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In Japan, they invented a new method of water purification at Fukushima NPP

The Government of Japan and the operator Tokyo Electric Power (TEPCO), which controls the operation of the Fukushima nuclear power plant, are considering a plan to transfer polluted groundwater from wells in the region of the nuclear power plant to the Pacific Ocean after pre-treatment of most radioactive substances, a correspondent reports. APR PRESS with reference to the Japanese newspaper Yomiuri Shimbun.

It is planned to pump contaminated water from 42 wells from 1 to 4. By reducing groundwater, it is expected to contain the spread of contaminated water in the 3 reactor and turbine compartment. Tepco expects to be able to reduce the amount of water entering the turbine compartment by almost 2. Currently, 300-400 tons per day seeps into the department, it is planned to reduce this volume to 200 tons.

As reported in TEPCO, along with erection of the ice wall around the nuclear power plant, in order to freeze the soil under the reactors, successful pumping of water into the ocean can become one of the key measures for fighting contaminated water at nuclear power plants. However, to date, the geometry of underground tunnels impedes the complete freezing of radioactive water and so far no progress has been achieved in this project. Therefore, the leakage of radioactive water continues and the new proposed way of pumping water can be the only solution to the problem.

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