Evaluation of melter technologies for vitrification of Hanford site low-level tank waste - phase 1 testing summary report | Zendy

Westinghouse Hanford Wilson C.N. | Zendy

Open Access

Evaluation of melter technologies for vitrification of Hanford site low-level tank waste - phase 1 testing summary report

Author(s) -

Westinghouse Hanford Wilson C.N.

Publication year - 1996

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/663122

Subject(s) - vitrification , slurry , hanford site , savannah river site , vendor , radioactive waste , waste management , environmental science , phase (matter) , engineering , environmental engineering , chemistry , organic chemistry , medicine , marketing , business , andrology

Following negotiation of the fourth amendment to the Tri- Party Agreement for Hanford Site cleanup, commercially available melter technologies were tested during 1994 and 1995 for vitrification of the low-level waste (LLW) stream to be derived from retrieval and pretreatment of the radioactive defense wastes stored in 177 underground tanks. Seven vendors were selected for Phase 1 testing to demonstrate vitrification of a high-sodium content liquid LLW simulant. The tested melter technologies included four Joule-heated melters, a carbon electrode melter, a combustion melter, and a plasma melter. Various dry and slurry melter feed preparation processes also were tested. The technologies and Phase 1 testing results were evaluated and a preliminary technology down-selection completed. This report describes the Phase 1 LLW melter vendor testing and the tested technologies, and summarizes the testing results and the preliminary technology recommendations

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