Palm oil refining methods

There are two refining methods for the palm oil refining. They are physical refining and chemical refining. Physical refining means removing gum in palm oil during process of degumming in special method and removing FFA in process of deodorizing by steam. Chemical refining, however, means removing FFA in a chemical way ( Acid-base neutralization). Gum and soap foot produced is separated by centrifuges.

palm oil refinery plant Small scale palm oil refinery plant and continuous palm oil refinery plant

Difference between physical refining and chemical refining of palm oil:

Common feature Physical refining Chemical refining
Refining purpose Remove harmful and unprofitable impurities in crude palm oil and get the national quality standard edible oil
Difference features Physical refining Chemical refining
refining methods Remove free fatty acids under high temperature and vacuum conditions by distillation process remove FFA in a chemical way Acid-base neutralization
refining equipment suitable semi-continuous and fully continuous palm oil refining machine
suitable baych type, semi-continuous and fully continuous palm oil refining machine
Refining rate Neutral oil saponification loss and emulsification loss is less Neutral oil saponification loss and emulsification loss is more
Applications Low gum, high acid value crude edible oil almost all the crude edible oil
Refining scale Large scale edible oil refinery plant small scale to large scale edible oil refinery plant

Features of different palm oil refining methods:

Palm oil refining - Chemical Refining

1.The finished oil is consistent and stable.

2.Excellent adaptability and less requirement to oil quality.

3.Less bleaching earth is added into compared with physical refining.

Palm oil refining - Physical Refining

1.High oil refining rate, less oil loss.

2.No waste water discharged.

3.Especially suitable for oils of high acid value, and low gum content.

4.More FFA distilled out.

Palm oil refining process flow chart is as follows:

palm oil refining methodsPalm oil refining process flow chart

No matter palm oil physical refining or palm oil chemical refining all refers to remove phospholipids, FFA, pigment, off-flavor and other impurities in the palm oil. Palm oil refinery plant aims to improve palm oil flavor, prolongs storage time, and produce high quality palm oil.

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Our palm oil refining methods is suitable for refining various crude vegetable oil, such as sunflower seed oil, soybean seed oil, groundnut oil, cottonseed oil, rice bran oil, corn germ oil and palm oil, etc.With Over 40 years/ experience of designing & installing & exporting complete edible oil refinery plant like palm oil refinery, we are now the leading company in edible / vegetable oil refinery field. We supply various edible / vegetable oil refining equipment and technology to ensure that best finished oil is achieved with the lowest production cost. If you'd like to get more information about palm oil refining methods and palm oil refining process , please don't hesitate to contact us. We are always at your service.

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