Oil Refining Process

1-600 T/D cooking oil refining plant photo

Oil mill machinery oil refining process
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1-600 T/D cooking oil refining plant


After oil pressing process or oil extraction process, we get crude oil. But the crude oil can’t flow to supermarket. The crude oil must need processing with cooking oil refining plant, especially soybean, cottonseed, rapeseed, palm kernel, etc. Then how much do you know about Cooking Oil Refining Plant? Do you have learned about refining process?

1tpd oil refinery machine
1tpd oil refinery machine

 
Refining is an essential process for a complete oil pressing line because there are still some impurities such as phospholipids, FFA, pigment, odor,etc. in the crude oil.
Cooking Oil Refining Plant equipment:
1. Decoloring tank: bleach pigments from oil.
2. Deodorizing tank: remove the un-favored smell from decolorized oil.
3. Oil furnace: provide enough heat for the refining sections which need high temperature of 280℃.
4. Vacuum pump: provide high pressure for bleaching, deodorization which can reach 755mmHg or more.
5. Air compressor: dry the bleached clay after bleaching.
6. Filter press: filter the clay into the bleached oil.
7. Steam generator: generate steam distillation.


30tpd oil refinery machine
30tpd oil refinery workshop

Five Main Steps of Cooking Oil Refining Process:

1.Crude Oil Degumming: In this step gums in crude oil are removed by hydration with the help of phosphoric acid.
2.Neutralization: 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.Decolorization: During bleaching, unwanted pigments are adsorbed physically and oil will become much clearer.
4.Deodorization: Deodorization is used to remove unacceptable odors by steam distillation, the odoriferous compound are stripped off with the help of live injected steam into heated oil under high vacuum pressure.
5.Dewaxing (necessary for cold areas)
Some kinds of oil like sunflower, maize germ or corn oil have waxes inside, if these impurities are not removed, the oil will freeze easily under low temperature, thus effecting oil quality and appearance. so this process is necessary in extremely cold areas.


400tpd oil refinery workshop
400tpd oil refinery workshop

As a prominent edible oil mill machinery manufacturer who is devoted to processing pure edible oil for worldwide customers, we can provide professional technical support and manufacture first rate oil machines for your edible oil refining. We can provide turnkey oil refining solution with capacities from 1-20T/D. Our cooking oil refining plant is used to process various kinds of oilseeds such as peanuts, sunflower, soybean, rapeseed, etc. And our cooking oil refining plant capacity can be customized. The complete oil refining plant can work independently or together with whole oil production line.

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