Improved hydrogenation process for preparing 4-aminophenol

The process for the production of 4-aminophenol by reducing nitrobenzene with hydrogen in a reaction zone at an elevated temperature and moderate pressure in the presence of aqueous sulfuric acid, a surfactant and a catalyst, is improved by using a platinum on carbon catalyst; utilizing a reaction z...

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Bibliographische Detailangaben

Hauptverfasser:	KAO, JAMES TZU FEN, RAFF II, DWIGHT EVERETTE
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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