Solvay Process · Soda Ash from Salt & Limestone
unseel.com · NaCl + NH₃ + CO₂ → NaHCO₃ → Na₂CO₃ · ammonia recycled
Output 75 Mt/yr
NH₃ recovery 99%
Stage brine + limestone in
NaCl brine / Na⁺
NH₃ ammonia
CO₂ / limestone
NaHCO₃ / Na₂CO₃
NH₄Cl / CaCl₂ waste
Unseel.com · Solvay Process