The ice wall to isolate the water in Fukushima does not ...

The ice wall to isolate the water in Fukushima does not …

June 17, 2014

The ice wall to isolate the water in Fukushima is not working

The original idea consisted of inserting a series of vertical tubes into the ground, 20 to 40 meters apart, through which coolant would be pumped to lower the ground temperature and literally freeze the ground.

This wall of ice would contain the radioactive water leaking from the reactors and thus prevent it from contaminating the surrounding area.

The plan has proven to be more complex than it appears. The refrigerant they use, capable of producing temperatures of around -30 degrees Celsius, is not enough to freeze the ground.

The first proof of concept of the wall has not been effective, and TEPCO engineers are now trying to insert closer pipes.

via The ice wall to isolate the water in Fukushima is not working.

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