In the deodorization process, the formation of GE, 3-MCPD, and TFA is highly temperature-dependent. Higher temperatures and longer times generate more byproducts.

Ocean's dual-tower dual-temperature segmented deodorization technology decouples the thermal process for more precise temperature control.

Technical Principle:

· First stage (low-temperature zone, 180–200°C): Removes light odor components and most free fatty acids (FFA)

· Second stage (medium-temperature zone, 210–220°C): Removes color precursors and more thermally stable odor compounds

Core Advantages:

Heat recovery between the two towers ensures that oil entering the second stage is already near the target temperature, requiring no additional extreme heating. Meanwhile, the GE and 3-MCPD sensitive zone (>230°C) is completely avoided.

Quantified Results (based on actual production line data):

Conclusion:

Ocean's dual-tower dual-temperature segmented deodorization technology decouples the thermal process and completely avoids the byproduct-sensitive zone above 230°C. It reduces GE from 1.5–3.5 mg/kg (conventional design) to ≤1.0 mg/kg, 3-MCPD from >2.0 mg/kg to ≤1.0 mg/kg, and TFA increase from 1.5–3.0% to ≤0.5%, while achieving 25–30% energy savings. This is a proven engineering solution that simultaneously addresses all three byproduct issues: glycidyl esters, 3-MCPD esters, and trans fatty acids.