Purification method and purification device of 3, 4-dichloronitrobenzene

The invention relates to a purification method and a purification device of 3, 4-dichloronitrobenzene. The purification method provided by the invention comprises the following steps: a nitrification step: reacting o-dichlorobenzene with mixed acid to obtain a nitrification product; a first-stage me...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	GU GAOWEI, CHEN BAOXING, ZHAO GUOSHENG, WANG BONING, CHEN WEIXING
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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