An evaluation of mercury removal in the IDMS using the nitric acid flowsheet

Technical Report · Thu Oct 22 00:00:00 EDT 1992

DOI:https://doi.org/10.2172/6756041· OSTI ID:6756041

Hutson, N D

The present DWPF flowsheet calls for the chemical treatment of waste sludge with 90 wt % formic acid prior to the addition of the Precipitate Hydrolysis Aqueous (PHA) product. An alternative processing methodology, denoted the Nitric Acid Flowsheet'', has been proposed. in the application of this flowsheet, nitric acid would be used to neutralize sludge base components (hydroxides and carbonates) prior to the addition of late wash PHA. The late wash PHA will contain sufficient quantities of formic acid to adequately complete necessary reduction-oxidation (REDOX) reactions.

• Research Organization: Savannah River Site (SRS), Aiken, SC (United States)
• Sponsoring Organization: USDOE; USDOE, Washington, DC (United States)
• DOE Contract Number: AC09-89SR18035
• OSTI ID: 6756041
• Report Number(s): WSRC-TR-92-492; ON: DE93006883
• Country of Publication: United States
• Language: English

Related Subjects

12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
MERCURY
REMOVAL
SAVANNAH RIVER PLANT
RADIOACTIVE WASTE PROCESSING
STEAM STRIPPING
EFFICIENCY
NITRIC ACID
RADIOACTIVE WASTE FACILITIES
RADIOACTIVE WASTES
REDOX REACTIONS
SLUDGES
WASTE PROCESSING PLANTS
CHEMICAL REACTIONS
ELEMENTS
HYDROGEN COMPOUNDS
INDUSTRIAL PLANTS
INORGANIC ACIDS
MANAGEMENT
MATERIALS
METALS
NATIONAL ORGANIZATIONS
NUCLEAR FACILITIES
PROCESSING
RADIOACTIVE MATERIALS
RADIOACTIVE WASTE MANAGEMENT
US AEC
US DOE
US ERDA
US ORGANIZATIONS
WASTE MANAGEMENT
WASTE PROCESSING
WASTES
WATER TREATMENT
052001* - Nuclear Fuels- Waste Processing