Explained: How Japan plans to release contaminated Fukushima water into the ocean

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Japan plans to merchandise into the oversea much than a cardinal tonnes of radioactive h2o from the destroyed Fukushima atomic station, it said connected Monday. Read connected to cognize however it plans to merchandise the contaminated Fukushima h2o into the ocean.

An aerial presumption shows the retention tanks for treated h2o astatine the tsunami-crippled Fukushima Daiichi atomic powerfulness works successful Okuma town, Fukushima prefecture, Japan February 13, 2021. (Photo: Reuters)

Japan plans to merchandise into the oversea much than a cardinal tonnes of radioactive h2o from the destroyed Fukushima atomic station, it said connected Tuesday. Plant relation Tokyo Electric Power Company Holdings Inc (Tepco) volition begun pumping retired h2o successful astir 2 years aft attraction successful a process that volition instrumentality decades to complete.

CONTAMINATED WATER

Tepco has been struggling with the build-up of contaminated water since bringing 3 reactors nether power aft a 2011 earthquake and tsunami knocked retired energy and cooling.

The institution has been utilizing a makeshift strategy of pumps and piping to inject h2o into damaged reactor vessels to support melted uranium substance rods cool.

The h2o is contaminated arsenic it comes successful interaction with the substance earlier leaking into damaged basements and tunnels, wherever it mixes with groundwater that flows done the tract from hills above. The operation results successful excess contaminated h2o that is pumped retired and treated earlier being stored successful immense tanks crowding the site.

Those tanks present clasp astir 1.3 cardinal tonnes of radioactive water, capable for astir 500 Olympic-sized swimming pools.

Efforts to tackle the occupation person included gathering an "ice wall" astir the damaged reactors and wells to gully groundwater distant earlier it reaches the reactors. These measures person slowed, but not halted, the buildup of contaminated water.

Over the years, Tepco has besides battled leaks, spills, malfunctioning instrumentality and information breaches, hindering cleanup efforts expected to tally for decades.

In 2018, Tepco admitted it had not filtered each unsafe materials retired of the water, contempt saying for years they had been removed.

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