Free fatty acid elimination processes


The processes for the refining of edible oils and fats to eliminate free fatty acids (FFA). This includes the physical refining, a process that builds on the lower boiling point of the free fatty acids compared to the boiling point of the triglyceride oil, and also chemical or alkaline refining, where an alkali is used to neutralise the free fatty acids.

Alternative labels

free fatty acid elimination measures
free fatty acid elimination procedures
free a fatty acid elimination process
free fatty acid elimination mechanisms
free fatty acid elimination process
free fatty acid elimination systems

Skill type


Skill reusability level


Relationships with occupations

Essential knowledge

Free fatty acid elimination processes is an essential knowledge of the following occupations:

Optional knowledge

Free fatty acid elimination processes is optional for these occupations. This means knowing this knowledge may be an asset for career advancement if you are in one of these occupations.

Hydrogenation machine operator: Hydrogenation machine operators control equipment to process base oils for manufacture of margarine and shortening products.

Centrifuge operator: Centrifuge operators tend centrifugal machines that separate impurities from food materials aimed to be further processed as to achieve finished foodstuffs.

Clarifier: Clarifiers operate equipment to remove sediments and moisture from oleo and oils. They heat clarifying tank with steam and strainers for the clarification process. They remove foreign matters from the surface of hot oleo or oil stacks using skimmers.
Refining machine operator: Refining machine operators tend machines to refine crude oils, such as soybean oil, cottonseed oil, and peanut oil. They tend wash tanks to remove by-products and remove impurities with heat.




  1. Free fatty acid elimination processes – ESCO


Last updated on September 20, 2022

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