Published March 23, 1982
| Version v1
Patent
Backfill composition for secondary barriers in nuclear waste repositories
Creators
Description
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
Availability note (English)
U.S. Commissioner of Patents, Washington, D.C. 20231, USA, $.50.Additional details
Additional titles
- Augmented title (English)
- Patent
Publishing Information
- Imprint Pagination
- v p.
- IPC:
- Int. Cl.G21F 9/24.
- IPC
- Int. Cl.G21F 9/24.
- Patent number
- US patent document 4,321,158/A/
INIS
- Country of Publication
- United States
- Country of Input or Organization
- United States
- INIS RN
- 14720974
- Subject category
- S12: MANAGEMENT OF RADIOACTIVE WASTES, AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES;
- Resource subtype / Literary indicator
- Non-conventional Literature
- Descriptors DEI
- APATITES; ATTAPULGITE; CALCIUM SULFATES; GARNETS; IRON COMPOUNDS; MAGNETITE; MINERALS; MONTMORILLONITE; OLIVINE; PHOSPHATES; PYRITE; QUARTZ; RADIOACTIVE WASTE DISPOSAL; RADIOACTIVE WASTE STORAGE; RADIOACTIVE WASTES; SAFETY ENGINEERING; STABILITY; SULFATES
- Descriptors DEC
- ALKALINE EARTH METAL COMPOUNDS; CALCIUM COMPOUNDS; CHALCOGENIDES; CLAYS; INORGANIC ION EXCHANGERS; ION EXCHANGE MATERIALS; IRON ORES; IRON OXIDES; IRON SILICATES; IRON SULFIDES; MAGNESIUM COMPOUNDS; MAGNESIUM SILICATES; MANAGEMENT; MATERIALS; ORES; OXIDES; OXYGEN COMPOUNDS; PHOSPHORUS COMPOUNDS; RADIOACTIVE MATERIALS; SILICATES; SILICON COMPOUNDS; SILICON OXIDES; STORAGE; SULFIDES; SULFUR COMPOUNDS; TRANSITION ELEMENT COMPOUNDS; WASTE DISPOSAL; WASTE MANAGEMENT; WASTE STORAGE; WASTES
Optional Information
- Notes
- PAT-APPL-154639.