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Activity of a new Synthetic Compound may be key to Cleaner Nuclear Energy

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Activity of a new Synthetic Compound may be key to Cleaner Nuclear Energy

Molecular Image

A molecular model of a new metal organic framework (MOF) that traps Xenon, a radioactive waste released by nuclear energy plants. Credit: PNNL

STONY BROOK, N.Y., June 13, 2016 – An international team of researchers has discovered a new synthetic compound that acts to adsorb Xenon, an element and volatile radioactive waste commonly released by nuclear energy plants.  Adsorption is a process in which molecules from a substance, in this case Xenon, collects on the surface of another substance. The discovery, published in Nature Communications, may prove to be a major step toward developing a better way to dispose of nuclear waste and improve the process of creating cleaner nuclear energy, which remains a viable alternative to the fossil-fuel based economy.

The existing technology for the reprocessing of nuclear fuel and removing radioactive waste, which includes Xenon, Krypton and other radionuclides, is a costly cryogenic distillation. Alternatively, porous materials such as metal-organic frameworks (MOFs) have demonstrated the ability to selectively adsorb Xenon and other elements at ambient conditions.

In the paper, titled “Metal-organic framework with optimally selective xenon adsorption and separation,” the authors introduce a new concept to improve nuclear waste reprocessing. They demonstrate how a high-throughput computational screening of large databases of MOFs identified a compound that was as the most selective for Xenon. The compound is called SBMOF-1, and it was originally synthesized at Stony Brook University in 2012.

The synthesizing of SBMOF-1, completed by paper co-author Debasis Banerjee, PhD, when he was a Chemistry doctoral student at Stony Brook University, and the unraveling of its structure by co-author Anna Plonka of the Department of Geosciences at Stony Brook University, laid the groundwork for the collaborative investigation on its effectiveness against adsorption and separation of volatile nuclear waste.

Through their experimentation, the team concluded that “SBMOF-1 exhibits by far the highest Xenon adsorption capacity and a remarkable Xenon / Krypton selectivity under conditions pertinent to nuclear fuel reprocessing.”

The research team included scientists from the Pacific Northwest National Laboratory (PNNL), the Lawrence Berkeley National Laboratory, Stony Brook University, and the U.S. Department of Energy’s Brookhaven National Laboratory.



About Stony Brook University

Part of the State University of New York system, Stony Brook University encompasses 200 buildings on 1,450 acres. Since welcoming its first incoming class in 1957, the University has grown tremendously, now with more than 25,000 students and 2,500 faculty. Its membership in the prestigious Association of American Universities (AAU) places Stony Brook among the top 62 research institutions in North America. U.S. News & World Report ranks Stony Brook among the top 100 universities in the nation and top 40 public universities, and Kiplinger names it one of the 35 best values in public colleges. One of four University Center campuses in the SUNY system, Stony Brook co-manages Brookhaven National Laboratory, putting it in an elite group of universities that run federal research and development laboratories. A global ranking by U.S. News & World Report places Stony Brook in the top 1 percent of institutions worldwide. It is one of only 10 universities nationwide recognized by the National Science Foundation for combining research with undergraduate education. As the largest single-site employer on Long Island, Stony Brook is a driving force of the regional economy, with an annual economic impact of $4.65 billion, generating nearly 60,000 jobs, and accounts for nearly 4 percent of all economic activity in Nassau and Suffolk counties, and roughly 7.5 percent of total jobs in Suffolk County.


Greg Filiano
Media Relations Manager, School of Medicine

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