Abstract
The influence of Nickel (II) and Chronic (VI) ions on the redox processes in activated sludge community is discussed. Toxicity definition is made on the basis of fermentation activity (measurement dehydrogenase activity of sludge)
Highlights
In the modern world, more and more attention is paid to ecology and environmental protection, including water resources
Among other branches of industrial production in the Republic of Tatarstan, a complex of heavy industry enterprises related to mechanical engineering and tool making is developed. Their activity is associated with the use of heavy and other metals, which become a source of environmental pollution and are highly toxic [1, 2]
The objects under study were the bioindication systems of the wastewater treatment process based on adapted microorganisms of activated sludge from the treatment facilities of OJSC ‘Kazan Optical and Mechanical Plant’
Summary
More and more attention is paid to ecology and environmental protection, including water resources. Among other branches of industrial production in the Republic of Tatarstan, a complex of heavy industry enterprises related to mechanical engineering and tool making is developed Their activity is associated with the use of heavy and other metals, which become a source of environmental pollution and are highly toxic [1, 2]. Tests on various living organisms are used to assess the toxicity of natural waters, industrial waste, soil, feed and other environmental objects, as well as new chemicals and internal environments of humans and animals In this regard, there is an objective need for the development and application of indirect methods to establish the presence of biologically hazardous chemicals in a reservoir based on observations and experiments with ‘living. Studies aimed at the use of various biotest systems, as well as the analysis of microbial communities of treatment facilities in order to bioindicate the process of purification of chemically contaminated wastewater are relevant [1]
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