Backfill composition for secondary barriers in nuclear waste repositories

Patent · Mon Mar 22 23:00:00 EST 1982

OSTI ID:5440928

Allard, B M; Beall, G W

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

• Assignee: Dept. Of Energy
• Patent Number(s): US 4321158
• OSTI ID: 5440928
• Country of Publication: United States
• Language: English

Related Subjects

052002* -- Nuclear Fuels-- Waste Disposal & Storage
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
ALKALINE EARTH METAL COMPOUNDS
ANHYDRITE
APATITES
ATTAPULGITE
BACKFILLING
CALCIUM COMPOUNDS
CALCIUM SULFATES
CHALCOGENIDES
CLAYS
ENGINEERED SAFETY SYSTEMS
GARNETS
INORGANIC ION EXCHANGERS
ION EXCHANGE MATERIALS
IRON COMPOUNDS
IRON ORES
IRON OXIDES
IRON SILICATES
IRON SULFIDES
MAGNESIUM COMPOUNDS
MAGNESIUM SILICATES
MAGNETITE
MANAGEMENT
MATERIALS
MINERALS
MONTMORILLONITE
OLIVINE
ORES
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
PHOSPHATE MINERALS
PHOSPHATES
PHOSPHORUS COMPOUNDS
PYRITE
QUARTZ
RADIOACTIVE MATERIALS
RADIOACTIVE WASTE DISPOSAL
RADIOACTIVE WASTE STORAGE
RADIOACTIVE WASTES
SILICATE MINERALS
SILICATES
SILICON COMPOUNDS
SILICON OXIDES
SORPTION
STABILITY
STORAGE
SULFATE MINERALS
SULFATES
SULFIDE MINERALS
SULFIDES
SULFUR COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
WASTE DISPOSAL
WASTE MANAGEMENT
WASTE STORAGE
WASTES