Influence of uranyl complexation on the reaction kinetics of the dodecane radical cation with used nuclear fuel extraction ligands (TBP, DEHBA, and DEHiBA)

Author:

Celis Barros Cristian1ORCID,Pilgrim Corey D.2ORCID,Cook Andrew R.3ORCID,Mezyk Stephen P.4ORCID,Grimes Travis S.2ORCID,Horne Gregory P.2ORCID

Affiliation:

1. Department of Chemistry and Biochemistry, Florida State University, Tallahassee, FL 32306, USA

2. Center for Radiation Chemistry Research, Idaho National Laboratory, P.O. Box 1625, Idaho Falls, ID, 83415, USA

3. Department of Chemistry, Brookhaven National Laboratory, Upton, New York, 11973, USA

4. Department of Chemistry and Biochemistry, California State University Long Beach, 1250 Bellflower Boulevard, Long Beach, California, 90840-9507, USA

Abstract

Used nuclear fuel uranium complexants (TBP, DEHBA, and DEHiBA) exhibit significantly different radiation-induced reactivities upon uranyl complexation as dictated by a combination of electron density distribution and reaction pathway energetics.

Funder

U.S. Department of Energy

Publisher

Royal Society of Chemistry (RSC)

Subject

Physical and Theoretical Chemistry,General Physics and Astronomy

Reference49 articles.

1. Strategies and Considerations for the Back End of the Fuel Cycle, Nuclear Technology Development and Economics, NEA No. 7469, 2021

2. W. B.Lanham and T. C.Runion , PUREX process for plutonium and uranium recovery, ORNL-479, 1949, pp. 1–11

3. K. L.Nash , C.Madic , J.Mathur and J.Lacquement , The chemistry of the actinide and transactinide elements , Springer , 3rd edn, 2006 , pp. 2622–798

4. Critical Review of rate constants for reactions of hydrated electrons, hydrogen atoms and hydroxyl radicals (⋅OH/⋅O− in Aqueous Solution

5. Y.Katsumura , in The Chemistry of Free Radicals: N-Centered Radicals , ed. Z. B. Alfassi , John Wiley & Sons, Inc ., 1998

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