverizer 95% or more
Cabbage mustard after drying is crushed, and crushes 3-5 times, the cabbage mustard of crushing is pelletized repeatedly finally, and manufactured grain graininess is 40-
80 mesh；
S2: extraction: the cabbage mustard after granulation is put into extraction equipment, while being passed through suitable entrainment into extraction equipment
Agent recycles booster pump and preheater so that carbon dioxide is reached critical state and be sent in extraction equipment, and overcritical two
The flow of carbonoxide is 24L/h, and controlling the temperature in extraction equipment is 48 DEG C, and the pressure in extraction equipment is 36MPa, extraction
Time is 6 hours；
S3: the CO 2 fluid in extraction equipment, carbon dioxide stream slowly separation: are released by adjusting bleed valve
Body carries out parsing separation by separator, and the condensation that condenser is passed through after carbon dioxide separation goes back to recycle in holding vessel again to make
With until extraction reaches normal pressure.
Entrainer is one of median chain triglyceride oil, ethyl alcohol, soybean oil, sunflower oil, rapeseed oil and n-hexane, excellent
It is selected as median chain triglyceride oil, the quality of entrainer is the 2%-5% of cabbage mustard quality, and the purity of carbon dioxide is 98% or more,
The purity of entrainer is 95% or more, and at 16 DEG C, pressure is controlled in 12MPa for temperature control when separation
Embodiment three:
The embodiment of the present invention provides a kind of supercritical CO 2 extraction technology, comprising the following steps:
S1: granulation: taking cabbage mustard, and by cabbage mustard drying and dewatering, control dehydration rate, then again will with pulverizer 95% or more
Cabbage mustard after drying is crushed, and crushes 3-5 times, the cabbage mustard of crushing is pelletized repeatedly finally, and manufactured grain graininess is 40-
80 mesh；
S2: extraction: the cabbage mustard after granulation is put into extraction equipment, while being passed through suitable entrainment into extraction equipment
Agent recycles booster pump and preheater so that carbon dioxide is reached critical state and be sent in extraction equipment, and overcritical two
The flow of carbonoxide is 28L/h, and controlling the temperature in extraction equipment is 52 DEG C, and the pressure in extraction equipment is 44MPa, extraction
Time is 5 hours；
S3: the CO 2 fluid in extraction equipment, carbon dioxide stream slowly separation: are released by adjusting bleed valve
Body carries out parsing separation by separator, and the condensation that condenser is passed through after carbon dioxide separation goes back to recycle in holding vessel again to make
With until extraction reaches normal pressure.
Entrainer is one of median chain triglyceride oil, ethyl alcohol, soybean oil, sunflower oil, rapeseed oil and n-hexane, excellent
It is selected as median chain triglyceride oil, the quality of entrainer is the 2%-5% of cabbage mustard quality, and the purity of carbon dioxide is 98% or more,
The purity of entrainer is 95% or more, and at 13 DEG C, pressure is controlled in 13MPa for temperature control when separation.
Example IV:
The embodiment of the present invention provides a kind of supercritical CO 2 extraction technology, comprising the following steps:
S1: granulation: taking cabbage mustard, and by cabbage mustard drying and dewatering, control dehydration rate, then again will with pulverizer 95% or more
Cabbage mustard after drying is crushed, and crushes 3-5 times, the cabbage mustard of crushing is pelletized repeatedly finally, and manufactured grain graininess is 40-
80 mesh；
S2: extraction: the cabbage mustard after granulation is put into extraction equipment, while being passed through suitable entrainment into extraction equipment
Agent recycles booster pump and preheater so that carbon dioxide is reached critical state and be sent in extraction equipment, and overcritical two
The flow of carbonoxide is 30L/h, and controlling the temperature in extraction equipment is 60 DEG C, and the pressure in extraction equipment is 50MPa, extraction
Time is 4 hours；
S3: the CO 2 fluid in extraction equipment, carbon dioxide stream slowly separation: are released by adjusting bleed valve
Body carries out parsing separation by separator, and the condensation that condenser is passed through after carbon dioxide separation goes back to recycle in holding vessel again to make
With until extraction reaches normal pressure.
Entrainer is one of median chain triglyceride oil, ethyl alcohol, soybean oil, sunflower oil, rapeseed oil and n-hexane, excellent
It is selected as median chain triglyceride oil, the quality of entrainer is the 2%-5% of cabbage mustard quality, and the purity of carbon dioxide is 98% or more,
The purity of entrainer is 95% or more, and at 10 DEG C, pressure is controlled in 15MPa for temperature control when separation.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of supercritical CO 2 extraction technology, it is characterised in that: the following steps are included:
S1: granulation: taking cabbage mustard, by cabbage mustard drying and dewatering, controls dehydration rate 95% or more, then will be dried with pulverizer again
Cabbage mustard later is crushed, and crushes 3-5 times, the cabbage mustard of crushing is pelletized repeatedly finally, and manufactured grain graininess is 40-80
Mesh；
S2: extraction: the cabbage mustard after granulation being put into extraction equipment, while being passed through suitable entrainer into extraction equipment,
Booster pump and preheater is recycled so that carbon dioxide is reached critical state and be sent in extraction equipment, overcritical titanium dioxide
The flow of carbon is 20-30L/h, and controlling the temperature in extraction equipment is 40-60 DEG C, and the pressure in extraction equipment is 30-
50MPa, extraction time are 4-8 hours；
S3: the CO 2 fluid in extraction equipment, CO 2 fluid warp slowly separation: are released by adjusting bleed valve
It crosses separator and carries out parsing separation, the condensation that condenser is passed through after carbon dioxide separation goes back to be recycled in holding vessel again,
Until extraction reaches normal pressure.
2. a kind of supercritical CO 2 extraction technology according to claim 1, it is characterised in that: during the entrainer is
One of chain triglyceride, ethyl alcohol, soybean oil, sunflower oil, rapeseed oil and n-hexane, preferably three acid of medium chain triglyceride
Ester, the quality of the entrainer are the 2%-5% of cabbage mustard quality.
3. a kind of supercritical CO 2 extraction technology according to claim 1, it is characterised in that: the carbon dioxide
Purity is 98% or more, and the purity of the entrainer is 95% or more.
4. a kind of supercritical CO 2 extraction technology according to claim 1, it is characterised in that: the temperature when separation
At 10-20 DEG C, pressure is controlled in 10-15MPa for control.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112386946A (en) * | 2020-10-23 | 2021-02-23 | 南通科鑫超临界设备有限公司 | Fluid shunting adsorption equipment based on supercritical extraction pharmaceutical technology |
| WO2021135149A1 (en) * | 2019-12-31 | 2021-07-08 | 江苏高科制药设备有限公司 | Carbon dioxide supercritical extraction method for pharmaceutical use |
| CN113797182A (en) * | 2021-10-14 | 2021-12-17 | 云南博瑞生物科技有限公司 | Method for preparing lutein oil suspension |
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| CN101781603A (en) * | 2010-03-11 | 2010-07-21 | 南京农业大学 | Method for extracting brassica rapa l. seed oil by using supercritical carbon dioxide |
| CN103917521A (en) * | 2011-08-26 | 2014-07-09 | Ptt全球化学公共有限公司 | Method of extracting lutein/xanthophylls from natural materials and highly purified lutein/xanthophylls obtained from the method thereof |
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2019
- 2019-08-16 CN CN201910756192.1A patent/CN110483359A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113797182B (en) * | 2021-10-14 | 2023-03-10 | 云南博瑞生物科技有限公司 | Method for preparing lutein oil suspension |
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