1. Natural Soda Ash production: Naturally occurring Trona ore is mined. It is then produced by filtration, concentration, crystallization and drying processes to make it suitable for sale. Eti Soda and Kazan Soda only produces Soda Ash from natural trona.
2- Synthetic Soda Ash production: By synthetic production methods called Solvay or Hou processes, sodium chloride reacts with limestone or ammonia to produce Synthetic Soda Ash. This is the most common production method in the world.