scholarly journals Influence of Thermal Pollution from Beloyarka Nuclear Power Plant on Zooplankton and Zoobentos Community of the Beloyarka Reservoir.

2016 ◽  
pp. 90
Author(s):  
Keyword(s):  
Water Quality ◽  
Power Plant ◽  
Species Diversity ◽  
Nuclear Power Plant ◽  
Water Body ◽  
Nuclear Power ◽  
Diversity Indices ◽  
Polluted Water ◽  
Biological Research ◽  
Species Diversity Indices

Results of hydro/biological research in the Beloyarka nuclear power plant cooling reservoir conducted to determine peculiar features of the water body zooplankton and zoobenthos development under the nuclear power plant impact are presented. On the basis of the researches conducted some general trends of the Beloyarka Reservoir zoobenthos communities structure changes in the Beloyarka NPP impact zone were disclosed. The most significant changes in the bottom-located communities were detected in the zone directly adjacent to the BN-600 outlet where the worst water quality was detected, reduction of the zoobenthos and periphyton total abundance, biomass and species number, as well as the least species diversity indices. Saprobity indices corresponded to polluted water. Water quality indicators’ array calculated by the hydrocoles indicators characterized the Beloyarka Reservoir as a water body of the euthrophic type, as for the saprobity degree, it was characterized as a β-mezosaprobic water body being transferred into the α-mezasaprobic zone. The worst water quality and low species diversity indices were registered in the area close to the heated waters discharge point.

scholarly journals Environmental Characteristics by Eco-Sanitary and Toxic Criteria of the Cooling Pond of Zaporizhzhya Nuclear Power Plant (Ukraine)

2018 ◽  
Vol 70 ◽  
pp. 1-10
Author(s):  
Оlena Fedonenko ◽  
Tamila Ananieva ◽  
Tetyana Sharamok ◽  
Oleg Marenkov
Keyword(s):  
Water Quality ◽  
Power Plant ◽  
Nuclear Power Plant ◽  
Toxic Metals ◽  
Nuclear Power ◽  
Water Environment ◽  
Ecological Status ◽  
Polluted Water ◽  
Class Iii ◽  
Cooling Pond

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".

Bratislavia dadayi (Michaelsen 1905) (Annelida, Clitellata, Naididae): discovery of an alien oligochaete in a technogenic fresh water body in Ukraine

Zootaxa ◽  
2019 ◽  
Vol 4711 (2) ◽  
pp. 349-365
Author(s):  
VLADIMIR A. GUSAKOV ◽  
ANZHELIKA A. SYLAIEVA
Keyword(s):  
Power Plant ◽  
Nuclear Power Plant ◽  
Fresh Water ◽  
Water Body ◽  
Nuclear Power ◽  
Potential Distribution ◽  
Cooling System ◽  
European Continent ◽  
Previous Record ◽  
Sexually Mature

A non-native oligochaete, Bratislavia dadayi (Michaelsen 1905), is recorded from a water body of the cooling system of the Khmelnitsky Nuclear Power Plant (Ukraine). This is the first registration of this species in the central part of the European continent, far from sea and river navigable waterways. The only previous record of B. dadayi in Europe had been from a Belgian estuary. The occurrence in samples taken over several years, and the presence of sexually mature individuals in the Ukrainian population indicate the worm’s successful naturalization in the new habitat. In this paper, we analyze the species’ morphology and abundance in the Ukrainian population and discuss its ecology, current and potential distribution. 

Impact of a nuclear power plant on water quality of Embalse del Río Tercero Reservoir, (Córdoba, Argentina)

Hydrobiologia ◽  
1992 ◽  
Vol 246 (2) ◽  
pp. 129-140 ◽  
Author(s):  
Aldo A. Mariazzi ◽  
Jorge L. Donadelli ◽  
Patricia Arenas ◽  
Miguel A. Di Siervi ◽  
Carlos Bonetto
Keyword(s):  
Water Quality ◽  
Power Plant ◽  
Nuclear Power Plant ◽  
Nuclear Power ◽  
Del Rio

The Chemistry Experience Summary During the Engineering Commissioning Period of Fujian Ningde Nuclear Power Plant

2017 ◽  
Author(s):  
Heng Liu ◽  
Yue Chen ◽  
Fuping Li ◽  
Hui Liu ◽  
Shunlong Yang
Keyword(s):  
Water Quality ◽  
Power Plant ◽  
Nuclear Power Plant ◽  
Water Chemistry ◽  
Nuclear Power ◽  
Functional Test ◽  
Fuel Loading ◽  
Line System ◽  
Good Practices ◽  
Commercial Operation

In chemical researchers view, hot functional test is a verification of the Nuclear Power Plant before first fuel loading and commercial operation, which is the preparation for staffs, documents, instruments and sampling systems. So, chemistry department should use its own language, knowledge and experience to express their thoughts and what they have seen during the engineering commissioning period. As the first commercial operation nuclear power plant after Fukushima nuclear accident, during the four units commissioning period, chemical researchers accumulated a lot of good experience and feedbacks in the aspect of construction and commissioning for new nuclear power plant. For example, in order to ensure the personnel skill level, we must make special plans which include staff training, laboratory construction, instrument and on-line system commissioning, and all of these should be timely adjusted and changed in order to be consistent with the engineering progress. In order to ensure the water quality of pipe flushing in different stages, such as cold functional test, hot functional test, we should set a strictly water chemical standard which based on the HAF103, and the standard should have some differences in different stage for one unit. In order to ensure the water chemistry in good performance especially after the unit going into commercial operation, the maintenance plan for equipment and system must be formulated, and then, a detailed monitoring plan must be executed. At the same time, a strict system flushing controlling mode can also provide a great benefits for water chemistry quality, especially in the period of start-up. In addition to these above experiences, chemistry researchers of Ningde nuclear power plant also accumulated a lot of good practices and feedbacks about dealing with some abnormal water quality activities, which can’t be founded in commercial operation unit. For example, the aluminum (Al) content in the primary increased rapidly and beyond the specification limits in hot functional test and so on. This article will share the good practices and feedbacks of the first phase of Fujian Ningde nuclear power plant. We hope these good practices and experience feedbacks can provide good reference for the other new nuclear plants in the stage of design, construction, operation and maintenance in the future.

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