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How To Refine Edible Oil - China

price: 456000.00 Dollar US$

How to refine edible oil ?

Edible oil refining process is as below:

Crude edible oil – degumming – deacidification – decolorization – deodorization – edible oil product

Following is edible oil refining process:

A.

Degumming part:

This is the most important section of hydrate de-gumming, the water (there is a little P-acid in water) amount, temperature and water adding speed are very important.

B.

Deacidification part:

Using alkali like (NaOH) to neutralize FFA in oil, during this process it will produce soapstock, then separating it from the oil.

NAOH solution not only neutralize free fatty acid, but also can act with other substances like protein, mucus, phospholipid, pigment.

C.

Decolorization part:

Because there is pigment in crude oil, the oil color is dark.

In order to improve oil color, we need to using the active clay to absorb the pigment away, then using vibrating filter to separate the waste clay.

If you want to get light color oil, you need to add more active clay.

Customer can accord to his requirement to control the oil color.

D.

Deodorization part:

Control oil temperature to 250 ~ 270 ℃ when decolorized edible oil enters into deodorizer, in direct steam injection, the free fatty acids, ketones, aldehydes and other impurities are removed from the oil, the thermal decolorized action also occurs, and the pigment composition is cleaved distilled from the oil.

Deodorized vacuum (absolute pressure) controlled at 266 Pa, the deodorization time is about 2h.


Company Contact:


  • Phone: 008613526615783

  • Address: No.133 Yaozhai Road, Jinshui District, Zhengzhou City, Henan Province, China, zhengzhou , henan , China

  • Email: Email


Published date: December 18, 2016

  • Business Description: Doing Holdings - Henan Jinrui Food Engineering Co., Ltd can provide cassava flour machine & cassava starch machine & garri processing machine.

    DOING Company has professional and experienced engineers for technical support and installation service.

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