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Process Benchmarking in Drinking Waterworks in Germany

The 'water production process� summarizing resources management, water catchment and treatment is a key process in the water supply chain. During 2005 to 2008 a new bottom-up approach was developed and tested, allowing a detailed performance (cost, quality, sustainability) analysis on the process level and accounting for differing water resources, treatment schemes and assets. During subsequent projects some additional functions of the IWA performance indicator model for water supply (Alegre et al., 2006 [1]) have been supplemented on the process level, e.g. processes in water networks.

Detailed process analysis for water production has been achieved by a newly developed process model and PI system in 2008 that corresponds to the existing IWA PI system. Important and new features are different aggregation levels of data analysis and clustering methods that allow detailed comparisons of performance by analysing efficiency and effectiveness of water production with regard to the process objective, independent of its engineering. The article provides an overview on methodical supplements in the process model concerning water networks, automation and control and shift operating schemes. The enhanced process model and PI system including results in effectiveness in utilisation of resources and capacities, staff requirements, energy consumption and treatment costs are illustrated.

Copyright:	© Vulkan-Verlag GmbH
Quelle:	GWF International 2010 (August 2010)
Seiten:	7
Preis:	€ 7,00
Autor:	Dipl.-Volksw. Andreas Hein Dr.-Ing. Wolf Merkel
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