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The process of extracting should be the best possible method for getting the valuable substances. In this case, Subcritical Extraction shows the most valuable results in extraction technology. It is a procedure with a lot of advantages when comparing to other methods. There are few reasons for this kind of statement. One of them is visibly better extraction that is different in quality and texture. Pigment, plant protein, spice oleoresin and essential oil will be quite different after Subcritical Extraction. 
Scope of application
Sea buck thorn fruit oil, wheat embryo oil, medlar seed oil, grape seed oil,oidiophore oil of glossy ganoderma, kiwifruit oil,
seed oil of Job 's tears, walnut oil, seed oil of forest frog, fish oil, pine pollen oil, cauliflower oil,Arteannuin, sundrops
oil, Angelica sinensis oil, chuanxiong rhizome oil, clove oil,Atractylis oil.
Zedoary turmeric oil, dahurian angelica oil, cinnamon leaf oil, ginkgo oil,netmeg oil, menthence, schisandra oil. plantain seed
oil, radix bupleuri oil, ageratum oil, perilla leaf oil, anchusin, mother chrysanthemum oil. Salvia miltiorrhiza extract, Herba
Andrographis extract, curcuma oil pigment, lycopin, bee glue,antibiotics precipitation.Rhizoma Alismatis oil, yolk powder
phospholipid, cortex magnoliae officinalis extract.Olibanum extract, natural caffeine Srcandra hainanensis extract, cyperus oil,
maloicacid.
Houttuynia cordata oil.Gingerol,pepper haematochrome, drled tiny shrimp haematochrome,zanthoxylum oil,allspice oil resin,onion
root oil, garlic oil,hops extract,tobacco leaves essence oil, ect..
Application : This series of extraction unit is designed for scientific researching and testing.
It is not applicable to commercial production. For the ones who want to start a business, we recommend you our Industrial Extraction Equipment.
We provide a wide capacity range for different needs. It is classified according to the volume of extraction pot. Below is the main equipment consists of a pilot solvent extracting line.
| No. | Equipment | Models and Key Parameter | Quantity | Notes |
|---|---|---|---|---|
| 1 | Volume of Extraction Pot | 5L/ 20L/ 50L/ 100L/ 150L/ 200L | 1 | With Heating Jacket |
| 2 | Separation Tank | 5L/ 20L/ 50L/ 100L/ 150L/ 200L | 1 | With Heating Jacket |
| 3 | Buffer Tank | 5L/ 20L/ 50L/ 100L/ 150L/ 200L | 1 | With Heating Jacket |
| 4 | Condenser | 1m²/ 2m²/ 5m²/ 8m²/ 10m² | 1 | Cool Water |
| 5 | Solvent Pot | 19L/ 29L/ 59L/ 119L/ 159L | 1 | With Solvent Exchange Unit |
| 6 | Gauge Tank | 1L/ 15L/ 45L/ 95L/ 145L | 1 | With Measurement Scale |
| 7 | Heater | 6kw | 1 | Electrical Heating |
| 8 | Hot Water Tank | Size:300*500*500 | 1 | Explosion-proof heater: 5KW |
| 9 | Hot Water Pump | 1 | Explosion-Proof Motor:0.75KW | |
| 10 | Diaphragm compressor | 1 | Explosion-Proof Motor:5.5KW | |
| 11 | Distribution Box | 400*600 | 1 | |
| 12 | Switch Cabinet | 400*500 | 1 |
Oil & oleoresin, extractum and defatted protein are the products you can get directly fromt he extraction machine. First of all, let's see what's the difference between oil and extractum products. For oil seeds and crops, oil products can be extracted directly by the small unit. For flower, herbal and spice, the product is pasty extractum or Oleoresin. If you want to get final essential oil, dewaxing device is needed additionaly. For pigment extraction, you can only get pasty extractum, after-treatment equipment is needed for final purification.
The pilot solvent extraction unit is the best coice for essential oil extraction testing. It adopts low temperature subcritical biological extraction technology to process raw materials. The main solvents in application are liquid propane, butane, dimethyl ether, R134a and liquid ammonia. Under room temperature (low temperature) and certain pressure, it utilizes liquefied sub-critical solvents to process raw materials through countercurrent extraction, further obtains the extract liquor (liquid phrase) and raffinate (solid phrase). The solvents in extract liquor will be separated with target composition through vaporization in the process of distilling (vaporizing), which brings the final products. Meanwhile, the solvents absorbed in the raffinate, also refers to the extracted material, will be distilled out, and the raffinate through distilling will be become another product. It's also worth mentioning that vaporized solvents can be liquefied for recycle uses. The whole process is going under room temperature, therefore, thermosensitive substance within raw material can be better protected.
Our pilot solvent extraction equipment is designed for small or small-scale natural substance extraction research, testing, and design. This is the ideal choice for laboratory qualitative testing. It can be used to extract high-quality plant oils, essential oils, animal oils, microalgae oils, natural pigments, plant proteins, plant spices, etc. Moreover, it is a popular essential oil extraction kit/device on the market. Target users: scientific researchers, researchers, schools, research institutes, laboratories, and other similar users.
Soybean protein powder is a high-quality plant protein. Soybean flour protein with equal nutritional value and good functional characteristics has been widely used in the food industry. Low temperature defatted soybean meal is the main raw material for extracting soybean protein powder. In industry, the soybean carrot extraction method. However, the high-temperature solvent removal and n-hexane solvent in this process have prompted people to seek alternatives to achieve better production.
New Technology for Processing Soybean Powder Protein
Subcritical solvent extraction is an emerging extraction and separation technology. The biggest advantage is the low-temperature extraction process. And the most suitable solvent can be selected as the target product based on different properties. Subcritical solvent extraction technology can also use co solvents. Therefore, it is of great practical significance to leverage the advantages of subcritical solvent extraction technology and promote the rapid development of the soybean protein industry.
Characteristics of soybean protein production technology
The production of soybean protein powder using subcritical solvent extraction technology has many outstanding characteristics.
The soybean meal processed using subcritical solvent extraction technology has a high content of protein and phospholipids, and is fully committed to the goal.
The soybean meal protein isolate processed using subcritical solvent extraction technology has high concentration, good emulsification and stability.
Proper use of co solvents in the production process can improve the quality, skin tone, and emulsifying properties of soybean protein.
The purity and recovery rate of protein extracted from soybean meal using subcritical solvent extraction technology are comparable to any other thermally modified soybean meal.
Product removal:
For oilseeds, oil and skim protein can be directly extracted through this equipment.
For natural pigments, you can obtain a paste like extract or oleoresin (requiring purification equipment for post-treatment).
For herbs, flowers, and spices, extracts or oleoresins can be obtained, and additional dewaxing devices are required to obtain the final essential oil.
Output: 5-150L per batch
| Model | GK-2 | GK-20 |
| Extraction Tank Volume | 2.5L | 20L |
| Voltage | 20V/50/60HZ(adjustable) | 20V/50/60HZ(adjustable) |
| Total Power | 2.5KW | 4KW |
| Design Pressure | 1MPA | 1MPA |
| Using Pressure | 0.8MPA | 0.8MPA |
| Available solvent | Propane, butane, dimethyl ether, tetrafluoroethane (R134a), liquid ammonia, water. | |
| Temperature | <40ºC | <40ºC |
| Material | SUS304 | SUS304 |
| Dimension | 1800*600*1800mm | 2400*1500*2000mm |
We design and manufacture extraction prodcution line for users in need of a simple device for small amounts of extract, as well as more complex equipment for industrial use. Our offer includes preprocess(dryer /grinder) ,coating machine ,package machine and process systems where the substance used as solvent is either a volatile hydrocarbon (butane extraction), an alcohol (alcohol extraction), or CO2 (supercritical extraction). Given the investment cost, complexity of use, and extract quality, each system has some advantages and disadvantages.
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