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Rapid on-line method of wastewater parameters estimation by electronic nose for control and operating wastewater treatment plants toward Green Deal implementation
In order to comply with legal regulations related to wastewater quality, the operational mode of
facilities at wastewater treatment plant (WWTP) should be properly adjusted according to parameters
of influents, however it is very difficult without frequently performed measurements. Currently there
are known many techniques and devices for assesment of wastewater parameters such as chemical
oxygen demand, biochemical oxygen demand, total organic carbon, as well as phosphorus and
nitrogen compounds. In spite of the far reaching improvements of treatment process automatisation,
there still isn’t developed a automatic and fast measuring system of wastewater parameters. Rapid
on-line method of wastewater parameters estimation by electronic nose and computer simulations
could be recomended as an alternative solution in many WWTPs in comparation with traditional
approch. Within this paper the analysis of real-time data obtained from laboratory bioreactor were
used to estimate wastewater parameters in order to develop the inexpensive and fast-responding
measuring for the WWTPs. The elaborated method enables continuous and relatively low cost
monitoring of the wastewater quality even in many key points of operating and control WWTP. In
this context, computer simulation support with on-line e-nose measurments could be cheap and
useful tool to improve the WWTP efficiency.
