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Journal articles on the topic 'Water quality with DBPs objectives'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

D'Alessio, Matteo, Bruce Dvorak, and Chittaranjan Ray. "Riverbank Filtration Impacts on Post Disinfection Water Quality in Small Systems—A Case Study from Auburn and Nebraska City, Nebraska." Water 10, no. 12 (2018): 1865. http://dx.doi.org/10.3390/w10121865.

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Small water systems can experience a fluctuating quality of water in the distribution system after disinfection. As chlorine is the most common disinfectant for small systems, the occurrence of disinfection byproducts (DBPs) represents a common problem for these systems. Riverbank filtration (RBF) can be a valuable solution for small communities located on riverbanks. The objectives of this study were to evaluate (i) the improvements in water quality at two selected RBF systems, and (ii) the potential lower concentrations of DBPs, in particular, trihalomethanes (THMs), in small systems that us

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2

Kearns, Joshua P., Kyle K. Shimabuku, Ryan B. Mahoney, Detlef R. U. Knappe, and R. Scott Summers. "Meeting multiple water quality objectives through treatment using locally generated char: improving organoleptic properties and removing synthetic organic contaminants and disinfection by-products." Journal of Water, Sanitation and Hygiene for Development 5, no. 3 (2015): 359–72. http://dx.doi.org/10.2166/washdev.2015.172.

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A variety of natural and anthropogenic contaminants can compromise the safety and esthetics of surface water collected for drinking and disinfected using chlorine by households in developing communities. While household chlorination is effective against most microbial pathogens, many users find the taste and odor of chlorine unacceptable and revert to drinking untreated water. Moreover, reactions between chlorine and the dissolved organic matter form harmful disinfection by-products (DBPs) such as trihalomethanes (THMs). Char adsorbers have been used to treat drinking water for thousands of ye

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3

Légaré-Julien, Félix, Olivier Lemay, Ulysse Vallée-Godbout, Christian Bouchard, and Caetano Dorea. "Laboratory Efficacy and Disinfection by-Product Formation of a Coagulant/Disinfectant Tablet for Point-of-Use Water Treatment." Water 10, no. 11 (2018): 1567. http://dx.doi.org/10.3390/w10111567.

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Coagulant/disinfection products (CDPs) are a point-of-use (POU) water treatment technique that can improve microbial quality, reduce turbidity, and produce a free chlorine residual (FCR), serving as a potentially effective option for decentralized water treatment in a variety of contexts, including humanitarian emergencies. A novel CDP with a sodium dichloroisocyanurate-based disinfectant was evaluated with regard to its laboratory water treatment efficacy and generation of disinfection byproducts (DBPs). The CDP water treatment performance was assessed relative to bacteriological (E. coli) hu

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4

Ryu, Hodon, Absar Alum, Morteza Abbaszadegan, Maria Alvarez, and Jose Mendoza. "An assessment of water quality and microbial risk in Rio Grande basin in the United States–Mexican border region." Journal of Water and Health 3, no. 2 (2005): 209–18. http://dx.doi.org/10.2166/wh.2005.0019.

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Increased reliance of urban populations on Rio Grande water has necessitated an expanded microbial surveillance of the river to help identify and evaluate sources of human pathogens, which could pose a public health risk. The objectives of this study were to investigate microbial and chemical water quality in Rio Grande water and to perform risk assessment analyses for Cryptosporidium. No oocysts in any of the ten-litre samples were detected. However, the limit of detection in the water samples ranged between 20 and 200 oocysts/100 L. The limits of detection obtained in this study would result

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5

Roque, Maria Inês, João Gomes, Igor Reva, et al. "An Opinion on the Removal of Disinfection Byproducts from Drinking Water." Water 15, no. 9 (2023): 1724. http://dx.doi.org/10.3390/w15091724.

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Ensuring drinking water quality is a key factor for public health and it is especially important given the increase in industrialization. Its quality is ensured by a water treatment process that includes a disinfection stage, mainly involving chlorination. However, by applying this disinfection method, unwanted disinfection byproducts (DBPs) are formed. These compounds have, in general, a negative impact on human health. Following this, the development of stricter regulations for drinking water quality standards has been conducted worldwide. Several techniques for the removal of DBPs have alre

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Farré, M. J., K. Doederer, W. Gernjak, Y. Poussade, and H. Weinberg. "Disinfection by-products management in high quality recycled water." Water Supply 12, no. 5 (2012): 573–79. http://dx.doi.org/10.2166/ws.2012.031.

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During the production of high quality recycled water (HQRW) by means of reverse osmosis (RO) membrane filtration, chloramines (used to avoid biofouling) can generate disinfection by-products (DBPs) which could ultimately end up in the product water. This paper compares the fate of DBPs and organic halogen content generated during the production of HQRW under two different disinfection strategies employed prior to RO filtration: (i) in line-formed chloramines with a short contact time between secondary effluent and disinfectant versus (ii) pre-formed chloramines with a long contact time between

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7

Zhu, Rui, Ya-ting Zhao, and Jian-jiang Lu. "Disinfection by-products pollution patterns and their cellular biomechanical effects." Molecular & Cellular Biomechanics 22, no. 5 (2025): 1723. https://doi.org/10.62617/mcb1723.

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This study integrates water quality monitoring data analysis with cellular biomechanics research to explore the relationship between disinfection by-products (DBPs) pollution patterns and their effects on cellular mechanical properties. Using data from 12 water treatment plants across three metropolitan areas in Eastern China, we identified four distinct DBPs pollution patterns: Chlorinated THMs dominated, HAAs dominated, Brominated DBPs enriched, and Emerging DBPs enriched. Multi-parametric biomechanical analysis utilizing atomic force microscopy, microfluidic deformation tests, and cytoskele

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8

Oh, Yuna, Ahjeong Son, Min-Jeong Kim, and Seongpil Jeong. "Analysis of the Long-Term (2005-2022) Water Qualities from the Water Production Plant in Seoul, Korea." Academic Society for Appropriate Technology 10, no. 2 (2024): 124–38. http://dx.doi.org/10.37675/jat.2024.00542.

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The safe and sustainable water supply is the one of the key aspects for human life and activity. Due to the extreme water variations such as drought and flooding by the climate change and increased water demand by the increased population and industry, the water scarcity became more severe globally. Therefore, it was required to understand the variations of the water qualities before and after the water production by using the long-term collected data. In this study, the measured and collected water quality data during 2005~2022 from the Seoul city, Korea for the feed water (Han river), produc

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9

Nariyan, Elham, Qiming Jimmy Yu, David Hamilton, and Qin Li. "Technologies for Halide Removal in Water Treatment – A State-of-the-Art Review." Global Environmental Engineers 9 (December 27, 2022): 60–102. http://dx.doi.org/10.15377/2410-3624.2022.09.5.

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Halides (X=Cl, Br, I) are naturally present in water, and halide concentrations can be high in water sources that are impacted by high salinity. Halides are also present in wastewater streams from various industrial operations such as pulp and paper, oil and gas, and mining. Drinking water guideline limits have been established for halides, and halide removal from water is important in several ways. Chloride concentration in water is more related to salinity, and its removal from water matters because of adverse health effects, water scarcity, corrosion, and industrial needs. In drinking water

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10

Wei, Minrui. "An integrated study of dual membrane techniques for the removal of disinfection by-products in drinking water." Applied and Computational Engineering 58, no. 1 (2024): 163–68. http://dx.doi.org/10.54254/2755-2721/58/20240714.

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In the context of escalating global water resource pressures and rising populations, ensuring the quality and safety of water supplies has become paramount. Natural Organic Matter (NOM) and Disinfection By-Products (DBPs) are prevalent contaminants in numerous water sources. Their presence compromises waters sensory qualities, but certain DBPs have been substantiated to be associated with diverse health implications, including carcinogenic risks. Hence, developing efficient, cost-effective, and reliable technologies for their removal is of critical significance. Dual-membrane filtration, an em

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11

He, Shu, and Nanqi Ren. "Permanganate/Bisulfite Pre-Oxidation of Natural Organic Matter Enhances Nitrogenous Disinfection By-Products Formation during Subsequent Chlorination." Water 14, no. 3 (2022): 507. http://dx.doi.org/10.3390/w14030507.

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The permanganate/bisulfite (PM/BS) process is a novel oxidation process, which can degrade micropollutants within several seconds. As natural organic matter (NOM) ubiquitously exists in an aquatic environment, the PM/BS process will inevitably react with NOM, which may impact the disinfection-by-products (DBPs) formation during subsequent chlorination. This study investigated the effect of PM/BS pre-oxidation of NOM on DBP formation. It was found that TOC removal reached a plateau when the molar ratio of PM to BS was 1:5. Increasing ratios of PM to BS decreased the intensity and area of fluore

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12

Xiao, Rong, Youli Duan, and Wenhai Chu. "The effectiveness of household water treatment and safe storage in improving drinking water quality: a disinfection by-product (DBP) perspective." Journal of Water Supply: Research and Technology-Aqua 69, no. 8 (2020): 785–806. http://dx.doi.org/10.2166/aqua.2020.052.

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Abstract Serving as the last barrier to secure drinking water safety, household water treatment and safe storage (HWTS) is perceived as an interim measure for removing pathogens from drinking water and reducing disease risk. In recent years, the application of HWTS has shown a growing trend, and its performance in controlling chemicals has also received much attention. Disinfection by-products (DBPs) are formed by the reaction of chemical disinfectants and precursors, and are present at sub-μg·L−1 or low-to-mid-μg·L−1 levels in drinking water. Although precursor control and disinfection operat

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13

Tsitsifli, Stavroula, and Vasilis Kanakoudis. "Developing THMs’ Predictive Models in Two Water Supply Systems in Greece." Water 12, no. 5 (2020): 1422. http://dx.doi.org/10.3390/w12051422.

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Disinfection is a very significant water treatment process for drinking water safety, as it inactivates pathogens from drinking water. However, disinfection-by-products (DBPs) are formed which are accused of contributing to cancer and reproductive/developmental effects. Research has provided many predictive models for the formation of DBPs based on various water quality parameters and following different methodologies. The present study aims at developing predictive models for the formation of DBPs in two drinking water supply systems in Greece. Data from the water supply systems are used. A s

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14

Vozhdaeva, Margarita Yu, Alfiya R. Kholova, Igor A. Melnitskiy, et al. "Monitoring and Statistical Analysis of Formation of Organochlorine and Organobromine Compounds in Drinking Water of Different Water Intakes." Molecules 26, no. 7 (2021): 1852. http://dx.doi.org/10.3390/molecules26071852.

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The main drawback of drinking water chlorination involves the formation of quite hazardous disinfection by-products (DBPs), represented mainly by halogenated species. Based on the authors’ monitoring data since 2002, the prevalence of chlorine over bromine in the composition of volatile DBPs was shown for the drinking water in Ufa (Russia). However, the situation was completely reversed in the case of semi-volatile DBPs. The principal goal of the present study involved rationalization of the results of the long-term monitoring. Gas chromatography–mass spectrometry (GC-MS) was used for the qual

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15

Nieuwenhuijsen, Mark J., James Grellier, Rachel Smith, et al. "The epidemiology and possible mechanisms of disinfection by-products in drinking water." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 367, no. 1904 (2009): 4043–76. http://dx.doi.org/10.1098/rsta.2009.0116.

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This paper summarizes the epidemiological evidence for adverse health effects associated with disinfection by-products (DBPs) in drinking water and describes the potential mechanism of action. There appears to be good epidemiological evidence for a relationship between exposure to DBPs, as measured by trihalomethanes (THMs), in drinking water and bladder cancer, but the evidence for other cancers including colorectal cancer is inconclusive and inconsistent. There appears to be some evidence for an association between exposure to DBPs, specifically THMs, and little for gestational age/intrauter

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16

Ilyas, Huma, Ilyas Masih, and Jan Peter van der Hoek. "An exploration of disinfection by-products formation and governing factors in chlorinated swimming pool water." Journal of Water and Health 16, no. 6 (2018): 861–92. http://dx.doi.org/10.2166/wh.2018.067.

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Abstract This paper investigates disinfection by-products (DBPs) formation and their relationship with governing factors in chlorinated swimming pools. The study compares concentrations of DBPs with WHO guidelines for drinking water quality recommended to screen swimming pool water quality. The statistical analysis is based on a global database of 188 swimming pools accumulated from 42 peer-reviewed journal publications from 16 countries. The mean and standard deviation of dichloroacetic acid and trichloroacetic acid were estimated as 282 ± 437 and 326 ± 517 μg L−1, respectively, which most of

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17

Seyoum, Alemtsehay G., Tiku T. Tanyimboh, and Calvin Siew. "Assessment of water quality modelling capabilities of EPANET multiple species and pressure-dependent extension models." Water Supply 13, no. 4 (2013): 1161–66. http://dx.doi.org/10.2166/ws.2013.118.

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The need for accurately predicting water quality through models has increasingly been crucial in meeting rigorous standards and customer expectations. There are several endeavours on developing robust water quality models for water distribution systems. In this paper, two variants of the EPANET 2 water quality model have been assessed to inform future research. The models are the multiple species extension EPANET-MSX and the pressure-dependent extension EPANET-PDX. Water quality analysis was conducted on a hypothetical network considering various operating pressure conditions. Different kineti

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18

Zhou, Xiang-Ren, Yi-Li Lin, Tian-Yang Zhang, et al. "Speciation and seasonal variation of various disinfection by-products in a full-scale drinking water treatment plant in East China." Water Supply 19, no. 6 (2019): 1579–86. http://dx.doi.org/10.2166/ws.2019.026.

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Abstract The objective of this research was to study the occurrence and seasonal variations of disinfection by-products (DBPs), including traditional carbonaceous and emerging nitrogenous DBPs, in a full-scale drinking water treatment plant (DWTP) for nearly 2 years. The removal efficiencies of each DBP through the treatment processes were also investigated. This DWTP takes raw water from the Yangtze River in East China. The quality of the raw water used in this DWTP varied with different seasons. The results suggested that DBP concentrations of the finished water were higher in spring (82.33

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19

Roberts, Thomas, Emily Kumpel, Lohita Rajesh, Mariana Lanzarini-Lopes, David Reckhow, and Karina A. Chavarria. "Impacts of wastewater intrusion on disinfection byproduct formation: An experimental study." PLOS Water 4, no. 4 (2025): e0000273. https://doi.org/10.1371/journal.pwat.0000273.

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Characteristics of intermittent piped water supply, in which the distribution system is not continuously pressurized, can allow contamination to enter pipes as intrusion. Two source waters were chlorinated and dosed with synthetic and real wastewater to simulate intrusion into a pipe with stagnant water to measure its impact on DBP formation potential. The formation and speciation of DBPs, including trihalomethanes, haloacetic acids, and haloacetonitriles, were measured throughout 7-day long experiments. Concentrations of regulated DBPs were greatest in experiments with either no intrusion or

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20

Gregov, Marija, Jasenka Gajdoš Kljusurić, Davor Valinger, et al. "Optimization of Ozonation in Drinking Water Production at Lake Butoniga." Water 17, no. 1 (2025): 97. https://doi.org/10.3390/w17010097.

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This study focuses on optimizing the ozonation process in drinking water production from Lake Butoniga to ensure safe water quality while minimizing disinfection by-products (DBPs). Laboratory simulations were conducted using the Box–Behnken design to model the effects of ozone dose and treatment duration on bromate formation, trihalomethanes (THMs), haloacetic acids (HAAs) and specific UV absorption (SUVA). Two ozonation strategies were tested: Strategy 1 aimed to minimize all DBPs, while Strategy 2 focused on controlling bromate levels while keeping THMs, HAAs and SUVA below 80% of maximum c

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Cho, J., H. Choi, I. S. Kim, and G. Amy. "Chemical aspects and by-products of electrolyser." Water Supply 1, no. 4 (2001): 159–67. http://dx.doi.org/10.2166/ws.2001.0080.

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The electrolyser is a disinfection device consisting of a series of porous graphite plates through which water flows while low voltage and current are applied. This electrolyser had been demonstrated successfully for efficient microbial (coliform bacteria, bacteriophage, Giardia, and Cryptosporidium) inactivation before this study. In this study, chemical aspects were evaluated in terms of the formation of disinfectants and/or oxidants as well as disinfection by-products (DBPs) during the disinfection by the electrolyser. Experiments were performed under constant electrolyser conditions but va

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Hrudey, Steve E., and John Fawell. "40 years on: what do we know about drinking water disinfection by-products (DBPs) and human health?" Water Supply 15, no. 4 (2015): 667–74. http://dx.doi.org/10.2166/ws.2015.036.

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2014 marks the 40th anniversary of the seminal discovery by Johannes Rook, in 1974, that trihalomethanes (THMs) were formed by the chlorination of natural organic matter (NOM) in drinking water. Since this discovery, which revolutionized how we viewed drinking water safety and quality, hundreds of other classes of disinfection by-products (DBPs) have been discovered. The finding in 1976 by the US National Cancer Institute that chloroform, the dominant THM, was a rodent carcinogen spurred a large number of epidemiology and toxicology studies into chlorinated drinking water. In 1985, this cancer

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Perveen, Samina, Imran Hashmi, and Romana Khan. "Evaluation of genotoxicity and hematological effects in common carp (Cyprinus carpio) induced by disinfection by-products." Journal of Water and Health 17, no. 5 (2019): 762–76. http://dx.doi.org/10.2166/wh.2019.261.

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Abstract Disinfection is intended to improve drinking water quality and human health. Although disinfectants may transform organic matter and form disinfection by-products (DBPs), many are branded as cyto- and genotoxic. Traditionally, research focuses on the effects of DBPs on human health, but cytogenic impacts on aquatic organisms still remain ill defined. The current study examines the potential toxic effect of chloroform and iodoform (DBPs) on Cyprinus carpio, selected as a model organism. Fish specimens were exposed to various concentrations of DBPs primarily based on LD50 values, where

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Delpla, I., A. Scheili, S. Guilherme, G. Cool, and M. J. Rodriguez. "Variations of disinfection by-product levels in small drinking water utilities according to climate change scenarios: a first assessment." Journal of Water and Climate Change 7, no. 1 (2015): 1–15. http://dx.doi.org/10.2166/wcc.2015.102.

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In Québec, Canada, shifts in climate patterns (i.e., rainfall increase) could have consequences on source water quality due to the intensification of surface/groundwater runoff contamination events, leading to a decline in drinking water treatment efficiency and ultimately disinfection by-products (DBPs) formation following treatment. To assess the impacts of climate change (CC) scenarios on DBP formation, a suite of models linking climate to DBPs was used. This study applies three emissions scenarios (B1, A1B and A2) for three 30-year horizons (2020, 2050 and 2080) in order to produce inputs

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Lara, Paula, Valentina Ramírez, Fernando Castrillón, and Gustavo A. Peñuela. "Presence of Disinfection Byproducts in Public Swimming Pools in Medellín, Colombia." International Journal of Environmental Research and Public Health 17, no. 13 (2020): 4659. http://dx.doi.org/10.3390/ijerph17134659.

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The quality of water in swimming pools is essential to avoid risks to the health of users. Medellín has more than 1000 public swimming pools, which are supervised by the Medellín Health Authority to monitor and ensure compliance with relevant regulations. The Health Authority has financed several studies related to the quality of drinking and recreational water in Medellín in order to protect consumers and users. One such study involves the evaluation of the presence of disinfection byproducts (DBP). The best known DBPs resulting from disinfection with chlorine are trihalomethanes (THMs) and h

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Sdougkou, Akrivi, Kyriaki Kapsalaki, Argyri Kozari, Ioanna Pantelaki, and Dimitra Voutsa. "Occurrence of Disinfection By-Products in Swimming Pools in the Area of Thessaloniki, Northern Greece. Assessment of Multi-Pathway Exposure and Risk." Molecules 26, no. 24 (2021): 7639. http://dx.doi.org/10.3390/molecules26247639.

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This study investigated the occurrence of disinfection by-products (DBPs) (trihalomethanes (THMs), haloacetic acids (HAAs), halonitriles (HANs), halonitromethane (TCNM) and haloketones (HKs)) in different type of swimming pools in the area of Thessaloniki, northern Greece by employing the EPA methods 551.1 and 552.3. Moreover, general water quality parameters (pH, residual chlorine, dissolved organic carbon, UV254 absorption, total nitrogen, alkalinity and conductivity) were also measured. The concentrations of DBPs showed great variability among swimming pools as well as within the same pool

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Zhou, Qingwei, Zhengfu Bian, Dejun Yang, and Li Fu. "Stability of Drinking Water Distribution Systems and Control of Disinfection By-Products." Toxics 11, no. 7 (2023): 606. http://dx.doi.org/10.3390/toxics11070606.

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The stability of drinking water distribution systems and the management of disinfection by-products are critical to ensuring public health safety. In this paper, the interrelationships between corrosion products in the network, microbes, and drinking water quality are elucidated. This review also discusses the mechanisms through which corrosive by-products from the piping network influence the decay of disinfectants and the formation of harmful disinfection by-products. Factors such as copper corrosion by-products, CuO, Cu2O, and Cu2+ play a significant role in accelerating disinfectant decay

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Smith, Edward H., and Ahmed A. Alqabany. "Fractionation of natural organic matter in the Nile River: implications for treated water quality." Water Science and Technology 59, no. 10 (2009): 1989–97. http://dx.doi.org/10.2166/wst.2009.198.

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Recent sampling projects in greater Cairo, Egypt have indicated the presence of trihalomethanes and other chlorine disinfection by-products (DBPs) in the public water supply at levels that are periodically in excess of regulatory limits. Therefore, hydrophobic–hydrophilic fractionation of natural organic matter (NOM) was performed for raw Nile River water samples in order to identify the organic fractions that most readily react with chlorine to produce DBPs. Averages of five events over a 13-month period revealed that the hydrophilic neutral fraction made the highest contribution (35%) to the

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Sawade, Emma, Rolando Fabris, Andrew Humpage, and Mary Drikas. "Effect of increasing bromide concentration on toxicity in treated drinking water." Journal of Water and Health 14, no. 2 (2015): 183–91. http://dx.doi.org/10.2166/wh.2015.127.

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Research is increasingly indicating the potential chronic health effects of brominated disinfection by-products (DBPs). This is likely to increase with elevated bromide concentrations resulting from the impacts of climate change, projected to include extended periods of drought and the sudden onset of water quality changes. This will demand more rigorous monitoring throughout distribution systems and improved water quality management at water treatment plants (WTPs). In this work the impact of increased bromide concentration on formation of DBPs following conventional treatment and chlorinatio

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Riyadh, Ammar, and Nicolas M. Peleato. "Natural Organic Matter Character in Drinking Water Distribution Systems: A Review of Impacts on Water Quality and Characterization Techniques." Water 16, no. 3 (2024): 446. http://dx.doi.org/10.3390/w16030446.

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Natural Organic Matter (NOM) in water arises from decomposed plant and animal matter and is ubiquitous in drinking water sources. The variation in NOM concentrations and characteristics, influenced by events like floods and droughts, plays a crucial role in water treatment efficiency and water quality received by the public. For example, increased NOM concentrations necessitate higher levels of coagulants and disinfectants, leads to the formation of disinfection by-products (DBPs), and plays a key role in biofilm development. When considering impacts of NOM, it is not only the presence or conc

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Yin, Jun, Maria Fidalgo, and Baolin Deng. "Removal of NOMs by Carbon Nanotubes/Polysulfone Nanocomposite Hollow Fiber Membranes for the Control of Disinfection Byproducts (DBPs)." Water 15, no. 11 (2023): 2054. http://dx.doi.org/10.3390/w15112054.

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It has been well established that natural organic matters (NOMs) are precursors for the formation of disinfection by-products (DBPs) in drinking water supplies, thus the removal of NOMs is often used as an effective approach to limit DBPs production. In this study, we evaluated the application of oxidized multi-walled carbon nanotubes (OMWNTs)/polysulfone (PSU) nanocomposite hollow fiber membranes (HFM) for the removal of NOMs and its impact on the production of DBPs following water chlorination. Analysis of source water samples by fluorescence excitation/emission matrix (EEM) spectrometry ind

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Qi, Wang, Lim Fang Yee, and Hu Jiangyong. "Relationship between organic precursors and N-nitrosodimethylamine (NDMA) formation in tropical water sources." Journal of Water and Health 12, no. 4 (2014): 736–46. http://dx.doi.org/10.2166/wh.2014.117.

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The presence of organic compounds in water sources is one of the concerns in water treatment. They are potential precursors of disinfection byproducts (DBPs) and thus induce health problems in humans. Among the emerging DBPs, carcinogenic compound N-nitrosodimethylamine (NDMA) has been receiving attention during the last decade. This study examined the characteristics of organic components in various water sources and investigated their relationships with NDMA formation. Experiments were carried out on selected water samples from both natural water and wastewater. Results showed similar NDMA f

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Chien, I.-Chieh, Sheng-Pei Wu, Hsien-Chun Ke, Shang-Lien Lo, and Hsin-hsin Tung. "Comparing Ozonation and Biofiltration Treatment of Source Water with High Cyanobacteria-Derived Organic Matter: The Case of a Water Treatment Plant Followed by a Small-Scale Water Distribution System." International Journal of Environmental Research and Public Health 15, no. 12 (2018): 2633. http://dx.doi.org/10.3390/ijerph15122633.

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High cyanobacteria-derived dissolved organic carbon (DOC) in source water can cause drinking water quality to deteriorate, producing bad taste, odor, toxins, and possibly elevated levels of disinfection byproduct (DBP) precursors. Conventional water treatment processes do not effectively remove algal organic substances. In this study, rapid-sand-filtration effluent from a water treatment plant on Kinmen Island, where serious cyanobacterial blooms occurred, was used to evaluate the DOC- and DBP-removal efficiency of ozonation and/or biofiltration. To simulate a small-scale water distribution sy

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Golfinopoulos, Spyridon K., Anastasia D. Nikolaou, and Dimitrios E. Alexakis. "Innovative Approaches for Minimizing Disinfection Byproducts (DBPs) in Water Treatment: Challenges and Trends." Applied Sciences 14, no. 18 (2024): 8153. http://dx.doi.org/10.3390/app14188153.

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Growing concerns over public health and environmental safety have intensified the focus on minimizing harmful disinfection byproducts (DBPs) in water treatment. Traditional methods like chlorination, while effective against pathogens, often lead to the formation of DBPs, which pose significant risks. This paper explores alternative strategies to reducing DBP formation while ensuring effective disinfection. The methodology involved a bibliographic study conducted through the Scopus platform, using appropriate keywords. The initial search yielded 9576 articles from the period 2020 to 2024. The k

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Zimoch, Izabela, and Ewelina Bartkiewicz. "Risk analysis associated with secondary water pollution in selected agglomerations of the Silesian Voivodship." E3S Web of Conferences 100 (2019): 00092. http://dx.doi.org/10.1051/e3sconf/201910000092.

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Water quality is the most important parameter related to water intended for human consumption. The main task of water supply companies is to keep water quality at the possible highest level. Water, which consumers receive in their homes, is the final product of a multi-stage processing, which aims to obtain water with the required physico-chemical and biological composition. Nevertheless, during transport through the Water Supply System (WSS), water reacts with various factors, sometimes causing secondary pollution. An important threat associated with water quality reduction is disinfection by

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Amanda, Bella Apriliani, Atiek Moesriati, and Nieke Karnaningroem. "Risk Assessment of Total Coliform in X WTP’s Water Production Using Failure Mode And Effect Analysis Method." Teknik 38, no. 1 (2017): 21. http://dx.doi.org/10.14710/teknik.v0i0.15406.

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The greatest risk of drinking water supply is a failure to provide safe drinking water for communities. Based on IPA Kedunguling testing report on March 2016 noted that sample exceeding the quality standart of Peraturan Menteri Kesehatan RI No 492/2010 for the total coliform quality standart. The presence of total coliforms indicating water contamination by pathogen means the water is not safe to consume. The disinfection process has an importance rule in pathogen inactivation. Disinfectant performance is influenced by temperature, pH, turbidity, and the presence of organic materials. One way

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SEAGER, J. "Statutory Water Quality Objectives and River Water Quality." Water and Environment Journal 7, no. 5 (1993): 556–62. http://dx.doi.org/10.1111/j.1747-6593.1993.tb00885.x.

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Trujillo, J., J. A. Barrios, and B. Jimenez. "Effect of peracetic acid, ultraviolet radiation, nanofiltration-chlorine in the disinfection of a non conventional source of water (Tula Valley)." Water Science and Technology 57, no. 4 (2008): 621–27. http://dx.doi.org/10.2166/wst.2008.181.

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Water supply for human consumption requires certain quality that reduces health risks to consumers. In this sense, the process of disinfection plays an important role in the elimination of pathogenic microorganisms. Even though chlorination is the most applied process based on its effectiveness and cost, its application is being questioned considering the formation of disinfection by-products (DBPs). Therefore, alternative disinfectants are being evaluated and some treatment processes have been proposed to remove DBPs precursors (organic matter. This paper reports the results of disinfection o

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Owiti, Dessy, Olusegun Oni, and Hulya Yazici. "Water Quality Assessment of Drinking Water from Local Public Water Systems (Community/ Utilities) in Lee County Florida." Aquila: The FGCU Student Research Journal 9, no. 1 (2024): 97–142. https://doi.org/10.24049/aq.9.1.9.

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A common question among Lee County residents has been whether the tap water is safe. The purpose of this study is to evaluate the water quality compliance of the Lee County water systems and analyze further the relationship between Disinfection Byproducts (DBPs), contaminants, and disinfection. Data on the contaminants were retrieved from 2018 to 2022 Consumer Confidence Reports and OCULUS Document Management System. Descriptive analytics, regression analysis and Analysis of variance (ANOVA) test were used for hypothesis testing. Results indicated that contaminant mean difference among utiliti

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Chang, C.-N., A. Chao, F.-S. Lee, and F.-F. Zing. "Influence of molecular weight distribution of organic substances on the removal efficiency of DBPS in a conventional water treatment plant." Water Science and Technology 41, no. 10-11 (2000): 43–49. http://dx.doi.org/10.2166/wst.2000.0604.

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The objective of this study is to investigate how the molecular weight distribution of the organic substances affects their treatment efficiencies and the reduction of disinfection by-products (DBPs) in the various unit operations of a full-scale water treatment plant. The results indicate that the membrane with a smaller molecular weight cut-off is more effective for removing the organic substances and its associated water quality parameters from the raw water. For example, using the membrane with a molecular weight cut-off of 0.5 K (500 daltons), the removal efficiency of DOC from the raw wa

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Pi, Jiachang, Guangcan Zhu, Lianqing Liu, Chuya Wang, and Zhonglian Yang. "Size and resin fractionations of dissolved organic matter and characteristics of disinfection by-product precursors in a pilot-scale constructed wetland." Water Supply 21, no. 4 (2021): 1481–94. http://dx.doi.org/10.2166/ws.2021.013.

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Abstract Controlling the formation of disinfection by-products (DBPs) is a major issue in the drinking water industry, and understanding the characteristics of DBP precursors in treatment processes for micro-polluted raw water is key to improving water quality. In this study, a sampling program was undertaken to investigate the fate of dissolved organic matter (DOM) and the characteristics of DBP precursors in a pilot constructed wetland imitating the Yanlong Lake ecological project. Using XAD resin adsorption and ultrafiltration techniques, the dissolved organic carbon, UV254, and DBP formati

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Elsaidy, Nagham R., Nooran S. Elleboudy, Adel Alkhedaide, et al. "Enhancement Effects of Water Magnetization and/or Disinfection by Sodium Hypochlorite on Secondary Slaughterhouse Wastewater Effluent Quality and Disinfection By-Products." Processes 10, no. 8 (2022): 1589. http://dx.doi.org/10.3390/pr10081589.

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Wastewater disinfection is one of the most critical issues in protecting human health against exposure to waterborne pathogenies. Chlorine is among the most commonly used disinfectants in many wastewaters’ treatment plants. Nevertheless, disquiets regarding chlorine’s disinfection by-products (DBPs) have grown recently. One of the most effective ways to reduce DBPs generation is to reduce chlorine dosage by increasing disinfectant efficiency. Using magnetic field (MF) in wastewater treatment is one of the promising research topics with significant progression. This study aimed to evaluate the

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Smith, Edward, and Yasmine Kamal. "Optimizing treatment for reduction of disinfection by-product (DBP) formation." Water Supply 9, no. 2 (2009): 191–98. http://dx.doi.org/10.2166/ws.2009.120.

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Recent studies in communities in greater Cairo, Egypt have identified trihalomethanes (THMs) and haloacetic acids (HAAs) at levels that exceed regulatory limits depending upon the season. The objective of this study was to better understand the formation of DBPs in Nile River source water with a view toward optimizing conventional treatment, focusing on enhanced coagulation, to achieve reduction in DBP formation potential (FP) in a cost-effective scheme. To this end, characterisation of natural organic matter (NOM) in Nile raw water and after treatment by fractionating according to hydrophobic

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Liu, Pon Yu, Jerry J. Wu, and Chih Chao Wu. "Control of disinfection byproduct formation in Feng-Shan reservoir by the traditional treatment processes plus O3–pilot-plant test." Water Science and Technology 55, no. 12 (2007): 127–31. http://dx.doi.org/10.2166/wst.2007.399.

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Two processes in the pilot plant were studied and compared to reduce the disinfection byproduct risk of the potable finished water of Feng-shan treatment utility in Taiwan. For 5 months study, two processes have both demonstrated to achieve a significant removal on the organic precursors of DBPs, including NPDOC and A-254. With the analysis of molecular weight distribution of organics in raw water, the study found the post ozonation plus BAC can provide additional enhancement in degrading organic contents. A process of coagulation/sedimentation/rapid sand filtration/post ozonation/BAC would be

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Wang, Saige, Shuyi Yang, Huan Chen, and Qiufeng Lin. "The Role of Ferrate (VI) in the Pretreatment of Algal Cells and Algal Organic Matters: A Review." Water 16, no. 10 (2024): 1361. http://dx.doi.org/10.3390/w16101361.

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Algal blooms are caused by excessive levels of nitrogen, phosphorus, and other plant nutrients in water. Algae and algal organic matter (AOM) pose a great threat to the quality of drinking water. This manuscript offers a systematic review of algal removal by ferrate (Fe(VI)) oxidation, including the conditions for the removal of different algae by Fe(VI) and the factors affecting the removal efficiency. On this basis, the oxidation and coagulation mechanisms of algae removal by Fe(VI) are discussed. Then, the review introduces the process combining Fe(VI) pre-oxidation with aluminum sulfate ac

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Alcalde, L., M. Folch, J. C. Tapias, E. Huertas, A. Torrens, and M. Salgot. "Wastewater reclamation systems in small communities." Water Science and Technology 55, no. 7 (2007): 149–54. http://dx.doi.org/10.2166/wst.2007.139.

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The demands established in the rules and regulations by the administration in Catalonia seem to exclude small communities from wastewater reclamation and reuse, due to the comparatively high costs associated with the practice at small scale. In the framework of the DRAC project (Demonstration on Wastewater Reclamation and Reuse in Catalonia) two different pre-treatment systems, one extensive (infiltration–percolation) and another intensive (ring filter), each one followed by chlorine dioxide disinfection, were tested in order to be applied for small communities wastewater reclamation and reuse

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Asadollahi, Amin, Asyeh Sohrabifar, and Habibollah Fakhraei. "Trihalomethane Formation from Soil-Derived Dissolved Organic Matter During Chlorination and Chloramination: A Case Study in Cedar Lake, Illinois." Geographies 5, no. 1 (2025): 15. https://doi.org/10.3390/geographies5010015.

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Dissolved organic carbon (DOC) is a critical parameter in water quality management due to its interaction with disinfectants, leading to the formation of disinfection byproducts (DBPs) during water treatment. Forest ecosystems are key contributors of DOC to surface waters, stemming from soil leachate. This study is the first to use DOC solutions directly extracted from soil to examine the formation of trihalomethanes (THMs) during chlorination and chloramination under varying environmental conditions. For this purpose, soil samples from a densely forested upland Cedar Lake watershed in Illinoi

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Chae, S. "Evaluation of drinking water treatment processes focusing on natural organic matter removal and on disinfection by-product formation." Water Supply 2, no. 5-6 (2002): 459–64. http://dx.doi.org/10.2166/ws.2002.0204.

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The aim of this study was to characterize and compare natural organic matter (NOM) removal and disinfection by-product (DBP) formation in the drinking water treatment train that can give valuable information, while optimizing the treatment process. In this study, the determination of the hydrophobic (HPO), transphilic (THP) and hydrophilic (HPI) NOM distribution was used in parallel with more related drinking water parameters to compare the selected waters. High-performance size-exclusion chromatography (HPSEC) was applied to evaluate the relative changes of molecular size distribution of NOM

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Ghebremichael, K., A. Gebremeskel, N. Trifunovic, and G. Amy. "Modeling disinfection by-products: coupling hydraulicand chemical models." Water Supply 8, no. 3 (2008): 289–95. http://dx.doi.org/10.2166/ws.2008.073.

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There are established chemical models that can predict disinfectant decay and DBPs formation with respect to various water quality parameters and reaction time (water age). While models such as EPANET are powerful tools in hydraulic simulations, they have limited use in simulating water quality, containing only a basic chlorine decay subroutine. This paper presents a study on the use of a link that was developed to couple the external water quality models and the hydraulic model of EPANET 2.The coupled model has been applied to a hypothetical distribution system under steady and non steady con

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Yu, M. J., H. M. Cho, J. Y. Koo, I. S. Han, E. M. Gwon, and H. K. Oh. "Modifications of unit processes for finished water quality improvement at the Kueui water treatment plant in Seoul." Water Supply 2, no. 5-6 (2002): 193–99. http://dx.doi.org/10.2166/ws.2002.0169.

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Recently, Seoul city has tried to modify and upgrade the existing facilities and utilities and to improve the established water treatment plants, instead of application of a new treatment process. These efforts have finally lowered the turbidity of finished water below 0.1NTU. Small lab-scale and pilot-scale experiments have been conducted and they have provided optimum parameters for the design and operation of drinking water treatment plants. In addition, quantitative and/or trace analysis technologies developed for monitoring water quality of effluent from unit processes and automization of

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