Wheat Germ Oil Processing Equipment Subcritical Extraction Equipment and Refining Equipment
Henan subcritical extraction has strong selective extraction ability for phytosterol and vitamin E, the content of phytosterol in wheat germ crude oil extracted by subcritical butane can reach 3%(3000ppm), and the content of full VE can reach 0.2% (2000PPM), which are the highest content of edible oils in the market at present. The octacosanol contained in the oil is also its advantage, which helps to improve the body's energy.
The wheat germ after oil extraction, called defatted wheat germ, has a protein content of 29%, and there is a certain market demand for flaky products and products after grinding.
The main process parameters of subcritical extraction are:
Water content of embryo: about 10%
Material dissolution ratio: 1:1~1:1.5
Extraction pressure: ≤0.5MPa
Extraction temperature: 20℃~40℃
Countercurrent extraction times: 3 times
Residue oil: ≤0.7%
Advantages of Subcritical Oil Extraction Machine
Subcritical extraction is the drawing out of active substance from natural plants, animals and any other bio material. Pressure of approximately 0.3-0.8 MPa is used in the extraction process using the gaseous agent that turns fluid In such kind of pressure. The state is necessary as it increases permeability, transfer rate and dissolving capability. It has proved effective and efficient in the extraction of oils such as essential and solvent extraction oils; also the plant proteins and natural pigments.
Low Temperature Solvent Extraction Process
Capacity range: 0.1~200 T/D
How Subcritical Extraction is Better than Traditional Solvent Extraction?
It ensures the residual solvent is
them of high and better quality than those which traditional oil mill was used on. Solvent needed for processing is less than 8kg way lower than what could have been spent in traditional solvent extraction.
Great deal of energy is saved because steam is not necessary. Subcritical extraction is the best when it comes to extraction of precious oil, vegetable protein or natural pigment. It has high extraction ratio as compared to the traditional method. The environment is well catered for. There is zero pollution due to discharge.
How Subcritical is Better than Supercritical Extraction?
The word "super" before supercritical does not necessarily make supercritical extraction better than subcritical in any way. On the contrary, it still retains the benefits of supercritical extraction and beats it further on the following:
· You need less capital investment to start it.
· You will incur lower production costs as compared to when you were running supercritical.
· It makes it easier to run it even in a larger industrial scale.
· Less pressure required which translates to lower cost of equipment needed.
· The less pressure also comes in handy in terms of industrialization scale production with which would not be possible in supercritical extraction.
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