Radiation exposure reduction method
US8798225B2 · kind B2 · utility
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6Claims
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Key dates
| Filing date | Nov 4, 2009 |
| Grant date | Aug 5, 2014 |
| Priority date | — |
| Expiry date | Jun 19, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E30/30
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A radiation exposure reduction method includes the steps of: injecting iron into a coolant which flows from the reactor cooling system to the reactor core in a nuclear power plant; and ferritizing and fixing radionuclides or parent nuclides thereof, which are contained in the coolant, on the surface of a reactor core structure, wherein an iron citrate which is soluble organic iron, or iron oxalate or iron fumarate which has a particle diameter of 3 μm or less, is used as the iron to be injected into the coolant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.