Page 21 - Chemical and process design handbook
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Speight_Part 1_A 11/7/01 3:04 PM Page 1.7
AMINATION 1.7
Pure aniline
Iron filings
Hydrochloric
Nitrobenzene
acid
Purification still
Reducer
Separator
Water, to
Sludge
treatment
Crude aniline
FIGURE 1 Aniline production by the reduction of nitrobenzene.
Water
Separator
Hydrogen recycle Water, to
Reactor Crude aniline still Purification still
Hydrogen treatment
Water
Nitrobenzene Aniline
plus
reject
FIGURE 2 Vapor phase reduction of nitrobenzene to aniline.
