In fact, I have even heard Valiant management casting apprehension about success probability with Nitrobenzene route.
However, how to ignore the hard fact that world’s biggest producer Anhui Bayi Chemical with a gigantic capacity of 60K MTPA (~55% of China’s/ ~38% of world Para-Amino Phenol capacity) was in fact on Nitrobenzene route only.
[different story that Anhui has shut down factory temporarily for relocation to Bengbu Industrial park]
Also, based on some reading, my understanding is that Nitrobenzene route is evolved process therefore much more cost efficient and environment friendly.
Tarun
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