scholarly journals Numerical modeling of gas migration at a proposed repository for low and intermediate level nuclear wastes at Oberbauenstock, Switzerland

1990 ◽  
Author(s):  
K Pruess
Keyword(s):  
Numerical Modeling ◽  
Intermediate Level ◽  
Gas Migration ◽  
Nuclear Wastes

Numerical Modeling of the Gas Migration Test at the Grimsel Test Site (Switzerland)

2008 ◽  
Vol 164 (2) ◽  
pp. 155-168 ◽  
Author(s):  
Rainer Senger ◽  
Bill Lanyon ◽  
Paul Marschall ◽  
Stratis Vomvoris ◽  
Ai Fujiwara
Keyword(s):  
Numerical Modeling ◽  
Test Site ◽  
Gas Migration ◽  
Migration Test ◽  
Grimsel Test Site

scholarly journals Gas Migration in Low- and Intermediate-Level Waste (LILW) Disposal Facility in Korea

2014 ◽  
Vol 12 (4) ◽  
pp. 267-274
Author(s):  
Jaechul Ha ◽  
Jeong-Hwan Lee ◽  
Haeryong Jung ◽  
Juyub Kim ◽  
Juyoul Kim
Keyword(s):  
Intermediate Level ◽  
Gas Migration ◽  
Disposal Facility

Corrosion susceptibility of steel drums containing cemented intermediate level nuclear wastes

2010 ◽  
Vol 405 (3) ◽  
pp. 274-279 ◽  
Author(s):  
Gustavo S. Duffó ◽  
Silvia B. Farina ◽  
Fátima M. Schulz ◽  
Francesca Marotta
Keyword(s):  
Intermediate Level ◽  
Nuclear Wastes ◽  
Corrosion Susceptibility ◽  
Steel Drums

Gas Migration in Low- and Intermediate-Level Waste (LILW) Disposal Facility in Korea

2013 ◽  
Author(s):  
Jae-Chul Ha ◽  
Jeong-Hwan Lee ◽  
Haeryong Jung ◽  
Juyub Kim ◽  
Juyoul Kim
Keyword(s):  
Gas Permeability ◽  
Hydrogen Gas ◽  
Intermediate Level ◽  
Gas Migration ◽  
Gas Generation ◽  
Reference Case ◽  
Disposal Facility ◽  
Entry Pressure ◽  
Under Construction ◽  
Different Gases

The first low- and intermediate-level waste (LILW) disposal facility is under construction in saturated granite in Korea. The safety assessment report (SAR) identified that different gases, such as hydrogen, carbon dioxide, and methane are generated at the disposal facility due to the corrosion of metal wastes and steel drum, and microbial degradation of organic matters. Reinforced concrete plays a role as an engineered barrier at the disposal facility, so its properties with regard to gas migration were evaluated in laboratory-scale experiments. Then modeling of gas migration was carried out to evaluate gas pressure build-up in the disposal facility. The gas entry pressure and relative gas permeability of the concrete was determined to be 0.97±0.15 bar, and the relative gas permeability decreased exponentially with increasing water content. The results of the modeling showed that most of hydrogen gas was dissolved in groundwater and did not significantly influence pressure build-up inside the disposal facility based on the reference case of gas generation.

Modeling Approaches for Investigating Gas Migration from a Deep Low/Intermediate Level Waste Repository (Switzerland)

2011 ◽  
Vol 90 (1) ◽  
pp. 113-133 ◽  
Author(s):  
R. Senger ◽  
J. Ewing ◽  
K. Zhang ◽  
J. Avis ◽  
P. Marschall ◽  
...  
Keyword(s):  
Intermediate Level ◽  
Gas Migration ◽  
Modeling Approaches ◽  
Waste Repository

Numerical Modeling of Gas Migration through Cement Sheath and Microannulus

ACS Omega ◽  
2021 ◽  
Author(s):  
Mustafa Al Ramadan ◽  
Saeed Salehi ◽  
Murtada S. Aljawad ◽  
Catalin Teodoriu
Keyword(s):  
Numerical Modeling ◽  
Gas Migration ◽  
Cement Sheath

Sand/Bentonite Barriers and Gas Migration: The GMT Large-Scale In-Situ Test in the Grimsel Test Site

2002 ◽  
Vol 757 ◽  
Author(s):  
S. Vomvoris ◽  
B. Lanyon ◽  
P. Marschall ◽  
K. Ando ◽  
T. Adachi ◽  
...  
Keyword(s):  
Large Scale ◽  
Test Site ◽  
Intermediate Level ◽  
Test Sequence ◽  
Gas Migration ◽  
Migration Test ◽  
In Situ Test ◽  
Grimsel Test Site ◽  
Engineered Barrier

ABSTRACTThe Gas Migration Test in the engineered barrier system (GMT) investigates the migration of waste-generated gas from low and intermediate level waste in a silo-type disposal concept. The EBS has now been emplaced and saturation was initiated in August 2001. The saturation patterns show heterogeneity within and between different layers of the EBS. Plans for the remaining test sequence are also presented.

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