plc controlled experimental supercritical fluid_extraction equipment

HA420-40-96 Supercritical co2 extraction equipment

Supercritical co2 extraction machine, system, for essential oil

Pilot scale supercritical co2 extraction systems

Extraction kettle:Material: 0Cr18Ni9;

Volume: 24L 4 set;

Maximum working pressure: 40MPa.

Separation tank:Material: 0Cr18Ni9;

Volume: 20L,10L 2sets;

Maximum working pressure: 30MPa.

CO2 extraction machine


Supercritical fluid extraction equipment
HA420-40-96 Supercritical co2 extraction equipment

Working Principle

The ASME Standard Supercritical Fluid Co2 Extraction Machine/Equipment is suitable for producing pharmaceutical CBD and various essential oil and hemp oil extraction , herbal and plant oil extraction. It is widely used to produce the garlic oil, essential oil, rose oil, caffeine, fructus hippophae etc.

1. What is supercritical Co2 fluid:

Supercritical Co2 is a fluid state, which occurs at or above its critical temperature 31.1 C and critical pressure 7.38 0 bar.

2. Characteristics’ of Supercritical Co2 Fluid:

a. Density under gas and liquid phase, close to liquid, or namely as dense gas, dissolve ability close to liquid.

b. Viscosity between gas and liquid phase, close to gas.

c. Diffusion coefficient between gas and liquid, much bigger than liquid phase, strong penetrability.

3. Supercritical Co2 Fluid Application

a. Food industries

b. Medical care food industries

c. The effective components in Chinese herbal medicine extraction

d. Extraction of natural flavors and fragrances

e. Natural pigment extraction

Supercritical co2 extraction machine
HA421-40-200 Supercritical co2 extraction equipment

Supercritical co2 extraction machine features:

★ Low Critical temperature suitable for extraction and purification of heat sensitive compound.

★ Being capable to provide inert environment to avoid oxidation of products and affection of effective content of extracts.

★ Fast extraction speed, no toxicity, non-flammable, safe application and no pollution upon environment.

★ No residue of solvent, no nitrate and ions of heavy metal.

Some Utilized Resources

supercritical co2 extraction machine:Sea buckthorn fruit oil ,grape seed oil oidiophore oil of glossy ganoderma ,fish oil,arteanuin ,netmeg oil,menthence,mother chrysanthemum oil, curcuma oil pigment, lycopin, cortex magnoliae officinalis extract, olibanum extract,Gingerol, pepper haematochrome ,dried tiny shrimp ,haematochrome, Zanthoxylum oil,garlic oil ,tobacco leaves essence oil.




Extraction kettle

Equipped with heated circulation water jacket, temperature is adjustable, equipped with material tank. Material: 0Cr18Ni9. Specification:24L/40MPa,4sets.


Separation kettle

Equipped with water jacketed circulating heating system, temperature adjustable.Material: 0Cr18Ni9.Specification:20L/25Mpa, 10L/25Mpa each set.


CO2 high pressure pump

Three plunger,max displacement is 600L/40Mpa.h,1 set. Adjustable frequency conversion,pump head with cooling system.


Entrainer pump

Flow specification: 1/4-20L/40MPa.h, mechanical adjustment, 1 set.


Refrigeration system

Cooling capacity:22000Kcal/h, air cooling, water cooling.

Temperature control range: -5°C~+5°C to meet process requirements.


Heat exchange system

Material: 0Cr18Ni9.Specification:Φ14/40MPa、Φ18/30Mpa, 6 sets.

Equipped with water jacketed circulating heating system, temperature adjustable.


Purification system

Material: 0Cr18Ni9. 5L/16MPa.


CO2 storage tank

Material: 0Cr18Ni9.20L/16MPa, 2 sets.


CO2 level gauge

1200/16Mpa,1 set, showing CO2 tank level.


Flow meter

Metal tube float flowmeter, digital remote transmission. Digital display: display instantaneous and cumulative flow respectively.


Temperature Control System

Control range: adjustable from room temperature to 75 °C (water bath).

Dynamic temperature control accuracy: ±1 °C, digital display dual screen.


Safety protection device

1. High-pressure pump outlet distribution contact pressure gauge, set working pressure, over-pressure automatic stop pump protection.

2. The extraction kettle, the separation kettle and the storage tank are respectively equipped with safety valves and overpressure automatic pressure relief protection according to the highest working pressure.



Material:0Cr18Ni9.  2L/40Mpa for mixing of entrainer and CO2.



Valves、fittings: DW14 and DW18.

The container, valve, pipe fittings and pipelines that contact the fluid are made of 0Cr18Ni9 stainless steel. The valve stem of the valve is specially heat-treated and durable.


Barrel lifting system

Equipped with electric hoist for loading and unloading of material cylinders.





Instrument features

1. The extraction kettle pressure ring opens quickly.

2. CO2 is recycled.

3. Pressure regulation of extraction kettle adopts imitated back pressure valve, stable pressure, easy to adjust.



1. Power supply: three-phase four-wire system 380V/50HZ, total power is55KW, normal operation is25KW.

2. CO2: food grade ≥ 99.5%,user-supplied.

3. Installation size: 6800×6000×4000m/m, plus operating space.

Supercritical co2 extraction equipment
HA420-40-96 Supercritical co2 extraction equipment

Supercritical co2 extraction equipment

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