UASB reactor effluent disinfection by ozone and chlorine

G.H. Ribeiro da Silvia, H. Bruning, D. Gerrity, L.A. Daniel

Research output: Contribution to journalArticleAcademicpeer-review

3 Citations (Scopus)


This research studied the sequential ozone and chlorine process with respect to, the inactivation of indicator bacteria and the formation of ozone disinfection byproducts in sanitary wastewater effluent. The applied ozone doses were 5, 8 and 10 mg.O3.L-1, followed by chlorine doses of 10, 20 and 30 mg.L-1, respectively. After the sequential ozone/chlorine process, the mean reduction in chemical oxygen demand ranged from 9 to 37%. Total coliform inactivation ranged from 1.59 to 3.73 log10, and E. coli was always
Original languageEnglish
Pages (from-to)1215-1222
JournalJournal of Environmental Science and Health. Part A, Toxic hazardous substances
Issue number12
Publication statusPublished - 2015

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