ORGANIC IODINE COLLECTION DEVICE AND ORGANIC IODINE COLLECTION METHOD

The present invention provides an organic iodine trapping apparatus and an organic iodine trapping method capable of efficiently trapping organic iodine in a nuclear reactor container vessel. There is provided an organic iodine trapping apparatus (100) that traps organic iodine in a nuclear reactor container vessel (10), including: a liquid vessel (1) containing a non-volatile liquid (L1) (Example: ionic liquid, interfacial active agent solution and the like) capable of decomposing organic iodine; and an introduction pipe (2a) for introducing a fluid containing organic iodine in the nuclear reactor container vessel (10) to the non-volatile liquid (L1), in which the non-volatile liquid (L1) is heated by heat in the nuclear reactor container vessel (10) or reaction heat of the fluid in the nuclear reactor container vessel (10), and then decomposes and traps the organic iodine. There is provided an organic iodine trapping method including: heating a non-volatile liquid (L1) capable of decomposing organic iodine by heat in the nuclear reactor container vessel (10) or reaction heat of fluid in the nuclear reactor container vessel (10); making the fluid containing organic iodine pass through the heated non-volatile liquid (L1); and decomposing and trapping the organic iodine in the non-volatile liquid (L1).