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This paper deals with the measurement problem on activated sludge process for industrial wastewater treatment. For an efficient monitoring of the process, frequent measurement update is essential but can not be realized with standard methods which are time consuming. In order to reduce the required time to obtain a measurement and easily data for modelling or observation validation, several correlations between main measurements have been established: BOD21 vs. BOD5, BOD5 vs. CODs, VSS vs. TSS and TSS vs. CODp. All the results have been collected on a semi-industrial pilot process provided with a real paper-mill effluent. [ABSTRACT FROM AUTHOR]

The purpose of this work is to contribute, through better supervision, to improve the efficiency of a specific wastewater biological treatment plant of the Matussière and Forest Group. This paper presents the design of a dynamical model of the aeration tank, which allows to anticipate treatment difficulties. Given the great complexity of the process, an urban model established by the European action COST 624 has been adapted to the industrial treatment station. The simulation results, compared with measurements taken directly on the industrial site demonstrate that this approach is available. [ABSTRACT FROM AUTHOR]