ЕКОЛОГІЧНЕ НОРМУВАННЯ СКИДІВ СТІЧНИХ ВОД З УРАХУВАННЯМ КОМПЛЕКСНОГО ПОКАЗНИКА ЯКОСТІ ВОДИ ВОДОПРИЙМАЧІВ
Keywords:
лімітуюча ознака шкідливості, стічні води, забруднююча речовина, водний об'єкт, контрольний створAbstract
The article is devoted to the methodology for calculating the permissible concentrations of pollutants entering water bodies with wastewater. The case of using a complex indicator of water quality of a water body, which takes into account the limiting sign of harmfulness of pollutants, is considered. The task is proposed to be solved by finding a reduction factor that is uniform for all considered pollutants in the range from 0 to 1. In this case, the desired permissible concentration of substances in wastewater will be the product of the actual concentration (according to field measurements) by the found reduction factor. Two approaches to solving the problem are considered. The first approach assumes a linear dependence of the concentration of a substance on the reduction factor. Under the condition of a linear dependence for the case of complete dilution of wastewater with water of a water body, a formula is obtained to calculate the desired reduction factor. The second approach assumes the dependence of the degree of reduction in the concentration of each pollutant on the corresponding cost of wastewater treatment. In this case, it is proposed to use the power-law dependence of the concentration on the reduction factor. A demo example is given for three substances with a toxicological limiting sign of harmfulness: ammonium nitrogen,
nitrites and phosphates.
Downloads
Published
Issue
Section
License
Copyright (c) 2024 Science Visnyk of Construction
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.