Title: Dynamic Mass Balancing for Wastewater Treatment Data Quality Control Using CUSUM Charts
Language: English
Authors: Spindler, Andre 
Vanrolleghem, Peter A. 
Category: Original Research Article
Issue Date: 2012
Journal: Water Science and Technology 
ISSN: 0273-1223
Mass balancing is a widely used tool for data quality control in wastewater treatment. It can effectively detect systematic errors in data. To overcome the limitations of the mean balancing error as a measure of data quality, a well established method for statistical process control (the CUSUM chart) is adopted for application on the error vector of balancing data. Two examples show how time periods with stable low mass balancing errors can be detected by the method. The detectability of such time periods depends on the variability of the balancing error which is an important measure for the precision of the data.
Keywords: data quality control; fault detection; mass balancing; statistical process control
DOI: 10.2166/wst.2012.125
Library ID: AC15357759
URN: urn:nbn:at:at-ubtuw:3-5646
Organisation: E226 - Institut für Wassergüte und Ressourcenmanagement 
E226-01 - Forschungsbereich Wassergütewirtschaft 
Publication Type: Article
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