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Study on Assimilable Organic Carbon (AOC) and Influencing Factors in Northern Living District Water Distribution System

From the book Materials in Environmental Engineering

  • Xin-Yu Zhang and Jin-Liang Gao

Abstract

To limit the bacteria regrowth, water plants must keep a trade-off between biological stability, residual disinfectant and substrate in water distribution system. The biostability is a useful approach to study the two competing affections that determine bacterial regrowth in a distribution system, inactivation because of the presence of a disinfectant and growth because of the presence of a substrate. This paper presents a research method for determining biostability, related water quality indexes, and limited factors on bacteria regrowth, therefore this will enable water plants to incorporate this approach for water quality safe needs. Using data from sampling sites, AOC and residual chlorine were applicable to control regrowth of HPC in chlorinated systems where AOC and phosphorus are the growth limiting substrate.

© 2017 Walter de Gruyter GmbH, Berlin/Munich/Boston
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