Patent · US Expired

Process for solidifying radioactive waste

US4581162A · kind A · utility

11Cited by
10References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 10, 1983
Grant dateApr 8, 1986
Priority date
Expiry dateMar 10, 2003

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG21F9/302
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A solid radioactive waste can be solidified by a process comprising packing a solid radioactive waste in a container, adding to the container an aqueous solution comprising an alkali silicate, a hardening agent and a fluidity-improving agent for the aqueous solution and conducting the solidification of the alkali silicate, the resulting solidified radioactive waste being excellent in weather resistance, showing no cracks and having sufficient strength.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.