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Title: EXTRACTION OF URANIUM FROM AQUEOUS ACIDIC SOLUTION BY A POLYMER CHARACTERIZED BY THE APPEARANCE OF REPEAT UNITS CONTAINING ORTHO HYDROXY AROMATIC CARBOXYLIC ACID FUNCTIONS

Abstract

A process for the extraction of U from solutions comprises contacting the solutions under acid conditions with polymers containing repeated units with ortho hydroxy aromatic carboxylic acid functions. These polymers are simple to prepare, e.g., by condensation of salicylic acid with formaldehyde using oxalic acid as catalyst, and can be used in ion exchange column form. Several examples are given of the preparation of such polymers and their use in separating U from ores. (D.L.C.)

Inventors:
Publication Date:
Research Org.:
Originating Research Org. not identified
OSTI Identifier:
4784633
Patent Number(s):
US 3052515
Assignee:
E.I. du Pont de Nemours and Co.
NSA Number:
NSA-16-030489
Resource Type:
Patent
Resource Relation:
Other Information: Orig. Receipt Date: 31-DEC-62
Country of Publication:
United States
Language:
English
Subject:
CHEMISTRY; ALDEHYDES; AROMATICS; CARBOXYLIC ACIDS; CATALYSIS; EXTRACTION COLUMNS; FORMIC ACID; ION EXCHANGE; LIQUEFYING; ORE PROCESSING; ORGANIC ACIDS; OXALIC ACID; POLYMERS; PREPARATION; SALICYLIC ACID; SEPARATION PROCESSES; SOLUTIONS; SOLVENT EXTRACTION; URANIUM; WATER

Citation Formats

Donaruma, L G. EXTRACTION OF URANIUM FROM AQUEOUS ACIDIC SOLUTION BY A POLYMER CHARACTERIZED BY THE APPEARANCE OF REPEAT UNITS CONTAINING ORTHO HYDROXY AROMATIC CARBOXYLIC ACID FUNCTIONS. United States: N. p., 1962. Web.
Donaruma, L G. EXTRACTION OF URANIUM FROM AQUEOUS ACIDIC SOLUTION BY A POLYMER CHARACTERIZED BY THE APPEARANCE OF REPEAT UNITS CONTAINING ORTHO HYDROXY AROMATIC CARBOXYLIC ACID FUNCTIONS. United States.
Donaruma, L G. 1962. "EXTRACTION OF URANIUM FROM AQUEOUS ACIDIC SOLUTION BY A POLYMER CHARACTERIZED BY THE APPEARANCE OF REPEAT UNITS CONTAINING ORTHO HYDROXY AROMATIC CARBOXYLIC ACID FUNCTIONS". United States.
@article{osti_4784633,
title = {EXTRACTION OF URANIUM FROM AQUEOUS ACIDIC SOLUTION BY A POLYMER CHARACTERIZED BY THE APPEARANCE OF REPEAT UNITS CONTAINING ORTHO HYDROXY AROMATIC CARBOXYLIC ACID FUNCTIONS},
author = {Donaruma, L G},
abstractNote = {A process for the extraction of U from solutions comprises contacting the solutions under acid conditions with polymers containing repeated units with ortho hydroxy aromatic carboxylic acid functions. These polymers are simple to prepare, e.g., by condensation of salicylic acid with formaldehyde using oxalic acid as catalyst, and can be used in ion exchange column form. Several examples are given of the preparation of such polymers and their use in separating U from ores. (D.L.C.)},
doi = {},
url = {https://www.osti.gov/biblio/4784633}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Sat Sep 01 00:00:00 EDT 1962},
month = {Sat Sep 01 00:00:00 EDT 1962}
}