-r( Subcritical fluids are mainly liquefied butane and propane. The boiling points of the components in this solvent are mostly below ℃. The boiling point of propane is -.℃. The boiling point of butane is -.℃. After pressurizing the gas at normal temperature and pressure, it is Liquid state. The basic principle of this process is: countercurrent extraction of oilseed embryos (such as walnut kernels, evening primrose seeds, etc.) with subcritical fluid at room temperature and a certain pressure (.&;.), and then the solvent in the mixed oil and meal The solvent gas after decompression and vaporization is then compressed, condensed and liquefied by the compressor and then recycled. This technology has now completely replaced supercritical technology and has low cost (the cost of solvent extraction is equivalent to % lower than the cost of supercritical extraction) and large scale. (Kilogram tons processed per day). It is widely used in the extraction of heat-sensitive materials to ensure that the active ingredients of the materials are not destroyed by temperature.
-r( < ::Advantages of this patented technology
-r((), The quality of the meal obtained after extraction is good. The denaturation rate of the water-soluble protein in the meal is greater than %. The residual oil in the meal is less than %. The residual solution is less than; It requires only ℃ hot water to steam, which can save thermal energy by % compared to No. 6 solvent;
(), there is no "three waste pollution" in the production and it is an environmental protection project;
(), the extracted oil is light in color and lecithin The residual solution in oil with low content is less than;
(), normal temperature extraction and low temperature (less than ℃) desolvation will not destroy the heat-sensitive substances in meal and oil. It is an ideal process for the quality-preserving extraction of valuable oils, pigments, and Chinese medicinal materials;
(), small investment, low production cost (compared to carbon dioxide supercritical extraction equipment);
(), subcritical fluid has a wide source and low price. This solvent is available in all oil and gas fields and refineries and the price is lower than No. 6 solvent.
- (The net profit for each ton of wheat germ processed can reach RMB 10,000.
Supply of subcritical tea seed oil production line