Out-Of-Drum Grout Mixer Testing With Simulated Liquid Effluents Originating From Sodium-Bearing Waste at the Idaho Nuclear Technology and Engineering Center

Scholes, B. A. ; Herbst, A. K. ; Raman, S. V. ; Hinckley, S. H.

Idaho National Laboratory

关键词: Liquid Effluents;    Testing;    Liquid Wastes;    Sodium Hydroxides;    Intec;   

DOI  :  10.2172/910740
RP-ID  :  INEEL/EXT-03-01095
RP-ID  :  DE-AC07-99ID-13727
RP-ID  :  910740

美国|英语

来源: UNT Digital Library

【 摘 要 】

The Idaho National Engineering and Environmental Laboratory (INEEL) is considering several optional processes for disposal of liquid sodium-bearing waste. During fiscal year 2003, alternatives were evaluated for grout formulation development and associated mixing for the Sodium-Bearing Waste cesium ion exchange process. The neutralization agents calcium or sodium hydroxide and the solidification agents Portland cement, with or without blast furnace slag were evaluated. A desired uniform formulation was pursued to develop a grout waste form without any bleed liquid and solidify within a reasonable period of about twenty-eight days. This testing evaluates the out-of-drum alternative of mixing the effluent with solidification agents prior to being poured into drums versus the in-drum alternative of mixing them all together after being poured into the drums. Experimental results indicate that sodium-bearing waste can be immobilized in grout using the Autocon continuous mixer within the range of 66 to 72 weight percent. Furthermore, a loading of 30 weight percent NWCF scrubber simulant also produced an acceptable grout waste form.