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No Stranger to Big Science

Texas A&M Physicist Sees Energy Solutions in Green Nuclear Power Technology

5-3-2013 9-46-15 AM

McIntyre working in his lab with graduate student Kyle Damborsky and postdoctoral researcher Feng Lu

In the mind of Texas A&M University physicist Peter McIntyre, two of America’s most pressing energy challenges — what to do with radiotoxic spent nuclear fuel and dwindling energy resources — can be solved in one scientific swipe. He is developing the technology that is capable of destroying the dangerous waste and, at the same time, potentially providing safe nuclear power for thousands of years into the future.

In his high-energy physics laboratory east of the Texas A&M campus, McIntyre and his research team are developing a new form of green nuclear power that would extract 10 times more energy out of spent nuclear fuel rods than currently obtained in the first use, as well as destroy the transuranics — the chemical elements beyond uranium in the periodic table — lurking within the hazardous toxic soup of used nuclear fuel.

Buoyed by seed funding from Texas A&M University ($750,000) and the Cynthia and George Mitchell Foundation ($500,000), McIntyre is preparing a proposal to the U.S. Department of Energy seeking the large-scale funding that would enable him to take the next steps.

Although viewed as a major national issue, McIntyre says the nuclear waste problem is a multifaceted one for which no viable solution yet has emerged, despite decades of discussion. Most recently in 2010, federal authorities scrapped a plan to create a nuclear waste dump at Yucca Mountain in Nevada to store the nationwide spent nuclear fuel capacity that now stands at 65,000 tons.

“In my opinion, the only way to properly deal with transuranics is to destroy them,” McIntyre said. “They are an unthinkable hazard if they ever get into the biosphere. There has long been discussion that we could find a site like Yucca Mountain that’s so isolated from groundwater and so stable geologically that we could say with confidence it will be the same 100,000 years from now as it is today, and that burying fuel there, closing the door and forgetting it is something we can responsibly do. I don’t buy those arguments.”

McIntyre, a professor since 1980 in the Department of Physics and Astronomy and the inaugural holder of the Mitchell-Heep Chair in Experimental High-Energy Physics within the George P. and Cynthia Woods Mitchell Institute for Fundamental Physics and Astronomy, describes his team’s technology as a “win-win.”

5-3-2013 9-47-57 AM

ADSMS core assembly. The hydrogen fluorid (Hf) absorber shell (teal cylinders located at top center of figure) is show in up and down positions.

“It destroys the bad stuff — the transuranics — and recovers the good stuff — the fuel,” he said.

The idea isn’t new. But earlier proposals for accelerator-driven subcritical fission faced the problem that there was no known way to deliver the necessary proton beam power to a core.

McIntyre knows the hurdles ahead for his project, including convincing federal officials to make a major scientific investment during an age of cutbacks, and proposing a new and better way for nuclear power at a time when Fukushima is fresh in the public mind. (McIntyre notes that the Fukushima explosions in 2011 involved spent fuel storage pools, a problem his technology would eliminate.)

But the road the 65-year-old scientist treks has a familiarity to it. He zigzagged the state and nation in the 1980s — also a time of fiscal restraint — to make the scientific and political cases for another major project, the Superconducting Super Collider (SSC), which would have accelerated particles to nearly the speed of light and maintained American supremacy in high-energy physics.

Physicists, including Stephen Hawking, have lamented the loss to American science represented by the failure of the SSC, but McIntyre sees a silver lining to that effort: It gave him invaluable experience at figuring out how to connect science with the political leaders who could bring it to fruition, skills the grayer and wiser McIntyre is using now. Back in the 1980s, he ended up making a presentation about the SSC in the West Wing of the White House to then-Vice President George H.W. Bush, who subsequently asked for a two-pager to carry to President Ronald Reagan.

“That moment was the birth of the SSC,” McIntyre said. “That’s how things can happen, and that’s how they do happen in this world. It takes persistence and ingenuity in trying to find a way.”

This story was originally posted by the College of Science

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One Response to “No Stranger to Big Science”

  • Betty Smith:

    Dr McIntyre gave my 11 and 13 year old grandsons a tour of his lab with explanations abounding! He is a jewel.

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