Backfill composition for secondary barriers in nuclear waste repositories

Patent · Fri May 30 00:00:00 EDT 1980

OSTI ID:6891713

Beall, G W; Allard, B M

A backfill composition for sorbing and retaining hazardous elements of nuclear wastes comprises 50 to 70% by weight of quartz, 10 to 30% by weight of montmorillonite, 1 to 10% by weight of phosphate mineral, 1 to 10% by weight of ferrous mineral, 1 to 10% by weight of sulfate mineral and 1 to 10% by weight of attapulgite.

• DOE Contract Number: W-7405-ENG-26
• Assignee: Dept. of Energy
• OSTI ID: 6891713
• Country of Publication: United States
• Language: English

Related Subjects

12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
BACKFILLING
CHEMICAL COMPOSITION
RADIOACTIVE WASTE DISPOSAL
HIGH-LEVEL RADIOACTIVE WASTES
UNDERGROUND DISPOSAL
ANHYDRITE
APATITES
ATTAPULGITE
CALCITE
DOLOMITE
ENGINEERED SAFETY SYSTEMS
GARNETS
GEOLOGIC DEPOSITS
ILMENITE
MAGNETITE
MINERALS
MONAZITES
MONTMORILLONITE
OLIVINE
PHOSPHATES
PYRITES
QUARTZ
SORPTIVE PROPERTIES
SULFATES
ACTINIDE COMPOUNDS
ALKALINE EARTH METAL COMPOUNDS
CALCIUM CARBONATES
CALCIUM COMPOUNDS
CALCIUM SULFATES
CARBON COMPOUNDS
CARBONATE ROCKS
CARBONATES
CHALCOGENIDES
CLAYS
INORGANIC ION EXCHANGERS
ION EXCHANGE MATERIALS
IRON COMPOUNDS
IRON ORES
IRON OXIDES
IRON SILICATES
MAGNESIUM CARBONATES
MAGNESIUM COMPOUNDS
MAGNESIUM SILICATES
MANAGEMENT
MATERIALS
ORES
OXIDES
OXYGEN COMPOUNDS
PHOSPHORUS COMPOUNDS
POLLUTANTS
RADIOACTIVE MATERIALS
RADIOACTIVE MINERALS
RADIOACTIVE WASTES
RARE EARTH COMPOUNDS
ROCKS
SEDIMENTARY ROCKS
SILICATES
SILICON COMPOUNDS
SILICON OXIDES
SULFIDES
SULFUR COMPOUNDS
SULFUR ORES
SURFACE PROPERTIES
THORIUM COMPOUNDS
THORIUM MINERALS
THORIUM PHOSPHATES
TITANIUM COMPOUNDS
TITANIUM OXIDES
TRANSITION ELEMENT COMPOUNDS
WASTE DISPOSAL
WASTE MANAGEMENT
WASTES
052002* - Nuclear Fuels- Waste Disposal & Storage