Optimized metering of reactants for a process for preparing aromatic amines by hydrogenation of nitroaromatics

The invention relates to a process for preparing aromatic amines by hydrogenating corresponding nitroaromatics with hydrogen, and also to apparatus suitable for this purpose. The invention relates more particularly to a process for preparing tolylenediamine (TDA) by hydrogenation of dinitrotoluene (...

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Bibliographische Detailangaben
Hauptverfasser:	WATERS GERRIT, HOFMANN ARNDT, RENZE PETER, BRAUNSBERG HOLGAR, HILLER MARKUS, HERRICH MICHAEL, RUEGER HELMUT, HANTEL BURKHARD, RAICHLE ANDREAS, BRUNTSCH LOTHAR, RICHTER KATHRIN, BUETTNER JOHANNES, FRITZ RUEDIGER
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention relates to a process for preparing aromatic amines by hydrogenating corresponding nitroaromatics with hydrogen, and also to apparatus suitable for this purpose. The invention relates more particularly to a process for preparing tolylenediamine (TDA) by hydrogenation of dinitrotoluene (DNT).