 Continuous washing tower Continuous washing tower
- Continuous washing tower 
 Reboiler Reboiler
- Reboiler 
 Fractionating column Fractionating column
- Fractionating column 
 Rectifying column Rectifying column
- Rectifying column 
 Distillation column Distillation column
- Distillation column 
 Fatty acid production equipment Fatty acid production equipment
- Fatty acid production equipment 
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