In NUMBER@1 , the ORGANIZATION@1 -LRB- UKAEA -RRB- was able to produce NUMBER@2 grams of NUMBER@3 % pure protactinium by processing NUMBER@4 tons of waste material in a 12-stage process .

In NUMBER@1 , the ORGANIZATION@2 was able to produce NUMBER@2 g of NUMBER@3 % pure protactinium , processing NUMBER@4 tons of waste material in a 12-stage process and spending NUMBER@5 USD .
