Plutonium constitutes around 0.42 percent of the total mass of the spent fuel, and fission products and actinides comprise the rest. The chemical process that Moltex is proposing aims at extracting ...

Plutonium is the 94th element in the periodic table and one of the most dangerous elements on ... a kilogram of plutonium can produce a blast equivalent to 10,000 tonnes of chemical explosives.

At the Sept. 26 S-1 meeting with Brigadier Gen. Leslie Groves and Nichols attending, DuPont was chosen as the potential contractor to develop and operate a plutonium chemical separation plant.

Fifty grams of plutonium-238 — the stuff that powers many deep-space missions — was produced at Oak Ridge National Laboratory (ORNL) in Tennessee. It's the first batch made in the United ...

Workers have begun laying the groundwork for the first production later this year of plutonium “pits” — hollow spheres the size of a half grapefruit, made from the rare chemical element.

The US Army established the Arsenal to produce chemical weapons to support World War II efforts, and in the 1990s, the federal government leased part of the Arsenal to Shell Chemical Co. to ...