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Rice Bran Oil Making Machine

rice bran oil making machine

Rice Bran Oil Making Machine

Rice bran is the main by-product of rice processing mill, such as per 100kg rice can produce about 5-8kg rice bran. It is also a common kind of oil-bearing material. With the development of rice processing industry and oil extraction technology, setup rice bran oil factory machine is becoming a HOT project with great commercial value to invest in. Rice bran oil production process is not only oil pressing, but also include oil extraction and oil refining, which is important to produce cooking rice bran oil.

How is rice bran oil made? How to start Rice Bran Oil Solvent Extraction Plant? A complete rice bran oil production line generally includes 3 sections: rice bran oil pre-processing section, rice bran oil extraction section, and rice bran oil refining section.

rice bran oil factory machine

Rice Bran Pre-pressing Machine:

Pre-processing generally includes the processes of screening and heating, set for making the rice bran well prepared for oil extraction, just like extraction of other oilseeds.

The purpose of heating is stabilize the rice bran materials. There are two methods of stabilization, chemicals or using heat. Heat method causes the enzymes inside the rice bran to deactivate in 100-120¡æ, which is done by heat injection or extrusive cooking. Stabilization is very crucial to remove the bacteria and enzymes, that cause the rice bran to get spiteful and to lower the fat acid rate.

Rice Bran Oil Extraction Process:

Oil Screw Pressing Machine: Suitable for 1-20ton/day rice bran oil production line.

Rice Bran Oil Solvent Extraction Machine: To achieve higher oil yield and improve production efficiency, solvent is used in most industrial or commercial rice oil project. It is ideal choice for medium to large rice bran oil factory. (The capacity can be up to 100ton/day).

rice bran oil factory machine

Extraction by using volatile solvent is the best way for mid and large scale oil mill. Then, the extracted rice bran oil is separated from the solvent through vaporization, the best solvent to use is ethanol. The remaining rice bran waste can be used as a fodder due to its high rate of carbohydrate and protein. There are two outputs in this step: crude rice bran oils, and defatted rice bran meal.

Rice Bran Oil Refining Process:

Basic oil refining steps: clay compound (dewaxing), phosphatides (degumming), fat acid (saponification), dye (bleaching) and scent (deodorization).

rice bran oil factory machine

Refining process is set to remove the majority of free fatty acids and bran wax in crude oil, and make the oil suitable for different applications such as edible oil, biodiesel oil, food additives, etc. The crude rice bran oil will be degummed by enzymatic method, then deacidified and decolorized by enzymatic method.

In some cases when processing dewaxed oil, de-waxing process is also included in oil refinery plant. Steam distillation is the last step of edible rice bran oil factory machine. The purpose is to remove any off flavors and residual free fatty acids. In middle-large rice bran oil factory, refining plant is built to improve the quality of final oil.


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