In an ammonia manufacturing facility, the necessary hydrogen is generated from methane. The facility consists of the following process units, P: Methanator, Q: CO shift converter, R: CO₂ stripper, S: Reformer, T: Ammonia converter. The correct order of these units, starting from methane feed, is

Question

Accepted Answer

The correct answer is A, S, Q, R, P, T. GATE 2024 official key: (A). Methane is first reformed (S) to syngas, CO is shifted to CO₂/H₂ (Q), CO₂ is stripped out (R), residual CO/CO₂ traces are methanated (P), and the purified H₂/N₂ mixture is fed to the ammonia converter (T).