Scholarly record
STUDY ON THE INFLUENCE OF THE ENERGY INDUSTRY ON THE LEVEL OF POLLUTION OF WASTEWATER IN ROMANIA
Abstract
This research aims to conduct a detailed analysis of the necessity for generating electrical energy using conventional methods, simultaneously assessing the impact on water quality. Wastewater, originating from fluids used in industrial processes or households, contains various impurities and is discharged into the natural aquatic environment (such as rivers, lakes, or the Black Sea) or onto various lands, either with or without prior treatment. The production and utilization of primary energy raw materials, such as coal, oil, natural gas, firewood, or the generation of energy through hydroelectric, nuclear, and unconventional sources, entail the need for water in associated technological processes. Consequently, wastewater becomes a potential source of pollution, even when subjected to treatment in a purification station or a complex of facilities developed or adapted to reduce pollutant concentrations. This investigation was initiated with the objective of identifying the categories and methods of energy production that generate significant quantities of pollutants. The identification of a statistical correlation (Pearson coefficient) between primary fuels used in energy generation and the level of pollution in industrial waters suggests the imperative need to restrict or eliminate certain fuel sources in favor of environmental protection, as part of an effort to promote sustainable development. The analysis was conducted over a period spanning from 2006 to 2022, encompassing the evaluation of various fuels, including coal, lignite, and others, which generate pollutants such as nitrogen, phosphorus, arsenic, mercury, etc. The information utilized in this analysis was sourced from official channels, specifically from the National Institute of Statistics in Romania.
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Abdelwaheb, M., Nedeff, V., Dridi-Dhaouadi, S., Mosnegutu, E., Barsan, N., & Chitimus, A. D., Assessment of cadmium and copper adsorption by two agricultural soils from Romania and Tunisia: Risk of Water Resource Pollution, Processes, 10(9), 2022, DOI: 10.3390/pr10091802
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