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| Probe into Fukushima No.2 reactor hits snag | |
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| Tweet Topic Started: 5 Aug 2015, 10:48 PM (29 Views) | |
| skibboy | 5 Aug 2015, 10:48 PM Post #1 |
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Probe into Fukushima No.2 reactor hits snag Aug. 5, 2015 Sources familiar with the decommissioning process at the Fukushima Daiichi nuclear plant say efforts to determine the state of molten fuel in the reactors have hit another snag. They say 2 new devices developed at a cost of more than 4 million dollars to take X-ray-like photos inside the No.2 reactor are too big to install. The Japanese government and the plant operator, Tokyo Electric Power Company, devised the machines so that they use elementary particles called muons to see through hard surfaces and map the spread of fuel inside. They planned to start capturing images as early as this fall. But they found the 8-by-8-meter devices will not fit the No.2 reactor building site unless they remove and decontaminate other equipment first. They believe that would hinder the decommissioning process. It would also cost twice as much money as they spent creating the devices. Workers have been using muon detectors at the No.1 reactor since February. The devices meant for the No.2 reactor were designed to capture images with higher resolutions. The government and TEPCO will divert the machines at the No.1 reactor to the No.2 reactor as early as year-end. They say if it is a success, they may abandon the plan to use the new devices. TEPCO has also postponed plans to send a robot probe into the No.2 reactor in August to investigate the molten fuel due to problems with the preparations. Source:
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9:53 AM Jul 11