[Perspective Society · Ecological Supervision] Leakage in the Misimi Bin nuclear power plant in Japan

According to CCTV News client, Japan Kansai Electric Power Co., Ltd. announced on August 1, local time, and has been in the nuclear reactor assistance building of Unit 3, which has been in a state of shutdown for more than 40 years. 7 tons contain water with radioactive substances. But Kansai Power said that it did not have an impact on the outside world.

Kansai Electric Power is investigating whether the leakage will affect the restart of the unit scheduled to be scheduled to be scheduled to be on August 10.

Meibin Nuclear Power Station (Screenshot of CCTV Video)

A severe accident caused by severe accidents in Japan's Nuclear Nuclear Power Station died

It is reported that Unit 3 Meibin Nuclear Power Station started in December 1976. The crew of the cooling pipe rupture in 2004 caused five operators to die. In order to extend the period of operation, Kansai Electric Power Company applied to the Regulations for review in March 2015 and was reviewed in accordance with the new standards. In April of the same year, it had been scrapped for more than 40 years and the output power was small.

On June 23, 2021, through written opinions, the Japanese Fukui County Council decided to agree to the Kansai Electric Power Company Meibin Nuclear Power Station 3 and Kansai Electric Power Company Gauba Nuclear Power Station No. 1 and No. 2. These nuclear power plant units have been operated for more than 40 years. This is the first time in Japan to restart three nuclear power plant units that have restimated 3 running time for more than 40 years.

According to the "Nuclear Reactor and other regulations" revised after the Fukushima nuclear accident, the operation period of the nuclear power plant is based on the 40 years as the limit, but the approval of the regulatory committee can be extended up to 20 years.

Japan is expected to launch the Fukushima nuclear sewage discharge plan in the spring of 2023

According to the previously announced information, on the morning of July 22, 2022, local time, the Japanese Atomic Energy Regulation Committee officially approved the nuclear sewage discharge plan for Tokyo Electric Power Corporation after the Fukushima first nuclear power plant accident.

The East Power Plan launched the sea of ​​exhaust in the spring of 2023. After the sewage is diluted through the seawater, it will be discharged by the submarine tunnel about 1 kilometer near the sea. Dongdian submitted a review application in December 2021. According to the plan, Dongdian will use a large amount of seawater to dilute nuclear sewage to make the radioactive substance in the water in the water below 1/40 of the national standard, and then discharge through the new submarine tunnel to about 1 kilometer. Nuclear sewage is expected to take decades.

What is the harm of nuclear sewage in the sea? Ten years later, it will pollute the global waters

Nuclear sewage is a cooling water injected into the reactors after the core of the nuclear power plant is in order to prevent melting. Earlier, the Japanese government and Tokyo Electric Power Corporation said that the filter equipment called "multi -core removal equipment" can filter 62 radioactive substances, while "氚" is difficult to remove from the water.

Public information shows that if human beings continue to expose under the radiation, cell death and DNA damage may be caused.

Picture source: CCTV News

Once nuclear sewage is ranked into the sea, it will not only pollute the waters near Fukushima, but also affect the waters of neighboring countries, and even adversely affect the global marine ecological environment.

German Marine Science Research Institutions pointed out that the coast of Fukushima has the strongest ocean flow in the world. Within 57 days from the date of discharge, radioactive substances will spread to most of the Pacific region. After 3 years, the United States and Canada will be affected by nuclear pollution. Ten years later, it spread to global waters. The carbon contained in sewage will be in danger within 14 thousand years, which will affect all aspects of global fish migration, ocean fisheries, human health, ecological security and other aspects, and it is difficult to estimate the potential threats of human society and marine ecological environment health.

(WeChat public account "Perspective Club" Comprehensive CCTV.com and China Environmental Network report)

Edit: Cheng Yi

School pair: Wu Yueran

Review: Gong Zimo

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