Vegetable Edible Palm Crude Soybean Oil Refinery Machine Plant Coconut Cottonseeds Sunflower Oil Refining Cooking Oil Making Peanut Oil Processing Machine

Product Description

Vegetable Edible Palm Crude Soybean Oil Refinery Machine Plant Coconut cottonseeds Sunflower Oil Refining cooking oil making Peanut oil processing Machine 

Product Description

Batch Type Vegetable Oil Refinery Plant

Batch Type Vegetable Oil Refinery Plant, procedures are carried out in series of neutralizing, bleaching & deodorizing for a measured quantity of oils. Batch process is recommended for plants capacity as it is low cost and easy to operate.

There are present different foreign impurities and unfiltered matter from the seed such as gums, mucilage, coloured & in crude oil extracted from expellers or solvent extraction plant. The free fatty acids (FFA) present in oil deteriorate the quality, thus, making its unfit for edible purpose.

The batch refining process consists of following section :
Neutralizing / Degumming
Bleaching Section
Deodorizing Section.
First stage is neutralizing process in caustic soda treatment is performed to remove free fatty acids (FFA). For removing color from the oil, further processing is down in bleaching section under vacuum conditions using bleaching earth and activated carbon. High vacuum and temperature is also maintained for deodorizing and removing odor from oil. The quality of edible oil extracted from the batch refinery is good, in accordance with the international standard. Dewaxing is an added process carried out after bleaching, especially in case of sunflower and rice bran oil.

The process introduction for cooking oil full refinery machine

Explanation for the refinery process
 

Degumming section
After pressing process, there will exists some impurities in the crude sunflower seed oil, which need to be removed. In this degumming section, we use the aqueous method to dissolve the impurities like gum, protein and phospholipids by washing the crude sunflower seed oil for 2-3 times with hot water.

Neutralizing section
The neutralizing section is for neutralizing the free fatty acids, which is called deacidification section as well. The free fatty acid is harmful to human health, so it should be removed. The caustic soda is used in this section to saponify the free fatty acid to be soap stock, thus the small soap granule will sink and be pumped out.

 

Decolorizing section
Due to the existing of carotene, xanthophyll etc, the color of most crude sunflower seed oil is dark. The bleaching clay has strong absorbing ability to be used for absorb the pigment in the crude sunflower seed oil, an after filtering the clay, the pigments will be removed and the color of sunflower seed oil will be brighter than before.

 

Deodorizing section
The pure sunflower seed oil has no odor, but the crude sunflower seed oil has some smell odor. The deodorizing section aims to remove the special odor of the crude sunflower seed oil which cause by the volatile matters, like the oxide for aldehydes, ketones, hydrocarbons, so we use the steam to absorb the odor in this section and make the volatile matters remove out with the steam.

 

Dewaxing section
After deodorizing section, the sunflower seed oil still has a little wax inside, so this dewaxing section is equipped for removing the wax inside of the crude sunflower seed oil. According to the different melting points of wax and oil, we use cooling method to separate the crystal wax, and then filter the sunflower seed oil to realize the purpose of separating the wax from the oil.

 

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