Nitrogen‐sparging assisted anoxic biological drinking water treatment system
Asher E. Keithley,
Peyton Woodruff,
Daniel J. Williams
et al.
Abstract:Existing heterotrophic denitrification reactors rely on microorganisms to consume dissolved oxygen (DO) and create conditions suitable for denitrification, but this practice leads to excessive microbial growth and increased organic carbon doses. An innovative reactor that uses nitrogen gas sparging through a contactor to strip DO was developed and tested in the lab. It reduced influent nitrate from 15 to <1 mg/L as N with nitrite accumulation <1 mg/L as N. It maintained a consistent flow rate and develop… Show more
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