The carbonating tower used in Solvay process of soda ash manufacture is made of_________________?
Correct answer: A. Cast iron
- A. Cast iron
- B. Stainless steel
- C. Karbate
- D. Lead lined steel
Explanation
Cast iron is used for the Solvay carbonating tower because it withstands the alkaline ammoniacal brine and carbon dioxide environment at comparatively low cost. Steel is less suitable unless specially protected.
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