Why is nuclear wastewater produced?

Introduction Why is nuclear wastewater produced? Nuclear wastewater comes from cooling system wastewater, wastewater generated after nuclear fuel processing, auxiliary plant wastewater, nuclear fission cooling wastewater, etc. 1. Cooling system waste

Why is nuclear wastewater produced?

Nuclear wastewater comes from cooling system wastewater, wastewater generated after nuclear fuel processing, auxiliary plant wastewater, nuclear fission cooling wastewater, etc.

1. Cooling system wastewater

The reactor cooling system cycle water must be replaced regularly. This wastewater contains radioactive substances and other pollutants.

2. Wastewater generated after nuclear fuel processing

When using nuclear fuel, the fuel must be post-treated to remove harmful substances. This process produces wastewater containing radioactive materials.

3. Wastewater from auxiliary facilities

Auxiliary facilities around the nuclear power plant, such as chemical cleaning devices, waste treatment facilitieswastewater, etc., will also produce nuclear wastewater.

4. Cooling of nuclear fission wastewater

After an accident at a nuclear power plant, a large amount of water must be injected to cool the enormous heat generated by the accident, thus producing radioactive nuclear wastewater.

A brief summary of nuclear wastewater discharges in Japan is as follows:

As of 1:00 p.m. local time on August 24, 2023, the reactor of Fukushima The Daiichi nuclear power plant in Japan has started nuclear operations. The polluted water is discharged into the sea. The release of nuclear contaminated water is expected to be 200-210 tons, and the daily release will be announced the next day. The first discharge into the sea will discharge approximately 460 tonnes per day for 17 days, for a total discharge of approximately 7,800 cubic meters of water contaminated by nuclear substances.

On August 26, 2023, according to Japanese television network TBS, TEPCO admittedis that approximately 66% of the nuclear-contaminated water currently in storage tanks contains radioactive substances that exceed the standard. When asked when all water contaminated with nuclear substances would be released, TEPCO's crisis public relations manager responded that TEPCO currently has no specific plans for when all water contaminated with nuclear substances will be released. would be rejected.

Reference for the above content: Baidu Encyclopedia-Nuclear Wastewater

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