Physicochemical Forms of Iodine in the Primary Coolant of a Nuclear Power Plant with Ammonia Water Chemistry

被引：1

作者：

Moskvin, L. N. ^{[1
]}

Epimakhov, V. N. ^{[2
]}

Orlov, S. N. ^{[2
]}

Mysik, S. G. ^{[2
]}

Fomenkov, R., V ^{[2
]}

Podshibyakin, D. S. ^{[2
]}

机构：

[1] St Petersburg State Univ, St Petersburg 199034, Russia

[2] Fed State Unitary Enterprise Alexandrov Res Inst, Sosnovyi Bor 188540, Leningradskaya, Russia

来源：

RADIOCHEMISTRY | 2022年 / 64卷 / 02期

关键词：

pressurized water reactor; primary coolant; physicochemical forms of iodine radionuclides; volatile; organic; inorganic; iodate; iodide; coolant purification factor; RADIOACTIVE IODINE; REACTOR COOLANT; BEHAVIOR; SPECIATION;

D O I：

10.1134/S1066362222020059

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The article is devoted to the determination of physiochemical forms of iodine radionuclides in the primary loop coolant of transportable nuclear power plants (TNPP) of pressurized water type with ammonia water chemistry. The main form of iodine radionuclides I-131-I-135 in the coolant is the iodide form. The content of iodate ions is 1-2% at an ammonia concentration of 18 to 79 mg/kg. The fraction of volatile organic and inorganic forms of iodine radionuclides passing into the gas phase from the coolant does not exceed 3.3 x 10(-2) and 2.5 x 10(-4)%, respectively.

引用

页码：151 / 157

页数：7

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