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Ultrasound Assisted Extraction for Plant Extracion

Ultrasonic sonochemistry equipment applied in different liquid system such as homogenization, cell division, dispersion, degassing or extraction.
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  • RPS-SONO20

  • Rps-sonic

  • RPS-SONO20

Ultrasound Assisted Extraction for Plant Extracion



What's the theory of Ultrasound Assisted Extraction? 

Ultrasound refers to those mechanical sound waves whose frequency is higher than 20 kHz and smaller than 10 MHz. Ultrasonic extraction generally uses a reduced range of frequencies (16 kHz-100 kHz) because higher frequencies would result in too much energy that could lead to the degradation of active ingredients in the plant structure.


For this type of extraction, it is necessary that there is a liquid medium that permits the ultrasonic wave to permeate the plant product. Ultrasonic technology allows the complete extraction of plant material, conserving the integrity of all of the molecules contained in the plant, whether they be thermolabile (proteins, amino acids, vitamins, enzymes, etc.), thermostable, water-soluble, or fat-soluble.  This is made possible because the vibration of the ultrasonic waves that provokes the mechanical breakdown of the cell walls. One obtains a stable totem mixture of the molecules contained in the plant cell in a just a few minutes.


Often, to make the extraction more efficient, one proceeds with a preventative grinding of the plant material: the plants become shredded through common mills, and successively premixed with the solvent. In this way, the liquid used already begins to soak in the plant matter, increasing its volume. This operation becomes very important when one is in the presence of very durable or tough vegetable matter (cortices, roots, seeds, etc.).


For the entire time of extraction, the plant material is maintained in suspension with a light agitation in order to let the ultrasound penetrate all parts of the plant.




Parameter

Model

SONO20-1000

SONO20-2000

SONO15-3000

SONO20-3000

Frequency

20±0.5 KHz

20±0.5 KHz

15±0.5 KHz

20±0.5 KHz

Power

1000 W

2000 W

3000 W

3000 W

Voltage

220/110V

220/110V

220/110V

220/110V

Temperature

300 ℃

300 ℃

300 ℃

300 ℃

Pressure

35 MPa

35 MPa

35 MPa

35 MPa

Intensity of sound

20 W/cm⊃2;

40 W/cm⊃2;

60 W/cm⊃2;

60 W/cm⊃2;

Max Capacity

10 L/Min

15 L/Min

20 L/Min

20 L/Min

Tip Head Material

Titanium Alloy

Titanium Alloy

Titanium Alloy

Titanium Alloy


PRINCIPLE ADVANTAGES OF EXTRACTION THROUGH ULTRASOUND WITH RESPECT TO CONVENTIONAL MACERATION:

Substantial reduction in production time, because the ultrasounds traveling to break the cell walls diminish the transfer time of the active ingredients from the plant material to the solvent. It is possible to obtain a liter of macerated solution in only 15 minutes.


It is an extractive technique that has been given the “bio” accreditation, being solely a physical extraction process with no added chemicals. It uses only natural solvents (oil, water, and alcohol) independent of the solubility of the active ingredients. Very satisfactory yields are obtained in terms of active ingredients since there is almost complete depletion of the plant material.


However, with ultrasounds it is not possible to achieve a selective extraction because there is a complete discharge of all the molecules contained in the plant matter independent of the affinity with the solvent used. If you want to get the separation of the active ingredients contained in the plant mass, subsequent methods must be carried out.


For more inforation, Kindly check the catalogue as follows:

Catalogue of laboratory sonochemistry                       Catalogue of industry sonochemistry


sonochemistry_03

sonochemistry_09


Sonochemical reactions

Three classes of sonochemical reactions exist: homogeneous sonochemistry of liquids, heterogeneous sonochemistry of liquid-liquid or solid–liquid systems, and, overlapping with the aforementioned, sonocatalysis (the catalysis or increasing the rate of a chemical reaction with ultrasound). Sonoluminescence is a consequence of the same cavitation phenomena that is responsible for homogeneous sonochemistry. The chemical enhancement of reactions by ultrasound has been explored and has beneficial applications in mixed phase synthesis, materials chemistry, and biomedical uses. Because cavitation can only occur in liquids, chemical reactions are not seen in the ultrasonic irradiation of solids or solid–gas systems.

For example, in chemical kinetics, it has been observed that ultrasound can greatly enhance chemical reactivity in a number of systems by as much as a million-fold;[16] effectively acting to activate heterogeneous catalysts. In addition, in reactions at liquid-solid interfaces, ultrasound breaks up the solid pieces and exposes active clean surfaces through microjet pitting from cavitation near the surfaces and from fragmentation of solids by cavitation collapse nearby. This gives the solid reactant a larger surface area of active surfaces for the reaction to proceed over, increasing the observed rate of reaction. 

While the application of ultrasound often generates mixtures of products, a paper published in 2007 in the journal Nature described the use of ultrasound to selectively affect a certain cyclobutane ring-opening reaction. Atul Kumar has reported multicomponent reaction Hantzsch ester synthesis in Aqueous Micelles using ultrasound.

Some water pollutants, especially chlorinated organic compounds, can be destroyed sonochemically.

Sonochemistry can be performed by using a bath (usually used for ultrasonic cleaning) or with a high power probe, called an ultrasonic horn, which funnels and couples a piezoelectric element's energy int


See also

Ultrasound

Sonication

Ultrasonics

ultrasonic homogenizer

homogenizer

Homogenization (chemistry)

Sonoelectrochemistry

Kenneth S. Suslick



1. Can your sonochemistry horn be used in an acid (alkali) environment?

Under the acid (alkali) environment, the horn need to be customized according to the actual working conditions of customers.

 

2. Can the ultrasonic sonochemistry work continuously?

Yes , it can work 24hours continue.

 

3. What kind of material is the horn?

Titanium alloy, we also  customized ceramic horn for customer before.

 

4. What’s the time of delivery

 For Conventional horn, 3 days, for customized horn 7 work days.

 

5. Does ultrasonic extraction also require the addition of a chemical catalyst?

No , but some time need Mechanical stirring.

 

6. What’s the advantage of ultrasonic extraction?

Decline the extraction time, and increase the extraction ratio.

 

7. What’s the Processing capacity of one set ultrasonic extraction equipment?

Different horn different Processing capacity, for 2000W Nine-section whip horn can dealing 2L~10L/min.

 

8. Are you manufacturer?

We only manufacturer the transducer and generator our-self, for the horn , we design and buy raw material ,and process by other companies.

 

9. What’s the warranty of your sonochemistry equipment?

All equipment one year warranty.

 

10. Do you have Foreign agent?

Yes, we have agent in Mexico, also We have OEM customer in USA and Germany.

 

11. Is it difficult to install the ultrasonic sonochemistry equipment?

No , it is easy , we will share Installation diagram, also can take install video for you.



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 Ms. Yvonne
  sales@xingultrasonic.com   
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