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Subcritical fluid extraction
Subcritical fluid extraction is a fluid diffusion separation and extraction technology. Compared with supercritical CO2 extraction technology, it has the advantages of low operating pressure, simple process, low energy consumption, low investment, and easy industrialized mass production. It can solve the defects of small volume, high cost, high energy consumption and large scale industrial production of supercritical extraction equipment. Compared with traditional solvent extraction, subcritical fluid extraction has the advantages of normal temperature extraction, low temperature desolvation, protein invariance, non-oxidation of oil, no destruction of active ingredients, easy removal of solvent, and reduced emissions of "three wastes".
Definition of subcritical fluids.
The state in which the solvent exists in a liquid state at a pressure higher than its boiling point but below its critical temperature is defined as the subcritical state of the solvent, which is also the liquefaction state of the gas. The process of extracting in this state of the solvent is called a subcritical extraction process.
The type of subcritical fluid.
The boiling point of the solvent suitable for subcritical extraction is generally below 0 ° C, and the liquefaction pressure at 20 ° C is below 0.8 MPa (gauge pressure). For example, the working pressure of butane under large-scale production conditions is 0.4 MPa, and the extraction temperature is normal temperature or below 40 degrees.
| Model | HT-YLJ2 | HT-YLJ20 |
| 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 |
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