النقع الكربوني

This is also very popular, especially in high-end coffees, competition coffees, and expensive microlots.
What it means: similar to anaerobic fermentation, but the tank is flushed with CO₂. The method is inspired by winemaking, especially Beaujolais-style fermentation. It often creates very fruity, wine-like, floral, tropical, or boozy flavors.