Results 71 to 80 of about 1,892 (176)

Assessment of intervention measures on trihalomethane in finished water by interrupted time series analysis

环境与职业医学
BackgroundThe Qingcaosha Reservoir is facing issues of algal blooms and eutrophication, and the resulting increase in the level of chlorination disinfection by-products in the water has been a major concern.
Yangyang REN, Hailei QIAN, Saifeng PEI, Xiaodong SUN, Zheng WU, Chen WU, Jingxian ZHOU, Aimin DU, Shaofeng SUI   +8 more
doaj   +1 more source

Point-of-use chlorine residuals and disinfection byproduct occurrences in rural households served by public water utilities in Appalachian Virginia

Journal of Water and Health
We characterized concentrations of trihalomethanes (THMs), a measure of disinfection byproducts (DBPs), in tap water samples collected from households with utility-supplied water in two rural counties in Appalachian Virginia, and assessed associations ...
Md Rasheduzzaman, Bethesda O'Connell, Leigh-Anne Krometis, Teresa Brown, Alasdair Cohen   +4 more
doaj   +1 more source

Correlation-regression analysis of modelled chlorine residual's spatial variability in water supply network

Zaštita Materijala, 2014
Residual chlorine ex. concentration of free chlorine disinfection able to carry disinfection in drinking water is an important parameter of drinking water, primarily talking about its bacteriological safety.
Sanja Marčeta, Dušan Prodanović
doaj   +1 more source

Determinação simultânea de trialometanos e agrotóxicos em água por cromatografia gasosa

Química Nova, 2011
A method for simultaneous analysis of trihalomethanes and organochloride and pyrethroid pesticides in water utilizing SPME-HS and GC-ECD was developed.
Elenice A. Carlos, Antônio A. Neves, César Reis, Maria Eliana L. R. de Queiroz   +3 more
doaj   +1 more source

The significance of algae as trihalomethane precursors

Water Science and Technology, 1998
The objective of this study was to assess the relative importance of algae and algal derived organic precursors in the generation of Trihalomethane compounds (THMs). Laboratory tests have been carried out using cultures of two common algal species dominating natural reservoir populations to assess the importance of species, growth phase and biomass ...
Jia-Qian Jiang, Roger Perry, Valerie E. Wardlaw, Nigel J. D. Graham   +3 more
openaire   +1 more source

Effect analysis of trihalomethane reduction in the raw water from Qingcaosha reservoir using various water treatment processes

Shanghai yufang yixue
ObjectiveTo investigate the content of trihalomethanes (THMs) in treated water after different water treatment processes and their correlations with premanganate index, so as to provide data support for the renovation of water production process and ...
WU Jingyu, WANG Weiguo, REN Hui, ZHENG Weiwei   +3 more
doaj   +1 more source

Potential Effects of Organic Carbon Production on Ecosystems and Drinking Water Quality

San Francisco Estuary and Watershed Science, 2003
Restoration of tidal wetlands in the Sacramento-San Joaquin Delta (Delta) is an important component of the Ecosystem Restoration Program of the CALFED Bay-Delta Program (CALFED).
Larry R. Brown
doaj  

Determination of Trihalomethanes (THMs) in Drinking Water of Eastern Part of Bandar Abbas City and Feasibility of Removing with Ultrasonic Irradiation [PDF]

آب و فاضلاب, 2014
Trihalomethanes are a group of compounds that can form when the chlorine used to disinfect drinking water reacts with naturally occurring organic matter. Trihalomethanes have been proven to be carcinogenic.
roonak Khordedan, Aliakbar Azimi, Majid Baghdadi, Ali Zahedi   +3 more
doaj  

Exposição humana a trialometanos presentes em água tratada

Revista de Saúde Pública
Realizou-se uma revisão bibliográfica do período de 1974-1998, no MEDLINE, sobre compostos orgânicos halogenados derivados de hidrocarbonetos denominados de trialometanos.
Maria Y Tominaga, Antonio F Midio
doaj