Nuclear, Water Treatment

TEPCO halts radioactive water treatment system at Fukushima

Tokyo Electric Power Co. (TEPCO) suspended a water treatment system at the Fukushima Daiichi nuclear power plant when it found one of the three lines was not eliminating radioactive material properly.

According to The Voice of Russia, TEPCO stopped all three lines, called the Advanced Liquid Processing System (ALPS), but said it did not detect any defects in the other two lines. According to the article, if all three lines worked, the system could treat 750 tons of radioactive water a day.

Water samples taken from System B on March 17 showed high levels of radioactive materials dropped to several tens of millions of becquerels from several hundred million becquerels, the article said. Those amounts were less than expected at the time the system was implemented, and triggered the shut down of the system. The system, however, is unable to remove tritium from the water.

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