Process for the separation of nitro derivatives of aromatic hydrocarbons from nitrophenols

Mixtures containing aromatic nitro compounds and nitrophenols are separated by washing the mixture with water and passing it over a basic anion-exchange resin preferably in the presence of dilute aqueous sodium hydroxide solution, which retains the nitrophenols, while purified nitro compounds pass f...

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Bibliographische Detailangaben
Hauptverfasser: HAMERS ADOLF, GRUNEWALD HERBERT, HEINEN JOSEF
Format: Patent
Sprache:eng
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