Oil & Fats Refining - Deodorizing - Phisical Refining
Deodorizing
Usually the last process step in refining is deodorizing where the oil is maintained at a high temperature and under a high vacuum for a certain period of time to crack undesired components into lower boiling products, which are then removed together with the fatty acids and other light boiling.
C.M. BERNARDINI designs and manufactures deodorizing plants of the continuous and semi-continuous type according to process and client's requirements. The deodorizer and all parts in contact with the oil are fully made of stainless steel.
C.M. BERNARDINI deodorizers consist of a number of superimposed trays and offer the following advantages.
- continuous operation and/or quick feedstock changeover with no substantial loss of operating time and with no risk of cross contamination;
- very efficient mixing with oil and sparging steam thanks to special mammoth pumps;
- low energy requirement;
- heat recovery as high as 80% achieved by the use of special gasketsless heat exchanger;
- no pollution problem as the condenser water is discharged practically fat-free, thanks to a structured packing vapor scrubber, which is provided as a standard accessory;
- all operation are centralized in a control room equipped with PC/PLC .
C.M. BERNARDINI deodorizers process fats and oils on a continuous or semi-continuous basis under programmed and optimum conditions of time and temperature. They are delivered complete with a heating station.
Physical Refining
The characteristics of certain oils and fats, such as palm, palm kernel and coconuts oils, tallow, etc., make it possible to deacidify and deodorize them in a single step. In some cases, this is possible, after a very efficient degumming, also for sunflower, soybean, rapeseed, corn oils, etc.
This process has the following distinct advantages vs. alkali refining:
- Combined neutralizing and deodorizing;
- Direct production of distilled fatty acids instead of soapstock;
- Higher yield as no neutral oil is lost in the soapstoack;
- Fully continuous and automatic operation with minimum supervision by a single operator who is also in charge of other sections.
For oils the plant includes a structured packing section built in the deodorizer tower.