Published January 12, 1984 | Version v1
Patent Metadata-only

Process for concentrating and denitrating radioactive nitrate solutions

Creators

Description

The radioactive nitrate solution is introduced into phosphoric acid with formaldehyde as means of reduction and is boiled until the nitrate is completely reduced. (PW)

Availability note (English)

Available from Deutsches Patentamt, Muenchen (Germany, F.R.).

Abstract (German)

Die salpetersaure radioaktive Loesung wird mit Formaldehyd als Reduktionsmittel in Phosphorsaeure eingeleitet und bis zur vollstaendigen Reduktion des Nitrats gekocht. (PW)

Additional details

Additional titles

Original title (German)
Verfahren zum Konzentrieren und Denitrieren salpetersaurer radioaktiver Loesungen

Publishing Information

Imprint Pagination
4 p.
IPC:
Int. Cl. G21F 9/08; G21F 9/16.
IPC
Int. Cl. G21F 9/08; G21F 9/16.
Patent number
DE patent document 2240929/C/

INIS

Country of Publication
Germany
Country of Input or Organization
Germany
INIS RN
18050434
Subject category
S11: NUCLEAR FUEL CYCLE AND FUEL MATERIALS; S12: MANAGEMENT OF RADIOACTIVE WASTES, AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES;
Resource subtype / Literary indicator
Non-conventional Literature
Descriptors DEI
CHEMICAL REACTIONS; EVAPORATION; FORMALDEHYDE; HIGH-LEVEL RADIOACTIVE WASTES; LIQUID WASTES; PHOSPHORIC ACID; RADIOACTIVE WASTE PROCESSING; REDUCTION; REPROCESSING
Descriptors DEC
ALDEHYDES; HYDROGEN COMPOUNDS; INORGANIC ACIDS; INORGANIC COMPOUNDS; MANAGEMENT; MATERIALS; ORGANIC COMPOUNDS; OXYGEN COMPOUNDS; PHASE TRANSFORMATIONS; PHOSPHORUS COMPOUNDS; RADIOACTIVE MATERIALS; RADIOACTIVE WASTES; SEPARATION PROCESSES; WASTE MANAGEMENT; WASTE PROCESSING; WASTES