Swing Corporation

Ebara Industrial Cleaning Co., Ltd.

Hainan Litree Purifying Tech Co., Ltd.

Daichi Sakashita

Kenichi Futami

Junichi Hayakawa

Tomokazu Sekine

Tatsuo Shimomura

Takahiro Miama

Yoshihide Kaiya

Masazumi Oba

Lianggang Chen

Qing Chen

A decontamination method of solid-state material contaminated by radiocesium comprising bringing the solid-state material containing radiocesium in contact with a first processing solution and preferably eluting cesium ion from the solid-state material to the liquid phase under the presence of potassium ion or ammonium ion.

Decontamination method and apparatus for solid-state material contaminated by radiocesium

There is provided a hollow fiber membrane module () comprising: a membrane bundle () of a plurality of hollow fiber membranes (); a cylindrical body () housing the membrane bundle (); a fixing portion () in which at least one end of the membrane bundle () is fixed to the cylindrical body (); and a raw water outflow nozzle () for allowing raw water to flow out from the vicinity of the fixing portion (). Raw water supplied into the cylindrical body () is allowed to permeate from the outside into the inside of each hollow fiber membrane (). A soft potting portion () has, in its surface to be in contact with raw water, at least one groove ().

Hollow fiber membrane module

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Tokyo, Japan

Daichi Sakashita