CN103031214A - Lemon verbena dehydration method capable of preparing lemon verbena essential oil incidentally - Google Patents
Lemon verbena dehydration method capable of preparing lemon verbena essential oil incidentally Download PDFInfo
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- CN103031214A CN103031214A CN2012102730550A CN201210273055A CN103031214A CN 103031214 A CN103031214 A CN 103031214A CN 2012102730550 A CN2012102730550 A CN 2012102730550A CN 201210273055 A CN201210273055 A CN 201210273055A CN 103031214 A CN103031214 A CN 103031214A
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- herba verbenae
- essential oil
- lemon verbena
- bake
- water vapour
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Abstract
The invention provides a lemon verbena dehydration method capable of preparing lemon verbena essential oil incidentally. The dehydration method comprises a step of drying and dehydrating the lemon verbena by using a closed dryer, and also comprises a step of collecting the steam, a step of condensing the steam, a step of filtering by an ultra-filtration membrane, a step of filtering by a nano-filtration membrane and a reverse osmosis concentrating step, wherein the concentrated solution obtained after the reverse osmosis concentrating step is lemon verbena essential oil, and the permeate liquid is lemon verbena essence. By adoption of the method, the steam generated in the lemon verbena dehydration drying process is likely to be collected and in which the contained vanilla essential oil is separated, thus the excellent economic effects of making waste profitable and making maximum use of lemon verbena are achieved.
Description
Technical field
The present invention relates to the vanilla manufacture field, be specifically related to a kind of Herba Verbenae dewatering.
Background technology
Vanilla, it is the phyto-group with medicinal plant and the total attribute of spice berry, there is kind more than 3000 in the whole world, common are lavandula angustifolia, Rosmarinus officinalis, the kind such as Thymus vulgaris, Herba Melissae officinalis, purple perilla, peppermint, sweet basil, West Indian lemon grass, Flos Matricariae chamomillae, Herba Verbenae, Geranium, Wrinkled Gianthyssop Herb, wild marjoram.Vanilla contains the vanilla essential oil, proves through science, and these vanilla essential oils have can sterilization, sterilization, expelling parasite, and what have can regulate nervus centralis, and HUMAN HEALTH is highly profitable, and can make the people break away from sub-health state.But such as the savory refreshment, red sweet basil can be controlled and cough antidiarrheal.In addition, the vanilla essential oil also is the important pastil that adds of food, makeup, perfumed soap, medicine industry, therefore has high economic worth.
It is with reference to dewatering vegetable technique vanilla to be carried out processed that a kind of vanilla working method is arranged, and the dehydration vanilla of gained has been widely used in industrial processes after processing, such as industrial circles such as food, healthcare products, makeup, pharmacy.It is to utilize the hot-air seasoning drying and dehydrating that conventional dewatering vegetable technique has a kind of, and the water vapour that produces when wherein drying is generally discharged as waste gas by venting port.But the water vapour that produces in the vanilla dehydration is because containing a certain amount of vanilla essential oil with strong fragrance, and it is discharged as waste gas is very much waste.Separate the good economical effectiveness that then can realize the maximum using vanilla if can invent a kind of method with moisture with the water vapour collection and with vanilla essential oil wherein.
Summary of the invention
The whence this, the invention provides a kind of Herba Verbenae dewatering of the Herba Verbenae essential oil processed of holding concurrently, the water vapour that utilizes the method Herba Verbenae can be dehydrated to produce in the process is collected and is separated the vanilla essential oil that wherein contains, thereby realizes turning waste into wealth, the good economical effectiveness of maximum using Herba Verbenae.
The present invention realizes by following technical scheme:
A kind of Herba Verbenae dewatering of the Herba Verbenae essential oil processed of holding concurrently comprises and utilizes the closed drying machine that Herba Verbenae is carried out bake drying dehydrating step, characterized by further comprising following steps:
Water vapour is collected step, and at the venting port connection one water vapour collector of described closed drying machine, nationality is to collect the water vapour that produces in the Herba Verbenae bake drying dehydration;
The water vapor condensation step connects a closed condensate water recovery device at described water vapour collector, and nationality reclaims the water vapour that described water vapour is collected collection step with condensation;
The ultrafiltration membrance filter step connects a ultrafiltration membrane filter device at described closed condensate water recovery device, and the molecular weight cut-off of the ultra-filtration membrane in the water of condensation that nationality reclaims to filter described water vapor condensation step condenses, described ultrafiltration membrane filter device is 1000;
The nanofiltration membrane filtration step connects a nanofiltration membrane filtration unit at described ultrafiltration membrane filter device, and nationality filters rear ultrafiltration through liquid to filter described ultrafiltration membrance filter step, and the molecular weight cut-off of the nanofiltration membrane in the described nanofiltration membrane filtration unit is 500;
The reverse osmosis concentration step, connect a reverse osmosis membrane apparatus at described nanofiltration membrane filtration unit, nanofiltration after nationality filters with concentrated described nanofiltration membrane filtration step is through liquid, and the concentrated solution after described reverse osmosis concentration step is concentrated is the Herba Verbenae essential oil, and seeing through liquid is the smart dew of Herba Verbenae.
Further, described closed drying machine is carriage-type drying machine or tunnel dryer.
Further, before bake drying dehydration charging to Herba Verbenae screen, cleaning, draining; Preferably, before the charging to Herba Verbenae screen, cut, cleaning, draining.Screening can be removed the clod in the Herba Verbenae, mashed leaf etc., and easier cleaning after cutting, cleaning can be removed the pesticide residue of trace on the Herba Verbenae etc.
Further, the bake out temperature of described bake drying dehydration is 65-85 ℃, is preferably 65-75 ℃, more preferably 70 ℃.
Description of drawings
Fig. 1 is the process flow sheet of the embodiment of the invention 1.
Embodiment
The present invention is described in detail below in conjunction with specific embodiment, and the ultra-filtration membrane device among the embodiment, nano filter membrance device, reverse osmosis membrane apparatus also can be bought, assemble from other manufacturers according to relevant parameter.
Embodiment 1: the Herba Verbenae that takes by weighing 100 kilograms of fresh collections, utilize the sifting machine screening to remove the impurity such as clod, mashed leaf, recycling full-automatic cutting machine cuts Herba Verbenae into about 3 cm lengths, Herba Verbenae after will cutting is again sent into cleaning machine and was cleaned 30 minutes, dried draining 30 minutes with drier again, send into the dehydration of van-type close drying machine bake drying behind the draining, van-type close drying machine belongs to intermittently drying equipment, and it mainly is comprised of envelope, shelf, well heater, blower fan, venting port, air-flow distributor etc.Envelope (kiln) outer wall has thermal insulating warm-keeping layer, is used for placing screening on the shelf, cuts, the Herba Verbenae after the cleaning, draining.Blower fan is used for forcing to suck cleaned air and expel wet gas.Drying source can be arranged on the far infra-red heater in the envelope, also can be the warm air of input outside the railway carriage or compartment.Bake out temperature is 70 ℃, and drying time is 4 hours.30 kilograms in the dehydration lemon verbena protocol that makes at last.
On venting port, also be connected with a water vapour collector, on this water vapour collector, connect again a closed condensate water recovery device, on this closed condensate water recovery device, connect again a ultrafiltration membrane filter device, on this ultrafiltration membrane filter device, connect again a nanofiltration membrane filtration unit, on this nanofiltration membrane filtration unit, connect again a reverse osmosis concentrated compression apparatus, reclaim the separation and purification of the Herba Verbenae essential oil that contains in the water vapour that produces in the Herba Verbenae bake drying dehydration, concentrated branch road thereby form one.In order to improve collection effciency, at the built-in sucking pump of this water vapour collector, so that water vapour is sucked the water vapour collector fast from the drying machine venting port.The water vapour of collecting is condensed into the water of condensation that contains the Herba Verbenae essential oil by the closed condensate water recovery device, then condensate pump is entered the ultrafiltration membrance filter device, ultra-filtration membrane in this ultrafiltration membrane filter device is molecular weight cut-off MWCO (Molecular Weight Cut Off for it, together lower) be 1000, the ultra-filtration membrane that possesses this performance that adopts in the present embodiment is the GE series ultrafiltration membrane element produced of GE company-1000MWCO PEG, and the operating parameterss such as working pressure and flow velocity carry out according to the specification sheets that GE company provides.By this ultra-filtration process, can hold back molecular weight in the water of condensation greater than 1000 macromole impurity.Then the liquid pump that sees through after the ultrafiltration is entered the nanofiltration membrane filtration unit, the molecular weight cut-off MWCO of the nanofiltration membrane in this nanofiltration membrane filtration unit is 500, the nanofiltration membrane that possesses this performance that adopts in the present embodiment is that the model that Millipore company produces is the cellulose acetate membrane of YC05, and working pressure and operated in flow rate parameter are carried out according to the specification sheets that Millipore company provides.By this nanofiltration process, molecular weight in the water of condensation can be held back greater than 500 non-essential oil organic molecule, also comprise a large amount of Herba Verbenae essential oil molecules and see through in the liquid, because the main effectively component molecules amount of Herba Verbenae essential oil is the organism between 130-150 greatly, (be again citral, molecular formula C such as geranic acid
10H
16O, molecular weight 152.23), limonene (molecular formula C
10H
16, molecular weight 136.24) etc.Then the liquid pump that sees through after the nanofiltration is entered reverse osmosis membrane apparatus and carries out reverse osmosis concentration, the reverse osmosis membrane apparatus buying of adopting in the present embodiment is from " Sandamo Science and Technology (Xiamen) Co., Ltd. ", namely make the Herba Verbenae essential oil after concentrated, the concentrated Herba Verbenae essential oil that makes is about 100ml in the present embodiment, see through in the liquid because also having some essential oil small molecules that light fragrance is arranged, generally be referred to as smart revealing, it also has been widely used in fields such as food, makeup, and the smart dew of the Herba Verbenae that makes in the present embodiment is about 60 kilograms.
Embodiment 2: present embodiment saves cuts step, the Herba Verbenae of 100 kilograms of fresh collections utilized the sifting machine screening to remove directly to send into cleaning machine behind the impurity such as clod, mashed leaf cleaned 30 minutes, bake out temperature is 65 ℃, drying time is 5 hours, all the other working method are all identical with embodiment 1 with step, the dehydration Herba Verbenae that makes in the present embodiment is about 35 kilograms, and the Herba Verbenae essential oil is about 80ml, and the smart dew of Herba Verbenae is about 50 kilograms.
Embodiment 3: the step such as present embodiment saves screening, cuts, cleaning, draining, the Herba Verbenae of 100 kilograms of fresh collections is directly sent into the dehydration of van-type close drying machine bake drying, bake out temperature is 75 ℃, drying time is 5 hours, all the other working method are all identical with embodiment 1 with step, the dehydration Herba Verbenae that makes in the present embodiment is about 25 kilograms, and the Herba Verbenae essential oil is about 30ml, and the smart dew of Herba Verbenae is about 45 kilograms.
Embodiment 4: present embodiment carries out the bake drying dehydration with the van-type close drying machine in the double layer tunnel formula close drying machine alternative embodiment 1, all the other working method are all identical with embodiment 1 with step, the dehydration Herba Verbenae that makes in the present embodiment is about 35 kilograms, the Herba Verbenae essential oil is about 70ml, and the smart dew of Herba Verbenae is about 55 kilograms.
Although specifically show and introduced the present invention in conjunction with preferred embodiment; but the those skilled in the art should be understood that; within not breaking away from the spirit and scope of the present invention that appended claims limits; can make a variety of changes the present invention in the form and details, be protection scope of the present invention.
Claims (8)
1. the Herba Verbenae dewatering of the Herba Verbenae essential oil processed of can holding concurrently comprises and utilizes the closed drying machine that Herba Verbenae is carried out bake drying dehydrating step, characterized by further comprising following steps:
Water vapour is collected step, and at the venting port connection one water vapour collector of described closed drying machine, nationality is to collect the water vapour that produces in the Herba Verbenae bake drying dehydration;
The water vapor condensation step connects a closed condensate water recovery device at described water vapour collector, and nationality reclaims the water vapour that described water vapour is collected collection step with condensation;
The ultrafiltration membrance filter step connects a ultrafiltration membrane filter device at described closed condensate water recovery device, and the molecular weight cut-off of the ultra-filtration membrane in the water of condensation that nationality reclaims to filter described water vapor condensation step condenses, described ultrafiltration membrane filter device is 1000;
The nanofiltration membrane filtration step connects a nanofiltration membrane filtration unit at described ultrafiltration membrane filter device, and nationality filters rear ultrafiltration through liquid to filter described ultrafiltration membrance filter step, and the molecular weight cut-off of the nanofiltration membrane in the described nanofiltration membrane filtration unit is 500;
The reverse osmosis concentration step, connect a reverse osmosis membrane apparatus at described nanofiltration membrane filtration unit, nanofiltration after nationality filters with concentrated described nanofiltration membrane filtration step is through liquid, and the concentrated solution after described reverse osmosis membrane enrichment step is concentrated is the Herba Verbenae essential oil, and seeing through liquid is the smart dew of Herba Verbenae.
2. method according to claim 1, it is characterized in that: described closed drying machine is the carriage-type drying machine.
3. method according to claim 1, it is characterized in that: described closed drying machine is tunnel dryer.
4. method according to claim 1 is characterized in that: before the charging to Herba Verbenae screen, cleaning, draining.
5. method according to claim 1 is characterized in that: before the charging to Herba Verbenae screen, cut, cleaning, draining.
6. according to claim 1 to 5 each described methods, it is characterized in that: the bake out temperature of described bake drying dehydration is 65-85 ℃.
7. method according to claim 6 is characterized in that: the bake out temperature of described bake drying dehydration is 65-75 ℃.
8. method according to claim 7 is characterized in that: the bake out temperature of described bake drying dehydration is 70 ℃.
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| CN2012102730550A CN103031214A (en) | 2012-08-02 | 2012-08-02 | Lemon verbena dehydration method capable of preparing lemon verbena essential oil incidentally |
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| CN2012102730550A CN103031214A (en) | 2012-08-02 | 2012-08-02 | Lemon verbena dehydration method capable of preparing lemon verbena essential oil incidentally |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106336951A (en) * | 2016-10-27 | 2017-01-18 | 张文艳 | Method for extracting verbena essence oil from verbena |
| CN106635392A (en) * | 2016-12-14 | 2017-05-10 | 巢湖瑞丰油脂有限公司 | Pre-treatment system for sesame oil production |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1847267A (en) * | 2006-05-10 | 2006-10-18 | 国家海洋局第三海洋研究所 | Chitin oligose preparing process |
| CN1912082A (en) * | 2006-08-16 | 2007-02-14 | 戴礼森 | Drying, distillation device of aromatic plant and its method |
| CN101117614A (en) * | 2007-08-30 | 2008-02-06 | 宋永快 | Method for extracting fragrant liquor and essential oil from aromatic plants by dry-process |
-
2012
- 2012-08-02 CN CN2012102730550A patent/CN103031214A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1847267A (en) * | 2006-05-10 | 2006-10-18 | 国家海洋局第三海洋研究所 | Chitin oligose preparing process |
| CN1912082A (en) * | 2006-08-16 | 2007-02-14 | 戴礼森 | Drying, distillation device of aromatic plant and its method |
| CN101117614A (en) * | 2007-08-30 | 2008-02-06 | 宋永快 | Method for extracting fragrant liquor and essential oil from aromatic plants by dry-process |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106336951A (en) * | 2016-10-27 | 2017-01-18 | 张文艳 | Method for extracting verbena essence oil from verbena |
| CN106635392A (en) * | 2016-12-14 | 2017-05-10 | 巢湖瑞丰油脂有限公司 | Pre-treatment system for sesame oil production |
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Application publication date: 20130410 |