High Level Waste Lag Storage and Feed Blending

BARNES, M.J.

Savannah River Site (S.C.)

关键词: Sludges;    Storage;    12 Management Of Radioactive Wastes, And Non-Radioactive Wastes From Nuclear Facilities;    Liquid Wastes;    Wastes;   

DOI  :  10.2172/824421
RP-ID  :  WSRC-TR-2003-00339 SRT-RPP-2003-00207
RP-ID  :  AC09-96SR18500
RP-ID  :  824421

美国|英语

来源: UNT Digital Library

【 摘 要 】

SRTC performed small-scale tests to determine the behavior associated with blending streams in the High-level Waste (HLW) Lag Storage and Feed Blending Process System for the Hanford Waste Treatment and Immobilization Plant (WTP). The work reported here was planned and designed in response to the test specification. The Office of River Protection Hanford Waste Treatment and Immobilization Plant consists of three primary facilities: a Pretreatment Facility and two facilities for low-activity and high-level waste vitrification. The Pretreatment Facility contains unit operations which receive waste feed from the Hanford Tank Farms and separate it into two treated waste streams: a low-activity, liquid waste stream stripped of most solids and radioisotopes (processed through the Low-Activity Waste Vitrification Facility) and a high-level waste slurry containing most of the solids and radioisotopes (processed through the High-Level Waste Vitrification Facility). Blending of the later solids a nd radioisotopes streams and their resulting properties is the subject of this report. These mixtures are shown to be unreactive and pumpable by using statistically designed combinations of nonradioactive simulants for the process streams. Properties of the mixtures are also predicted numerically (with the Environmental Simulation Program) and compared with the experimental results. The results did not reveal any problematic solutions, properties, or conditions. The high viscosity and yield stress of the simulated sludge and the resulting test mixtures that included it are, however, of note.