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Title: Apatite sequestration of selenium

Patent ·
OSTI ID:1324968

A method for sequestering selenium is disclosed. The method includes contacting selenium with a stannous modified apatite under conditions whereby the selenium is absorbed by the apatite.

Research Organization:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC04-94AL85000
Assignee:
Sandia Corporation (Albuquerque, NM)
Patent Number(s):
9,440,217
Application Number:
13/890,022
OSTI ID:
1324968
Resource Relation:
Patent File Date: 2013 May 08
Country of Publication:
United States
Language:
English

References (9)

Process for strontium-82 separation patent December 1992
Decontamination of radioactive metals patent November 1993
Neutral gray absorbing glass comprising manganese oxide for selenium retention during processing patent May 1996
Removal of technetium impurities from uranium hexafluoride patent October 1998
Robust technetium removal method and system patent September 1999
Flue gas humidification and alkaline sorbent injection for improving vapor phase selenium removal efficiency across wet flue gas desulfurization systems patent October 1999
In situ formation of magnetite reactive barriers in soil for waste stabilization patent March 2003
Situ formation of apatite for sequestering radionuclides and heavy metals patent July 2003
In-tank recirculating arsenic treatment system patent April 2009