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The motion of a redox front in a system of bentonite and rock, incorporating fracture transport effects

Technical Report:

Abstract

This report presents new calculations of the motion of a redox front in a system of bentonite and fractured rock, incorporation advection and diffusion of oxidants in fracture water. The results reported here have been incorporated into preliminary base case calculations using the source term model CALIBRE. The model presented here differs mainly in its treatment of the effects of the fracture. Previously, a `zero-concentration` boundary condition was applied, and this resulted in retardation of the front near the fracture. When a more detailed advection-diffusion model is applied, the front is advanced in a neighbourhood of the fracture. (25 refs.) (au).
Authors:
Shaw, W; Robinson, P [1] 
  1. Intera Environmental Division, Henley-on-Thames (United Kingdom)
Publication Date:
Feb 01, 1992
Product Type:
Technical Report
Report Number:
SKI-TR-91-17
Reference Number:
SCA: 540230; 052002; PA: AIX-24:005589; SN: 93000930737
Resource Relation:
Other Information: PBD: Feb 1992
Subject:
54 ENVIRONMENTAL SCIENCES; 12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES; REDOX POTENTIAL; GEOCHEMISTRY; BENTONITE; C CODES; COMPUTERIZED SIMULATION; DIFFUSION; EXPERIMENTAL DATA; FLOW RATE; GEOLOGIC FRACTURES; MIGRATION LENGTH; RADIOACTIVE WASTE DISPOSAL; RADIONUCLIDE MIGRATION; ROCK-FLUID INTERACTIONS; UNDERGROUND DISPOSAL; 540230; 052002; RADIOACTIVE MATERIALS MONITORING AND TRANSPORT; WASTE DISPOSAL AND STORAGE
OSTI ID:
10118743
Research Organizations:
Swedish Nuclear Power Inspectorate, Stockholm (Sweden)
Country of Origin:
Sweden
Language:
English
Other Identifying Numbers:
Other: ON: DE93611275; TRN: SE9200333005589
Availability:
OSTI; NTIS; INIS
Submitting Site:
SWDN
Size:
[54] p.
Announcement Date:
Jun 30, 2005

Technical Report:

Citation Formats

Shaw, W, and Robinson, P. The motion of a redox front in a system of bentonite and rock, incorporating fracture transport effects. Sweden: N. p., 1992. Web.
Shaw, W, & Robinson, P. The motion of a redox front in a system of bentonite and rock, incorporating fracture transport effects. Sweden.
Shaw, W, and Robinson, P. 1992. "The motion of a redox front in a system of bentonite and rock, incorporating fracture transport effects." Sweden.
@misc{etde_10118743,
title = {The motion of a redox front in a system of bentonite and rock, incorporating fracture transport effects}
author = {Shaw, W, and Robinson, P}
abstractNote = {This report presents new calculations of the motion of a redox front in a system of bentonite and fractured rock, incorporation advection and diffusion of oxidants in fracture water. The results reported here have been incorporated into preliminary base case calculations using the source term model CALIBRE. The model presented here differs mainly in its treatment of the effects of the fracture. Previously, a `zero-concentration` boundary condition was applied, and this resulted in retardation of the front near the fracture. When a more detailed advection-diffusion model is applied, the front is advanced in a neighbourhood of the fracture. (25 refs.) (au).}
place = {Sweden}
year = {1992}
month = {Feb}
}