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A field trial of novel bifunctional resins for removing pertechnetate (TcO{sub 4}{sup {minus}}) from contaminated groundwater [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy, 1998.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
35 pages : digital, PDF file
Additional Creators
Oak Ridge National Laboratory, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
A field trial using a custom-designed bifunctional synthetic resin prepared at the University of Tennessee and designed to selectively remove pertechnetate (TcO₄{sup −}) from groundwater was conducted in summer 1997 at the Northwest Plume Pump-and-Treat Facility at the US Department of Energy`s Paducah Gaseous Diffusion Plant (PGDP) site. The bifunctional resin, RO-02-119, was a copolymer of vinylbenzylchloride and divinylbenzene that had been functionalized with trihexylamine and triethylamine. The experiment was a parallel test of the synthetic resin and a commercial resin, Purolite A-520E, to directly compare the performance of the two resins. Purolite resin is currently used by the treatment facility to remove Tc-99 from the contaminated groundwater containing ∼1,000 pCi/L TcO₄{sup −}. A total of ∼692,000 bed volumes of groundwater was passed through the column containing the synthetic resin (RO-02-119) whereas only ∼205,000 bed volumes of groundwater were passed through the Purolite resin column because of reduced hydraulic conductivity and clogging within the latter column. Despite less groundwater passing through the Purolite resin column, however, the breakthrough of TcO₄{sup −} occurred earlier in the Purolite column than in the RO-02-119 column.
Report Numbers
E 1.99:ornl/tm--13593
ornl/tm--13593
Subject(s)
Other Subject(s)
Note
Published through SciTech Connect.
03/01/1998.
"ornl/tm--13593"
"DE98058145"
"EW 40 30"
Brown, G.M.; Moyer, B.A.; Alexandratos, S.D.; Bonnesen, P.V.; Liang, L.; Gu, B.; Ober, R.
Funding Information
AC05-96OR22464
View MARC record | catkey: 14136116