What is the vegetable oil refining process?

2018-05-04 / Edible oil extraction technology support / Leave a message / Chat online

After oil press machine or oil extraction machine, all the crude oil will be delivered to vegetable oil refinery plant. Vegetable oil refining machine can be widely used for soybean oil refining, mustard oil refining, rapeseed oil refining ,cottonseed oil refining, palm oil refining , and sunflower oil refining etc .

For different capacity and different requirements, we can supply 1-10tpd batch type vegetable oil refining machine, 10-50tpd semi-continuous vegetable oil refining machine and 50-600tpd fully continuous vegetable oil refining machine.

1-10tpd batch type vegetable oil refining machine

Deatail introduction of vegetable oil refining process as follows:

1. Degumming and deacidification
Degumming is using phosphoric acid ,water to react crude oil and then separate phosphatide from oil. But in order to reduce more phosphatide, after enough phosphoric acid treatment, adding alkali inside oil to neutralize free fatty acid , and washing before gum separation , this process is called deacidification. Here the byproduct is soap stock which can be used for making soap.

Vegetable oil degumming and deacidification machine is on working

2. Decoloration
Decoloration is using clay to bleach oil , in this step of vegetable oil refining process, clay will absorb dark colorant of oil .The quantity of clay is depending on the deepness of crude oil. After bleaching , used clay will be screened out by vibrating screen.

Vegetable oil decolorization machine is on working

3. Deodorization
This step is to remove some unnecessary odors from crude vegetable oil. Normally for chemical oil refining ,it adopts plate deodorizing tower using high temperature steam to remove odors.

Vegetable oil deodorization machine is on working

After above steps , the final product is refined cooking oil ,but some cooking oil need more treatment such as dewaxing for sunflower oil, fractionation for palm oil etc.

We are professional vegetable oil refining machine manufacturer and supplier, if you have interest in sunflower oil refinery plant , rapeseed oil refinery plant , cottonseed oil refinery plant , corn gemr oil refinery plant and so on, please don’t hesitate to contact us . Just telling us what type of oil and capacity , we will quote you best price with advanced oil refining technology and high quality equipment.

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