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Title: Gas composition observed by destructive examination of 3013 containers

Abstract

The Department of Energy’s Integrated Surveillance and Monitoring Program implements requirements to measure gas pressure and gas composition during destructive examination of 3013 containers as required by DOE’s 3013 Standard. Gas pressures and gas compositions measured by the Program during destructive examination of 3013 containers from 2007 to 2017 are reported here. The maximum gas pressure within the population of containers that have undergone destructive examination was 299 kPa (43.4 psia) and this container had 0.52 wt% moisture which is higher than the Standard allows. The majority of containers have essentially no gas pressurization. Hydrogen was quantifiable above the measurement uncertainty in less than half (47 out of 114) of the containers that have undergone destructive examination. The amount of hydrogen that is generated within the sealed 3013 containers is always less than the amount predicted by the 3013 Standard’s pressure equation with the maximum observed hydrogen fraction (observed moles of hydrogen/predicted moles of hydrogen) of 0.18. It is recommended that for the purposes of calculating a maximum hydrogen pressure using the 3013 equation, a correction to the amount of hydrogen produced from decomposition of the water be incorporated. The pressure (or moles) of H 2 should be reduced bymore » multiplying by a hydrogen fraction as described in the text. Helium and nitrogen are the other major constituents. Oxygen which is initially present in nearly all of the containers undergoing destructive examination was consumed to low values in all cases. The highest observed oxygen concentration was 1.7%, and in this case the H 2 concentration was essentially zero. Other minor gases observed in some cases included CO 2 with maximum content of 3.5%, CO with maximum content of 0.8%, N 2O with maximum content of 1.4%, and CH 4 with maximum content of 0.4%.« less

Authors:
 [1];  [1];  [1];  [2];  [2];  [2];  [3];  [3]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  2. Savannah River Site (SRS), Aiken, SC (United States)
  3. Savannah River Site (SRS), Aiken, SC (United States). Savannah River National Lab. (SRNL)
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE Office of Environmental Management (EM)
OSTI Identifier:
1425756
Report Number(s):
LA-UR-17-31465
DOE Contract Number:  
AC52-06NA25396
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES; plutonium, hydrogen, storage, 3013 Standard

Citation Formats

Veirs, Douglas Kirk, Kelly, Elizabeth J., Berg, John M., Nguyen, Binh, McClard, James W., Hensel, Steve J., Duffey, Jonathan M., and Scogin, John H. Gas composition observed by destructive examination of 3013 containers. United States: N. p., 2018. Web. doi:10.2172/1425756.
Veirs, Douglas Kirk, Kelly, Elizabeth J., Berg, John M., Nguyen, Binh, McClard, James W., Hensel, Steve J., Duffey, Jonathan M., & Scogin, John H. Gas composition observed by destructive examination of 3013 containers. United States. doi:10.2172/1425756.
Veirs, Douglas Kirk, Kelly, Elizabeth J., Berg, John M., Nguyen, Binh, McClard, James W., Hensel, Steve J., Duffey, Jonathan M., and Scogin, John H. Fri . "Gas composition observed by destructive examination of 3013 containers". United States. doi:10.2172/1425756. https://www.osti.gov/servlets/purl/1425756.
@article{osti_1425756,
title = {Gas composition observed by destructive examination of 3013 containers},
author = {Veirs, Douglas Kirk and Kelly, Elizabeth J. and Berg, John M. and Nguyen, Binh and McClard, James W. and Hensel, Steve J. and Duffey, Jonathan M. and Scogin, John H.},
abstractNote = {The Department of Energy’s Integrated Surveillance and Monitoring Program implements requirements to measure gas pressure and gas composition during destructive examination of 3013 containers as required by DOE’s 3013 Standard. Gas pressures and gas compositions measured by the Program during destructive examination of 3013 containers from 2007 to 2017 are reported here. The maximum gas pressure within the population of containers that have undergone destructive examination was 299 kPa (43.4 psia) and this container had 0.52 wt% moisture which is higher than the Standard allows. The majority of containers have essentially no gas pressurization. Hydrogen was quantifiable above the measurement uncertainty in less than half (47 out of 114) of the containers that have undergone destructive examination. The amount of hydrogen that is generated within the sealed 3013 containers is always less than the amount predicted by the 3013 Standard’s pressure equation with the maximum observed hydrogen fraction (observed moles of hydrogen/predicted moles of hydrogen) of 0.18. It is recommended that for the purposes of calculating a maximum hydrogen pressure using the 3013 equation, a correction to the amount of hydrogen produced from decomposition of the water be incorporated. The pressure (or moles) of H2 should be reduced by multiplying by a hydrogen fraction as described in the text. Helium and nitrogen are the other major constituents. Oxygen which is initially present in nearly all of the containers undergoing destructive examination was consumed to low values in all cases. The highest observed oxygen concentration was 1.7%, and in this case the H2 concentration was essentially zero. Other minor gases observed in some cases included CO2 with maximum content of 3.5%, CO with maximum content of 0.8%, N2O with maximum content of 1.4%, and CH4 with maximum content of 0.4%.},
doi = {10.2172/1425756},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Fri Mar 09 00:00:00 EST 2018},
month = {Fri Mar 09 00:00:00 EST 2018}
}

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