Autor: Petrov, V. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Assessing the Environmental Condition of Minor Rivers in Urban Areas
Autorzy:: Kuznetsov, V. S.
Petrov, D.S.
Powiązania:: https://bibliotekanauki.pl/articles/124132.pdf
Data publikacji:: 2017
Wydawca:: Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:: sediment pollution
minor rivers
oil product pollution
environmental monitoring
heavy metal pollution
Opis:: This article is devoted to the study of water and sediment pollution in the channel of the Neva delta. Spectrophotometry was used to determine the concentration of pollutants in water. In the chemical analysis of the precipitate, atomic absorption spectroscopy and infrared spectroscopy were used. Analysis of the hydrochemical composition and sediment of the Smolenka River showed high concentrations of heavy metals and petroleum products. At the same time, the hydrochemical composition of the Smolenka River is highly unstable, but the concentration of oil products and lead in the sediments indicates the presence of local pollution sources. Based on our findings, we are guided by the restoration of the aquatic environment.
Źródło:: Journal of Ecological Engineering; 2017, 18, 6; 110-114
2299-8993
Pojawia się w:: Journal of Ecological Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Investigation of Waste Properties of Subway Construction as a Potential Component of Soil Layer
Autorzy:: Ivanov, A. V.
Smirnov, Y. D.
Petrov, G. I.
Powiązania:: https://bibliotekanauki.pl/articles/124091.pdf
Data publikacji:: 2018
Wydawca:: Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:: subway
waste
soil
landfill
mine site
hazard class
total carbon
moisture
biotesting
Chlorella algae
Opis:: The construction of subway stations is inevitably accompanied by the formation of a large amount of waste that is extracted from the underground workings by rock. When the waste is transported, the air is polluted with the exhaust gases of the dump trucks, some of the waste can stay on the road surface, the use of dump trucks increases the load on the roadway, the disposal of waste at landfills harms the environment, and enterprises pay fees for the transportation as well as placement of the waste. The article deals with the waste from the construction of new stations in the Saint-Petersburg subway. In order to determine the possibility of using waste in the municipal economy, a comprehensive analysis of this waste was carried out, including determination of moisture content, acidity, total carbon content, as well as chemical and granulometric composition. On the basis of the study results, it was established that the waste in question belongs to the hazard class 5, which enables to use it as a component of the soil mixture. Afterwards, the hazard class 5 was confirmed by the method of bioassay based on the determination of water toxicity by changing the optical density of the Chlorella algae culture.
Źródło:: Journal of Ecological Engineering; 2018, 19, 5; 59-69
2299-8993
Pojawia się w:: Journal of Ecological Engineering
Dostawca treści:: Biblioteka Nauki

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