CN206244694U - The production equipment of high-purity cannabidiol - Google Patents
The production equipment of high-purity cannabidiol Download PDFInfo
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- CN206244694U CN206244694U CN201621167060.3U CN201621167060U CN206244694U CN 206244694 U CN206244694 U CN 206244694U CN 201621167060 U CN201621167060 U CN 201621167060U CN 206244694 U CN206244694 U CN 206244694U
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Abstract
The utility model discloses a kind of production equipment of high-purity cannabidiol, with in industrial hemp floral leaf using the hashiss containing various chemical compositions of extraction method extraction as raw material, the CBD product line preparing chromatograph in industry equipment that special production purity reaches more than 95% is manufactured and designed, the serial equipment is constituted by extracting device, preparative chromatography post B, preparative chromatography post C and preparative chromatography post D admittedly.The equipment is stable, efficient, realizes the large-scale industrial production of high-purity C BD, will effectively solve demand of the market to high-purity C BD products.
Description
Technical field
The utility model is related to biological technical field, more particularly to a kind of production equipment of high-purity cannabidiol.
Background technology
Industrial hemp is a kind of hemp for being approved legal plantation, is the kind of low toxic amount, and THC values are below 0.3%.This
A little industrial hemp (THC<0.3%) it is considered as not possessing drugs value, but still whole body is precious, and its application at least includes spinning
Knit, papermaking, food, medicine, health, daily use chemicals, leather, automobile, building, decoration, the field such as packaging, be the classical means of production.
And cannabidiol（CBD）Be it is a kind of from industrial hemp extract it is nontoxic, edible and with medical value
High added value aldehydes matter, have cough-relieving, antispastic, analgesic, calmness, sleeping isoreactivity.At present, most of flourishing states in the world
Family expenses its as raw material, develop numerous food, health products, nutriment, medicine and cosmetics.CBD is the non-habituation in hemp
Composition, can hinder THC to influence nerve system of human body, with pharmacological activity such as anti-spasm, resisting rheumatoid arthritis, antianxieties.
The extraction process of the cannabidiol of low content includes：Pluck floral leaf, drying, crushing, solvent extraction and overcritical extraction
Take, product form is in paste, includes various chemical compositions, including many of which unknown chemical composition, therefore, using
During be subject to many limitations.The CBD of high-purity is more to be isolated and purified with preparing chromatograph in industry technology, but because with high content of technology, if
Standby production capacity is small, fails to see the report of large-scale production so far.
Utility model content
The utility model can make mainly solving the technical problems that provide a kind of production equipment of high-purity cannabidiol
The product purity of production reaches more than 95%.
In order to solve the above technical problems, the technical scheme that the utility model is used is：A kind of high-purity hemp is provided
The production equipment of diphenol, including：Storage tank, equipment for purifying, product drying equipment, product storage tank and solvent tank, the storage tank
Quantity matches with equipment for purifying, and the equipment for purifying includes：Admittedly extract device, preparative chromatography post B, preparative chromatography post C and prepare color
Spectrum post D, described to extract device admittedly, be connected in parallel between preparative chromatography post B, preparative chromatography post C and preparative chromatography post D, the storage tank sets
Be placed in the upstream of equipment for purifying, the product drying equipment is arranged at the downstream of equipment for purifying, the product drying equipment it is upper
End is connected to solvent tank, and the lower end of product drying equipment is connected to product storage tank.
Preferably, it is provided with measuring pump between the storage tank and equipment for purifying.
Preferably, the device of extraction admittedly mainly includes：Under column casing body A, post upper end cover A, post upper face plate A, post lower face plate A and post
End cap A, the post upper end cover A and post bottom end cover A are respectively arranged at the upper and lower ends of column casing body A, and the post upper face plate A is arranged at
Between post upper end cover A and column casing body A, the post lower face plate A is arranged between post bottom end cover A and column casing body A.
Preferably, the material of the device of extraction admittedly uses stainless steel, and its diameter range is set to 200 ~ 600mm, altitude range
400 ~ 2000mm is set to, the scope of ratio of height to diameter is set to 2 ~ 10, and the operating pressure of equipment is between 0.2-2MPA.
Preferably, the filler that the device of extraction admittedly is used is modified aluminas extractant.
Preferably, the preparative chromatography post B mainly includes：Column casing body B, post upper end cover B, column cap mobile phase distributor B, post
Lower face plate B, post bottom end cover B and mobile phase thermostat B, the post upper end cover B and post bottom end cover B are respectively arranged at column casing body B's
Upper and lower ends, the post upper face plate B is arranged between post upper end cover B and column casing body B, and the post lower face plate B is arranged at post lower end
Between lid B and column casing body B, the mobile phase distributor B is arranged between post upper face plate B and post upper end cover B, and the mobile phase is permanent
Warm device B is arranged at the top of post upper end cover B.
Preferably, the material of the preparative chromatography post B uses stainless steel, and its diameter range is set to 200 ~ 600mm, height
Scope is set to 2000 ~ 4000mm, and the scope of ratio of height to diameter is set to 10:3~20:1, the operating pressure of equipment 0.2-2MPA it
Between.
Preferably, the filler in the preparative chromatography post B is Polymer Synthesizing filler
Preferably, the preparative chromatography post C mainly includes：Column casing body C, post upper end cover C, column cap mobile phase distributor C, post
Lower face plate C, post bottom end cover C and mobile phase thermostat C, the post upper end cover C and post bottom end cover C are respectively arranged at column casing body C's
Upper and lower ends, the post upper face plate C is arranged between post upper end cover C and column casing body C, and the post lower face plate C is arranged at post lower end
Between lid C and column casing body C, the mobile phase distributor C is arranged between post upper face plate C and post upper end cover C, and the mobile phase is permanent
Warm device C is arranged at the top of post upper end cover C.
Preferably, the material of the preparative chromatography post C uses stainless steel, and its diameter range is set to 200 ~ 600mm, height
Scope is set to 2000 ~ 5000mm, and the scope of ratio of height to diameter is set to 10:3~25:1, the operating pressure of equipment 0.2-2MPA it
Between.
Preferably, the filler in the preparative chromatography post C is Polymer Synthesizing filler.
Preferably, the preparative chromatography post D mainly includes：Column casing body D, post upper end cover D, column cap mobile phase distributor D, post
Lower face plate D, post bottom end cover D and mobile phase thermostat D, the post upper end cover D and post bottom end cover D are respectively arranged at column casing body D's
Upper and lower ends, the post upper face plate D is arranged between post upper end cover D and column casing body D, and the post lower face plate D is arranged at post lower end
Between lid D and column casing body D, the mobile phase distributor D is arranged between post upper face plate D and post upper end cover D, and the mobile phase is permanent
Warm device D is arranged at the top of post upper end cover D.
Preferably, the material of the preparative chromatography post D uses stainless steel, and its diameter range is set to 200 ~ 600mm, height
Scope is set to 2000 ~ 5000mm, and the scope of ratio of height to diameter is set to 10:3~25:1, the operating pressure of equipment 0.2-2MPA it
Between.
Preferably, the filler in the preparative chromatography post C is Polymer Synthesizing filler.
In order to solve the above technical problems, another technical scheme that the utility model is used is：There is provided a kind of high-purity big
The purification technique of numb diphenol, including following several steps：
First, the Cannador that raw material is produced using solvent method or supercritical extract, using solid extraction device, separates from medicinal extract
Remove a large amount of impurity for having a strong impact on next step chromatographic isolation effect；
2nd, using preparative chromatography equipment B, pigment impurity is removed in the CBD semi-finished product obtained from the first step；
3rd, using preparative chromatography equipment C, soft quality, colloid impurity are removed in the CBD semi-finished product obtained from second step；
4th, using preparative chromatography equipment D, the homologue of cannabidiol is removed in the CBD semi-finished product obtained from second step；
5th, the product that the 4th step is obtained, removes organic solvent and can obtain CBD product of the purity more than 95%.
Preferably, mobile phase used in second step production process can be methyl alcohol, ethanol, acetone, ethyl acetate, oil
One kind or any several mixed solvent composition in ether, n-hexane, chloroform, benzene, water.
Preferably, mobile phase used in the 3rd step production process can be methyl alcohol, ethanol, acetone, ethyl acetate, oil
One kind or any several mixed solvent composition in ether, n-hexane, chloroform, benzene, water.
Preferably, mobile phase used in the 4th step production process can be methyl alcohol, ethanol, acetone, ethyl acetate, oil
One kind or any several mixed solvent composition in ether, n-hexane, chloroform, benzene, water.
The beneficial effects of the utility model are：The utility model with industrial hemp floral leaf using extraction method extract
Hashiss containing various chemical compositions is raw material, has manufactured and designed the CBD products system that special production purity reaches more than 95%
Row preparing chromatograph in industry equipment, the serial equipment by extracting device, preparative chromatography post B, preparative chromatography post C and preparative chromatography post D groups admittedly
Into the equipment is stable, efficient, realizes the large-scale industrial production of high-purity C BD, will effectively solve market to high-purity C BD
The demand of product.
Brief description of the drawings
Fig. 1 be a kind of high-purity cannabidiol of the utility model the preferred embodiment of production equipment one in production equipment knot
Structure schematic diagram；
Fig. 2 is the shown structural representation for extracting device admittedly；
Fig. 3 is the structural representation of shown preparative chromatography post B；
Fig. 4 is the structural representation of shown preparative chromatography post C；
Fig. 5 is the structural representation of shown preparative chromatography post D；
The mark of each part is as follows in accompanying drawing：1st, storage tank, 2, product drying equipment, 3, product storage tank, 4, solvent tank, 5,
Admittedly extract device, 6, preparative chromatography post B, 7, preparative chromatography post C, 8, preparative chromatography post D, 9, measuring pump, 51, post upper end cover A, 52, post
Upper face plate A, 53, column casing body A, 54, post lower face plate A, 55, post bottom end cover A, 61, mobile phase thermostat B, 62, post upper end cover B,
63rd, mobile phase distributor B, 64, post upper face plate B, 65, column casing body B, 66, post lower face plate B, 67, post bottom end cover B, 71, mobile phase
Thermostat C, 72, post upper end cover C, 73, mobile phase distributor C, 74, post upper face plate C, 75, column casing body C, 76, post lower face plate C,
77th, post bottom end cover C, 81, mobile phase thermostat D, 82, post upper end cover D, 83, mobile phase distributor D, 84, post upper face plate D, 85,
Column casing body D, 86, post lower face plate D, 87, post bottom end cover D.
Specific embodiment
Preferred embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings, so that advantage of the present utility model
Can be easier to be readily appreciated by one skilled in the art with feature, it is apparent clear and definite so as to be made to protection domain of the present utility model
Define.
Fig. 1 is referred to, the utility model embodiment 1 includes：
A kind of production equipment of high-purity cannabidiol, including：Storage tank 1, equipment for purifying, the storage of product drying equipment 2, product
Tank 3 and solvent tank 4, quantity and the equipment for purifying of the storage tank 1 match, and the equipment for purifying includes：Admittedly extraction device 5, preparation
Chromatographic column B6, preparative chromatography post C7 and preparative chromatography post D8, the device 5 of extraction admittedly, preparative chromatography post B6, preparative chromatography post C7 and system
It is connected in parallel between standby chromatographic column D8, the storage tank 1 is arranged at the upstream of equipment for purifying, and the product drying equipment 2 is arranged at
The downstream of equipment for purifying, the upper end of the product drying equipment 2 is connected to solvent tank 4, the lower end connection of product drying equipment 2
To product storage tank 3.
A kind of purification technique of high-purity cannabidiol, including following several steps：
The first step：By medicinal extract n-hexane solvent, solvent load is 8-10 times of medicinal extract amount；
Second step：The medicinal extract solution that will have been dissolved with measuring pump 9 is squeezed into solid extraction device 5, admittedly the extractant in extraction device 5 is by phase
Close impurity extraction to fall, CBD and other impurity flow out with n-hexane；
3rd step：Second step efflux enters preparative chromatography post B6, and the chromatograph packing material in post inhales CBD and related impurities
It is attached, mobile phase to be squeezed into measuring pump 9 is eluted, mobile phase is by n-hexane and ethyl acetate by weight 9:1 prepares；
4th step：Collecting the efflux that the 3rd step contains CBD be concentrated into no solvent residue, and concentrate is with 10 times of first
Alcohol dissolves；
5th step：The CBD methyl alcohol lysate of the 4th step is squeezed into preparative chromatography equipment C7 by measuring pump 9, the chromatogram in post
Filler adsorbs CBD and related impurities, squeezes into mobile phase with measuring pump 9 and is eluted, and mobile phase is by methyl alcohol and ethyl acetate
By weight 3:1 prepares；
6th step：The CBD methyl alcohol lysate of the 5th step is squeezed into preparative chromatography equipment D8 by measuring pump 9, the chromatogram in post
Filler adsorbs CBD and related impurities, squeezes into mobile phase with measuring pump 9 and is eluted, and mobile phase is by methyl alcohol and ethyl acetate
By weight 3:1 prepares；
7th step：Collect the efflux containing CBD and concentrated, obtain the CBD products that purity reaches more than 95%.
Embodiment 2
The production equipment of embodiment 2 is same as Example 1, and its purification technique comprises the following steps：
The first step：By medicinal extract methanol solvate, methanol usage is 8-10 times of medicinal extract amount；
Second step：The medicinal extract solution that will have been dissolved with measuring pump 9 is squeezed into solid extraction device 5, admittedly the extractant in extraction device 5 is by phase
Close impurity extraction to fall, CBD and other impurity flow out with methyl alcohol；
3rd step：Second step efflux enters preparative chromatography equipment B6, and the chromatograph packing material in post inhales CBD and related impurities
It is attached, mobile phase to be squeezed into measuring pump 9 is eluted, mobile phase is by methyl alcohol and haloform by weight 2：3 prepare；
4th step：Collecting the efflux that the 3rd step contains CBD be concentrated into no solvent residue, concentrate with 10 times just
Hexane dissolves；
5th step：The CBD n-hexane dissolutions liquid of the 4th step is squeezed into preparative chromatography equipment C7 by measuring pump 9, the color in post
Spectrum filler adsorbs CBD and related impurities, squeezes into mobile phase with measuring pump 9 and is eluted, and mobile phase is by n-hexane and trichlorine
Methane is by weight 7:3 prepare；
6th step：The CBD n-hexane dissolutions liquid of the 5th step is made a call to 9 and is entered in preparative chromatography equipment D8 by measuring pump, the color in post
Spectrum filler adsorbs CBD and related impurities, squeezes into mobile phase with measuring pump 9 and is eluted, and mobile phase is by n-hexane and trichlorine
Methane is by weight 8:2 prepare；
7th step：Collect the efflux containing CBD and concentrated, obtain the CBD products that purity reaches more than 95%.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is every
The equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or be directly or indirectly used in
Other related technical fields, are similarly included in scope of patent protection of the present utility model.
Claims (14)
1. a kind of production equipment of high-purity cannabidiol, it is characterised in that including：Storage tank, equipment for purifying, product drying set
Standby, product storage tank and solvent tank, quantity and the equipment for purifying of the storage tank match, and the equipment for purifying includes：Admittedly extraction device,
Preparative chromatography post B, preparative chromatography post C and preparative chromatography post D, the device of extraction admittedly, preparative chromatography post B, preparative chromatography post C and preparation
It is connected in parallel between chromatographic column D, the storage tank is arranged at the upstream of equipment for purifying, the product drying equipment is arranged at purification and sets
Standby downstream, the upper end of the product drying equipment is connected to solvent tank, and the lower end of product drying equipment is connected to product storage
Tank.
2. the production equipment of a kind of high-purity cannabidiol according to claim 1, it is characterised in that the storage tank with carry
Measuring pump is provided between pure equipment.
3. the production equipment of a kind of high-purity cannabidiol according to claim 1, it is characterised in that described to extract device master admittedly
Including：Column casing body A, post upper end cover A, post upper face plate A, post lower face plate A and post bottom end cover A, the post upper end cover A and post lower end
Lid A is respectively arranged at the upper and lower ends of column casing body A, and the post upper face plate A is arranged between post upper end cover A and column casing body A, described
Post lower face plate A is arranged between post bottom end cover A and column casing body A.
4. the production equipment of a kind of high-purity cannabidiol according to claim 3, it is characterised in that the device of extraction admittedly
Material uses stainless steel, and its diameter range is set to 200 ~ 600mm, and altitude range is set to 400 ~ 2000mm, the model of ratio of height to diameter
Enclose and be set to 2 ~ 10, the operating pressure of equipment is between 0.2-2MPA.
5. the production equipment of a kind of high-purity cannabidiol according to claim 3, it is characterised in that the device of extraction admittedly is adopted
Filler is modified aluminas extractant.
6. a kind of production equipment of high-purity cannabidiol according to claim 1, it is characterised in that the preparative chromatography
Post B mainly includes：Column casing body B, post upper end cover B, column cap mobile phase distributor B, post lower face plate B, post bottom end cover B and mobile phase are permanent
Warm device B, the post upper end cover B and post bottom end cover B are respectively arranged at the upper and lower ends of column casing body B, and the post upper face plate B is arranged at
Between post upper end cover B and column casing body B, the post lower face plate B is arranged between post bottom end cover B and column casing body B, the mobile phase point
Cloth device B is arranged between post upper face plate B and post upper end cover B, and the mobile phase thermostat B is arranged at the top of post upper end cover B.
7. a kind of production equipment of high-purity cannabidiol according to claim 6, it is characterised in that the preparative chromatography
The material of post B uses stainless steel, and its diameter range is set to 200 ~ 600mm, and altitude range is set to 2000 ~ 4000mm, Gao Jing
The scope of ratio is set to 10:3~20:1, the operating pressure of equipment is between 0.2-2MPA.
8. a kind of production equipment of high-purity cannabidiol according to claim 6, it is characterised in that the preparative chromatography
Filler in post B is Polymer Synthesizing filler.
9. a kind of production equipment of high-purity cannabidiol according to claim 1, it is characterised in that the preparative chromatography
Post C mainly includes：Column casing body C, post upper end cover C, column cap mobile phase distributor C, post lower face plate C, post bottom end cover C and mobile phase are permanent
Warm device C, the post upper end cover C and post bottom end cover C are respectively arranged at the upper and lower ends of column casing body C, and the post upper face plate C is arranged at
Between post upper end cover C and column casing body C, the post lower face plate C is arranged between post bottom end cover C and column casing body C, the mobile phase point
Cloth device C is arranged between post upper face plate C and post upper end cover C, and the mobile phase thermostat C is arranged at the top of post upper end cover C.
10. the production equipment of a kind of high-purity cannabidiol according to claim 9, it is characterised in that described to prepare color
The material of spectrum post C uses stainless steel, and its diameter range is set to 200 ~ 600mm, and altitude range is set to 2000 ~ 5000mm, high
Footpath than scope be set to 10:3~25:1, the operating pressure of equipment is between 0.2-2MPA.
11. a kind of production equipments of high-purity cannabidiol according to claim 9, it is characterised in that described to prepare color
Filler in spectrum post C is Polymer Synthesizing filler.
12. a kind of production equipments of high-purity cannabidiol according to claim 1, it is characterised in that described to prepare color
Spectrum post D mainly includes：Column casing body D, post upper end cover D, column cap mobile phase distributor D, post lower face plate D, post bottom end cover D and mobile phase
Thermostat D, the post upper end cover D and post bottom end cover D are respectively arranged at the upper and lower ends of column casing body D, and the post upper face plate D is set
Between post upper end cover D and column casing body D, the post lower face plate D is arranged between post bottom end cover D and column casing body D, the mobile phase
Distributor D is arranged between post upper face plate D and post upper end cover D, and the mobile phase thermostat D is arranged at the top of post upper end cover D.
13. a kind of production equipments of high-purity cannabidiol according to claim 12, it is characterised in that described to prepare color
The material of spectrum post D uses stainless steel, and its diameter range is set to 200 ~ 600mm, and altitude range is set to 2000 ~ 5000mm, high
Footpath than scope be set to 10:3~25:1, the operating pressure of equipment is between 0.2-2MPA.
14. a kind of production equipments of high-purity cannabidiol according to claim 12, it is characterised in that described to prepare color
Filler in spectrum post C is Polymer Synthesizing filler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621167060.3U CN206244694U (en) | 2016-10-26 | 2016-10-26 | The production equipment of high-purity cannabidiol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621167060.3U CN206244694U (en) | 2016-10-26 | 2016-10-26 | The production equipment of high-purity cannabidiol |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206244694U true CN206244694U (en) | 2017-06-13 |
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ID=58996963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621167060.3U Expired - Fee Related CN206244694U (en) | 2016-10-26 | 2016-10-26 | The production equipment of high-purity cannabidiol |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109574810A (en) * | 2017-09-29 | 2019-04-05 | 汉义生物科技（北京）有限公司 | Method that is a kind of while extracting CBD and CBDV |
| CN109851480A (en) * | 2019-04-03 | 2019-06-07 | 凤阳县小岗村永和营养保健品有限公司 | A method of high-purity cannabidiol is prepared using dynamic axial compression column |
| CN110304993A (en) * | 2019-05-23 | 2019-10-08 | 朱法科 | The method of chromatography production high-purity cannabidiol |
| CN110302559A (en) * | 2019-05-23 | 2019-10-08 | 朱法科 | The remaining minimizing technology of pesticide in Chinese nettle extract |
| CN110642679A (en) * | 2019-08-27 | 2020-01-03 | 桂林莱茵生物科技股份有限公司 | Method for preparing cannabidiol and coproducing cannabis full spectrum oil |
| CN110922376A (en) * | 2019-07-10 | 2020-03-27 | 朱法科 | Method for producing high-purity tetrahydrocannabinol by chromatography |
| US10611713B2 (en) | 2018-03-09 | 2020-04-07 | Tianru Chen | Automated production line for preparing cannabidiol extract |
| CN111315459A (en) * | 2017-07-07 | 2020-06-19 | 奥罗克姆科技有限公司 | Method for the purification and isolation of cannabinoids from dried cannabis sativa and cannabis leaves |
| US11040932B2 (en) | 2018-10-10 | 2021-06-22 | Treehouse Biotech, Inc. | Synthesis of cannabigerol |
| US11084770B2 (en) | 2016-12-07 | 2021-08-10 | Treehouse Biotech, Inc. | Cannabis extracts |
| US11202771B2 (en) | 2018-01-31 | 2021-12-21 | Treehouse Biotech, Inc. | Hemp powder |
| CN113831225A (en) * | 2020-06-24 | 2021-12-24 | 北京创新通恒科技有限公司 | Separation equipment and method for purifying cannabidiol monomer in cannabis extract |
-
2016
- 2016-10-26 CN CN201621167060.3U patent/CN206244694U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11084770B2 (en) | 2016-12-07 | 2021-08-10 | Treehouse Biotech, Inc. | Cannabis extracts |
| CN111315459A (en) * | 2017-07-07 | 2020-06-19 | 奥罗克姆科技有限公司 | Method for the purification and isolation of cannabinoids from dried cannabis sativa and cannabis leaves |
| CN109574810A (en) * | 2017-09-29 | 2019-04-05 | 汉义生物科技（北京）有限公司 | Method that is a kind of while extracting CBD and CBDV |
| US11202771B2 (en) | 2018-01-31 | 2021-12-21 | Treehouse Biotech, Inc. | Hemp powder |
| US10611713B2 (en) | 2018-03-09 | 2020-04-07 | Tianru Chen | Automated production line for preparing cannabidiol extract |
| US11040932B2 (en) | 2018-10-10 | 2021-06-22 | Treehouse Biotech, Inc. | Synthesis of cannabigerol |
| CN109851480A (en) * | 2019-04-03 | 2019-06-07 | 凤阳县小岗村永和营养保健品有限公司 | A method of high-purity cannabidiol is prepared using dynamic axial compression column |
| CN110302559A (en) * | 2019-05-23 | 2019-10-08 | 朱法科 | The remaining minimizing technology of pesticide in Chinese nettle extract |
| CN110304993A (en) * | 2019-05-23 | 2019-10-08 | 朱法科 | The method of chromatography production high-purity cannabidiol |
| CN110922376A (en) * | 2019-07-10 | 2020-03-27 | 朱法科 | Method for producing high-purity tetrahydrocannabinol by chromatography |
| CN110642679A (en) * | 2019-08-27 | 2020-01-03 | 桂林莱茵生物科技股份有限公司 | Method for preparing cannabidiol and coproducing cannabis full spectrum oil |
| CN110642679B (en) * | 2019-08-27 | 2022-07-22 | 桂林莱茵生物科技股份有限公司 | Method for preparing cannabidiol and coproducing cannabis full spectrum oil |
| CN113831225A (en) * | 2020-06-24 | 2021-12-24 | 北京创新通恒科技有限公司 | Separation equipment and method for purifying cannabidiol monomer in cannabis extract |
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