Results 241 to 250 of about 428,375 (289)

Divergent Bacterial Communities in Water and Sediment of Chlorinated Drinking Water Storage Tanks. [PDF]

ACS ES T Water
Bridges E, Bircher S, Cunningham K, Vasam V, Hando J, Garner E.   +5 more
europepmc   +1 more source

Nitrite Oxidation during Ozonation Revisited: Mechanisms of Nitration Reactions. [PDF]

Environ Sci Technol
Manasfi T, Dieziger C, Rath SA, Minakata D, von Gunten U.   +4 more
europepmc   +1 more source

Hidden Diradical: Conformational Switch for Solvatochromic NIR Emission With Unity Quantum Yield in Thiele's Hydrocarbon. [PDF]

Angew Chem Int Ed Engl
Bevilacqua M, Reato M, Cilento F, Graiff C, Antonello S, Schio L, Aliprandi A, Tubaro C, Franco L, Dell'Angela M, Munz D, Baron M.   +11 more
europepmc   +1 more source

<i>In Situ</i> Monitoring of Hypochlorite Decay under Radiation Using Differential Pulse Voltammetry. [PDF]

ACS Electrochem
Skotar T, Mena-Morcillo E, Moshrefi R, Briggs S, Keech PG, Behazin M, King F, Gateman SM.   +7 more
europepmc   +1 more source

Bulk Decay of Chlorine in Water Distribution Systems

Journal of Water Resources Planning and Management - ASCE, 2003
Mathematical models of chlorine concentration in water distribution systems require the bulk decay coefficient to be quantified. The coefficient needs to be determined with respect to independent variables if models are to maintain their predictive capability as seasonal and water treatment operational changes occur.
Nicholas B. Hallam, Fang Hua, John R. West, Christopher F. Forster, John Simms   +4 more
exaly   +3 more sources

A Variable Rate Coefficient Chlorine Decay Model

Environmental Science & Technology, 2008
Chlorine is the most widely used water disinfectant in the world. As a result, optimal chlorine usage is essential for both human and environmental health. Chlorine decay models can be used to predict residual concentrations in water distribution networks and optimize chlorine dosing. However, the coefficients of current chlorine decay models are often
Jonkergouw, PM, Khu, ST, Savic, DA, Zhong, D, Hou, XQ, Zhao, HB   +5 more
core   +6 more sources

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A model for chlorine concentration decay in pipes

Water Research, 1993
Abstract A model that accounts for transport in the axial direction by convection and in the radial direction by diffusion and that incorporates first order decay kinetics has been developed to predict the chlorine concentration in a pipe in a distribution system. A generalized expression for chlorine consumption at the pipe wall is used to solve the
Robert Clark, Chungsying Lu, Pratim Biswas   +2 more
exaly   +2 more sources

A new approximate solution for chlorine concentration decay in pipes

Water Research, 2008
Biswas et al. (1993. A model for chlorine concentration decay in pipes. Water Res. 27(12), 1715-1724) presented an analytical solution of a two-dimensional (2-D) steady-state chlorine transport equation in a pipe under the turbulent condition and employed fractional error function and regression technique to develop an approximate solution.
Hund-Der, Yeh, Shi-Bin, Wen, Ya-Chi, Chang, Chung-Sying, Lu   +3 more
openaire   +3 more sources

Modelling of chlorine decay in municipal water supplies

Water Research, 1999
Abstract This paper describes the effects which temperature and the initial chlorine concentration have on the chlorine decay in different water samples. It also reports the derivation of empirical formulae which describe these effects. The data show that chlorine decays more rapidly in fresh samples than in those which had been re-chlorinated with ...
C F Förster, J R West
exaly   +2 more sources

Quantifying chlorine-reactive substances to establish a chlorine decay model of reclaimed water using chemical chlorine demands

Chemical Engineering Journal, 2019
Abstract In order to guarantee the water quality of reclaimed water in pipeline system, a chlorine bulk-decay model is required for simulation and prediction of chlorine profiles in networks. Conventional chlorine decay models of drinking water are not applicable to reclaimed water due to its complex and varying water quality.
Zhuo Chen, Ye Du, Hong-Ying Hu
exaly   +2 more sources