Disinfection Alternative Analysis: How Flow Rates, Hydraulics, and Operational History Affect Outcomes and Decisions

Authors: Mihm, Mark S.; Bagchi, Dipak

Source: Proceedings of the Water Environment Federation, Disinfection 2000 , pp. 521-540(20)

Publisher: Water Environment Federation

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Disinfection alternative analysis has been an important consideration with respect to the recent Risk Management Plan activity. Although new regulations often spur activity and influence process change, the RMP legislation caused widespread re-thinking of disinfection alternatives available to the wastewater and water treatment industry. This paper is a case study of one such disinfection alternative analysis that considered the implications of three major wastewater disinfection processes:

Chlorine gas disinfection with Sulfur dioxide gas for dechlorination

Liquid Sodium hypochlorite with liquid Sodium bisulfite for dechlorination

Ultraviolet light disinfection with

Low pressure, low intensity lamps,

Low pressure, high intensity lamps, and

Medium pressure, high intensity lamps.

The study was unique in the fact that four wastewater treatment plants (WWTPs) with very different flow rates and operational history were evaluated for the best-fit alternative, independent of the alternative chosen for neighboring WWTPs.

Document Type: Research Article

DOI: http://dx.doi.org/10.2175/193864700785371812

Publication date: January 1, 2000

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  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

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