processo para preparar ácido nìtrico por meio do tratamento de um meio aquoso contendo compostos orgánicos e fosfato e processo para preparar cicloexanona oxima

processo para preparar ácido nìtrico por meio do tratamento de um meio aquoso contendo compostos orgánicos e fosfato e processo para preparar cicloexanona oxima

The invention relates to a process for preparing nitric acid by treating an aqueous medium containing organic compounds and phosphate, said process comprising: feeding the aqueous medium to a nitric acid synthesis zone; forming nitric acid by contacting the aqueous medium with a gaseous medium in sa...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: JOHANNES ANTONIUS LEONARDUS BROUWERS, ARNO HERALD BENNEKER, HENDRIK OEVERING
Format: Patent
Sprache:por
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:The invention relates to a process for preparing nitric acid by treating an aqueous medium containing organic compounds and phosphate, said process comprising: feeding the aqueous medium to a nitric acid synthesis zone; forming nitric acid by contacting the aqueous medium with a gaseous medium in said nitric acid synthesis zone, said gaseous medium containing NO2; discharging an off-gas from said nitric acid synthesis zone; wherein the total organic carbon concentration in the aqueous medium entering the nitric acid synthesis zone is less than 0.03 wt. %.