Hazardous or toxic waste destruction or containment – Containment – Solidification – vitrification – or cementation
Patent
1997-06-10
2000-09-19
Suchfield, George
Hazardous or toxic waste destruction or containment
Containment
Solidification, vitrification, or cementation
405128, 405131, 588259, 588900, B09B 100, B09B 300, B09C 106, E02D 311
Patent
active
061204307
ABSTRACT:
A method of melting solid materials while controlling melt shape, without the expenditure of energy to melt unwanted quantities of surrounding materials, and an apparatus to effect the method. The method comprises the use of a planar starter path between electrodes so as to initiate melting and/or vitrification in a plane rather than in a discrete linear path between electrodes. Because melting is initiated along a significant portion of the linear dimension of the electrodes, creating a melted zone that is deeper than it is thick, the aspect ratio (depth "Y"/width "Z") of the melted mass is greater than 1.0.
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Buelt et al, In Situ Vitrification of Transuranic Waste: An Updated Systems Evaluation and Applications Assessment, Battelle, Mar. 1987, pp. vi, 39, 104, Mar. 1987.
Hansen James E.
Lowery Patrick S.
Thompson Leo E.
Kaser Bruce A.
Suchfield George
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