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2021

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03

Small extraction equipment manufacturer: CO2 supercritical extraction refrigeration effect

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Small extraction equipment manufacturers: Similar to supercritical extraction, subcritical conditions refer to the conditions in which substances exist. Some substances have a higher boiling point but lower than the critical temperature, exist as a fluid, and the pressure is lower than the critical pressure. When the temperature does not exceed a specific value, pressurized gas can be liquefied, but above this temperature, no matter how much pressure is applied, gas cannot be liquefied. This temperature is called the critical temperature of this gas. The pressure required for liquefied gases at critical temperatures is called critical pressure.

160853310740.jpgSmall extraction equipment manufacturers: Subcritical conditions similar to supercritical extraction refer to the conditions of existence of substances, some substances are higher than the boiling point, but lower than the critical temperature, exist in the form of fluids, and the pressure is lower than the critical pressure. When the temperature does not exceed a certain value, the pressurized gas can liquefy the gas, but above this temperature, no matter how much pressure is applied, the gas cannot be liquefied. This temperature is called the critical temperature of this gas. The pressure required to liquefy a gas at a critical temperature is called critical pressure.

Small extraction equipment manufacturers: This extraction method can extract good quality active ingredients without solvent residue after low temperature processing. However, the equipment is put into use at one time, extracted from the high-pressure state, the pipeline volume is small (up to 1000 liters), the production capacity is limited, large-scale production industrialization cannot be realized, and the product cost is high. The addition of a small amount of polar solvent can expand the scope of application of supercritical CO2 extraction equipment to compounds with higher polarity.

Small extraction equipment manufacturers: The temperature change of supercritical CO2 extraction equipment occurs in two factors that affect the density of the extractant and the vapor pressure of the solute. Since the temperature in the low temperature zone (still above the critical temperature) rises, the fluid density decreases, and the solute vapor pressure does not increase, therefore, due to the temperature increase in the solubility of the extractant, the fluid extractant analyzes the solute, the temperature is further increased, and the density of the extractant is further reduced

Small extraction equipment manufacturers: When the second refrigerator is used for carbon dioxide supercritical extraction, the environmentally friendly refrigerator is more advanced in terms of production technology and raw materials, and the equipment will not have equipment failure for a long time. Small extraction equipment manufacturers: The present invention avoids various failures of the equipment, improves the safety of equipment operation, and enables enterprises to use refrigerators for a long time without increasing operating costs. Reducing the cost of refrigerators is not only the dream of many enterprises, if they can complete their production tasks with less energy consumption, enterprises can save at least half of the cost of carbon dioxide supercritical extraction. Second, installing silencers on the air intake and exhaust ports of the cooling tower fan may generate noise of about the intake meter. Cooling performance is not the main purpose of the normal operation of the cooling tower is cooling, so the cooling performance and cooling performance meet the basic requirements of the chiller, so the cooling performance cooling tower ensures the cooling performance through the total area and flow.

 

NANTONG WISDOM SCFE

The Company has committed to the field of supercritical fluid extraction equipment for 30 years.