Staged dosing

Laxman Devkota, Damon Williams, John Matta, Orris Albertson, Domenic Grasso, Peter Fox

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


Free chlorine can oxidize lower-substituted inorganic chloramines to higher-substituted chloramines. The free chlorine oxidation rate, of chloramines should still be slower than that of ammonia. Staged dosing of chlorine may reduce chlorine usage by limiting the side reactions and residual decay. However, staged dosing is not independent of breakpoint curve behavior. At high chlorine-to-ammonia-nitrogen ratios, the chlorine demand increases. However, the increase in demand in staged dosing should be less than in single dosing because of fewer side reactions.

Original languageEnglish (US)
Pages (from-to)53-59
Number of pages7
JournalWater Environment and Technology
Issue number9
StatePublished - Sep 1996
Externally publishedYes

ASJC Scopus subject areas

  • Environmental Engineering
  • Pollution
  • Water Science and Technology


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