1.

In the dilute phase reacting system, reacting gases carry suspended catalyst through tubes of a vertical heat exchanger with velocity of?

A. 3 to 12 m/s
B. 12 to 24 m/s
C. 1 to 3 m/s
D. 0.1 to 10 m/s
Answer» B. 12 to 24 m/s


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