Numerical modeling of steam injection for the removal of nonaqueous phase liquids from the subsurface. 2. Code validation and application
- Univ. of California, Berkeley (United States)
The multiphase steam injection simulator developed in part 1 is used to simulate two laboratory column steam displacement experiments. In the first simulation, steam is injected into a clean water-saturated column, while in the second simulation, steam is injected into a column containing both water and separate phase trichloroethylene. In both cases, the numerical results are in good quantitative agreement with the experimental data. Based on the assumption of local chemical equilibrium between the phases, a simple criterion is derived for determining the major mechanism of nonaqueous phase liquid (NAPL)/chemical transport during the steam displacement process. Several one-dimensional simulations of the steam displacement of high-boiling-point NAPLs are discussed. These results are consistent with theoretical predictions and indicate that steam may efficiently displace organic liquids having boiling points substantially greater than that of water.
- DOE Contract Number:
- AC03-76SF00098
- OSTI ID:
- 5245366
- Journal Information:
- Water Resources Research; (United States), Journal Name: Water Resources Research; (United States) Vol. 28:2; ISSN 0043-1397; ISSN WRERA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
540220* -- Environment
Terrestrial-- Chemicals Monitoring & Transport-- (1990-)
ADSORPTION
CHLORINATED ALIPHATIC HYDROCARBONS
CLEANING
DECONTAMINATION
ENERGY TRANSFER
ENVIRONMENTAL TRANSPORT
FLUID INJECTION
HALOGENATED ALIPHATIC HYDROCARBONS
HEAT TRANSFER
MANAGEMENT
MASS TRANSFER
MATERIALS RECOVERY
MATHEMATICAL MODELS
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
PROCESSING
REMEDIAL ACTION
SIMULATION
SORPTION
STEAM INJECTION
SUBSURFACE ENVIRONMENTS
TESTING
VALIDATION
WASTE MANAGEMENT
WASTE PROCESSING