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Glycerol can be separated from crude palm oil using a process called extraction. Here's how it works:
1. Dissolving the Glycerol: Glycerol is highly soluble in water, while palm oil is not. By adding water to the crude palm oil, the glycerol will dissolve, forming a two-phase system.
2. Separation: The two phases (water-glycerol and oil) can then be separated using a separatory funnel. The denser water-glycerol mixture will settle at the bottom.
3. Evaporation: To obtain pure glycerol, the water can be evaporated from the water-glycerol mixture. This can be done using a rotary evaporator or other distillation methods.