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首页> 美国政府科技报告 >Alternative pretreatment technologies for removal of transuranium elements from selected Hanford Site wastes: Strategic systems engineering waste pretreatment technology
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Alternative pretreatment technologies for removal of transuranium elements from selected Hanford Site wastes: Strategic systems engineering waste pretreatment technology

机译：从选定的汉福德遗址废物中去除超铀元素的替代预处理技术：战略系统工程废物预处理技术

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摘要

Removal of transuranic (TRU) elements is a key and important part of various candidate Options for pretreatment of certain US Department of Energy (DOE) Hanford Site wastes. in double-shell tanks (DSTs) and single-shell tanks (SSTs) (Grygiel et al. 1991). The transuranium extraction (TRUEX) process, a recently developed liquid-liquid extraction process, is currently specified for removal of TRU elements from nitric acid (HNO(sub 3)) solutions of various DST and SST wastes. This report has been prepared as an initial response to external reviewer concerns about the choice of optimum technology removing TRU elements from, acidified Hanford Site wastes. It provides an objective evaluation of the present knowledge of the TRUEX-CMPO process chemistry and experience as well as a summary of conditions and results of bench-scale TRUEX-CMPO process tests with actual Hanford Site waste and other wastes. This report, it is hoped, will achieve the following primary goals. Provide a timely and authoritative basis for further comparison of the TRUEX-CMPO(sup 2) process to alternative technologies for removal of TRU elements from Hanford Site DST and SST wastes. Serve as a guide to further bench-scale and, where warranted, pilot plant-scale tests with actual and simulated wastes to fill in gaps in our knowledge of both the TRUEX-CMPO process and alternative TRU element removal processes.

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