terça-feira, 24 de maio de 2011

Japan: Carrier admits merger in two other nuclear reactors

The operator of nuclear power plant in Fukushima Japan, TEPCO, acknowledged on Tuesday that, as experts had suspected, the fuel also merged two other reactors, as well as a number, and said it will deliver all the information available to the IAEA.


Photo: AFPAmpliar
Reactor building a power plant in Fukushima Daiichi, Japan
"It's very possible that fusion reactors has also occurred in two three," said a spokesman for Tokyo Electric Power, which has just released its latest analysis of the measurements made in Fukushima Daiichi. "Most of the fuel fell, probably on the bottom (pressure chamber), as in reactor number one," said the spokesman, who dismissed the risk of a new fusion uncontrolled.

TEPCO had already hinted that a merger had occurred in the reactors two and three, but it is the first time you do a more effective reference to the problem. The reactors "are being subjected to chilling operations and their condition is stable," added the spokesman.

The giant tsunami triggered on March 11 by a strong earthquake of magnitude 9 severely damaged the nuclear power plant in Fukushima, disabling the cooling circuits of four of six reactors at the plant, causing the heating of the fuel rods.

For several weeks after the disaster of March 11, the operator and the Japanese government mentioned only a partial merger, arguing that the reactors were relatively stable and that the dangerous radioactive leaks had been largely contained.

According to the latest information submitted by TEPCO and the Nuclear Security Agency of Japan, the pressure chamber and the reactor containment structure of a "would be damaged and leaking." The state of the chambers of the reactors 2 and 3 is "unknown", although the structure of the two containment "probably been damaged and also there are leaks."

Despite the damage found to be higher than expected, TEPCO assured last week that the schedule was kept out of the crisis, reiterating that radioactive leaks will be reduced before July and the temperature of the reactor is stabilized at 100 degrees Celsiusbefore January.

The Japanese government approved on Tuesday the formation of a committee of independent experts to investigate the accident, the worst since the one recorded in Chernobyl, Ukraine in 1986. The commission shall submit a final report within a year.

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