Concretes; Other Hydraulic Hardening Materials [g21f-1/04] Patents (Class 976/DIG323)

Digests

Combined with other materials dispersed in the carrier [g21f-1/04b] (Class 976/DIG324)
  • Repository for radioactive waste-vault backfill
    Patent number: 5740546
    Abstract: A method of forming a repository for radioactive waste comprises locating the waste in a subterranean vault and backfilling the vault with a filling material which is water permeable and provides a substantial reservoir of available alkalinity such that any ground water permeating through the filling material to the waste has a pH of at least 10.5.
    Type: Grant
    Filed: February 14, 1996
    Date of Patent: April 14, 1998
    Assignee: United Kingdom Nirex Limited
    Inventor: Alan James Hooper