Japan to start building underground ice wall at Fukushima
Published on Jun 2, 2014 12:22 PM
TOKYO (AFP) - Japan will on Monday start constructing an underground ice wall at the crippled Fukushima nuclear plant, freezing the soil under broken reactors to slow the build-up of radioactive water, officials said.
The wall is intended to block groundwater from nearby hillsides that has been flowing under the plant and mixing with polluted water already there.
The Nuclear Regulation Authority, the national watchdog, last week gave the go-ahead to beginning the construction of the ice wall at Fukushima No.1, owned and operated by Tokyo Electric Power Co (Tepco).
The government-funded scheme will see pipes laid deep in the soil through which refrigerant will be piped to create the 1.5km frozen wall that will stem the inflow of groundwater.
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