Process auditing and performance improvement in a mixed wastewater-aqueous waste treatment plant

Water Science and Technology : a Journal of the International Association on Water Pollution Research
Maria Cristina CollivignarelliSilvestro Damiani

Abstract

The wastewater treatment process is based on complex chemical, physical and biological mechanisms that are closely interconnected. The efficiency of the system (which depends on compliance with national regulations on wastewater quality) can be achieved through the use of tools such as monitoring, that is the detection of parameters that allow the continuous interpretation of the current situation, and experimental tests, which allow the measurement of real performance (of a sector, a single treatment or equipment) and comparison with the following ones. Experimental tests have a particular relevance in the case of municipal wastewater treatment plants fed with a strong industrial component and especially in the case of plants authorized to treat aqueous waste. In this paper a case study is presented where the application of management tools such as careful monitoring and experimental tests led to the technical and economic optimization of the plant: the main results obtained were the reduction of sludge production (from 4,000 t/year w.w. (wet weight) to about 2,200 t/year w.w.) and operating costs (e.g. from 600,000 €/year down to about 350,000 €/year for reagents), the increase of resource recovery and the improvement of the ...Continue Reading

References

Nov 13, 2007·Journal of Hazardous Materials·S RenouP Moulin
Nov 26, 2008·Water Science and Technology : a Journal of the International Association on Water Pollution Research·O GonzálezS Esplugas
Sep 3, 2011·Environmental Technology·Rui C MartinsRosa M Quinta-Ferreira
Feb 24, 2015·Environmental Technology·Maria Cristina CollivignarelliGiorgio Bertanza
Mar 10, 2015·Water Science and Technology : a Journal of the International Association on Water Pollution Research·M C CollivignarelliR Pedrazzani
Mar 10, 2015·Water Science and Technology : a Journal of the International Association on Water Pollution Research·Sabrina SorliniMassimo Raboni

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Citations

Jul 25, 2020·Water Environment Research : a Research Publication of the Water Environment Federation·Michael Sweeney, John Kabouris
Apr 23, 2021·Environmental Monitoring and Assessment·Marina Salim DantasSílvia Corrêa Oliveira

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