科技报告详细信息
Hanford Tank 241-C-106: Impact of Cement Reactions on Release of Contaminants from Residual Waste
Deutsch, William J. ; Krupka, Kenneth M. ; Lindberg, Michael J. ; Cantrell, Kirk J. ; Brown, Christopher F. ; Schaef, Herbert T.
Pacific Northwest National Laboratory (U.S.)
关键词: Leaching;    Sludges;    Cements;    Testing;    Waste Retrieval;   
DOI  :  10.2172/894477
RP-ID  :  PNNL-15544
RP-ID  :  AC05-76RL01830
RP-ID  :  894477
美国|英语
来源: UNT Digital Library
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【 摘 要 】

The CH2M HILL Hanford Group, Inc. (CH2M HILL) is producing risk/performance assessments to support the closure of single-shell tanks at the U.S. Department of Energy's Hanford Site. As part of this effort, staff at Pacific Northwest National Laboratory were asked to develop release models for contaminants of concern that are present in residual sludge remaining in tank 241-C-106 (C-106) after final retrieval of waste from the tank. Initial work to produce release models was conducted on residual tank sludge using pure water as the leaching agent. The results were reported in an earlier report. The decision has now been made to close the tanks after waste retrieval with a cementitious grout to minimize infiltration and maintain the physical integrity of the tanks. This report describes testing of the residual waste with a leaching solution that simulates the composition of water passing through the grout and contacting the residual waste at the bottom of the tank.

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