Tandem catalysis involving simultaneous dihydrogen technology from a hydrogen provider and substrate discount on a heterogeneous catalyst gives distinctive alternatives for inexperienced chemistry synthesis below gentle response situations. Nevertheless, in conventional batch situations for nitro reductions, extra hydrogen is usually essential to attain full conversion and thermal administration on scale-up is a security problem resulting from giant heats of response and adiabatic temperature rise. Herein, we report a continuous-flow technique to maximise hydrogen utilization effectivity (HUE) and enhance response security in tandem nitro-reduction reactions, utilizing stoichiometric quantities of ammonia borane (AB) in methanol because the hydrogen supply with Pd/C catalyst. This technique gives a full conversion of nitrobenzene to extremely pure aniline in 15 s, with solely air cooling wanted. As compared, a batch response with stoichiometric AB solely reaches a 42% yield of aniline over Pd/C after 30 min. The area–time yield of aniline in a move system (92.07 g L⁻¹ min⁻¹) is considerably larger than that in a batch response (0.13 g L⁻¹ min⁻¹). The tandem response set in a move configuration was simulated with business software program (Aspen Plus v8.8) enabling scale-up, secure operation, and optimization of power use. Our tandem move system with a full HUE, good thermal administration, and glorious catalytic effectivity gives a sensible means for the inexperienced chemistry synthesis of anilines.