Robot finds potential unfrozen fuel within Fukushima reactor

Lava-like rocks believed to be unfrozen fuel are noticed within Japan’s stricken Fukushima reactor by Associate in Nursing underwater automaton, the plant’s operator aforementioned at the top of a three-day examination.

Large amounts of the coagulated lumps and deposit were noticed for the primary time by the automaton on the ground of the first containment vessel beneath the core of Fukushima’s No. 3 reactor, the national capital electrical power Co (TEPCO) aforementioned.

“There may be a high chance that the coagulated objects area unit mixtures of unfrozen metal and fuel that fell from the vessel,” a TEPCO voice aforementioned, adding that the corporate was designing any analysis of the pictures.

The three-day investigation victimization the little, remote controlled underwater automaton, that is concerning the scale of a loaf of bread, concluded Saturday, the voice aforementioned.

TEPCO aforementioned the pictures were the primary “highly likely” watching of unfrozen fuel since the 2011 disaster, once a vast submarine earthquake sent an enormous wave barrelling into Japan’s northeast coast, killing over eighteen,500 people, and causing 3 reactors into meltdown at the plant within the worst such accident since metropolis in 1986.

Locating the fuel rubble may be a key a part of the decommissioning method for the plant, that is predicted to require decades.

In February, TEPCO sent another automaton into one in every of 3 broken reactors wherever radiation levels have hit record highs.

But the mission at the No. two reactor was aborted because the automaton had problem moving and will not reach its target destination below the pressure vessel, through that fuel is believed to possess unfrozen.

The Japanese government aforementioned in Gregorian calendar month that it expects total prices as well as compensation, decommissioning and remotion to succeed in twenty one.5 trillion yen ($192.5 billion) during a method probably to require a minimum of four decades as high radiation levels slow operations.

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