摘要
优化内陆核电厂低放废水排放方式,把对环境的影响减小到尽可能低的合理程度,是一个很重要的课题。选取某拟建内陆核电站为例,采用三维数值模拟方法,计算内陆核电厂放射性液态流出物在水库中的弥散状况;通过实验手段,研究放射性核素在水库中吸附沉积特性,获得典型核素的吸附分配系数,计算出核素在水库底泥和岸边的沉积量;最后计算水生生物及典型渔民所受辐照剂量值,通过与法规标准的对比,评估了核电厂正常运行低放废液排放对水体环境的影响。
It is important to analyse the effect of inland nuclear power plant low-radioactive effluent on the environment. In order to solve the problem, an inland nuclear power plant is selected to do numerical simulation. Using three-dimensional CFD software, the low-radioactive effluent diffusion in the reservoir is calculated. By means of physical experiment, nuclide adsorption and deposition characteristics in the reservoir are studied. Then the method in IAEA 19 report is used to calculate nuclide sediments in the reservoir. Finally the irradiation doses of the aquatic organisms and the typical fisherman are calculated. By comparing with regulations and standards, it is evaluated the effect of the low-radioactive effluent from normal operation of the nuclear power plant on water environment.
出处
《环境工程》
CAS
CSCD
北大核心
2014年第2期15-20,共6页
Environmental Engineering
关键词
内陆核电厂
低放废水
环境影响
数模
inland nuclear power plant
low-radioactive effluent
environment impact
numerical simulation
