Development of a pelleted waste form for high-level alumina wastes

Technical Report · Mon Sep 01 04:00:00 EDT 1980

DOI:https://doi.org/10.2172/5116023· OSTI ID:5116023

Kirkbride, R. A.

A formulation to pelletize simulated high-level ICPP alumina waste calcine was developed. The pellets are formed on a 41-cm-diameter disc pelletizer using 5% bentonite, 2% metakaolin, and 5 wt % calcium hydroxide as a solid binder and a solution of 7M phosphoric acid and 4M nitric acid as a liquid binder. After drying and heat treatment at 800/sup 0/C for 2 hours, the average crush strength of the pellets is 3.9 MPa and the pellets have a leach resistance of 10/sup -3/ g/cm/sup 2//day, based on Soxhlet leaching for 48 h at 95/sup 0/C with distilled water.

• Research Organization: Exxon Nuclear Idaho Co., Inc., Idaho Falls (USA)
• DOE Contract Number: AC07-79ID01675
• OSTI ID: 5116023
• Report Number(s): ENICO-1051
• Country of Publication: United States
• Language: English

Related Subjects

052001* -- Nuclear Fuels-- Waste Processing
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
ALKALINE EARTH METAL COMPOUNDS
BENTONITE
CALCIUM COMPOUNDS
CALCIUM HYDROXIDES
COMPRESSION STRENGTH
DISSOLUTION
DRYING
FABRICATION
HEAT TREATMENTS
HIGH-LEVEL RADIOACTIVE WASTES
HYDROGEN COMPOUNDS
HYDROXIDES
INORGANIC ACIDS
INORGANIC ION EXCHANGERS
ION EXCHANGE MATERIALS
LEACHING
MANAGEMENT
MATERIALS
MECHANICAL PROPERTIES
MINERALS
MOLDING
NITRIC ACID
OXYGEN COMPOUNDS
PELLETIZING
PELLETS
PHOSPHORIC ACID
PROCESSING
RADIOACTIVE MATERIALS
RADIOACTIVE WASTE PROCESSING
RADIOACTIVE WASTES
SEPARATION PROCESSES
SIMULATION
SOLID WASTES
WASTE MANAGEMENT
WASTE PROCESSING
WASTES