乌克兰扎波罗热亚核电站冷却池生态卫生和毒性标准的环境特征

IF 0.3
Оlena Fedonenko, T. Ananieva, T. Sharamok, O. Marenkov
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引用次数: 2

摘要

从水化学和毒理学指标方面对扎波罗热核电站冷却池的生态状况进行了调查。大多数水化学和水物理指标的生态水质符合II类,即3类,特征为“相当干净”。然而,根据BOD5指数,水质为“满意”(III类,4类)。根据硝酸盐氮和磷酸盐磷的含量,水质属于IV类,6类,为“坏,脏水”。主要的人为污染物是铜、铁、锌和氟化物。其在水中的浓度生态特征对应于III类和4-5类水质,即“较差和中度污染”的水。水库底部沉积物表层有毒金属的富集程度依其类型而定,砂质沉积物中有毒金属含量最少,泥质沉积物中有毒金属含量最多。在扎波罗热亚核电站冷却池典型的水物理和水化学条件下,有毒金属对水环境造成严重二次污染的可能性很小。计算结果表明,扎波罗热核电站冷却池水的生态质量平均化学指数为2.5,为“良好”和“清洁”。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Environmental Characteristics by Eco-Sanitary and Toxic Criteria of the Cooling Pond of Zaporizhzhya Nuclear Power Plant (Ukraine)
It has been investigated the ecological status of the cooling pond of Zaporizhzhya Nuclear Power Plant (NPP) on the hydrochemical and toxicological indicators. The ecological water quality by most hydrochemical and hydrophysical indices corresponds to the class II, category 3, and is characterized as "fairly clean". However, according to the BOD5 index, the water quality is "satisfactory" (class III, category 4). By the contents of both nitrogen of nitrates and phosphorus of phosphates the water quality belongs to the class IV, category 6, as "bad, dirty water". The main anthropogenic pollutants are copper, iron, zinc, and fluorides. The ecological characteristics by their concentrations in the water correspond to the class III, and categories 4–5 of quality, which are "poorly and moderately polluted" water. Accumulation of toxic metals in the surface layer of the reservoir bottom sediments depends on their types, the minimal content is found in sandy sediments, and maximal one is in muddy sediments. The possibility of significant secondary pollution of the water environment by toxic metals is small under the hydrophysical and hydrochemical conditions typical for the cooling pond of Zaporizhzhya NPP. According to the calculations, the value of the average chemical index of ecological quality is "2.5", which characterizes the water of the Zaporizhzhya NPP cooling pond as "good" and "clean".
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来源期刊
International Letters of Natural Sciences
International Letters of Natural Sciences MULTIDISCIPLINARY SCIENCES-
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