Inventors:
Craig L. Bartlett - Springfield PA
Stephen P. Cline - Downingtown PA
David E. Epps - Audubon PA
Jeff J. Jurinak - Dubai, AE
Mark R. Noll - Kennett Square PA
Assignee:
E. I. Du Pont de Nemours and Company - Wilmington DE
International Classification:
E02D 312, E02D 518
Abstract:
Process for hydraulically guiding a layer of gellable grout solution (containing water-soluble Al or Fe salts, alkali metal silicates, or silica sols) to form a sealed confining layer beneath or around a contaminated zone beneath the water table which prevents both lateral and down-ward movement of contaminants or contaminated water.