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December 14, 2023, 9:30AMRadwaste Solutions

A view of two vessels that each contain approximately 30,000 pounds of granulated activated carbon, used to remove mercury from process off-gas during IWTU operations. (Photo: DOE)

The Department of Energy’s Office of Environmental Management said Idaho’s Integrated Waste Treatment Unit (IWTU) is set to resume radioactive liquid waste treatment operations early next year after crews replaced carbon material from two plant vessels. The IWTU was shut down for an unplanned outage on September 6 to address elevated mercury concentrations in the plant’s granulated activated carbon (GAC) beds, according to Defense Nuclear Facilities Safety Board (DNFSB) reports.

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