Method for purifying bidentate organophosphorus compounds

Patent · Fri Dec 31 23:00:00 EST 1976

OSTI ID:862933

Schulz, Wallace W ^[1]

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1. Richland, WA

Bidentate organophosphorus compounds useful for extracting actinide elements from acidic nuclear waste solutions are purified of undesirable acidic impurities by contacting the compounds with ethylene glycol which preferentially extracts the impurities found in technical grade bidentate compounds.

• Research Organization: Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
• DOE Contract Number: E(45-1)-2130
• Assignee: United States of America as represented by United States Energy (Washington, DC)
• Patent Number(s): US 4051203
• OSTI ID: 862933
• Country of Publication: United States
• Language: English

Related Subjects

/999/987/
acidic
acidic nuclear
actinide
actinide elements
bidentate
bidentate organophosphorus
compounds
compounds useful
contacting
elements
ethylene
ethylene glycol
extracting
extracts
found
glycol
grade
impurities
method
nuclear
nuclear waste
organophosphorus
organophosphorus compound
organophosphorus compounds
phosphorus compounds
preferentially
purified
purifying
purifying bidentate
solutions
technical
undesirable
useful
waste
waste solution
waste solutions