Process for the production of aromatic amines

Details Process for the production of aromatic amines Process for the production of aromatic amines

1995-08-04

1999-03-02

O'Sullivan, Peter

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

564420, 564421, 564422, C07C20936

Patent

active

058773509

ABSTRACT:
Aromatic amines are produced by hydrogenation of the appropriate aromatic nitro compounds in the vapour phase on fixed catalysts. The catalysts contain supported metals active in hydrogenation, the reaction is carried out under adiabatic conditions at a pressure of from 1 to 30 bar, an inlet temperature of from 200.degree. to 400.degree. C. and a maximum catalyst temperature of 500.degree. C.

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Chemical Abstracts, vol. 112, No. 4, Jan. 22, 1990, Abstract No. 2634lt, p. 362; Spalte 2 and CS-A- 258 375 (Pavlas, Pavel et al) Apr. 14, 1989.
Chemical Abstracts, vol. 100, No. 16, Apr. 16, 1984, Abstract No. 123155v, Gramatikov, K. et al "Adiabatic process of catalytic reduction of nitrobenzene to aniline", p. 108, Spalte 2, and IZV. Khim., Bd. 16, Nr. 1-2, 1983 pp. 38-43.
Chemical Abstracts, vol. 117, No. 20, Nov. 16, 1992, Abstract No. 194013j, p. 120; Spalte 2, & CS-A-263 430 (Rozinek, Radovan et al) Jan. 20, 1992.

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