black dirty oil cleaningbleaching to yellow oil refinery machine in malawi

                                               
                                               
                                               
                                               
                                               
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  • Can a custom bleaching system work in your edible oil refining plant?
  • Put custom wet, dry or two-stage bleaching systems to work in your edible oil refining plant. Reliability is a hallmark of our bleaching process systems due to continuous research and development. Achieve high productivity and low total cost of ownership from advanced technology and custom solutions backed by global service.
  • What is industrial bleaching?
  • Bleaching is one of the key processes in fats and oils refining, designed to remove not only pigments, but also a wide range of other impurities. Most crude fats and oils contain impurities that have to be removed for both commercial and health reasons. Modern industrial bleaching technologies are the way to do this.
  • What is dry bleaching?
  • This process is called dry bleaching, because the bleaching reactor operates at a vacuum of about 70 torr, which greatly reduces the humidity in the oil. After bleaching, the bleaching agent is normally removed using pressure leaf filters. Naturally, the filter cake that accumulates here still contains oil. Much of this can be recovered by
  • Why is bleach used in refining & processing oils?
  • Bleaching also reduces the number of substances that can affect the taste and smell of the fats and oils. It is therefore used in refining and processing fats and oils that include soybean, palm, rapeseed, sunflower, palm kernel and coconut oils, as well as fish oil and lard.
  • How do you remove oil from a bleaching reactor?
  • After bleaching, the bleaching agent is normally removed using pressure leaf filters. Naturally, the filter cake that accumulates here still contains oil. Much of this can be recovered by steam-blowing the contents of these filters. Filtered oil collects in the buffer tank, which operates under the same vacuum as the bleaching reactor.
  • 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.