Yuanxian Xia

Pacific Northwest National Laboratory

Projects

Interaction of Solution-state Silicates with Trivalent Cations (PNNL Scope #30944)

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Herman Cho

Project type

Capability Research

This project will involve the measurement of Si-29 spectra of high base solutions containing Si-29-enriched silicates and lanthanum oxide. Silicates form a diverse array of structures in aqueous…

The Aqueous Thermodynamics and Complexation Reactions of Anionic Silica and Uranium Species to High Concentration. (Felmy ESMP-silicate, PNNL Scope #30944)

Lead Institution

Washington State University

Principal Investigator

Andrew Felmy

Project type

Exploratory Research

Highly basic tank wastes contain several important radionuclides, including 90Sr, 99Tc, and 60Co, as well as actinide elements (i.e., isotopes of U, Pu, and Am). These highly basic tank wastes are …