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Title: Treatment of halogen-containing waste and other waste materials

Abstract

A process for treating a halogen-containing waste material. The process provides a bath of molten glass containing a sacrificial metal oxide capable of reacting with a halogen in the waste material. The sacrificial metal oxide is present in the molten glass in at least a stoichiometric amount with respect to the halogen in the waste material. The waste material is introduced into the bath of molten glass to cause a reaction between the halogen in the waste material and the sacrificial metal oxide to yield a metal halide. The metal halide is a gas at the temperature of the molten glass. The gaseous metal halide is separated from the molten glass and contacted with an aqueous scrubber solution of an alkali metal hydroxide to yield a metal hydroxide or metal oxide-containing precipitate and a soluble alkali metal halide. The precipitate is then separated from the aqueous scrubber solution. The molten glass containing the treated waste material is removed from the bath as a waste glass. The process of the invention can be used to treat all types of waste material including radioactive wastes. The process is particularly suited for separating halogens from halogen-containing wastes.

Inventors:
 [1];  [1];  [2]
  1. Oak Ridge, TN
  2. Concord, TN
Issue Date:
Research Org.:
LOCKHEED MARTIN ENRGY SYST INC
OSTI Identifier:
870877
Patent Number(s):
5613241
Assignee:
Lockheed Martin Energy Systems, Inc. (Oak Ridge, TN)
DOE Contract Number:  
AC05-84OR21400
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
treatment; halogen-containing; waste; materials; process; treating; material; provides; bath; molten; glass; containing; sacrificial; metal; oxide; capable; reacting; halogen; stoichiometric; amount; respect; introduced; reaction; yield; halide; gas; temperature; gaseous; separated; contacted; aqueous; scrubber; solution; alkali; hydroxide; oxide-containing; precipitate; soluble; treated; removed; treat; types; including; radioactive; wastes; particularly; suited; separating; halogens; sacrificial metal; scrubber solution; process provides; particularly suited; waste material; alkali metal; metal oxide; metal halide; waste materials; radioactive waste; molten glass; material including; metal hydroxide; radioactive wastes; stoichiometric amount; waste glass; soluble alkali; containing wastes; including radioactive; glass containing; containing waste; halogen-containing waste; gaseous metal; oxide cap; /588/501/976/

Citation Formats

Forsberg, Charles W, Beahm, Edward C, and Parker, George W. Treatment of halogen-containing waste and other waste materials. United States: N. p., 1997. Web.
Forsberg, Charles W, Beahm, Edward C, & Parker, George W. Treatment of halogen-containing waste and other waste materials. United States.
Forsberg, Charles W, Beahm, Edward C, and Parker, George W. Wed . "Treatment of halogen-containing waste and other waste materials". United States. https://www.osti.gov/servlets/purl/870877.
@article{osti_870877,
title = {Treatment of halogen-containing waste and other waste materials},
author = {Forsberg, Charles W and Beahm, Edward C and Parker, George W},
abstractNote = {A process for treating a halogen-containing waste material. The process provides a bath of molten glass containing a sacrificial metal oxide capable of reacting with a halogen in the waste material. The sacrificial metal oxide is present in the molten glass in at least a stoichiometric amount with respect to the halogen in the waste material. The waste material is introduced into the bath of molten glass to cause a reaction between the halogen in the waste material and the sacrificial metal oxide to yield a metal halide. The metal halide is a gas at the temperature of the molten glass. The gaseous metal halide is separated from the molten glass and contacted with an aqueous scrubber solution of an alkali metal hydroxide to yield a metal hydroxide or metal oxide-containing precipitate and a soluble alkali metal halide. The precipitate is then separated from the aqueous scrubber solution. The molten glass containing the treated waste material is removed from the bath as a waste glass. The process of the invention can be used to treat all types of waste material including radioactive wastes. The process is particularly suited for separating halogens from halogen-containing wastes.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1997},
month = {1}
}

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