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Advanced Membrane Degassing Technology for Radiation Source Term Reduction and Corrosion Control in Nuclear Power Plants

Dissolved gas control in a nuclear power plant's water system, including the primary make-up water storage tank and refueling water storage tank, can be essential to reduce radiation source term (defined as a release of radioactive material).

Controlling dissolved gases can also help reduce the formation of unwanted radionuclides, such as C and oxides of Co, and alleviate Primary Water Stress Corrosion Cracking (PWSCC).

C nuclides are produced by neutron-induced reactions on isotopes of carbon, nitrogen and oxygen molecules. Since these elements are present in the fuel, cladding, coolant, moderator and structural materials of nuclear reactors, removing the dissolved gases from the process water can reduce the formation of C nuclides.

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