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Soybean oil refinery plant

Soybean oil refinery plant

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Soybean oil refinery plant is the main equipment in soybean oil processing process. Usually the soybean oil refinery plant is used to refine the crude oil by removing substances that may have an effect on the quality of soybean oil and harmful impurities that may do harm to people’s health. In order to achieve this goal, soybean oil refinery plant needs to go through a series processing procedures such as degumming, neutralization, bleaching, and deodorization.

soybean oil refinery plantLarge scale soybean oil refinery plant

Generally speaking, the methods of soybean oil refining can be divided into chemical refining and physical chemical refining according to the differences in the selection of raw materials and the different ways of operation. These two soybean oil refining methods seem to exist alone, but in actual operation, they cannot be completely separated. Sometimes both physical and chemical refining methods are used in the same soybean oil refining process. Therefore, soybean oil refining is a more flexible process, so it is necessary to pay attention to the changes of the oil in operation and accordingly adopts the most suitable oil refining method based on the proper technical conditions and economic conditions.

soybena oil refining methodChemical refining process and physical refining process of soybean oil

Physical Refining of Soybean Oil:

In Physical Refining, Soybean Oil is subject to distillation to remove free fatty acids. The alkali treatment is completely avoided. This reduces the amount of waste water and eliminates production of soap. This process is becoming more popular.

Chemical Refining of Soybean oil:

In Chemical Refining, Soybean Oil is treated with Caustic soda for separation of free fatty acids from oil. This is a conventional process that can be applied to all oils. A byproduct of alkali refining is soap-stock, which is used for manufacture of low quality washing soap. Alternately, the soap-stock can be treated with acid to recover fatty acids. The waste-water from soybean oil refinery requires extensive treatment. This can be avoided by alternate Physical Refining process.

Process flow chart of soybean oil refinery plant:

Crude soybean oil→ Degumming→Deacidification→Decolorization → Deodorization→ Refined soybean oil

soybean oil refining processSoybean oil refining processing flowchart

Main Steps of soybean oil refinery plant:

1. Degumming is the first step in soybean oil refinery plant. In this step gums in crude oil are removed by hydration with the help of phosphoric acid.

2. In this step, free fatty acids are neutralized by using sodium hydroxide and convert them into soap. Additional impurities are also removed by adsorption on soap.

3. During bleaching process, unwanted pigments are adsorbed physically and oil will become much clearer.

4. Deodorization machine is used to remove unacceptable odors by steam distillation during soybean oil refinery plant, the odoriferous compound are stripped off with the help of live injected steam into heated oil under high vacuum pressure.

 

soybean oil refinery plant Small scale soybean oil refining machine photo

Technical Parameters of soybean oil refinery plant:

Steam consumption 700KG/T oil
Electric consumption 28Kwh/T oil
Water (soften water) 150Kg/T oil
Phosphoric acid 2~3 kg/T oil
Alkali acid valuex1-3kg/T oil
Circulating water cooling water yield 150M3/
Bleaching earth consumption 3-5Kg/T oil
Waste bleaching earth oil content ≤25~35%
Refining losses acid valuex1.2 (chemical refining)

acid valuex 0.6 (physics refining)

Bleaching losses the quantity of bleaching earth×0.25%
Deodorization loss consumption ≤0.5%≤0.5%
Refining rate 1-refining consumption

Friendly reminder:

Henan Doing Company's soybean oil refinery plant has three types according to different capacities and clients' requirements for final product oil. They are 1-30tpd batch type soybean oil refinery plant, 20-50tpd semi-continuous soybean oil refinery plant and 50-1000tpd fully-continuous soybean oil refinery plant.

soybean oil refinery plant There are three types soybean oil refinery plants can be selected by customers

Henan Doing Company is your reliable soybean oil refining machine supplier. We will choose the most suitable soybean oil refining process and soybean oil refinery plant according to the different requirements of different types of oil. If you are truly interested in soybean oil production, please contact us directly.

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