Abstract

Experiments were conducted which model steam condensation front propagation during the Steam Enhanced Extraction (SEE) process of removing liquid contaminants in fractured porous media*. The process is being considered for implementation for removal of contaminants in the basalt flows which lie above the Snake River aquifer at the Idaho National Engineering and Environmental Laboratory (INEEL). The SEE process consists of steam injection into porous media which is unsaturated, or partially or completely saturated with water and contains (typically) organic contaminants. The steam condenses and sweeps the contaminant along with the condensate toward a low pressure region established by a vacuum (and water) pump. The experiments described are the first in a series to compare and extend results obtained by others for homogeneous porous media, and layers of homogeneous porous media to fractured porous media. Experiment results and thermal analysis are presented.

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