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Conference Spotlight
2026 ANS Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
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GAO: Grouting Hanford tank waste could cost more than $1.1B
Workers move a container of treated tank waste as part of Hanford’s Test Bed Initiative to grout around 2,000 gallons of LAW for off-site disposal. (Photo: DOE)
Grouting Hanford’s low-level radioactive liquid tank waste could cost between $480 million and $1.1 billion, according to a report by the Government Accountability Office, which has repeatedly found that grouting (immobilizing waste in a concrete-like mixture) can accelerate cleanup at the Hanford Site and save billions of dollars when compared to mixing the waste with molten glass through the vitrification process.
Technical Session|Panel|Sponsored by OPD
Monday, November 13, 2023|1:00–2:45PM EST|Kalorama
Session Chair:
William N. Mann
Alternate Chair:
Nicolas E. Stauff
Session Organizer:
Nuclear energy is already playing an important role in the energy transition by decarbonizing the electricity sector. In the future, nuclear can play an even larger role in decarbonizing other sectors of the economy, for instance through hydrogen and industrial heat production. Another barely considered opportunity for nuclear energy to contribute to decarbonization is to couple it with negative emission technologies (NETs). Nuclear power generates heat and/or electricity that can be used in various NETs to remove CO2 from the atmosphere. Several types of NETs could be compatible with nuclear energy such as Direct Air Capture (DAC), biomass-based processes, indirect seawater capture, or enhanced weathering. This session will discuss efforts in the U.S. to investigate the compatibility of nuclear energy with NETs and this potential new market opportunity.
William Mann
ANL
Nicolas Stauff
Charles Forsberg
MIT
Hari Mantripragada
NETL
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