Research for Li concentration control method of PWR
Description
The primary coolant in a PWR Plant contains boric acid to control the excess reactivity and Lithium-7 to reduce the induced reactivity of corrosion products. Li-7 which is produced by B-10 (η, α) Li-7 reaction is necessary to be removed by cation demineralizer in order to avoid the accumulation of it. Recently, to reduce the solubility of corrosion products and the radiation level from radioactive corrosion products, it is recommended that the concentrations of boron and Li-7 in reactor coolant are controlled within the appropriate ranges. In this paper, the simulation analysis to determine Li-7, B and Cs-137 concentrations and the operation procedure to control Li-7 and B concentrations are studied, and an optimum operation procedure is proposed. (author)
Additional details
Additional titles
- Subtitle (English)
- Li concentration control of primary coolant system
Publishing Information
- Journal Title
- Nippon Kikai Gakkai Ronbunshu, B Hen
- Journal Volume
- 55
- Journal Issue
- 511
- Series
- Nippon Kikai Gakkai Ronbunshu, B Hen.
- Journal Page Range
- 828-832
- ISSN
- 0387-5016
- CODEN
- NKGBD
INIS
- Country of Publication
- Japan
- Country of Input or Organization
- Japan
- INIS RN
- 20069494
- Subject category
- S21: SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS;
- Descriptors DEI
- BORON; CONTROL SYSTEMS; COOLANTS; CORROSION PRODUCTS; FLOW RATE; FLUID POISON CONTROL; ION EXCHANGE; LITHIUM; NUMERICAL SOLUTION; PRIMARY COOLANT CIRCUITS; PWR TYPE REACTORS; QUANTITY RATIO; TIME DEPENDENCE
- Descriptors DEC
- ALKALI METALS; COOLING SYSTEMS; ELEMENTS; ENRICHED URANIUM REACTORS; METALS; POWER REACTORS; REACTOR COMPONENTS; REACTOR COOLING SYSTEMS; REACTORS; SEMIMETALS; THERMAL REACTORS; WATER COOLED REACTORS; WATER MODERATED REACTORS