Research Article
Verification of the Efficacy of Passive Autocatalytic Recombiners in a Typical Pressurized Water Reactor under a Station Blackout Condition
Table 1
PAR characteristic for SKN units 3 and 4.
| Company | Korea Nuclear Technology (KNT) |
| Type | Catalytic | Quantity (for each unit) | (i) Large: 16 (including 8 PARs for DBA) (ii) Medium: 10 (including 8 PARs for DBA) (iii) Small: 4 | Recombination rate (g/sec) | (i) Large: 0.9 at 4.0 v/o H2, 2.0 at 8.0 v/o H2 (ii) Medium: 0.4 at 4.0 v/o H2, 1.0 at 8.0 v/o H2 (iii) Small: 0.2 at 4.0 v/o H2, 0.5 at 8.0 v/o H2 | Operable hydrogen concentration | (i) Above 2.0 v/o (initial) (ii) Above 0.5 v/o (continuous) | Material | (i) Housing: stainless steel (ii) Catalyst: Al2O3 + Pt coating |
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