| 摘要 |
PCT No. PCT/FR96/01893 Sec. 371 Date Nov. 12, 1998 Sec. 102(e) Date Nov. 12, 1998 PCT Filed Nov. 29, 1996 PCT Pub. No. WO97/20804 PCT Pub. Date Jun. 12, 1997A method for hydrogenating aromatic nitro compounds by reacting at least one aromatic nitro compound with hydrogen in two adiabatically operated fixed-bed catalytic reactors arranged in series, wherein one part of the reaction mixture from the first reactor is recirculated therein while the other part is fed into the second reactor. |
