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  • What is the bleaching process of palm oil?
  • During the palm oil refining process, the bleaching process, also known as decolorization in the crude palm oil refinery process, is primarily used to remove pigment and lighten the oil's color. This is typically achieved by adding white clay or active carbon to absorb the pigment, followed by the removal of the waste white clay using a vibrating filter.
  • How do you bleach CPO oil?
  • The bleaching process changes the light brown CPO colour to an attractive golden yellow colour. The degummed CPO oil is first steam heated to 120 – 130°C and mixed with phosphoric acid once again: it runs first through the acid mixer and degumming tank.
  • How do you mix oil with bleaching earth?
  • Before it is mixed with bleaching earth, the oil is heated. If required, a citric acid solution is mixed with the hot oil to bind trace metals and decompose any residual soaps. with bleaching earth, activated carbon or a mixture of these two. This is done under vacuum to prevent oxidation, and in the presence of sparging steam.
  • How is CPO oil used in a bleacher?
  • The degummed CPO oil is first steam heated to 120 – 130°C and mixed with phosphoric acid once again: it runs first through the acid mixer and degumming tank. The oil is then pumped into the bleacher where it is mixed with bleaching earth, also known as Fuller’s earth. This is
  • How to remove pigments from oil?
  • During palm oil refining production, pigments are removed through bleaching, which is typically achieved by adding white clay or active carbon to absorb most of the pigments. The waste white clay is then removed by vibrating filter. Our engineers mention that other parts in the refinery, such as degumming, deacidification, and deodorization, can also help aid in the removal of pigments from the oil.
  • Why is it necessary to remove the pigment from palm oil?
  • It is necessary to remove the pigment from crude palm oil because it affects the appearance and flavor of the oil and can be harmful for human health. As we know, crude palm oil usually contains pigment.