CN111450811A - Process for adsorbing essential oil by using silica gel desiccant or molecular sieve desiccant - Google Patents
Process for adsorbing essential oil by using silica gel desiccant or molecular sieve desiccant Download PDFInfo
- Publication number
- CN111450811A CN111450811A CN201910051793.2A CN201910051793A CN111450811A CN 111450811 A CN111450811 A CN 111450811A CN 201910051793 A CN201910051793 A CN 201910051793A CN 111450811 A CN111450811 A CN 111450811A
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- CN
- China
- Prior art keywords
- silica gel
- molecular sieve
- desiccant particles
- particles
- stirring tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/103—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate comprising silica
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/16—Alumino-silicates
- B01J20/18—Synthetic zeolitic molecular sieves
- B01J20/183—Physical conditioning without chemical treatment, e.g. drying, granulating, coating, irradiation
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B9/00—Essential oils; Perfumes
- C11B9/02—Recovery or refining of essential oils from raw materials
Abstract
The invention relates to the field of essential oil, in particular to a process for adsorbing essential oil by using a silica gel desiccant or a molecular sieve desiccant, which comprises the following steps: (1) putting silica gel desiccant particles or molecular sieve desiccant particles into a screening machine for screening, (2) putting the silica gel desiccant particles or the molecular sieve desiccant particles into a sterilizing machine for sterilization; (3) putting the sterilized silica gel desiccant particles or molecular sieve desiccant particles into a vacuum stirring tank; (4) heating the vacuum stirring tank; (5) dripping the essential oil into a vacuum stirring tank, and stirring for 30-90 min; (6) keeping the vacuum stirring tank in a sealed state for 4-6 days; (7) the vacuum stirring tank is opened, and the silica gel desiccant particles or the molecular sieve desiccant particles are taken out and packaged to obtain the essential oil, and the essential oil has the advantages of high adsorption performance, good thermal stability, stable chemical property and higher mechanical strength by adopting the silica gel desiccant particles or the molecular sieve desiccant particles as carriers of the essential oil; the invention is environment-friendly, safe, nontoxic and tasteless, and has long duration.
Description
Technical Field
The invention relates to the field of essential oil, in particular to a process for adsorbing essential oil by using a silica gel desiccant or a molecular sieve desiccant.
Background
The essential oil is volatile aromatic substance extracted from flower, leaf, stem, root or fruit of plant by steam distillation, extrusion, cold soaking or solvent extraction. Essential oils are divided into diluted (compound essential oils) and undiluted (single essential oils) such as cactus seed oil. Essential oils are very volatile and evaporate quickly upon contact with air, and for this reason they must be stored in dark bottles that can be sealed.
At present, no technology for attaching essential oil by using silica gel desiccant or molecular sieve desiccant exists. The silica gel particle drying agent is mainly used for absorbing moisture, preventing moisture and adsorbing and filtering impurities in water; the molecular sieve drying agent is mainly used in metallurgy, chemical industry, electronics, petrochemical industry, natural gas and other industries, essential oil is directly used, volatilization speed is high, and fragrance is difficult to last.
Disclosure of Invention
The invention aims to provide a process for adsorbing essential oil by using a silica gel desiccant or a molecular sieve desiccant, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a process for adsorbing essential oils using silica gel desiccant or molecular sieve desiccant, comprising the steps of: (1) putting silica gel desiccant particles or molecular sieve desiccant particles into a screening machine for screening to remove impurities and debris in the silica gel desiccant particles or molecular sieve desiccant particles; (2) putting silica gel desiccant particles or molecular sieve desiccant particles into a sterilizing machine, and sterilizing for 3-6 h; (3) putting the sterilized silica gel desiccant particles or molecular sieve desiccant particles into a vacuum stirring tank, and keeping the vacuum stirring tank at vacuum; (4) heating the vacuum stirring tank to keep the temperature in the vacuum stirring tank at 40-60 ℃; (5) dripping the essential oil into a vacuum stirring tank, and stirring for 30-90 min; (6) keeping the vacuum stirring tank in a sealed state for 4-6 days; (7) and opening the vacuum stirring tank, taking out the silica gel desiccant particles or the molecular sieve desiccant particles, removing essential oil attached to the surfaces of the silica gel desiccant particles or the molecular sieve desiccant particles, and packaging to obtain the silica gel desiccant particles or the molecular sieve desiccant particles.
Further, in the step (2), the sterilizer is an ultraviolet sterilizer.
Further, in the step (2), the disinfection time is 5 hours.
Further, in the step (4), the temperature in the vacuum stirring tank was 50 ℃.
Further, in the step (5), the stirring time is 60 min.
Further, in step (6), the vacuum tube is kept in a sealed state for 5 days.
Further, in the step (7), the essential oil attached to the surface of the silica gel desiccant particles or the molecular sieve desiccant particles is wiped off by using an oil absorption paper.
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects: the invention adopts silica gel desiccant particles or molecular sieve desiccant particles as the carrier of the essential oil, and has the advantages of high adsorption performance, good thermal stability, stable chemical property, higher mechanical strength and the like; the silica gel desiccant granules or the molecular sieve desiccant granules belong to environment-friendly substances and have no toxicity; the essential oil adsorbed in the silica gel desiccant particles or the molecular sieve desiccant particles can continuously and slowly release the smell of the essential oil and can last for more than 3 months, heating and an aroma diffuser are not needed, the duration is long, and the use is convenient.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Example 1
A process for adsorbing essential oils using silica gel desiccant or molecular sieve desiccant, comprising the steps of: (1) putting silica gel desiccant particles or molecular sieve desiccant particles into a screening machine for screening to remove impurities and debris in the silica gel desiccant particles or molecular sieve desiccant particles; (2) putting silica gel desiccant particles or molecular sieve desiccant particles into an ultraviolet disinfection machine, and disinfecting for 3 hours; (3) putting the sterilized silica gel desiccant particles or molecular sieve desiccant particles into a vacuum stirring tank, and keeping the vacuum stirring tank at vacuum; (4) heating the vacuum stirring tank to keep the temperature in the vacuum stirring tank at 40 ℃; (5) dripping the essential oil into a vacuum stirring tank, and stirring for 30 min; (6) keeping the vacuum stirring tank in a sealed state for 4 days; (7) opening the vacuum stirring tank, taking out the silica gel desiccant particles or the molecular sieve desiccant particles, wiping off the essential oil attached to the surfaces of the silica gel desiccant particles or the molecular sieve desiccant particles by using oil absorption paper, and packaging to obtain the silica gel desiccant particles or the molecular sieve desiccant particles.
Example 2
A process for adsorbing essential oils using silica gel desiccant or molecular sieve desiccant, comprising the steps of: (1) putting silica gel desiccant particles or molecular sieve desiccant particles into a screening machine for screening to remove impurities and debris in the silica gel desiccant particles or molecular sieve desiccant particles; (2) putting silica gel desiccant particles or molecular sieve desiccant particles into a plasma sterilizer, and sterilizing for 6 hours; (3) putting the sterilized silica gel desiccant particles or molecular sieve desiccant particles into a vacuum stirring tank, and keeping the vacuum stirring tank at vacuum; (4) heating the vacuum stirring tank to keep the temperature in the vacuum stirring tank at 60 ℃; (5) dripping the essential oil into a vacuum stirring tank, and stirring for 90 min; (6) keeping the vacuum stirring tank in a sealed state for 6 days; (7) opening the vacuum stirring tank, taking out the silica gel desiccant particles or the molecular sieve desiccant particles, wiping off the essential oil attached to the surfaces of the silica gel desiccant particles or the molecular sieve desiccant particles by using oil absorption paper, and packaging to obtain the silica gel desiccant particles or the molecular sieve desiccant particles.
Example 3
A process for adsorbing essential oils using silica gel desiccant or molecular sieve desiccant, comprising the steps of: (1) putting silica gel desiccant particles or molecular sieve desiccant particles into a screening machine for screening to remove impurities and debris in the silica gel desiccant particles or molecular sieve desiccant particles; (2) putting silica gel desiccant particles or molecular sieve desiccant particles into an ultraviolet disinfection machine, and disinfecting for 4 hours; (3) putting the sterilized silica gel desiccant particles or molecular sieve desiccant particles into a vacuum stirring tank, and keeping the vacuum stirring tank at vacuum; (4) heating the vacuum stirring tank to keep the temperature in the vacuum stirring tank at 45 ℃; (5) dripping the essential oil into a vacuum stirring tank, and stirring for 45 min; (6) keeping the vacuum stirring tank in a sealed state for 5 days; (7) opening the vacuum stirring tank, taking out the silica gel desiccant particles or the molecular sieve desiccant particles, wiping off the essential oil attached to the surfaces of the silica gel desiccant particles or the molecular sieve desiccant particles by using oil absorption paper, and packaging to obtain the silica gel desiccant particles or the molecular sieve desiccant particles.
Example 4
A process for adsorbing essential oils using silica gel desiccant or molecular sieve desiccant, comprising the steps of: (1) putting silica gel desiccant particles or molecular sieve desiccant particles into a screening machine for screening to remove impurities and debris in the silica gel desiccant particles or molecular sieve desiccant particles; (2) putting silica gel desiccant particles or molecular sieve desiccant particles into a plasma sterilizer, and sterilizing for 5 hours; (3) putting the sterilized silica gel desiccant particles or molecular sieve desiccant particles into a vacuum stirring tank, and keeping the vacuum stirring tank at vacuum; (4) heating the vacuum stirring tank to keep the temperature in the vacuum stirring tank at 55 ℃; (5) dripping the essential oil into a vacuum stirring tank, and stirring for 80 min; (6) keeping the vacuum stirring tank in a sealed state for 6 days; (7) opening the vacuum stirring tank, taking out the silica gel desiccant particles or the molecular sieve desiccant particles, wiping off the essential oil attached to the surfaces of the silica gel desiccant particles or the molecular sieve desiccant particles by using oil absorption paper, and packaging to obtain the silica gel desiccant particles or the molecular sieve desiccant particles.
Example 5
A process for adsorbing essential oils using silica gel desiccant or molecular sieve desiccant, comprising the steps of: (1) putting silica gel desiccant particles or molecular sieve desiccant particles into a screening machine for screening to remove impurities and debris in the silica gel desiccant particles or molecular sieve desiccant particles; (2) putting silica gel desiccant particles or molecular sieve desiccant particles into an ultraviolet disinfection machine, and disinfecting for 5 hours; (3) putting the sterilized silica gel desiccant particles or molecular sieve desiccant particles into a vacuum stirring tank, and keeping the vacuum stirring tank at vacuum; (4) heating the vacuum stirring tank to keep the temperature in the vacuum stirring tank at 50 ℃; (5) dripping the essential oil into a vacuum stirring tank, and stirring for 60 min; (6) keeping the vacuum stirring tank in a sealed state for 5 days; (7) opening the vacuum stirring tank, taking out the silica gel desiccant particles or the molecular sieve desiccant particles, wiping off the essential oil attached to the surfaces of the silica gel desiccant particles or the molecular sieve desiccant particles by using oil absorption paper, and packaging to obtain the silica gel desiccant particle or the molecular sieve desiccant particle.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (7)
1. A process for adsorbing essential oil by using a silica gel desiccant or a molecular sieve desiccant is characterized by comprising the following steps of: (1) putting silica gel desiccant particles or molecular sieve desiccant particles into a screening machine for screening to remove impurities and debris in the silica gel desiccant particles or molecular sieve desiccant particles; (2) putting silica gel desiccant particles or molecular sieve desiccant particles into a sterilizing machine, and sterilizing for 3-6 h; (3) putting the sterilized silica gel desiccant particles or molecular sieve desiccant particles into a vacuum stirring tank, and keeping the vacuum stirring tank at vacuum; (4) heating the vacuum stirring tank to keep the temperature in the vacuum stirring tank at 40-60 ℃; (5) dripping the essential oil into a vacuum stirring tank, and stirring for 30-90 min; (6) keeping the vacuum stirring tank in a sealed state for 4-6 days; (7) and opening the vacuum stirring tank, taking out the silica gel desiccant particles or the molecular sieve desiccant particles, removing essential oil attached to the surfaces of the silica gel desiccant particles or the molecular sieve desiccant particles, and packaging to obtain the silica gel desiccant particles or the molecular sieve desiccant particles.
2. The process for adsorbing essential oil by using silica gel desiccant or molecular sieve desiccant as claimed in claim 1, wherein in step (2), the sterilizer is an ultraviolet sterilizer.
3. The process for adsorbing essential oils using silica gel desiccant or molecular sieve desiccant as claimed in claim 1, wherein in step (2), the disinfection time is 5 h.
4. A process for the adsorption of essential oils using silica gel desiccant or molecular sieve desiccant according to any of claims 1 to 3 wherein in step (4) the temperature in the vacuum stirred tank is 50 ℃.
5. The process for adsorbing essential oils using silica gel desiccant or molecular sieve desiccant as claimed in claim 4, wherein in step (5), the stirring time is 60 min.
6. The process of claim 4, wherein in step (6), the vacuum tube is kept sealed for 5 days.
7. The process for adsorbing essential oils using silica gel desiccant or molecular sieve desiccant as claimed in claim 4, wherein in step (7), the essential oils adhered to the surface of the silica gel desiccant particles or molecular sieve desiccant particles are wiped off with an oil-absorbing paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910051793.2A CN111450811A (en) | 2019-01-21 | 2019-01-21 | Process for adsorbing essential oil by using silica gel desiccant or molecular sieve desiccant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910051793.2A CN111450811A (en) | 2019-01-21 | 2019-01-21 | Process for adsorbing essential oil by using silica gel desiccant or molecular sieve desiccant |
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| Publication Number | Publication Date |
|---|---|
| CN111450811A true CN111450811A (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910051793.2A Pending CN111450811A (en) | 2019-01-21 | 2019-01-21 | Process for adsorbing essential oil by using silica gel desiccant or molecular sieve desiccant |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005268A (en) * | 2014-05-30 | 2014-08-27 | 滁州卷烟材料厂 | Antibacterial moisture-proof high-quality tipping base paper and preparation method thereof |
| CN106111073A (en) * | 2016-06-20 | 2016-11-16 | 皖南医学院 | A kind of desiccant and preparation method thereof |
| CN106421856A (en) * | 2016-12-09 | 2017-02-22 | 遂昌维康竹炭开发有限公司 | Combined deodorant and packaging box thereof |
-
2019
- 2019-01-21 CN CN201910051793.2A patent/CN111450811A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005268A (en) * | 2014-05-30 | 2014-08-27 | 滁州卷烟材料厂 | Antibacterial moisture-proof high-quality tipping base paper and preparation method thereof |
| CN106111073A (en) * | 2016-06-20 | 2016-11-16 | 皖南医学院 | A kind of desiccant and preparation method thereof |
| CN106421856A (en) * | 2016-12-09 | 2017-02-22 | 遂昌维康竹炭开发有限公司 | Combined deodorant and packaging box thereof |
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Application publication date: 20200728 |
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| RJ01 | Rejection of invention patent application after publication |