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Vegetable Oil Refining Plants
Detailed Introduction
Manufacturing Process
Highlights
 
Caustic Refining

MECPRO supplies either the continuous neutralising installation with centifugal separation of the Soap Stock or Batch







Physical Refining

Physical refining is a modern alternative for processing crude edible oil by steam stripping of the free fatty acids instead of chemical neutralisation. The advantages of this new system are :
Better yields
High Quality of fatty acids as by-products
Good oil stability
Simultaneous distillation of fatty acids and deodorisation (Our deacidifier-deodoriser is perfectly adapted for this operation)
Lower cost of equipment
Simplicity of operation
Prevention of ecological problems

The first stage in the physical refining process is the complete removal of all phosphatides, resins and metals out of the crude oil. In addition to the well known degumming method applied to crude oils containing low amounts of gums like palm, palm kernel and coconut oil, we have developed our special wet degumming system to treat most of the crude oils having a high content of gums such as soyabean, rapeseed, sunflower and groundnut in order to suit them for the next stages of physical refining i.e. bleaching and deacidification-deodorisation.


Combined Physical / Caustic Refining

The oil produced from our Solvent Extraction Plants is ideally suitable for water degumming which results in reduced oil losses and utility consumption in degumming processes and the by-product can be converted easily into lecithin which is a high value product.





Continuous Bleaching

Our continuous bleaching line is delivered complete with:
Optional addition of silica absorbants
Optional deaeration system for bleaching earth
Vertical leaf filters with automatic cake drop
Optional complete automation of the filtration cycle
Safety filtration


Continuous Deacidification-Deodorosation

The main feature of our Deacidification-Deodorisation system is its low steam consumption which is obtained due to the following factors :
No steam heating of the oil is required because of the high economy in heat transfer between the hot discharged refined oil and the cold incoming degummed and bleached oil, 80% of the total heat required is recovered in a special heat exchanger supplied in the deacidification-deodorisation system.

The low amount of stripping steam 1-1.5% of the oil processed results in a considerable reduction of the steam required for the vaccum equipment.


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