Soda Ash Production Process

A series of refining steps are required to produce soda ash from trona ore. First the raw ore from the mine is crushed and screened. The materia l is then fed to rotary calciners and heated. The soda ash solution is treated to remove organic materials yielding a high-purity saturated solution of sodium carbonate. Next, the solution is fed to crystallizers where water is evaporated and sodium carbonate monohydrate crystals are formed.

The crystals are dewatered and washed using cyclones and centrifuges, and the solution is recycled to the evaporator units for further recovery of soda ash. The monohydrate crystals are fed to rotary kilns where they are dried to finished soda ash.

Soda Ash Group

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