edible oils production and hydrogenation

                                               
                                               
                                               
                                               
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  • Why do we use hydrogenated vegetable oils?
  • and selective hydrogenation of liquid oils is practiced to change the physical properties for solid fat products or to improve the stability of highly unsaturated oils during high temperature use. Hydrogenated vegetable oils are used in the formulation of shortenings, margarines, salad/cooking oils, and other foods.
  • What catalysts are used in edible oil hydrogenation?
  • Most of the edible oil hydrogenation processes employ heterogenous catalysts (e.g., noble metals such as palladium and platinum, and base metals such as nickel, cobalt, and copper) for they can be separated with ease from the reaction mixture via simple procedures and the recovered catalysts can be reused.
  • What are the conditions for partial hydrogenation of edible oil?
  • The partial hydrogenation of the edible oil (60% soybean oil+40% palm oil; refractive index: 1.4622; melting point: 3 °C) was performed in 1-L reactor under the following conditions: oil mass: 1000 g; catalyst mass: 0.3 g; initial hydrogenation temperature: 150 °C; final hydrogenation temperature: 180 °C; and stirring rate: 720 rpm.
  • Which type of reactor is used for edible oil hydrogenation?
  • Tank , bubble column, and fixed bed reactors are the three primary types of reactors that can be used for edible oil hydrogenation, among which autoclaves (tank reactor ) operated in batch-wise being the most frequently used . Hydrogenation takes place when oil substrate, hydrogen gas, and catalyst are mixed under reaction conditions.