In the production of sulfuric acid by the contact method, the gas entering the contact chamber must be purified and dried. The main reason is that________
A. Prevent catalyst poisoning
B. Improve reaction efficiency
C. Improve SO 2 conversion
D. prevent environmental pollution
Answer:A
In the production of sulfuric acid by the contact method, the gas entering the contact chamber must be purified and dried. The main reason is that________
A. Prevent catalyst poisoning B. Improve reaction efficiency C. Improve SO 2 conversion D. prevent environmental pollution