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Journal articles on the topic 'Discharges of pollutants'

Author: Grafiati

Published: 30 May 2022

Last updated: 31 July 2025

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1

Di, Zhenzhen, Miao Chang, Peikun Guo, Yang Li, and Yin Chang. "Using Real-Time Data and Unsupervised Machine Learning Techniques to Study Large-Scale Spatio–Temporal Characteristics of Wastewater Discharges and their Influence on Surface Water Quality in the Yangtze River Basin." Water 11, no. 6 (2019): 1268. http://dx.doi.org/10.3390/w11061268.

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Most worldwide industrial wastewater, including in China, is still directly discharged to aquatic environments without adequate treatment. Because of a lack of data and few methods, the relationships between pollutants discharged in wastewater and those in surface water have not been fully revealed and unsupervised machine learning techniques, such as clustering algorithms, have been neglected in related research fields. In this study, real-time monitoring data for chemical oxygen demand (COD), ammonia nitrogen (NH3-N), pH, and dissolved oxygen in the wastewater discharged from 2213 factories

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2

Norrström, Hans A. "Reducing the Discharges to Water – Technical Objectives." Water Science and Technology 20, no. 1 (1988): 9–18. http://dx.doi.org/10.2166/wst.1988.0003.

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The main technical objective in reducing the discharges to water is to implement technology to maintain a desired level of priority pollutants. Several investigations indicate that the priority pollutants may be found in the chlorinated material discharged from the bleach plant. Based on this assumption the state of art of production and abatement technology will be reviewed. Oxygen bleaching is in most cases the most efficient first step to reduce the discharge of chlorinated material. With appropriate process design and control the discharge of chlorinated material will be 3-4 kg/tonne (as T

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3

Roesner, Larry A., and Paul Traina. "Overview of Federal Law and USEPA Regulations for Urban Runoff." Water Science and Technology 29, no. 1-2 (1994): 445–54. http://dx.doi.org/10.2166/wst.1994.0693.

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Within the last three years, the United States Environmental Protection Agency (USEPA) has taken two significant steps with respect to regulating the quality of storm water discharges from urban areas. The first of these is the development of Final Rules and Regulations for Storm Water Discharges from urban areas with separated waste water and storm drainage systems. Published in late 1990, the rule requires all municipalities with populations over 100,000 to apply for a permit to discharge storm water under the USEPA's National Pollutant Discharge Elimination System (NPDES). The permit applic

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4

Barbosa, Ana Estela, and João Nuno Fernandes. "Review of tools for road runoff quality prediction and application to European roads." Water Science and Technology 84, no. 9 (2021): 2228–41. http://dx.doi.org/10.2166/wst.2021.427.

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Abstract Pollutants discharged by roads may impact water bodies and soils. The best method to characterise road runoff is by monitoring, which is not always possible due to human or material constraints. Therefore, prediction tools can be a valuable method to manage road runoff discharges and protect the environment. The present work reviewed and evaluated international tools for road runoff quality prediction, in order to assess if an existing tool could be suitable for wide usage by stakeholders in Europe. Four tools from the USA and Europe were selected and tested at 22 road sites located i

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Uberman, V., and L. Vaskovets. "LEGAL FEATURES OF BASIN-WIDE REGULATION OF POLLUTANTS DISCHARGES INTO SURFACE WATERS." National Technical University of Ukraine Journal. Political science. Sociology. Law, no. 4(56) (December 21, 2022): 62–70. http://dx.doi.org/10.20535/2308-5053.2022.4(56).269618.

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The article examines the environmental and legal mechanism of the Ukrainian limitation regulation of pollutant discharges (RPD) into water bodies (WB). The central methodological link of RPD is the «Basin principle of determination of standards of maximum allowable pollutant discharge» (BPDSMAPD). This principle introduced by outdated regulatory & legal and regulatory & technical acts of last century. This basin principle (BP) based on the use of the assimilative possibility (AP) of WB for the environmental & economic purposes of reducing the harmfulness of hazardous substances dis

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6

Li, Zheng, Wenchao Xue, Ekbordin Winijkul, and Sangam Shrestha. "Spatio-Temporal Dynamics of Non-Point Source Pollution in Jiulong River Basin (China) Using the Soil & Water Assessment Tool Model in Combination with the GeoSOS-FLUS Model." Water 15, no. 15 (2023): 2763. http://dx.doi.org/10.3390/w15152763.

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Water pollution, particularly non-point source pollution, poses a significant environmental challenge in river basins around the world. This complex and dynamic process is influenced by both human activities and natural processes. In this study, a quantitative analysis of ammonia-N and total phosphorus (TP) levels in the North Stream of the Jiulong River basin, China from 2010 to 2018 was conducted using the Soil & Water Assessment Tool (SWAT) model. The model was able to facilitate the simulation of spatio-temporal dynamics of concerned pollutants. Additionally, the GeoSOS-FLUS model was

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7

Lu, Chenyu, Xianglong Tang, Wei Liu, and Ping Huang. "Effects of Industrial Structure Adjustment on Pollutants Discharged to the Aquatic Environment in Northwest China." International Journal of Environmental Research and Public Health 19, no. 10 (2022): 6146. http://dx.doi.org/10.3390/ijerph19106146.

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Northwest China is located along China’s Belt and Road Initiative routes and represents the frontier and core region for China’s construction and development of the Silk Road Economic Belt. In recent years, the conflict between economic development and environmental pollution has become increasingly intense in this region, with the latter mainly caused by disorderly industrialization brought about by rapid urbanization processes. Inappropriate industrial structure is the primary reason for environmental degradation in Northwest China, which has limited precipitation and available water. Due to

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8

Cortes Zambrano, Melquisedec, Mónica Yineth Lara-Pérez, and Iván Darío Acosta-Sabogal. "Urban Drainage Water Quality Modeling on the SWMM Software, Northeastern Sector, Santa Inés District, Tunja." Tecnura 26, no. 72 (2022): 167–84. http://dx.doi.org/10.14483/22487638.17575.

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Objective: This research aimed to design a drainage quality hydrodynamic model of the northeastern sector of Tunja (Santa Inés neighborhood), Boyacá, Colombia, which was validated and calibrated by means of the mean square error method, where a comparison between the values observed in the field and the simulation results in the model was determined in order to observe and analyze the effect of precipitation on pollutants before entering the treatment plant. Methodology: For this study, rainfall and water flow equipment were installed in the district. A validated and calibrated urban drainage

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9

Li, Bin, Ji Fu Yang, Yun Zhou, and Jun Min Chen. "Analysis of Discharge Characteristics of Typical Rural Domestic Wastewater along the Tuojiang River." Advanced Materials Research 1073-1076 (December 2014): 545–53. http://dx.doi.org/10.4028/www.scientific.net/amr.1073-1076.545.

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Environmental pollution caused by rural domestic wastewater has become increasingly serious. However, data on the current characteristics of rural domestic wastewater are scarce. In this study, we selected typical villages along the Tuojiang River as study objects. We analyzed the pollution status and discharge characteristics of rural domestic wastewater along the Tuojiang River through field research in winter and summer. Data analysis and collection, as well as water monitoring, were performed to determine the water quality and quantity characteristics of the rural domestic wastewater. The

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10

David, L. M., and R. S. Matos. "Wet weather water quality modelling of a Portuguese urban catchment: difficulties and benefits." Water Science and Technology 45, no. 3 (2002): 131–40. http://dx.doi.org/10.2166/wst.2002.0071.

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This paper discusses the use of water quality deterministic modelling together with an integrated approach to assess the impact of urban stormwater discharges into ephemeral watercourses, based on the study of a Portuguese catchment. The description of the main aspects, difficulties and benefits found during data collection and model calibration and verification is presented, and the associated uncertainties and errors discussed. Experimental results showed a strong short- and long-term impact of sewer discharges on rivers, and confirmed deposition, resuspension and transport of pollutants as

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11

Franzaring, Jürgen. "Discharge and Water Quality of the River Moselle from 1990 to 2020 as Related to Climatic Changes and De-Industrialization." Water 14, no. 22 (2022): 3600. http://dx.doi.org/10.3390/w14223600.

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Reductions in industrial pollutant loads and the introduction and modernization of wastewater treatment facilities have improved the quality of inland waters in Europe and elsewhere, but climatic change, changes in runoff and the legacy of mine wastes may increase pressures on many aquatic environments. In the present study, data obtained by monitoring the French–German river are collated to visualize long-term trends in the pollution, river discharges and temperatures of Moselle waters. While air temperatures and accumulated heat sums in the catchment area showed an upward trend, precipitatio

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12

Bansal, Neelam, and Shamsher S. Kanwar. "Peroxidase(s) in Environment Protection." Scientific World Journal 2013 (2013): 1–9. http://dx.doi.org/10.1155/2013/714639.

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Industrial discharges of untreated effluents into water bodies and emissions into air have deteriorated the quality of water and air, respectively. The huge amount of pollutants derived from industrial activities represents a threat for the environment and ecologic equilibrium. Phenols and halogenated phenols, polycyclic aromatic hydrocarbons (PAH), endocrine disruptive chemicals (EDC), pesticides, dioxins, polychlorinated biphenyls (PCB), industrial dyes, and other xenobiotics are among the most important pollutants. Peroxidases are enzymes that are able to transform a variety of compounds fo

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13

Chachuła, Krystian, Tomasz Michał Słojewski, and Robert Nowak. "Multisensor Data Fusion for Localization of Pollution Sources in Wastewater Networks." Sensors 22, no. 1 (2022): 387. http://dx.doi.org/10.3390/s22010387.

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Illegal discharges of pollutants into sewage networks are a growing problem in large European cities. Such events often require restarting wastewater treatment plants, which cost up to a hundred thousand Euros. A system for localization and quantification of pollutants in utility networks could discourage such behavior and indicate a culprit if it happens. We propose an enhanced algorithm for multisensor data fusion for the detection, localization, and quantification of pollutants in wastewater networks. The algorithm processes data from multiple heterogeneous sensors in real-time, producing c

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14

Shalikovsky, Andrey V., and Konstantin A. Kurganovich. "Analysis of Approaches to the Distribution of Pollutant Discharge Limits between Sources of Negative Impact on Water Bodies." Transbaikal State University Journal 29, no. 1 (2023): 31–43. http://dx.doi.org/10.21209/2227-9245-2023-29-1-31-43.

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Relevance. In the development of mineral deposits, an important factor affecting the volume of water inflow in the development and complicating mining operations is the water cut of the deposits. Technogenic waters formed during drainage and diversion of water during mining are discharged into rivers, which leads to the degradation of ecosystems and the deterioration of the quality of water resources. Therefore, it is important to take measures to limit the impact of wastewater discharges on rivers and minimize their negative impact on the environment. The Water Code of the Russian Federation

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Vaskovetz, L. A., and V. I. Uberman. "Compliance of regulation of discharges of pollutants into surface waters with Ukrainian legislative requirements." Uzhhorod National University Herald. Series: Law 2, no. 87 (2025): 246–54. https://doi.org/10.24144/2307-3322.2025.87.2.37.

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The article examines the compliance of the Ukrainian legal mechanism for regulating the discharge of pollutants (RDP) into surface waters with the legislation, which is caused by the accelerated approximation to European law requirements. Ukraine’s transition in 2024-2025 to European legislative methods of combating environmental pollution, namely the adoption of the Law of Ukraine «On Integrated Prevention and Control of Industrial Pollution», the approval of Ukrainian river basin management plans and the creation of a system for classifying the ecological and the chemical states of surface w

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16

Ye, Lin, Nirmala N. Khandan, and Findlay G. Edwards. "Biological treatment of airstreams contaminated with organic vapors." Water Science and Technology 30, no. 7 (1994): 71–74. http://dx.doi.org/10.2166/wst.1994.0311.

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Increases in regulatory control of discharges of organic vapors require improvement of traditional methods of removal and treatment of organic vapors from airstreams. The traditional methods of removal, various forms of adsorption, only change the phase of the pollutants. Subsequent treatment of the pollutants has proven to be energy intensive and therefore expensive. Biological treatment of organics has proven to be inexpensive but requires that the organics be in dissolved form, in the liquid phase, and at a concentration above a minimum concentration. Adsorption of organics in the gas phase

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17

Nagaycev, Il'ya, and Tat'yana Petrova. "THE IMPACT OF CHANGES IN THE PRODUCTION PROCESS ENVIRONMENTAL CONTROL FOR REGULATORY THE BASE OF ECOLOGICAL AND ECONOMIC CALCULATIONS." Actual directions of scientific researches of the XXI century: theory and practice 11, no. 3 (2023): 82–93. http://dx.doi.org/10.34220/2308-8877-2023-11-3-82-93.

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The paper provides an overview of the current state of industrial environmental control of emissions and discharges of polluting substances of enterprises that have a negative impact on the environment. Conclusions are drawn about the shortcomings of the existing environmental control system. Changes in environmental legislation with regard to permits and automation of control over emissions and discharges of pollutants by nature users are considered. Enterprises need to receive new environmental documentation within the deadlines set by the Government, in place of previously disparate environ

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18

Schlütter, F., and O. Mark. "Dynamic modelling of pollutants from CSOs." Water Science and Technology 47, no. 4 (2003): 149–56. http://dx.doi.org/10.2166/wst.2003.0242.

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In a number of industrialised countries there is an effort made to reduce pollutant discharges from combined sewer overflows. After establishing proper treatment plants the CSO discharges are contributing with a higher percentage of the total pollutant load on the receiving waters. The acknowledgement of this issue has made the authorities in some countries issue requirements for maximum allowed pollutant loads and water quality from individual CSOs. However, in order to make standards for CSO emissions knowledge about the current state is needed and subsequently others needs to be able to doc

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19

Olivotti, R., J. Faganeli, and A. Malej. "Impact of ‘Organic' Pollutants on Coastal Waters, Gulf of Trieste." Water Science and Technology 18, no. 9 (1986): 57–68. http://dx.doi.org/10.2166/wst.1986.0078.

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The main sources of potential ‘organic' pollutants (essentially pathogens, nutrients, floatables, suspended solids and detergents) discharged to the Gulf of Trieste by sewers and rivers are briefly reviewed; about 470,000 people live in the coastal area, and nearly 400,000 of them discharge sewage effluents to the Gulf. This brief review is followed by an evaluation of the impact of such discharges on the quality of marine waters, with reference to the impairment of uses such as bathing and shellfish cultivation. The sanitary and aesthetic aspects of faecal pollution which typically affect coa

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20

Vukolova, A., A. Dolgikh, and A. Rusinkevich. "REGULATION STANDARDS FOR PERMISSIBLE DISCHARGES OF A FEW RADIONUCLIDES MIXTURE INTO ATMOSPHERIC AIR UNDER NPP NORMAL OPERATION." PROBLEMS OF ATOMIC SCIENCE AND TECHNOLOGY. SERIES: NUCLEAR AND REACTOR CONSTANTS 2020, no. 1 (2020): 94–101. http://dx.doi.org/10.55176/2414-1038-2020-1-94-101.

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The article is focused on the description of the existing order for regulations of standards for permissible and maximum permissible discharges of radioactive pollutants into atmospheric air and (on) discussion of an alternative method for regulations of standards for permissible and maximum permissible discharges, basing on establishment of these standards for a mixture of radioactive materials and not for every radionuclide individually. This method is based on using the radionuclide vector concept and allows to significantly facilitate arrangements of radiation monitoring, to abandon spectr

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21

Ostoich, Marco, Marco Carcereri, and Jvan Barbaro. "River sediments’ monitoring: impact of tannery discharges." Management of Environmental Quality: An International Journal 25, no. 4 (2014): 379–406. http://dx.doi.org/10.1108/meq-11-2012-0069.

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Purpose – The tannery industry impacts strongly on water bodies due to the presence of chemical substances, such as chlorides, sulphates, chromium and other pollutants. This study has been carried out with a view to enhance the environmental compatibility of the Arzignano tannery district (northern Italy) which is the largest in Italy, by improving the quality of the Fratta-Gorzone River. Sediment quality, according to the driving forces-pressure-state-impact-response (DPSIR) scheme, has been developed as a significant impact indicator to be applied at basin level. The purpose of this paper is

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22

Mourad, M., J. L. Bertrand-Krajewski, and G. Chebbo. "Sensitivity to experimental data of pollutant site mean concentration in stormwater runoff." Water Science and Technology 51, no. 2 (2005): 155–62. http://dx.doi.org/10.2166/wst.2005.0043.

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Urban wet weather discharges are known to be a great source of pollutants for receiving waters, which protection requires the estimation of long-term discharged pollutant loads. Pollutant loads can be estimated by multiplying a site mean concentration (SMC) by the total runoff volume during a given period of time. The estimation of the SMC value as a weighted mean value with event runoff volumes as weights is affected by uncertainties due to the variability of event mean concentrations and to the number of events used. This study carried out on 13 catchments gives orders of magnitude of these

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23

Holeton, Claire, Patricia A. Chambers, and Laura Grace. "Wastewater release and its impacts on Canadian waters." Canadian Journal of Fisheries and Aquatic Sciences 68, no. 10 (2011): 1836–59. http://dx.doi.org/10.1139/f2011-096.

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Discharge of sewage to the environment in the form of treated or untreated wastewater can have serious impacts on human health and quality of life and on ecosystem condition. Since a previous review in 1997, upgrades to wastewater treatment facilities, along with improved source control, have produced successes in reducing loadings of certain pollutants (e.g., mercury, polychlorinated biphenyls) to Canadian waters. However, nationally, loads of phosphorus discharged from wastewater treatment facilities have not changed in recent years (2003–2008), and releases of nitrogen have increased slight

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Ayodeji Abatan, Alexander Obaigbena, Ejike David Ugwuanyi, et al. "INTEGRATED SIMULATION FRAMEWORKS FOR ASSESSING THE ENVIRONMENTAL IMPACT OF CHEMICAL POLLUTANTS IN AQUATIC SYSTEMS." Engineering Science & Technology Journal 5, no. 2 (2024): 543–54. http://dx.doi.org/10.51594/estj.v5i2.831.

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The environmental integrity of aquatic ecosystems is increasingly threatened by the discharge of chemical pollutants, posing significant risks to biodiversity and human health. Addressing these concerns requires a comprehensive understanding of pollutant dynamics, transport mechanisms, and their ecological consequences. Integrated simulation frameworks have emerged as powerful tools for assessing the environmental impact of chemical pollutants in aquatic systems. This review explores the key components and applications of such frameworks, highlighting their role in informing environmental mana

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Епифанова, М. А., А. В. Епифанов, and Э. Л. Аким. "Calculation of the negative impact on water bodies from the pulp and paper mill based on mathematical modelling of pollutant flow." Известия СПбЛТА, no. 238 (March 11, 2022): 254–66. http://dx.doi.org/10.21266/2079-4304.2022.238.254-266.

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Современная система нормирования нагрузки на водные объекты состоит из трех основных элементов: расчета технологических нормативов по маркерным для отрасли веществам; расчета нормативов допустимых сбросов для веществ 1 и 2 классов опасности; сравнения рассчитанных нормативов допустимых сбросов с установленными на основе решения государственной экологической экспертизы нормативами допустимых воздействий для водохозяйственых участков. Приведенные в методике расчета нормативов допустимых сбросов формулы имеют ограниченный диапазон применения. Предложен алгоритм расчета конвективно-диффузионного п

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Lindstrom, K. P., and Adriana Renescu. "Pollution prevention: a winning strategy for the protection of the environment." Water Science and Technology 30, no. 5 (1994): 195–202. http://dx.doi.org/10.2166/wst.1994.0238.

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This case study presents the development and implementation of the County Sanitation Districts of Orange County (Districts) Pollution Prevention Program (P3) aimed at reducing the environmental release of pollutants. The P3 has been integrated in the Districts' environmental management program and incorporates the goals of the Districts' 30-year Master Plan called 2020 Vision. The Districts take a multi-media approach to environmental protection giving equal importance to emissions to air, water or the land. The Districts' P3 efforts, applied in combination with an aggressive Source Control Pr

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Al-Shami, Alaa, Najmiddin Al-Ani, and Thana Kamil Al-Shalchi. "EVALUATION OF ENVIRONMENTAL IMPACT OF TIGRIS RIVER POLLUTION (BETWEEN JADIRRIYA AND DORA BRIDGES)." Journal of Engineering 12, no. 03 (2006): 844–61. http://dx.doi.org/10.31026/j.eng.2006.03.29.

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Al-Saidiya PN pumping station raw sewage discharges forms the major pollution source to Tigris river between Al-Jadirriya and Al-Dora bridges, its main importance comes from its location upstream to Al-Dora water treatment plant. In an attempt to evaluate the environmental effects on water quality within the river reach under study, special emphasis was put on evaluating the environmental impact of Al-Saidiya (PN) pumping station wastewater discharges on downstream intakes of water supply, using parameters Oil & Grease, DO, BOD and Coliform & Feacal coliform, in addition to SO4, Cl &am

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Uberman, V. I., and D. I. Fokin. "EXCESS DISCHARGES OF POLLUTANTS: THE PROBLEMS IN THE METHODS OF DETERMINING THE DAMAGE." Theory and Practice of Forensic Science and Criminalistics 15 (November 30, 2016): 283–91. http://dx.doi.org/10.32353/khrife.2015.34.

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The article deals with environmental law peculiarities with excess discharges of pollutants (EDP) within the system of the state regulation of water use. It presents the basic theoretical provisions for a comprehensive methods of a forensic engineer, environmental and economic examination of damages incurred by the state as the result of excess discharges ofpollutants into water bodies. This methods solves the following tasks: confirms the facts of EDP registered by the bodies of Ukrainian State Environmental Inspection (USEI) and determines the properties of these EDPs; confirms the initial d

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Gosset, Antoine, Claude Durrieu, Frédéric Orias, Rémy Bayard, and Yves Perrodin. "Identification and assessment of ecotoxicological hazards attributable to pollutants in urban wet weather discharges." Environmental Science: Processes & Impacts 19, no. 9 (2017): 1150–68. http://dx.doi.org/10.1039/c7em00159b.

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Welker, A. "Occurrence and fate of organic pollutants in combined sewer systems and possible impacts on receiving waters." Water Science and Technology 56, no. 10 (2007): 141–48. http://dx.doi.org/10.2166/wst.2007.755.

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Selected organic pollutants are classified based on an intensive literature survey. Two wastewater parameters (COD and ammonium) and six selected organic pollutants (polycyclic aromatic hydrocarbons (PAH), diethylhexylphthalate (DEHP), estradiol (E2), ethinylestradiol (EE2), ethylenediamine tetraacetic acid (EDTA) and nitrilo triaceticacid (NTA)) are specified. As a result, for the first time representative concentrations in dry weather flow, surface runoff and effluent of wastewater treatment plants (WWTPs) in combined sewer systems (CSS) are stated. The second part of the paper presents a fi

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Jirka, G. H., R. L. Doneker, and T. O. Barnwell. "Cormix: An Expert System for Mixing Zone Analysis." Water Science and Technology 24, no. 6 (1991): 267–74. http://dx.doi.org/10.2166/wst.1991.0165.

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United States water quality policy includes the concept of a mixing zone, a limited area where initial dilution of a discharge occurs. Current practice in mixing zone analysis is plagued by a number of problems --mixing zone definitions vary widely; there is a diversity of discharge and site conditions; existing models focus on near-field mixing while legal definitions extend to greater distances; and there are a large number of permitting applications needing review. The Cornell Mixing Zone Expert System (CORMIX) is a series of software elements for analysis and design of submerged buoyant or

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Zairi, Souad, Boumediene Meddah, Miloud Slimani, and Asmaa Rahmani. "Assessment of the environmental impact of urban wastewater and the treatment capacity of the Saida activated sludge plant (North-western Algeria) on the occasion of Eid Al-Adha." Vojnotehnicki glasnik 73, no. 2 (2025): 575–604. https://doi.org/10.5937/vojtehg73-55420.

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Introduction/purpose: The slaughter of livestock during Eid Al-Adha generates significant quantities of wastewater rich in organic pollutants. However, the specific impact of these effluents on water quality remains poorly documented. This study aimed to assess the pollutant loads discharged into the Saida Valley during Eid Al-Adha and evaluate the treatment capacity of the local activated sludge wastewater treatment plant (WWTP). Methods: Water samples were collected from different points in the sewerage system at various times throughout the day during three Eid Al-Adha events (2017, 2018, a

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Balaam, Jan L., Yin Chan-Man, Paul H. Roberts, and Kevin V. Thomas. "IDENTIFICATION OF NONREGULATED POLLUTANTS IN NORTH SEA–PRODUCED WATER DISCHARGES." Environmental Toxicology and Chemistry 28, no. 6 (2009): 1159. http://dx.doi.org/10.1897/08-488.1.

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Jeon, Sunyoung, Dogun Kim, and Seokoh Ko. "Effects of Drainage Control on Non-Point Source Pollutant Loads in the Discharges from Rice Paddy Fields." Water 17, no. 11 (2025): 1650. https://doi.org/10.3390/w17111650.

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Non-point source (NPS) pollution from agriculture accounts for more than 20% of the total pollution load in the Republic of Korea, with the highest nutrient balance among OECD countries. Rice paddy fields are among the most important NPSs because of their large area, intensive fertilizer use, intensive use of irrigation water, and subsequent drainage. Therefore, the use of controlled drainage in paddy fields (Test) was evaluated for reduction in the discharged volumes and pollutant loads in drainage and stormwater runoff in comparison to plots using traditional drainages (Control). The results

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Zhang, Haiou. "Investigation and Analysis of Pollution Source Status in Shaanxi Section of Weihe River Basin." Highlights in Science, Engineering and Technology 25 (December 13, 2022): 356–61. http://dx.doi.org/10.54097/hset.v25i.3537.

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Building ecological civilization has become a consensus of the whole society. However, problems caused by water pollution and shortage of water resources cause huge economic losses every year. Over the years, the issue of water pollution in the Weihe River has attracted widespread attention from all walks of life. The premise of controlling the water pollution of the Weihe River is to find out the sources of pollution and the amount of pollutants discharged. Therefore, this study takes the Shaanxi section of the Weihe River Basin as the research section, and conducts a basic survey of the wate

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Nadzirah, Z., H. Nor Haslina, and H. Rafidah. "Removal of Important Parameter from Car Wash Wastewater - A Review." Applied Mechanics and Materials 773-774 (July 2015): 1153–57. http://dx.doi.org/10.4028/www.scientific.net/amm.773-774.1153.

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Abstract. Huge quantity of water consumed per car and the various chemical agents used in car wash activities discharged the untreated effluents into stormwater system and eventually ending up in our lakes, rivers and oceans [1]. The accumulated sediments from vehicle wash contain contaminants that reach concentrations where the sludge is considered as a controlled or hazardous waste including of metals, elevated levels of oil and grease, and the unacceptable levels of acidity or alkalinity [2]. This paper provides a comprehensive review of car wash wastewater data analyzes regarding the waste

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Zair, Fida, Mhamed Mouqallid, and El houssine Chatri. "The effect of straight chimney temperature on pollutant dispersion." E3S Web of Conferences 234 (2021): 00009. http://dx.doi.org/10.1051/e3sconf/202123400009.

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Air pollution is considered one of the most important contemporary problems that threaten a person's life and environment. Among the major sources of air pollution are pollutants emitted from smokestacks. The objective of this work is to numerically study the dispersion of a pollutant ejected from a chimney into an air stream. The mass, momentum and energy conservation equations are solved using the finite volume method (MFV) and numerical simulations are performed using Ansys Fluent CFD software. Two case studies were discussed: The first case study is to study the influence of the direction

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Alija, Avdulla J., Nikolaus Bresgen, Ekramije Bojaxhi, Margit Krenn, Ismet D. Bajraktari, and Peter M. Eckl. "River pollution in the Kosovo: Cyto- and genotoxic effects of water samples in the primary rat hepatocyte assay." Toxicology and Industrial Health 34, no. 8 (2018): 563–70. http://dx.doi.org/10.1177/0748233718773027.

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The actual stage of the development of Kosovo is characterized by the concerning levels of environmental pollution and the serious health problems attributed to the emission of pollutants into air, soil and water. In this context, river pollution is one of the main threats due to the discharge of untreated urban and industrial waste waters that affect the quality of surface and ground water. In addition, urban and agricultural discharges are affecting the river water quality. In this article, we are presenting data on the cyto- and genotoxic potential of water samples from three rivers (Sitnic

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Uberman, V. I., and L. A. Vaskovets. "Legal features of the joint regulation of pollutants discharge." Uzhhorod National University Herald. Series: Law 1, no. 80 (2024): 391–97. http://dx.doi.org/10.24144/2307-3322.2023.80.1.58.

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The environmental and legal sub-institute for the regulation of pollutants discharge (RPD) from man- made point sources into the surface waters of Ukraine and its main tool - the Basin Principle for Calculating the Maximum Permissible Discharges (BPCMPD) is studied. The purpose of the article is to identify the legislative possibilities of the current Ukrainian RPD, the features of its possible use in river basin management plans (RBMP), and to assess of the legal consequences of such use. The relevance of the research is determined by documents of the state environmental policy, strategies of

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Gromaire, M. C., M. Kafi-Benyahia, J. Gasperi, M. Saad, R. Moilleron, and G. Chebbo. "Settling velocity of particulate pollutants from combined sewer wet weather discharges." Water Science and Technology 58, no. 12 (2008): 2453–65. http://dx.doi.org/10.2166/wst.2008.835.

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Settling velocities of TSS and of particulate pollutants (COP, PDCO, PTKN, PCu, PPb, PZn, PPAH) measured on a wide range of wet weather flow (WWF) samples collected at different levels of the Parisian combined sewer system are reported. The recorded V30 (0.01 to 0.1 mm.s-1) and V50 (0.09 to 0.6 mm.s−1) values exceed by a factor 10 those of dry weather sewage and also exceed the values measured for pavement runoff. These values lie however often below the 0.28 mm.s−1 reference value considered in France for the design of WWF settling facilities. A decrease in settleability is observed between a

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Vu, Giang Ha, My Nguyen, Anh Nguyen, and Huong Tran. "MATERIAL FLOW ANALYSIS (MFA) AND ENERGY BALANCE ANALYSIS (EBA) AS TECHNICAL TOOLS FOR WASTEWATER POLLUTION CONTROL IN TEXTILE AND DYEING INDUSTRY – A CASE STUDY." Vietnam Journal of Science and Technology 58, no. 3A (2020): 161. http://dx.doi.org/10.15625/2525-2518/58/3a/14356.

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The textile and dyeing industry consumes a large amount of water and discharges to the environment many pollutants including dyestuffs, auxiliaries, others. In this study, a selected textile and dyeing company was representing modern factory in Vietnam. Using STAN software, the authors have quantified and analyzed the material flows of the production lines and of the main pollutants in wastewater. Comparing with “business as usual” scenario, a new scenario with treatment and reuse of wastewater has been introduced. The discharge volume of wastewater from company was about 3,608.96 m3/day (or 1

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Kuzyk, Ihor, and Yuriy Melnik. "WATER USE AS A FACTOR IN THE FORMATION OF ECOLOGICAL SAFETY OF THE NICHLAVA RIVER BASIN." SCIENTIFIC ISSUES OF TERNOPIL VOLODYMYR HNATIUK NATIONAL PEDAGOGICAL UNIVERSITY. SERIES: GEOGRAPHY 54, no. 1 (2023): 240–47. http://dx.doi.org/10.25128/2519-4577.23.1.26.

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The purpose of the article is to determine the level of pollution of the Nichlava River and the structure of water use in its basin from the point of view of forming the ecological security of the region. The following methods were used in the course of the study: evaluation, geoecological analysis, statistical, geoinformation, geochemical and cartographic. Ensuring the ecological safety of a small river basin directly depends on the hydroecological parameters of the river itself. Therefore, studying the pollution of the Nichlava River and the quality of its waters is an important and urgent s

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Busler, J., H. Wehn, and L. Woodhouse. "TRACKING VESSELS TO ILLEGAL POLLUTANT DISCHARGES USING MULTISOURCE VESSEL INFORMATION." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XL-7/W3 (April 30, 2015): 927–32. http://dx.doi.org/10.5194/isprsarchives-xl-7-w3-927-2015.

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Illegal discharge of bilge waters is a significant source of oil and other environmental pollutants in Canadian and international waters. Imaging satellites are commonly used to monitor large areas to detect oily discharges from vessels, off-shore platforms and other sources. While remotely sensed imagery provides a snap-shot picture useful for detecting a spill or the presence of vessels in the vicinity, it is difficult to directly associate a vessel to an observed spill unless the vessel is observed while the discharge is occurring. The situation then becomes more challenging with increased

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Lei, Hong Jun, Chang Jia Li, Xun Feng Xia, and Bei Dou Xi. "Decomposing the Influencing Factors of China’s Industrial Wastewater Discharges Using LMDI I Method." Advanced Materials Research 518-523 (May 2012): 2089–98. http://dx.doi.org/10.4028/www.scientific.net/amr.518-523.2089.

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China’s industry accounts for 46.8% of the national gross domestic product (GDP) and plays an important strategic role to its economic growth, but it is also the main water pollution sources. In order to identify the relationship between the underlying driving forces and various environmental indicators, two critical industrial wastewater pollutant discharges over 2001-2009, including Chemical Oxygen Demand (COD) and ammonia nitrogen (NH4-N), were decomposed into three factors, i.e., production effect (caused by change in the scale of economic activity), structural effect (caused by change in

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Bentzen, T. R. "3D modelling of transport, deposition and resuspension of highway deposited sediments in wet detention ponds." Water Science and Technology 62, no. 3 (2010): 736–42. http://dx.doi.org/10.2166/wst.2010.363.

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The paper presents results from an experimental and numerical study of flows and transport of primarily particle bound pollutants in highway wet detention ponds. The study presented here is part of a general investigation on road runoff and pollution in respect to wet detention ponds. The objective is to evaluate the quality of long term simulation based on historical rains series of the pollutant discharges from roads and highways. A three-dimensional hydrodynamic and mud transport model is used for the investigation. The transport model has been calibrated and validated on e.g. experiments i

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Muhamediyeva, Dilnoz, and Otabek Khujaev. "Modeling release and distribution of harmful substances in river." E3S Web of Conferences 401 (2023): 02021. http://dx.doi.org/10.1051/e3sconf/202340102021.

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The development and analysis of a computational algorithm for mathematical models of the release and spread of harmful substances is an important area of research that can help mitigate the impact of pollution on the environment and human health. Mathematical models of the distribution of harmful substances in the river are useful for predicting the spread of pollutants and identifying potential environmental and public health risks. The computational algorithm for the problem of diffusion of harmful substances can help researchers and policymakers to understand the mechanisms of pollutant dis

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Zaki, Najlae, Asmae Charki, Nouhaila Hadoudi, et al. "Coagulation-flocculation parameters for simultaneous removal of nitrates, nitrites, phosphates, and ammonium from wastewater: A mini review." E3S Web of Conferences 527 (2024): 03015. http://dx.doi.org/10.1051/e3sconf/202452703015.

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This mini review delves into the critical need to effectively eliminate nitrates, nitrites, phosphates, and ammonium from wastewater to mitigate environmental pollution and uphold water quality standards. Stemming from various human activities like agricultural runoff, industrial processes, and municipal discharges, these pollutants pose significant risks to both aquatic ecosystems and human health if left unaddressed. The study primarily focuses on the efficacy of coagulation-flocculation as a treatment method, which involves the addition of chemicals known as coagulants to destabilize the po

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Totewad, N. D., Biswaranjan Patra, and Suchita Warangkar. "CONVENTIONAL AND ADVANCED TECHNOLOGIES FOR BIOREMEDIATION OF WASTEWATER POLLUTANTS." International Journal of Advanced Research 10, no. 07 (2022): 372–84. http://dx.doi.org/10.21474/ijar01/15044.

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In recent years, industrial as well as municipal wastewater discharges have caused great damage to water resources. Water pollution not only brings about imbalance in the ecological environment, but directly also affects human health. Therefore, there is an urgent need for scientists to develop effective wastewater purify technology to solve these significant issues. It is an essential to control and prevent unsystematic discharge of wastewater into the environment.Few of the reported strategies such as adsorption, filtration, centrifugation, catalysis, biological treatment and electro-coalesc

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Zhao, Ying, Huige Sun, Jingrui Tang, et al. "Environmental Risk Assessment of the Harbin Section of the Songhua River Basin Based on Multi-Source Data Fusion." Water 15, no. 24 (2023): 4293. http://dx.doi.org/10.3390/w15244293.

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Surface water is a vital resource for human survival. However, economic and social development has resulted in significant pollutants from human activities, causing environmental pollution in watersheds. This pollution has had a profound impact on the surface water environment. However, limited studies have been conducted on the environmental risk evaluation of the watershed. In this study, we accounted for agricultural, industrial, and domestic source discharges in the districts and counties of the Harbin section of the Songhua River Basin for 2021. Data were collected from Statistical Yearbo

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Vovkodav, G. "Normization of discharges of pollutants into water objects on the example of Kirillovsky deposit." Balanced nature using, no. 2 (May 17, 2018): 82–86. http://dx.doi.org/10.33730/2310-4678.2.2018.276382.

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The estimation of influence and rate of discharge of pollutants entering the ChornyiTashlyk River during the discharge of the sewage of the Kirilivsky deposit during its work on the full (projected) power is presented.

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