CN110577463A - System and method for supercritical carbon dioxide extraction of cannabidiol - Google Patents
System and method for supercritical carbon dioxide extraction of cannabidiol Download PDFInfo
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- CN110577463A CN110577463A CN201910868024.1A CN201910868024A CN110577463A CN 110577463 A CN110577463 A CN 110577463A CN 201910868024 A CN201910868024 A CN 201910868024A CN 110577463 A CN110577463 A CN 110577463A
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/004—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by obtaining phenols from plant material or from animal material
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
- C07C37/685—Processes comprising at least two steps in series
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
- C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
- C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
- C07C37/82—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by solid-liquid treatment; by chemisorption
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- 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
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- 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
- Y02P20/10—Process efficiency
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- 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
Abstract
The invention discloses a system and a method for supercritical carbon dioxide extraction of cannabidiol, wherein a carbon dioxide circulating storage tank, a high-pressure pump, a main heater, an extraction branch, a pressure reducing valve, a residual energy heater, a separation kettle and a condenser are sequentially connected in series, the extraction branch is divided into a first extraction branch, a second extraction branch and a third extraction branch, an air outlet of the first extraction branch is connected in series with an air inlet of the second extraction branch through a pipeline, an air outlet of the second extraction branch is connected in series with an air inlet of the third extraction branch through a pipeline, the three extraction branches respectively comprise an extraction loop, a preheating loop and a residual energy recovery loop, an extraction kettle is arranged in the extraction loop, and the extraction kettle has a raw material preheating function. The invention has the beneficial effects that: the equipment configuration is simplified, the energy consumption is reduced, and the working efficiency is improved.
Description
Technical Field
the invention relates to the field of supercritical extraction, in particular to a system and a method for extracting cannabidiol by supercritical carbon dioxide.
Background
At present, the traditional extraction method for extracting cannabidiol from flowers and leaves of industrial cannabis sativa at home and abroad adopts a solvent extraction technology. Another novel technique is the supercritical carbon dioxide extraction technique. The supercritical carbon dioxide has the characteristics of large diffusion coefficient, small viscosity, large dielectric constant and the like, and has the advantages of high solubility, selectivity, thorough separation and the like in the extraction process of cannabidiol. Meanwhile, the extraction and separation operations are completed in a fully closed system, the influences of visible light reaction, oxidation reaction and the like can be eliminated in the process, and the chemical properties of the purified substances can be maintained.
because cannabidiol components mainly exist in flower and leaf tissue cells of industrial cannabis sativa, in order to improve the extraction efficiency, the prior art generally crushes the industrial cannabis sativa before extraction, then uses special preheating treatment equipment to preheat the crushed industrial cannabis sativa, cools after the preheating treatment process, and then puts the crushed industrial cannabis sativa into an extraction kettle to perform supercritical carbon dioxide extraction operation. The preheating process and the extraction process are completed by two independent devices, which results in increased devices, energy waste and low working efficiency.
In addition, the extraction efficiency of cannabidiol gradually decreases with the passage of extraction time, and the utilization rate of carbon dioxide is also influenced.
disclosure of Invention
Aiming at the problems, the invention provides a system and a method for extracting cannabidiol by supercritical carbon dioxide, which mainly solve the problems of low working efficiency, high energy consumption and complex equipment of the conventional system for extracting cannabidiol by supercritical carbon dioxide.
in order to achieve the purpose, the invention adopts the following technical scheme:
The utility model provides a system for supercritical carbon dioxide extracts cannabidiol, concatenates carbon dioxide circulation storage tank, high-pressure pump, trunk heater, extraction branch road, relief pressure valve, complementary energy heater, separation cauldron and condenser in proper order, the extraction branch road divide into first extraction branch road, second extraction branch road and third extraction branch road, the gas outlet of first extraction branch road pass through the pipeline with the air inlet of second extraction branch road is polyphone, the gas outlet of second extraction branch road pass through the pipeline with the air inlet of third extraction branch road is polyphone, three the extraction branch road includes extraction return circuit, preheats return circuit and complementary energy recovery return circuit, be equipped with the extraction cauldron in the extraction return circuit, the extraction cauldron has the raw materials preheating function.
A method for extracting cannabidiol by supercritical carbon dioxide,
S1: adding industrial hemp crushed aggregates into the first extraction kettle, the second extraction kettle and the third extraction kettle, operating a preheating loop of the first extraction branch, preheating the industrial hemp crushed aggregates in the first extraction kettle, and operating a complementary energy recovery loop of the first extraction branch after the first extraction kettle is preheated;
S2: operating the extraction loop of the first extraction branch to extract in half unit time, simultaneously operating the preheating loop of the second extraction branch, and operating the complementary energy recovery loop of the second extraction branch after the second extraction kettle is preheated;
S3: opening a valve, closing the valve, connecting the extraction loop of the first extraction branch and the extraction loop of the second extraction branch in series, extracting for half unit time, simultaneously operating the preheating loop of the third extraction branch, and operating the complementary energy recovery loop of the third extraction branch after the preheating of the third extraction kettle is finished;
S4: opening a valve, closing the valve, connecting an extraction loop of the second extraction branch and an extraction loop of the third extraction branch in series, extracting for half unit time, unloading and reloading a first extraction kettle in the extraction process, operating a preheating loop of the first extraction branch, and operating a complementary energy recovery loop of the first extraction branch after the first extraction kettle is preheated;
s5: opening a valve, closing the valve, connecting an extraction loop of a third extraction branch with an extraction loop of a first extraction branch in series, extracting for half unit time, unloading and reloading a second extraction kettle in the extraction process, operating a preheating loop of the second extraction branch, and operating a complementary energy recovery loop of the second extraction branch after the second extraction kettle is preheated;
S6: the operations of recycling the S1 to S5 are different in that the extraction vessel of each extraction branch is separately loaded and unloaded after the extraction operation of the branch is finished.
The further improvement lies in that: the half unit time is 1 to 3 hours.
the further improvement lies in that: the extraction loop, the preheating loop and the complementary energy recovery loop of the extraction branch can only work in one loop at the same time.
the invention has the beneficial effects that:
1. The preheating operation and the extraction operation are completed in the same extraction kettle, so that the equipment is simplified, and the process is optimized.
2. The residual energy recycling loop collects heat which should be dissipated and provides the heat to the residual energy heater to become a heating source of a separation link, so that the heat is comprehensively utilized.
3. Through the process of connecting two extraction branches in series, the production efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of a system for supercritical carbon dioxide extraction of cannabidiol in accordance with the present invention;
Wherein: 1-carbon dioxide circulation storage tank, 2-high pressure pump, 3-main heater, 7-pressure reducing valve, 8-complementary heater, 9-separation kettle, 41-valve, 42-first extraction kettle, 43-fan, 44-valve, 45-heater, 46-valve, 47-valve, 48-valve, 51-valve, 52-second extraction kettle, 53-fan, 54-valve, 55-heater, 56-valve, 57-valve, 58-valve, 61-valve, 62-third extraction kettle, 63-fan, 64-valve, 65-heater, 66-valve, 67-valve, 68-valve.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
in the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, so to speak, as communicating between the two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
According to fig. 1, the embodiment provides a system for supercritical carbon dioxide extraction of cannabidiol, which comprises a carbon dioxide circulation storage tank 1, a high-pressure pump 2, a main heater 3, an extraction branch, a pressure reducing valve 7, a waste energy heater 8, a separation kettle 9 and a condenser 10, which are sequentially connected in series through pipelines, wherein the extraction branch is divided into a first extraction branch, a second extraction branch and a third extraction branch, an air outlet of the first extraction branch is connected in series with an air inlet of the second extraction branch through a pipeline, an air outlet of the second extraction branch is connected in series with an air inlet of the third extraction branch through a pipeline, the three extraction branches respectively comprise an extraction loop, a preheating loop and a waste energy recovery loop, an extraction kettle is arranged in the extraction loop, the extraction kettle has a raw material preheating function, and aims to combine a heating device and an extraction device into one device, the equipment configuration is simplified, and the working efficiency is improved.
the extraction loop, the preheating loop and the complementary energy recovery loop of the extraction branch can only work in one loop at the same time.
The extraction loop of the first extraction branch consists of a valve 41, a first extraction kettle 42 and a valve 15, the extraction loop of the second extraction branch consists of a valve 51, a second extraction kettle 52 and a valve 16, and the extraction loop of the third extraction branch consists of a valve 61, a third extraction kettle 62 and a valve 17; when the extraction loop of the first extraction branch works, the valve 41 and the valve 15 are opened, and other valves in the first extraction branch are closed, when the extraction loop of the second extraction branch works, the valve 51 and the valve 16 are opened, and other valves in the second extraction branch are closed, and when the extraction loop of the third extraction branch works, the valve 61 and the valve 17 are opened, and other valves in the third extraction branch are closed.
The extraction loop of the first extraction branch is connected in series with the extraction loop of the second extraction branch through a valve 12, the extraction loop of the second extraction branch is connected in series with the extraction loop of the third extraction branch through a valve 13, and the extraction loop of the third extraction branch is connected in series with the extraction loop of the first extraction branch through a valve 14.
The preheating loop of the first extraction branch consists of a first extraction kettle 42, a fan 43, a valve 44, a heater 45 and a valve 46, the preheating loop of the second extraction branch consists of a second extraction kettle 52, a fan 53, a valve 54, a heater 55 and a valve 56, and the preheating loop of the third extraction branch consists of a third extraction kettle 62, a fan 63, a valve 64, a heater 65 and a valve 66; when the preheating loop of the first extraction branch works, the valve 44 and the valve 46 are opened, and other valves in the first extraction branch are closed, when the preheating loop of the second extraction branch works, the valve 54 and the valve 56 are opened, other valves in the second extraction branch are closed, and when the preheating loop of the third extraction branch works, the valve 64 and the valve 66 are opened, and other valves in the third extraction branch are closed.
The waste energy recycling loop of the first extraction branch consists of a first extraction kettle 42, a fan 43, a valve 47, a valve 48 and the waste energy heater 8, the waste energy recycling loop of the second extraction branch consists of a second extraction kettle 42, a fan 53, a valve 57, a valve 58 and the waste energy heater 8, and the waste energy recycling loop of the third extraction branch consists of a third extraction kettle 42, a fan 63, a valve 67, a valve 68 and the waste energy heater 8; when the complementary energy recovery circuit of first extraction branch road during operation, valve 47 with valve 48 is opened, and other valves in the first extraction branch road are closed, works as the complementary energy recovery circuit of second extraction branch road during operation, valve 57 with valve 58 is opened, and other valves in the second extraction branch road are closed, works as the complementary energy recovery circuit of third extraction branch road during operation, valve 67 with valve 68 is opened, and other valves in the third extraction branch road are closed. The function of the fan is to convey hot air.
As shown in fig. 1, the first extraction branch, the second extraction branch and the third extraction branch are further provided with a valve 49, a valve 59 and a valve 69, respectively, for being used as a blowdown valve of the branch.
A method for extracting cannabidiol by supercritical carbon dioxide,
S1: adding industrial hemp crushed aggregates into the first extraction kettle 42, the second extraction kettle 52 and the third extraction kettle 62, operating a preheating loop of the first extraction branch, preheating the industrial hemp crushed aggregates in the first extraction kettle 42, and operating a residual energy recovery loop of the first extraction branch after the preheating of the first extraction kettle 42 is finished, so as to collect heat which is originally dissipated and provide the heat to the residual energy heater 8 to become a heating source of a separation link, so that the heat is comprehensively utilized, the energy dissipation is reduced, and the energy consumption is reduced;
S2: the extraction loop of the first extraction branch is operated to extract for half unit time, the preheating loop of the second extraction branch is operated at the same time, the complementary energy recovery loop of the second extraction branch is operated after the second extraction kettle 52 is preheated, the complementary energy recovery loop collects heat which should be dissipated originally and supplies the heat to the complementary energy heater 8 through a pipeline, and the complementary energy recovery loop becomes a heating source of a separation link, so that the heat is comprehensively utilized;
S3: opening a valve 12, closing a valve 15, connecting the extraction loop of the first extraction branch and the extraction loop of the second extraction branch in series, performing extraction in half unit time, simultaneously operating a preheating loop of a third extraction branch, and operating a complementary energy recovery loop of the third extraction branch after the preheating of the third extraction kettle 62 is finished;
S4: opening a valve 13, closing a valve 16, connecting an extraction loop of the second extraction branch and an extraction loop of the third extraction branch in series, performing extraction in a half unit time, unloading and reloading the first extraction kettle 42 in the extraction process, operating a preheating loop of the first extraction branch, and operating a complementary energy recovery loop of the first extraction branch after the preheating of the first extraction kettle 42 is finished;
S5: opening the valve 14, closing the valve 17, connecting the extraction loop of the third extraction branch and the extraction loop of the first extraction branch in series, performing extraction in half unit time, unloading and reloading the second extraction kettle 52 in the extraction process, operating the preheating loop of the second extraction branch, and operating the complementary energy recovery loop of the second extraction branch after the second extraction kettle 52 is preheated;
S6: the operations of recycling the S1 to S5 are different in that the extraction vessel of each extraction branch is separately loaded and unloaded after the extraction operation of the branch is finished.
the half unit time is 1 to 3 hours, the complete extraction period of the extraction kettle is 2 to 6 hours, and each two extraction branches connected in series are composed of one extraction branch which is extracted for half unit time and the other extraction branch which is not extracted, so that the extraction kettle has the characteristic of keeping high-efficiency extraction.
the working principle is as follows: supercritical carbon dioxide: liquid carbon dioxide is pressurized by a high-pressure pump 2 and heated by a main heater 3 from the carbon dioxide circulating storage tank 1 in sequence to form supercritical carbon dioxide, and the pressure and the temperature of the supercritical carbon dioxide meet the requirements of extraction process parameters; and (3) extraction: the supercritical carbon dioxide is extracted into cannabidiol through any two extraction branches which are connected in series to form the supercritical carbon dioxide carrying the cannabidiol; preheating and cooling: the remaining extraction branch is preheated and then cooled to about 40 ℃, the cooling is completed through a residual energy recovery loop, and heat is recovered; separation: the supercritical carbon dioxide carrying cannabidiol passes through a pressure reducing valve 7 and a complementary energy heater 8 in sequence and then enters a separation kettle 9, carbon dioxide is gasified in the separation kettle 9 and separated from solute cannabidiol, and the solute cannabidiol is discharged from the bottom of the separation kettle 9 and is controlled to be switched on and off by a valve 11. Gaseous carbon dioxide enters a condenser 10 from the upper part of the separation kettle to be cooled and liquefied, and liquid carbon dioxide returns to a CO2 circulating storage tank 1 to be stored.
in the drawings, the positional relationship is described for illustrative purposes only and is not to be construed as limiting the present patent; it should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (8)
1. a system for supercritical carbon dioxide extraction of cannabidiol is characterized in that: concatenate carbon dioxide circulation storage tank (1), high-pressure pump (2), main heater (3), extraction branch road, relief pressure valve (7), complementary energy heater (8), separation cauldron (9) and condenser (10) in proper order, the extraction branch road divide into first extraction branch road, second extraction branch road and third extraction branch road, the gas outlet of first extraction branch road pass through the pipeline with the air inlet of second extraction branch road is polyphone, the gas outlet of second extraction branch road pass through the pipeline with the air inlet of third extraction branch road is polyphone, three the extraction branch road all includes the extraction return circuit, preheats return circuit and complementary energy and retrieves the return circuit, be equipped with the extraction cauldron in the extraction return circuit, the extraction cauldron has the raw materials and preheats the function.
2. The system for supercritical carbon dioxide extraction of cannabidiol as claimed in claim 1, wherein: the extraction return circuit of first extraction branch road comprises valve (41), first extraction cauldron (42) and valve (15), the extraction return circuit of second extraction branch road comprises valve (51), second extraction cauldron (52) and valve (16), the extraction return circuit of third extraction branch road comprises valve (61), third extraction cauldron (62) and valve (17).
3. The system for supercritical carbon dioxide extraction of cannabidiol as claimed in claim 2, wherein: the extraction loop of the first extraction branch is connected with the extraction loop of the second extraction branch in series through a valve (12), the extraction loop of the second extraction branch is connected with the extraction loop of the third extraction branch in series through a valve (13), and the extraction loop of the third extraction branch is connected with the extraction loop of the first extraction branch in series through a valve (14).
4. the system for supercritical carbon dioxide extraction of cannabidiol as claimed in claim 1, wherein: the preheating loop of the first extraction branch consists of a first extraction kettle (42), a fan (43), a valve (44), a heater (45) and a valve (46), the preheating loop of the second extraction branch consists of a second extraction kettle (52), a fan (53), a valve (54), a heater (55) and a valve (56), and the preheating loop of the third extraction branch consists of a third extraction kettle (62), a fan (63), a valve (64), a heater (65) and a valve (66).
5. the system for supercritical carbon dioxide extraction of cannabidiol as claimed in claim 1, wherein: the complementary energy of first extraction branch road is retrieved the way and is by first extraction cauldron (42), fan (43), valve (47), (48) and complementary energy heater (8) constitute, the complementary energy of second extraction branch road is retrieved the way and is extracted cauldron (42), fan (53), valve (57), (58) by the second and complementary energy heater (8) constitute, the complementary energy of third extraction branch road is retrieved the way and is extracted cauldron (42), fan (63), valve (67), (68) by the third and complementary energy heater (8) constitute.
6. A method for extracting cannabidiol by supercritical carbon dioxide is characterized in that:
S1: adding industrial hemp crushed aggregates into the first extraction kettle (42), the second extraction kettle (52) and the third extraction kettle (62), operating a preheating loop of the first extraction branch, preheating the industrial hemp crushed aggregates in the first extraction kettle (42), and operating a residual energy recovery loop of the first extraction branch after the preheating of the first extraction kettle (42) is finished;
s2: the extraction loop of the first extraction branch is operated to extract in half unit time, the preheating loop of the second extraction branch is operated at the same time, and the complementary energy recovery loop of the second extraction branch is operated after the preheating of the second extraction kettle (52) is finished;
S3: opening a valve (12), closing a valve (15), connecting the extraction loop of the first extraction branch and the extraction loop of the second extraction branch in series, extracting for half unit time, simultaneously operating a preheating loop of a third extraction branch, and operating a complementary energy recovery loop of the third extraction branch after the preheating of the third extraction kettle (62) is finished;
s4: opening a valve (13), closing a valve (16), connecting an extraction loop of the second extraction branch and an extraction loop of the third extraction branch in series, extracting for half unit time, unloading and reloading a first extraction kettle (42) in the extraction process, operating a preheating loop of the first extraction branch, and operating a complementary energy recovery loop of the first extraction branch after the preheating of the first extraction kettle (42) is finished;
s5: opening a valve (14), closing a valve (17), connecting an extraction loop of a third extraction branch with an extraction loop of a first extraction branch in series, extracting for half unit time, unloading and reloading a second extraction kettle (52) in the extraction process, operating a preheating loop of the second extraction branch, and operating a complementary energy recovery loop of the second extraction branch after the second extraction kettle (52) is preheated;
S6: the operations of recycling the S1 to S5 are different in that the extraction vessel of each extraction branch is separately loaded and unloaded after the extraction operation of the branch is finished.
7. the supercritical carbon dioxide extraction of cannabidiol as claimed in claim 6, wherein: the half unit time is 1 to 3 hours.
8. the supercritical carbon dioxide extraction of cannabidiol as claimed in claim 6, wherein: the extraction loop, the preheating loop and the complementary energy recovery loop of the extraction branch can only work in one loop at the same time.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110903910A (en) * | 2019-12-19 | 2020-03-24 | 韩城市宏达花椒香料有限公司 | Supercritical CO for improving yield of spice essential oil2Extraction method and system thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1280025A (en) * | 2000-08-14 | 2001-01-17 | 孙传经 | Multifunctional-supercritical CO2 extraction technology |
| CN101077990A (en) * | 2007-07-04 | 2007-11-28 | 中国科学院长春应用化学研究所 | Method for extracting corn embryo oil by supercritical carbon dioxide |
| CN102041163A (en) * | 2011-01-05 | 2011-05-04 | 南昌同心紫巢生物工程有限公司 | Multi-body multi-stage supercritical CO2 extraction method of ganoderma lucidum spore oil |
| CN107382672A (en) * | 2017-07-28 | 2017-11-24 | 云南汉木森生物科技有限责任公司 | Utilize the method and its cannabidiol product of supercritical carbon dioxide extracting cannabidiol |
| CN108864219A (en) * | 2018-05-31 | 2018-11-23 | 中山大学 | A kind of method of High-pressure supercritical carbon dioxide abstraction Gastrodin |
-
2019
- 2019-09-16 CN CN201910868024.1A patent/CN110577463A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1280025A (en) * | 2000-08-14 | 2001-01-17 | 孙传经 | Multifunctional-supercritical CO2 extraction technology |
| CN101077990A (en) * | 2007-07-04 | 2007-11-28 | 中国科学院长春应用化学研究所 | Method for extracting corn embryo oil by supercritical carbon dioxide |
| CN102041163A (en) * | 2011-01-05 | 2011-05-04 | 南昌同心紫巢生物工程有限公司 | Multi-body multi-stage supercritical CO2 extraction method of ganoderma lucidum spore oil |
| CN107382672A (en) * | 2017-07-28 | 2017-11-24 | 云南汉木森生物科技有限责任公司 | Utilize the method and its cannabidiol product of supercritical carbon dioxide extracting cannabidiol |
| CN108864219A (en) * | 2018-05-31 | 2018-11-23 | 中山大学 | A kind of method of High-pressure supercritical carbon dioxide abstraction Gastrodin |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110903910A (en) * | 2019-12-19 | 2020-03-24 | 韩城市宏达花椒香料有限公司 | Supercritical CO for improving yield of spice essential oil2Extraction method and system thereof |
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Inventor after: Liu Hancha Inventor after: Wu Shuhua Inventor after: Xu Jitao Inventor after: Liu Yuehua Inventor after: Xu Jianyu Inventor before: Liu Hancha Inventor before: Wu Shuhua Inventor before: Xu Jitao Inventor before: Liu Yuehua Inventor before: Xu Jianyu |
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Application publication date: 20191217 |