Patent ID: 7776223

Claim:
A method of collecting high-level radioactive uranium powder underwater, comprising: (a) collecting pond water from the bottom of a pond containing uranium powder by moving a first sewage pump at the bottom of the pond, suctioning the water, and pumping the water to a sediment bag within said pond, said sediment bag comprising a collecting can removably connected to the bottom of said bag; (b) after said sediment bag being filled full with water, turning off said first sewage pump, waiting for three days to complete precipitation of uranium powder from said sediment bag into said uranium powder can, and draining water from said sediment bag to the pond through a second sewage pump; (c) determining if the uranium powder collecting can has been filled full with uranium powder, if it is ‘NO’, repeat the steps (a) through (b); if it is ‘YES’, then replace the filled full uranium powder collecting can with an empty one.