Workers prepare water decontamination system at nuclear plant (JAPAN)

[AsahinaKimi]

TOKYO —

Workers on Sunday began checking the operation of devices that will be part of a system to decontaminate water containing radioactive substances at the Fukushima Daiichi nuclear power plant, with the aim of activating the system in mid-June, officials of the plant operator said.

Tokyo Electric Power Co, operator of the plant that was badly damaged in the March 11 earthquake and tsunami, is building the system to deal with the massive amounts of highly contaminated water at the plant in Fukushima Prefecture.

The system, set up at a facility where such water from the Nos. 2 and 3 units has been transferred, is expected to be able to treat about 1,200 tons per day, reducing the concentrations of radioactive substances to between around one-thousandth and one-ten thousandth.

It includes an oil separator to remove oil, a device to absorb radioactive cesium, decontamination equipment for cesium and strontium, and a desalination apparatus, according to the officials. Some of the devices were made with technical cooperation from Kurion Inc of the United States and Areva SA of France.

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