PROCESS FOR PRODUCING CHLOROANILINES FROM CHLORONITROBENZENE BY HETEROGENOUS HYDROGENATION UNDER PRESSURE

PROCESS FOR PRODUCING CHLOROANILINES FROM CHLORONITROBENZENE BY HETEROGENOUS HYDROGENATION UNDER PRESSURE

3,4-di:chloro-anilines are prepd. from o-, m-, p-, -chloro-nitro-benzenes and 3,4-di:chloro-nitro-benzene by hydrogenation at 50-150 deg. C and 3-15 MPa pressure using fixed bed catalyst. - Hydrogenation is carried out on 60-80% porous gamma-Al2O3 of a specific surface: 120-160 m2/g; average dia. is...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: WAHLNE HORVATH,ILONA,HU, SZILAGYI,GYULA,HU, BORDAS,ZOLTANNE,HU, RAKSI,GYULA,HU, KALACSKA,JANOS,HU, NEMETH,LASZLO,HU, REDEI,JOZSEF,HU, KEREKES,FERENC,HU, GATI,GYULA,HU, SZITA,ISTVAN,HU
Format: Patent
Sprache:eng
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
APPARATUS THEREFOR
CHEMISTRY
GENERAL METHODS OF ORGANIC CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:3,4-di:chloro-anilines are prepd. from o-, m-, p-, -chloro-nitro-benzenes and 3,4-di:chloro-nitro-benzene by hydrogenation at 50-150 deg. C and 3-15 MPa pressure using fixed bed catalyst. - Hydrogenation is carried out on 60-80% porous gamma-Al2O3 of a specific surface: 120-160 m2/g; average dia. is 0.8-1.2 mm; average length 3-5 mm and 5-6 N/m breaking strength. The catalyst opt. treated by HCl and tetra-butyl-ammonium-hydroxide contains 0.2-5.0 wt.% Pli