Aluminum phosphate ceramics for waste storage

Wagh, Arun; Maloney, Martin D

Title: Aluminum phosphate ceramics for waste storage

Patent · Tue Jun 03 00:00:00 EDT 2014

OSTI ID:1133639

Wagh, Arun; Maloney, Martin D

The present disclosure describes solid waste forms and methods of processing waste. In one particular implementation, the invention provides a method of processing waste that may be particularly suitable for processing hazardous waste. In this method, a waste component is combined with an aluminum oxide and an acidic phosphate component in a slurry. A molar ratio of aluminum to phosphorus in the slurry is greater than one. Water in the slurry may be evaporated while mixing the slurry at a temperature of about 140-200.degree. C. The mixed slurry may be allowed to cure into a solid waste form. This solid waste form includes an anhydrous aluminum phosphate with at least a residual portion of the waste component bound therein.

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Research Organization:: Argonne National Laboratory (ANL), Argonne, IL (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: W-31-109-ENG-38

Assignee:: CH2M Hill, Inc. (Englewood, CO)

Patent Number(s):: 8,742,195

Application Number:: 10/547,100

OSTI ID:: 1133639

Country of Publication:: United States

Language:: English

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