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Drinking Water Engineering and Science An interactive open-access journal

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  • CiteScore<br/> value: 0.79 CiteScore
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doi:10.5194/dwes-2017-11
© Author(s) 2017. This work is distributed
under the Creative Commons Attribution 3.0 License.
Research article
02 Mar 2017
Review status
This discussion paper is under review for the journal Drinking Water Engineering and Science (DWES).
Online Total Organic Carbon (TOC) monitoring for water and wastewater treatment plants processes and operations optimization
Céline Assmann, Amanda Scott, and Dondra Biller Analytical Instruments, a Division of GE Power, Boulder, Colorado, USA
Abstract. Organic measurements, such as biological oxygen demand (BOD) and chemical oxygen demand (COD) were developed decades ago in order to measure organics in water. Today, these time-consuming measurements are still used as parameters to check the water treatment quality; however, the time required to generate a result, ranging from hours to days, does not allow COD or BOD to be useful process control parameters. Online Organic Carbon Monitoring allows for effective process control because results are generated every few minutes. Though it does not replace BOD or COD measurements still required for compliance reporting, it drives smart, data-driven and rapid decision-making to improve process control and optimization or meet compliances. Thanks to the smart interpretation of generated data and the capability to now take real-time actions, municipal drinking water and wastewater treatment facility operators can positively impact their OPEX efficiencies and their capabilities to meet regulatory requirements. This paper describes how three municipal wastewater and drinking water plants gained process insights, and determined optimization opportunities thanks to the implementation of online TOC monitoring.

Citation: Assmann, C., Scott, A., and Biller, D.: Online Total Organic Carbon (TOC) monitoring for water and wastewater treatment plants processes and operations optimization, Drink. Water Eng. Sci. Discuss., doi:10.5194/dwes-2017-11, in review, 2017.
Céline Assmann et al.
Céline Assmann et al.
Céline Assmann et al.

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Short summary
The time required to generate a result (from hours to days) does not allow COD or BOD to be useful process control parameters. Online Organic Carbon Monitoring (TOC) drives smart, data-driven and rapid decision-making to improve processes, since results are generated every few minutes. This paper describes how three municipal wastewater and drinking water plants gained process insights, and determined optimization opportunities thanks to the implementation of on-line TOC monitoring.
The time required to generate a result (from hours to days) does not allow COD or BOD to be...
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