ECOTOXICITY PROPERTIES OF COPPER-ZINC GALVANIC WASTES
Journal Title: Вестник Харьковского национального автомобильно-дорожного университета - Year 2018, Vol 80, Issue
Abstract
The problem of elimination of galvanic sludge is one of the most pressing environmental problems of industrial enterprises, which have galvanic processes in their technological cycle. Goal. Due to the high density of waste placement on industrial sites and location on large areas of the urban area they can be estimated as a source of high technogenic impact on the components of the environment. Methodolo-gy. To establish the peculiarities of copper and zinc migration in soils contaminated with copper-zinc galvanizing and to determine their impact on the indicators of active growth and development of test plants in order to solve some of the above problems, the purpose of the research was defined. Results. In the work the method of biotesting, allowing to conduct research of behavior of test objects on action of polluting substances, was used. The specific features of the migration of copper and zinc in various types of soils under contamination with galvanic slime in laboratory conditions was investigated. Experi-mental data on the effect of heavy metals contained in technogenically contaminated soils on plant ob-jects under controlled conditions were presented. The comparative analysis of the germination, growth and development indices of test-plant seeds with values exceeding the maximum permissible concentration in soils (MPC) for copper and zinc in all tested soils was carried out. Originality. The joint effect of copper and zinc is manifested both in inhibition and stimulation of growth processes of lettuce and is determined, first of all, by the level and nature of the contamination, the soil properties and the biological specificity of the test plant. Practical value. Scientifically grounded data in the paper are of interest from the point of view of methods for biotesting contamination of environmental objects due to the openness and topicality of this issue at the present stage of the development of ecology was presented. By the obtained results the necessity of conducting agro-ecological monitoring in order to prevent possible negative consequences of an-thropogenic activity on the environment was confirmed.
Authors and Affiliations
V. Datsenko
Keywords
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