Bleaching

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1. OBJECTIVE


The objective of bleaching is to remove pigments, metals, e.g. nickel or iron from other oil refinery process; residual soaps and phospholipids from the oil or fat (BAT in the Food, Drink and Milk Industries, June 2005).



2. FIELD OF APPLICATION


Bleaching is a process which is carried out in different industries, such as foodstuffs and textiles.



3. DESCRIPTION OF TECHNIQUES, METHODS AND EQUIPMENT


File:Bleaching in general.jpg


4. RELEVANT PARAMETERS TO ENERGY


  • Temperature
  • Pressure
  • Medium
  • Material characteristics (e.g. temperature sensitivity)


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