Modeling complex disinfection chemistry
Just a heads-up—this section is still a work in progress! I’ll be revising and expanding it soon to make sure it’s as useful as possible. Curious about what’s already done or currently in the works? Check the changelog for updates.
The chemistry of disinfection in a water distribution system is rarely as simple as a single disinfectant decaying at a steady rate. This section focuses on the intricate world of modeling complex disinfection chemistry, particularly when multiple disinfectant species are present, interact, or interconvert over time.
This is especially relevant for utilities using chloramination, where you have a dynamic balance between monochloramine, dichloramine, and even traces of free chlorine and organic chloramines, or for systems where breakpoint chlorination is a factor. We'll explore how to simulate the speciation of these disinfectants — that is, the relative proportions of each chemical form present under different conditions.
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