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| TerraPower, LLC ： ウィキペディア英語版 |
TerraPower
TerraPower is a nuclear reactor design company headquartered in Bellevue, Washington, in the United States. TerraPower is a class of nuclear fast reactors called the traveling wave reactor (TWR).〔(RIL buys stake in US's Terra Power ), www.moneycontrol.com〕 TerraPower is partly funded by Los Alamos National Laboratory. Unlike standard light water reactors such as PWRs or BWRs that operate by using enriched uranium as fuel, TWR uses depleted uranium instead, with an estimated operation period from 40 to 60 years. The byproduct of the Uranium-235 fission can be re-used for other TWR reactors.
==Traveling wave reactor==
TerraPower has chosen TWRs as its primary technology. The major benefit of such reactors is high fuel utilization in a manner that does not require reprocessing and could eventually eliminate the need to enrich uranium. TWRs are designed to convert typically unusable fertile nuclides such as U-238 into fissile nuclides like Pu-239 in-situ and then shift the power from the highly burned region to the freshly bred region. This allows the benefits of a closed fuel cycle without the expense and proliferation-risk of enrichment and reprocessing plants typically required to get them. Enough fuel for between 40 to 60 years of operation could be in the reactor from the beginning. The reactor could be buried below ground, where it could run for an estimated 100 years.
TerraPower plans to have a TWR prototype built by 2020 producing electricity for the grid in the several-hundred megawatt capacity range.
As of October 2015, the company is also investigating the molten salt reactor (MSR) as an alternative technology.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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