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    BATAN is Able to Manage Reflector Waste from the Triga Mark Reactor


    BANDUNG- The Center for Applied Nuclear Science and Technology (PSTNT), the National Nuclear Energy Agency (BATAN) succeeded in pouring out one important component of the Triga reactor, the reflector, which is part of the reactor core that serves to reflect neutrons back into the reactor core to keep the reaction going on. nuclear.

    The Head of the Reflector Waste Transportation Team, Dadang Supriatna, said that when the capacity of the Triga reactor was increased from 1MW to 2MW in 1996, reflectors had to be replaced, as a result the old reflectors became radioactive waste which had to be well managed.

    "All this time the reflector waste has been stored in one of the temporary storage areas in the PSTNT while awaiting storage at a waste warehouse owned by the Radioactive Waste Technology Center (PTLR) in the Serpong Nuclear Area," he said.

    According to Dadang, reflector waste must be stored in radioactive waste storage in PTLR, but the process of moving reflector waste cannot be done just like that, but must prepare many of these things that are required in the process of transportation from Bandung to Serpong Nuclear Area.

    "There are 10 stages that must be fulfilled in transporting the reflector waste must be prepared properly to ensure the safety of workers, the community and the environment during the trip. From planning to carrying out the delivery of waste," said Dadang after completing reflector appropriation activities at PTLR.

    Dadang said, given the very high level of reflector radiation exposure, a special design container or container was needed so that the radiation coming out of the reflector did not endanger the community and the environment during the transportation process.

    "Before carrying out the reflector waste transportation, a survey and measurement phase of reflector radioactivity are needed, to find out the amount of reflector radioactivity, the results of which will be used to design the reflector transport container," he said.

    Meanwhile, PTLR's Head of Work Safety and Operations, Suhartono, the reflector transport container made by PTLR has an inner diameter of 130 cm with a height of 180 cm, whereas for the bottom and top cover of the container, it is coated with lead (Pb) as thick as 3 cm.

    "From the design of the container that was made and fabricated, the reflector exposure rate which was 14 milie sievert (mSv) to 300 micro sievert, this has fallen far from the required safety limit of 2 mSv," he explained.

    Suhartono added that containers are made by anticipating in the event of an accident on the way, then the radioactive waste that is transported must not be spilled so that it contaminates the environment. For this reason, in addition to container design, fulfillment of transportation requirements is also mandatory to reduce risks while traveling.

    "The success in processing this reflector waste has made it even more confident that BATAN is able to solve future challenges in radioactive waste management which also increases community acceptance of BATAN's ability to manage radioactive waste, which has been frequently asked by the public," he explained. (Parno)

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