Microplastics throughout a tap water supply network

2021 ◽  
Author(s):  
Joan Dalmau‐Soler ◽  
Rubèn Ballesteros‐Cano ◽  
Núria Ferrer ◽  
M. Rosa Boleda ◽  
Sílvia Lacorte
Keyword(s):  
Water Supply ◽  
Tap Water ◽  
Supply Network ◽  
Water Supply Network

scholarly journals Modeling of trihalomethane compounds formation in Baghdad water supply network

2020 ◽  
Vol 29 (2) ◽  
pp. 136-144
Author(s):  
Salam Ewaid ◽  
Salwan Abed ◽  
Nadhir Al-Ansari ◽  
Bassam Al-Farhani
Keyword(s):  
Water Supply ◽  
Tap Water ◽  
Quality Parameters ◽  
Supply Network ◽  
Chromatography Method ◽  
Water Supply Network ◽  
Spss Software ◽  
Measured Water ◽  
Mean Concentration ◽  
Dependent Factor

This study was conducted to measure the concentrations of four trihalomethane compounds (THMs) in raw, treated, and drinking water of seven water purification plants and the residential neighborhoods nearby in Baghdad. About 350 samples gathered between January and October 2017 and analyzed by the gas chromatography method. Results showed that THM annual levels in tap water ranged between 12 and 97.3 μg·l–1 in winter and summer consecutively, with a mean concentration of 60 μg·l–1, these concentrations did not exceed the level recommended by the WHO and the Iraqi standards. Statistical modeling by SPSS software for the formation of THM (the dependent factor) in the water supply network was undertaken using the measured water quality parameters (as independent factors) and utilizing multiple regression analysis. The model obtained has a high correlation (r = 0.842) and approved that the most affecting parameters on THM formation are total organic carbon, temperature, turbidity, total solids, and chlorine dose. The model that was derived may be used for the purposes of choosing appropriate THM-reduction procedures and the use of chlorine for improving the method of disinfection.

Organics and its Control in Reclaimed Water

2014 ◽  
Vol 507 ◽  
pp. 752-756
Author(s):  
Chao Xiang ◽  
Ping Xu ◽  
Jing Wang ◽  
Tao Wang ◽  
Ya Jun Zhang
Keyword(s):  
Water Supply ◽  
Indirect Effects ◽  
Microbial Growth ◽  
Treatment Process ◽  
Reclaimed Water ◽  
Limiting Factors ◽  
Supply Network ◽  
Water Supply Network ◽  
Factors Affecting ◽  
Comprehensive Study

Some forms of organic matter existing in the water have direct or indirect effects on microbial growth. By the investigation data over drinking water and reclaimed water, we summarized organic limiting factors that may affect the growth of microorganisms and factors affecting these water qualities in the reclaimed water supply network, such as a variety of treatment process and the residual disinfectants. Through its comprehensive study, we want to make a contribution of opinion to control the growth of microorganisms in reclaimed water supply network.

scholarly journals The simple calibration procedure on the example of small town water supply system

2018 ◽  
Vol 44 ◽  
pp. 00167
Author(s):  
Jarosław Sowiński ◽  
Adam Hofman ◽  
Marek Dziubiński
Keyword(s):  
Water Supply ◽  
Aging Process ◽  
Calibration Procedure ◽  
Resistance Coefficient ◽  
Supply System ◽  
Supply Network ◽  
Practical Application ◽  
Urban Network ◽  
Water Supply Network ◽  
Material Calibration

The practical application of the model of water supply network realized in the program Epanet 2 requires the calibration of the model. The proposed simple calibration procedure, allows for taking into account the changes in resistance caused by the aging process, to be substituted by resistance coefficient K. In order to determine the substitute resistance coefficient K, the fire hydrant flow tests could be used, which allows to determine the aging for a given material. Calibration of the water supply network model is shown on the example of a small urban network in central Poland..

scholarly journals Applied Systemic Approach to Water Supply Network the Case of an Urban Cluster of Tlemcen - Algeria

2012 ◽  
Vol 33 ◽  
pp. 30-37 ◽  
Author(s):  
Abdelbaki Chérifa ◽  
Touaibia Bénina ◽  
Allal Mohamed Amine ◽  
Kara Slimane Fadila
Keyword(s):  
Water Supply ◽  
Systemic Approach ◽  
Supply Network ◽  
Water Supply Network ◽  
Urban Cluster
Sign in / Sign up

Export Citation Format

Share Document