Patent · US Expired

Method for purifying liquids

US4853130A · kind A · utility

15Cited by
3References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 17, 1987
Grant dateAug 1, 1989
Priority date
Expiry dateJun 17, 2007

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J47/133
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A process for the separation of radioisotopes and stable isotopes and other deleterious materials from radioactive waste and other liquids, wherein the waste stream is passed through a filter/demineralizer septum screen pre-coated with a mixture of finely-divided zeolitic material and finely-divided ion-exchange resin material.

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