The exhaust gas filter of the nuclear sewage treatment plant at the Fukushima Daiichi Nuclear Power Plant in Japan is almost completely broken

2021-09-15: [Original Article Link].

On the 13th local time, Tokyo Electric Power Company of Japan reported at a meeting of the Japan Atomic Energy Regulatory Commission that, at the Fukushima Dai-ichi nuclear power plant for filtering nuclear waste water radioactive materials from the plurality of radionuclide removal apparatus of a total of 25 exhaust filter 24 breakage. The filter screen of the "multi-nuclide removal device" is made of cellophane. When the mud-like pollutants generated in the process of nuclear sewage treatment flow into the special container, the filter can absorb the radioactive substances in the waste gas. In late August, when the alarm sounded during the transfer of nuclear pollutants to the new container, the company found that one of the filters was damaged, and 24 filters were damaged when other filters were subsequently inspected. Replace the filter after some device to 7th day of this month the resumption of operations. The company said it did not find any increase in nuclear radiation around the building where the device is located. In addition, the company also reported on the same day that the company had found that all 25 filters of the "multi-nuclide removal equipment" were all damaged when inspecting the equipment two years ago. At that time, only the filters were replaced, however, it has not been reported, and the reasons have not been investigated and relevant preventive measures have been taken. In this regard, the Atomic Energy Regulatory Commission criticized TETC for "great management problems".

Note: This is auto-translated version of an article meant for Chinese audience. A mature and nuanced reading is suggested.