CN110294476A - A kind of application of the extract of industrial hemp stalk in active carbon - Google Patents
A kind of application of the extract of industrial hemp stalk in active carbon Download PDFInfo
- Publication number
- CN110294476A CN110294476A CN201910546072.9A CN201910546072A CN110294476A CN 110294476 A CN110294476 A CN 110294476A CN 201910546072 A CN201910546072 A CN 201910546072A CN 110294476 A CN110294476 A CN 110294476A
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- CN
- China
- Prior art keywords
- active carbon
- hemp stalk
- extract
- application
- industrial hemp
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Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/312—Preparation
- C01B32/318—Preparation characterised by the starting materials
- C01B32/324—Preparation characterised by the starting materials from waste materials, e.g. tyres or spent sulfite pulp liquor
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/312—Preparation
- C01B32/342—Preparation characterised by non-gaseous activating agents
- C01B32/348—Metallic compounds
-
- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Extraction Or Liquid Replacement (AREA)
Abstract
The invention discloses a kind of application of the extract of industrial hemp stalk in active carbon, application of the extract of the industrial hemp stalk in active carbon is that the extract of the industrial hemp stalk is preparing the application in active carbon.The present invention uses and first extracts industrial hemp stalk, then active carbon is prepared again, the activity of active material in industrial hemp stalk can also be retained under the premise of guaranteeing the quality of active carbon, it forms and has the active active carbon of specific function, the active carbon that the present invention is prepared can be used for the additive in cosmetics.
Description
Technical field
The invention belongs to chemical technology fields, and in particular to a kind of extract of industrial hemp stalk answering in active carbon
With.
Background technique
Hemp (scientific name: Cannabis sativa L.) Cannabaceae, Cannabis plant, You Mingma, Chinese fiber crops, fire fiber crops, mountain silk
Seedling, second fiber crops, have important agricultural and medical value.It can be made one in hemp containing a kind of toxic component tetrahydrocannabinol (THC)
Unreal habituation is caused, drugs can be done, was once forbidden cultivating within suitable long-term.Since the economy of hemp, medical value are high, specialize in industrial
The raw material hemp on way is referred to as " industrial hemp ", and THC content does not have extraction poison less than 3/1000ths in growth period marihuana
Property ingredient THC value or sucked directly as drugs, can legal progress large-scale planting and industrialized developing utilize.Activity
Charcoal as it is a kind of with special microstructure, flourishing pore structure, high-specific surface area and stronger adsorption capacity carbonaceous material.Its
Chemical stability is good, has the characteristics that acidproof, alkaline-resisting, high temperature resistant, and people are more and more to the research and application of active carbon, to expire
Properties of Activated Carbon made from foot is stable, it is low in cost etc. require, reasonable utilization agriculture and forestry organic waste material abundant not only can achieve
The purpose for protecting environment, can also bring higher surcharge, also have this for developing sustainable economic, realization resource regeneration
Significance.
Summary of the invention
The purpose of the present invention is to provide a kind of application of the extract of industrial hemp stalk in active carbon.
The object of the present invention is achieved like this, and the extract of the industrial hemp stalk is preparing answering in active carbon
With.
Then the present invention prepares active carbon using first industrial hemp stalk is extracted again, in the quality for guaranteeing active carbon
Under the premise of can also retain the activity of active material in industrial hemp stalk, form and have the active active carbon of specific function, this hair
The bright active carbon being prepared can be used for the additive in cosmetics.
Specific embodiment
Below with reference to embodiment, the present invention is further illustrated, but the present invention is limited in any way,
Based on present invention teach that it is made it is any transform or replace, all belong to the scope of protection of the present invention.
Application of the extract of industrial hemp stalk of the present invention in active carbon is that the extract of the industrial hemp stalk exists
Prepare the application in active carbon.
The extract of the industrial hemp stalk prepare active carbon the following steps are included:
1) select fresh process hemp stalk, after chopping in air place 12~obtain material a for 24 hours；
2) water content of material a is regulated to 8~10% and obtains material b；
3) material b is placed in the extraction kettle of supercritical carbon dioxide extraction apparatus, is 50~55 DEG C in extraction temperature, extraction
Pressure power be 30~35MPa, carbon dioxide flow be 30~50Kg/h under conditions of extraction 100~150min obtain liquid c and
Residue d；
4) residue d is pulverized and sieved to obtain Materialien, Materialien and activator solution is uniformly mixed, 2~4h of room temperature immersion
After be dried to obtain material f；
5) material f is warming up to 700~900 DEG C in Muffle furnace, and cooled to room temperature obtains object after 1~3h of heat preservation
Expect g；
6) liquid c is added to and is warming up to 400~600 DEG C after mixing in material g and is naturally cooled to after keeping the temperature 0.5~1h
Room temperature obtains object active carbon.
The chopping is that primary industry hemp stalk is cut into (1~3) cm × (1~3) cm size.
The regulation is humidification or drying.
The regulation is that wetting balance regulation is carried out in the environment for be placed in material a one closed constant temperature and humidity.
Described pulverizing and sieving is to crushed 50 meshes.
The activator solution is liquor potassic permanganate.
The mass percentage concentration of the liquor potassic permanganate is 0.2~1.0%.
The quality proportioning of Materialien and activator solution is 1:(50~100).
The quality proportioning of Materialien and activator solution is 1:60.
Embodiment 1
Fresh process hemp stalk is selected, places 12h in air after primary industry hemp stalk is cut into 1cm × 1cm size
Obtain material a；Material a is placed in progress wetting balance regulation moisture content in the environment of a closed constant temperature and humidity to obtain for 8%
To material b；Material b is placed in the extraction kettle of supercritical carbon dioxide extraction apparatus, is 50 DEG C in extraction temperature, extracting pressure
For 30MPa, extraction 100min obtains liquid c and residue d under conditions of carbon dioxide flow is 30Kg/h；Residue d crushed
50 meshes obtain Materialien, the liquor potassic permanganate that Materialien and mass percentage concentration are 0.2% are uniformly mixed, room temperature immersion 2h
After be dried to obtain material f；Material f is warming up to 700 DEG C in Muffle furnace, and cooled to room temperature obtains material after keeping the temperature 1h
g；Liquid c is added to cooled to room temperature after being warming up to 400 DEG C after mixing in material g and keeping the temperature 0.5h and obtains object work
Property charcoal；The quality proportioning for the liquor potassic permanganate that wherein Materialien and mass percentage concentration are 0.2% is 1:100.
Embodiment 2
Fresh process hemp stalk is selected, primary industry hemp stalk is cut into after 3cm × 3cm size and is placed for 24 hours in air
Obtain material a；Material a is placed in progress wetting balance regulation moisture content in the environment of a closed constant temperature and humidity to obtain for 10%
To material b；Material b is placed in the extraction kettle of supercritical carbon dioxide extraction apparatus, is 55 DEG C in extraction temperature, extracting pressure
For 35MPa, extraction 150min obtains liquid c and residue d under conditions of carbon dioxide flow is 50Kg/h；Residue d crushed
50 meshes obtain Materialien, the liquor potassic permanganate that Materialien and mass percentage concentration are 1.0% are uniformly mixed, room temperature immersion 4h
After be dried to obtain material f；Material f is warming up to 900 DEG C in Muffle furnace, and cooled to room temperature obtains material after keeping the temperature 3h
g；Liquid c is added to cooled to room temperature after being warming up to 600 DEG C after mixing in material g and keeping the temperature 1h and obtains object activity
Charcoal；The quality proportioning for the liquor potassic permanganate that wherein Materialien and mass percentage concentration are 1.0% is 1:50.
Embodiment 3
Fresh process hemp stalk is selected, places 20h in air after primary industry hemp stalk is cut into 2cm × 2cm size
Obtain material a；Material a is placed in progress wetting balance regulation moisture content in the environment of a closed constant temperature and humidity to obtain for 9%
To material b；Material b is placed in the extraction kettle of supercritical carbon dioxide extraction apparatus, is 52 DEG C in extraction temperature, extracting pressure
For 33MPa, extraction 120min obtains liquid c and residue d under conditions of carbon dioxide flow is 40Kg/h；Residue d crushed
50 meshes obtain Materialien, the liquor potassic permanganate that Materialien and mass percentage concentration are 0.8% are uniformly mixed, room temperature immersion 3h
After be dried to obtain material f；Material f is warming up to 800 DEG C in Muffle furnace, and cooled to room temperature obtains material after keeping the temperature 2h
g；Liquid c is added to cooled to room temperature after being warming up to 500 DEG C after mixing in material g and keeping the temperature 0.8h and obtains object work
Property charcoal；The quality proportioning for the liquor potassic permanganate that wherein Materialien and mass percentage concentration are 0.6% is 1:60.
Claims (10)
1. application of a kind of extract of industrial hemp stalk in active carbon, it is characterized in that: the extraction of the industrial hemp stalk
Object is preparing the application in active carbon.
2. application of the extract of industrial hemp stalk according to claim 1 in active carbon, it is characterized in that: the work
The extract of sparetime university's hemp stalk prepare active carbon the following steps are included:
1) select fresh process hemp stalk, after chopping in air place 12~obtain material a for 24 hours；
2) water content of material a is regulated to 8~10% and obtains material b；
3) material b is placed in the extraction kettle of supercritical carbon dioxide extraction apparatus, is 50~55 DEG C in extraction temperature, extraction pressure
Power is 30~35MPa, and 100~150min of extraction obtains liquid c and residue under conditions of carbon dioxide flow is 30~50Kg/h
d；
4) residue d is pulverized and sieved to obtain Materialien, Materialien and activator solution is uniformly mixed, done after 2~4h of room temperature immersion
It is dry to obtain material f；
5) material f is warming up to 700~900 DEG C in Muffle furnace, and cooled to room temperature obtains material g after 1~3h of heat preservation；
6) liquid c is added to and is warming up to 400~600 DEG C after mixing in material g and keeps the temperature cooled to room temperature after 0.5~1h
Obtain object active carbon.
3. application of the extract of industrial hemp stalk according to claim 2 in active carbon, it is characterized in that: described cuts
Broken is that primary industry hemp stalk is cut into (1~3) cm × (1~3) cm size.
4. application of the extract of industrial hemp stalk according to claim 2 in active carbon, it is characterized in that: the tune
Control is humidification or drying.
5. application of the extract of industrial hemp stalk according to claim 4 in active carbon, it is characterized in that: the tune
Control is that wetting balance regulation is carried out in the environment for be placed in material a one closed constant temperature and humidity.
6. application of the extract of industrial hemp stalk according to claim 2 in active carbon, it is characterized in that: the powder
Broken sieving is to crushed 50 meshes.
7. application of the extract of industrial hemp stalk according to claim 2 in active carbon, it is characterized in that: the work
Agent solution is liquor potassic permanganate.
8. application of the extract of industrial hemp stalk according to claim 7 in active carbon, it is characterized in that: the height
The mass percentage concentration of potassium manganate solution is 0.2~1.0%.
9. application of the extract of industrial hemp stalk according to claim 2 in active carbon, it is characterized in that: Materialien and
The quality proportioning of activator solution is 1:(50~100).
10. application of the extract of the industrial hemp stalk according to claim 2 or 9 in active carbon, it is characterized in that: material
The quality proportioning of e and activator solution is 1:60.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910546072.9A CN110294476A (en) | 2019-06-23 | 2019-06-23 | A kind of application of the extract of industrial hemp stalk in active carbon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910546072.9A CN110294476A (en) | 2019-06-23 | 2019-06-23 | A kind of application of the extract of industrial hemp stalk in active carbon |
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| Publication Number | Publication Date |
|---|---|
| CN110294476A true CN110294476A (en) | 2019-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910546072.9A Pending CN110294476A (en) | 2019-06-23 | 2019-06-23 | A kind of application of the extract of industrial hemp stalk in active carbon |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11292722B2 (en) * | 2019-12-06 | 2022-04-05 | NextLeaf Solutions Ltd. | Treatment of spent cannabis biomass |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101181993A (en) * | 2007-12-13 | 2008-05-21 | 中国人民解放军总后勤部军需装备研究所 | Kenaf stalk activated charcoal and preparation method thereof |
| CN102266122A (en) * | 2011-08-01 | 2011-12-07 | 云南聚恒科技有限公司 | Smoking filter material using hemp straw active carbon |
| CN104692379A (en) * | 2014-12-24 | 2015-06-10 | 无限极（中国）有限公司 | Hemp-stem active carbon and preparation method, forming method and application thereof |
| RU2562984C1 (en) * | 2014-07-02 | 2015-09-10 | Открытое акционерное общество "Электростальское научно-производственное объединение "Неорганика" (ОАО "ЭНПО "Неорганика") | Method of production of activated carbon from plant material - straw of cruciferous oil crops |
| CN106117848A (en) * | 2016-06-28 | 2016-11-16 | 陈建峰 | A kind of preparation method of Halogen activated carbon synergistic expandable flame retardant rubber |
-
2019
- 2019-06-23 CN CN201910546072.9A patent/CN110294476A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101181993A (en) * | 2007-12-13 | 2008-05-21 | 中国人民解放军总后勤部军需装备研究所 | Kenaf stalk activated charcoal and preparation method thereof |
| CN102266122A (en) * | 2011-08-01 | 2011-12-07 | 云南聚恒科技有限公司 | Smoking filter material using hemp straw active carbon |
| RU2562984C1 (en) * | 2014-07-02 | 2015-09-10 | Открытое акционерное общество "Электростальское научно-производственное объединение "Неорганика" (ОАО "ЭНПО "Неорганика") | Method of production of activated carbon from plant material - straw of cruciferous oil crops |
| CN104692379A (en) * | 2014-12-24 | 2015-06-10 | 无限极（中国）有限公司 | Hemp-stem active carbon and preparation method, forming method and application thereof |
| CN106117848A (en) * | 2016-06-28 | 2016-11-16 | 陈建峰 | A kind of preparation method of Halogen activated carbon synergistic expandable flame retardant rubber |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11292722B2 (en) * | 2019-12-06 | 2022-04-05 | NextLeaf Solutions Ltd. | Treatment of spent cannabis biomass |
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| PB01 | Publication | ||
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Application publication date: 20191001 |