Abstract
The existing environmental problems resulting from the use and subsequent discharge of water by mining and metallurgical enterprises are analyzed. The relevance of developing methods for an integrated assessment of water properties is presented, which will allow the study of not only physical-chemical, but also the biological parameters of water. Experimental studies of water samples are conducted based on the method of gas-discharge radiation. The existing methods for extracting informative features of gas-discharge radiation images of liquid-phase objects are analyzed. Histograms of gas-discharge radiation images of various types of water were constructed and studied. The expediency of dividing images into separate fragments, characterized by common texture features, is shown. The analysis of texture features is carried out based on the use of the Fourier transform. Using the Fourier transform for the corresponding luminance vectors, the spectra have been obtained of the spatial distribution of the frequencies of brightness changes, which are used as texture features to identify the specific characteristics of the gas-discharge tracks formation. It has been determined that the developed method of water analysis allows assessing its biological properties, which is based on the values of the spatial frequency range. The advantage of the proposed method over the existing ones is the possibility of quantitative assessment in the form of numerical values of the covered range of spatial frequencies. The proposed method of studying the biological properties of water can be used as part of modern environmental monitoring systems.
Highlights
In regions with the developed mining sector, issues associated with pollution of the hydrosphere constantly arise
The water of the mining and metallurgical complex used during the technological process is mainly discharged into natural water bodies after treatment operations, which leads to a significant deterioration of the hydrosphere
When discharging mine water into natural water bodies, it is necessary to carry out water treatment, as well as to control the properties of water used in the industry that enters natural water bodies
Summary
In regions with the developed mining sector, issues associated with pollution of the hydrosphere constantly arise This is due to the fact that the technological operations while extracting various minerals are accompanied by the use and subsequent discharge of water from the quarry, mine, or drainage to the surface. The water of the mining and metallurgical complex used during the technological process is mainly discharged into natural water bodies after treatment operations, which leads to a significant deterioration of the hydrosphere. The analysis of existing methods for assessing the physical-chemical and biological properties of sewage mine water shows the relevance and prospects of developing new approaches to the synthesis of methods for the comprehensive study of water properties that can be used as part of modern systems for organizing environmental monitoring in regions with mining enterprises of metallurgical complex
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