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Title: PREVENTION OF SCALE FORMATION IN URANIUM SOLVENT EXTRACTOR

Abstract

A method for preventing the formation of scale in uranium solvent extraction apparatus is presented. The scale, consisting chiefly of precipitated silica and the sulfates uf calcium and lead, may be prevented by a combination of measures, chiefly by prior heating and agitation to crystallize and remove silica, and by a maintenance of uranyl nitrate concentration in the feed and extractant above certain levels to increase the solubility of the calcium and lead sulfates.

Inventors:
Issue Date:
OSTI Identifier:
4307774
Patent Number(s):
2812232
Assignee:
U.S. Atomic Energy Commission
Patent Classifications (CPCs):
C - CHEMISTRY C22 - METALLURGY C22B - PRODUCTION AND REFINING OF METALS
NSA Number:
NSA-12-006977
Resource Type:
Patent
Resource Relation:
Other Information: Orig. Receipt Date: 31-DEC-58
Country of Publication:
United States
Language:
English
Subject:
PATENTS; CALCIUM SULFATES; CRYSTALLIZATION; DENSITY; ELECTRIC DISCHARGES; ENRICHMENT; EXTRACTION COLUMNS; FREQUENCY; HEATING; KINK INSTABILITY; LEAD SULFATES; MAGNETIC FIELDS; PATENT; PINCH; PLANNING; PLASMA; PRODUCTION; PULSES; SILICON OXIDES; SOLUBILITY; SOLVENTS; STABILITY; THERMONUCLEAR DEVICES; THERMONUCLEAR REACTIONS; URANIUM; URANYL NITRATES

Citation Formats

Delaplaine, J W. PREVENTION OF SCALE FORMATION IN URANIUM SOLVENT EXTRACTOR. United States: N. p., 1957. Web.
Delaplaine, J W. PREVENTION OF SCALE FORMATION IN URANIUM SOLVENT EXTRACTOR. United States.
Delaplaine, J W. Fri . "PREVENTION OF SCALE FORMATION IN URANIUM SOLVENT EXTRACTOR". United States.
@article{osti_4307774,
title = {PREVENTION OF SCALE FORMATION IN URANIUM SOLVENT EXTRACTOR},
author = {Delaplaine, J W},
abstractNote = {A method for preventing the formation of scale in uranium solvent extraction apparatus is presented. The scale, consisting chiefly of precipitated silica and the sulfates uf calcium and lead, may be prevented by a combination of measures, chiefly by prior heating and agitation to crystallize and remove silica, and by a maintenance of uranyl nitrate concentration in the feed and extractant above certain levels to increase the solubility of the calcium and lead sulfates.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1957},
month = {11}
}