Performance indicators for wastewater treatment plants |
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Authors: | Balmér P Hellstr?m D |
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Affiliation: | VA-strategi AB, ?stersn?sv?gen 16, M?lndal, Sweden. peter.balmer@telia.com |
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Abstract: | The Swedish Water & Wastewater Association has operated a web-based system, VASS, for the collection and compilation of key data from the Swedish water utilities since 2003. The VASS system will now be expanded to include data on operation of individual wastewater treatment plants (WWTP). The objective is to provide performance indicators (PIs) for performance and economy and the use of resources such as energy, chemicals and manpower. A set of PIs has been developed that also includes explanatory factors to compensate for differences in the condition of operation between plants. This paper discusses the data required for the calculation of PI but also for explanatory factors, quality checks and for plant operation context. The discussion is based on the experiences from a test round with the participation of 24 WWTP. |
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