North Africa Tunisia SCFE Project HT400-600LX3
Aerospace Wujiang is a very professional and state-own supercritical CO2 fluid ectraction(SCFE) equipment manufacturer with rich design, manufacturer, installation, commissioning, etc. experience. We have provided more than 100 sets industrial size and big amount pilot size SCFE devices home and abroad. In order to provide more service, Aerospace Wujiang built a national class supercritical lab. Our turnkey service is not only for device but also for extraction parameters research.
Tradematt (Henan) Industry Co., Ltd. is Aerospace Wujiang's Representative office in Central China handling the overseas business.As a supplier of high quality materials and equipment with our own production basis, we have built a global sales network, which covers West Europe, Middle East, North America, Southeast Asia, etc.
Supercritical CO2 extraction technology is the most advance, green and environment friendly extraction and separation technology
It uses special dissolve performance of supercritical CO2 fluid which under critical pressure（7.38MPa）and critical temperature（31℃）to extract separate and purify
♦ No organic solvent, no product pollution
♦ High selectivity and high gathering of product
♦ Low operation temperature , no destroy
♦ Easy to separate product and CO2
♦ No discharge of exhaust gas, waste residue and waste water
Supercritical CO2 extraction equipment is high pressure device which can let CO2 change between gas state, liquid state and supercritical state to achieve extraction, separation process needs.
It can extract and separate product by changing pressure, temperature and flow. The whole process is automatic controlled
The supercritical CO2 extraction equipment is composed of CO2 supply system, extraction and separation system, CO2 circulation system, clean system, co-solvent system, cold water circulation system, hot water circulation system, steel platform, control system, tail gas recovery system, and so on.
Device Model：Three extractors and two separators, the volume of extractor from 1L to 5000L ;
Pressure : 0-1000bar;
Control: Computer automatic control, precision of pressure±0.1MPa，precision of temperature ±1 ℃
The tenth Academy of CASIC promotes and accelerates application process of supercritical CO2 technology in the world. we have sold to Euro, Africa, Asia, etc country and place, more than 100 sets industrial size.
We built national class supercritical fluid extraction technology research center. It is the only one in China.
·Ⅰ、Ⅱ、Ⅲ pressure design and manufacture certificate;
· GB/T19001-2000 and GJB9001A-2001 quality certificate;
· ASME certificate for pressure vessels;
· Euro PED and CE certificate;3.Research Team
We built a professional research, sale and after sale service team, with mechanical, hydraulic, electronic heat treatment, material, chemical engineering fields.
♦ SCFE process has inbuilt features, which improve the quality of extracts
♦ Undegraded extracts with delicacy and freshness close to natural
♦ High concentration of desired active components
♦ Preserving the synergistic bio-activity of molecules in the extract
♦ No residual solvent
♦ Free of biological (microbial) contaminants
♦ Longer shelf life
Simultaneous fractionation of extract possible to get spice oil and oleoresin in a single step
Flexible operating conditions for multiple product extraction
Carbon Dioxide (CO2) is used as solvent that is: Generally Regarded as Safe (GRAS) for food products
State of the art PLC based, computerized Instrumentation & Control system with user friendly Human-Machine-Interface (H.M.I / G.U.I).
Innovative features in Hardware as well as Process design.
Support of continued R & D effort in product / process development / optimisation.
Long term commitment for total technical support / services to user industries.
We have rich design, manufacture experience, we can provide customization one-to-one service2. High cost-performance
The price is only 30% to 50% compare with other international brand3. Low production cost
We can reduce 20% energy consumption for customer
Thus the concentrated extracts obtained from SCFE truly preserve and represent the desired goodness present in natural raw materials. This aspect also vastly increases the application potential of natural molecules in processed foods, medicines (Nutraceuticals), convenience products etc.
Over the last few decades, Supercritical Fluid Extraction (SCFE) Technology has emerged as a superior alternative to the conventional techniques (solvent extraction or steam distillation etc). However, there is still a very large potential for the use of SCFE to achieve better value addition and to generate preference for quality natural products, as compared to the traditionally processed natural products that may undergo degradation during conventional processing steps, due to incorporation of heat, oxidation, hydrolysis etc.
Further, We have carried out a detailed feasibility study for SCFE based on existing price of spice oil and oleoresins (prices that of extracts from hexane extraction and steam distillation). SCFE shows a good profitability even without considering premium that may be obtained due to its better quality products. This justifies the investment and on long term perspective makes SCFE a preferred route.
Largest supercritical extraction experiment center around the world
Owning the first set of supercritical extraction system for cannabis in the world
High precision automatic control ensures stable process parameters
Rich manufacture experience in more than 100 sets of industrial-scale equipment, mature application in many fields
3D model-building for all technical solution
Military product quality under aerospace brand
Process R&D supported by the National Engineering Center
Multiple design patents with self-made core high pressure parts
Turnkey service available， Long-term after-sale service
In the supercritical fluid extraction (SCFE) process, extraction is carried out by a solvent above its critical pressure and temperature. A brief description of the SCFE process is given below.
The commercial scale SCFE plant has three extractors, two separators, one CO2 hold-up tank and heat exchangers (see enclosed flow diagram). The extraction process works in a closed loop with constant circulation of CO2 in the system. It is a semi-batch operation with typical batch time of 2 to 4 hours. CO2 is liquefied and fed to the hold-up tank through a heat exchanger (Condenser). Liquid CO2 is then fed to the high-pressure metering pump, through a heat exchanger (sub-cooler) to ensure supply of CO2 in liquid form. The high-pressure liquid from the pump discharge is then heated in a heat exchanger (pre-heater) to achieve supercritical temperature. The entrainer pump can be used for dosing a small quantity of other solvents such as water, ethanol etc. in to the CO2 stream, if desired. This supercritical fluid then flows through the extractors. The raw material powder, to be extracted is held in these extractors with help of perforated baskets for easy handling. Extractors are equipped with specially designed quick acting closures for easy and fast opening of extractors. At any given time only two extractors operate in extraction mode, while the third extractor is out of cycle for change of feed. When any of the two operating extractors need feed change, it is taken out of process and replaced by the third extractor having fresh feed. This sequencing continues to minimise the downtime required for feed change. The supercritical CO2 with dissolved extract then flows to separators.
In the separators, lower temperature and pressure conditions are maintained for recovery of the extract from the CO2 stream. Thus with proper selection of conditions, fractionation of extract can be achieved by using two separators operating in series. Separator-1 is maintained at supercritical conditions, where typically high molecular weight components of the extract precipitate. Whereas in separator-2 sub-critical conditions are maintained for complete recovery of any extract from CO2 stream. The CO2 vapour leaving separator-2 is condensed and fed back to CO2 hold-up tank.
When the solid feed in the extractor needs replacement or when plant is to be shut down, respective vessels are depressurised to atmospheric pressure. In doing so maximum possible CO2 is fed back to CO2 hold-up tank through CO2 depressurising line.
Fast delivery. It took only 2 months from placing the order to the receipt of the 300*3 supercritical fluid CO2 extraction plant.
This is the most impressive cooperation experience I have. Smooth communication. Smooth production. Smooth shipment. Everything was well-organized and went well.
Cannabidiol is extracted from industrial Cannabis, which is the main active ingredient in cannabine, It has a neuroprotective effect, no addictive and the effect of rheumatoid arthritis and anti- anxiety, caused wide attention in areas such as medicine and become a research hotspot in recent years. At present, the Cannabis oil extraction industry greater extraction with solvent extraction, and some of the existing extraction method to spend a lot of valuable organic solvent, high energy consumption, high extract cost, and there is residual solvent in the extracted cannabidiol, smelly, low purity.
Supercritical CO2 extraction can not only improve the extraction purity and extraction rate of industrial Cannabis oil, but also reduce environmental pollution and extraction cost.
By using supercritical CO2 fluid extraction technology to extract the Cannabis oil from industrial Cannabis,during the extraction, the cooled cannabis powder is put into the material barrel of the extraction kettle.The CO2 gas was injected into the extraction kettle, the temperature and pressure in the extraction kettle were kept in contact with the raw material under the supercritical state of CO2 gas, so that the Cannabis oil and other components in Cannabis powder were dissolved in the supercritical fluid, and the fluid containing cannabinol and other components was expanded from the extraction kettle through throttling to the separation kettle for analysis, and then the Cannabis oil was obtained and collected.
We use supercritical CO2 fluid as the extraction solvent and recycle it in the same system, which not only has simple process and low energy consumption, but also has small consumption of solvent and low price. Therefore, the extraction cost is low, and the extraction cycle is also short, only 1-2h, which is one quarter of the production cycle of the existing technology.And the extracted Cannabis oil has good quality, high purity, no odor, no solvent residue, no environmental pollution and other characteristics.
1. (1) Industrial Cannabis was screened, pre-drying, pulverized, dried and cooled before extraction
(2) During the extraction, the industrial Cannabis powder treated by step (1) was put into the material barrel of the extraction,the CO2 gas was injected into the extraction kettle, the temperature and pressure in the extraction kettle were kept in contact with the raw material under the supercritical state of CO2 gas, dissolve the industrial Cannabis oil rich in cannabidiol in the supercritical CO2 fluid
(3) CO2 fluid with cannabidiol-rich industrial Cannabis oil was expanded from the extraction kettle through throttling to the separation kettle, and the cannabidiol-rich industrial Cannabis oil was analyzed and collected
2. Screening refers to the screening of moldy raw materials in industrial Cannabis
3. Predrying refers to put industrial Cannabis in the oven, drying 10 ~ 12 hours under the 50 ~ 60 ℃ temperature or drying to the water content of industrial Cannabis is not greater than 8%
4. The pulverization, drying and cooling steps are to put the predrying industrial Cannabis into a pulverizer and pulverize it into industrial Cannabis powder of 20-40 mesh: then put the industrial Cannabis powder into the oven and drying 10 to 12 hours at a temperature 50-60℃. The industrial Cannabis powder after drying is left in the drying oven and naturally cooled to normal temperature.
Through the two drying processes of pre-drying and drying, the moisture in the raw material can be greatly reduced, and the conditions for reaching the supercritical temperature and pressure of CO2 can be reduced during the extraction, so that the extraction can be completed at a lower temperature and pressure, which can be efficiently performed. Also the can extend the life of the device. The pulverized material can fully contact with the supercritical CO2 fluid, which can greatly increase the extraction rate.
5. The supercritical temperature is 50~60℃ and the pressure is 30MPa.The flow rate of CO2 gas through the extraction kettle is 150~200kg/h, and the extraction time is 1.5~2h
6. The analytical conditions of the separation kettle were temperature 60~65℃ and pressure 5.0MPa
7. Collection means that the industrial Cannabis oil rich in cannabidiol extracted from the same batch of raw materials is rapidly put into the homogenizer after heating in the range of 70-80℃.After homogenizing filling, keep in cool storage away from light
|Application Fields of CO2 SCFE|
|Field Of Application||Application|
|Pharmaceutical||Extraction of effective components from TCM, concentration and refinement of materials for medicine, adn separation and refinement of lipid mixture.|
|Food Industry||Purification of hop and the plant/animal oil, decaffeination of coffee beans, and extraction of various seasonings and plant pigments.|
|Cosmetic Essence/Spices||Separation and refinement of natural/synthetic spices, dealkalization of tobacco, and extraction of raw material for cosmetics.|
|Chemical||Separation of hydrocarbon, refinement of organic synthetic raw material, separation of azeotropic mixure, recycling of raw material after reaction, and dehydration of water solvent of organic solvent.|
|Others||Removal of oil from superconductor, semiconductor, ceramics and petroleum core, synthesis of enzyme, cleaning of precision parts, supercritical reaction, dyeing and printing, etc.|
North Africa Tunisia SCFE Project HT400-600LX3
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Cannabis Supercritical Extraction HT350-600LX3
Cannabis supercritical extraction HT400-600LX3
Medicine&Food SCFE Plant HT400-200LX3
Curmin SCFE Plant HT500-600LX3
Health care product SCFE device HT400-100LX3
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Star anise SCFE plant HT500-100LX3
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