Reabilitation of a wastewater treatment plant – possible environment impact

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Abstract

Romania, has declared, by the Governmental Decision nr.352/2005, all its territory as a sensitive area. This implies that, for all urban agglomerations larger than 10.000 population equivalent waste water treatment plants (WWTP) with nutrient removal must be built or upgraded. This paper presents the results regarding the possible environmental impacts expected from the project for construction of waste water treatment plant in the City of Vaslui, with main focus on surface water. This research study includes assessment methodology, project description regarding the rehabilitation and extension of the Vaslui waste water treatment plant, data related to water resources, impact assessment on water and appropriate mitigation measures. The assessment of the impacts has been performed for the construction and operational phase of the wastewater treatment plant. The construction phase was subdivided into several phases, while in the operational phase the impacts are analyzed following the line for treatment of the wastewater and effluent production, the line for sludge production and drying process, sludge disposal in safety conditions considering the provisions of 86/278/EEC Directive and the line for biogas utilization.

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  • [1] Negulescu M. - Epurarea apelor uzate orășenești Editura Tehnică București 1988;

  • [2] Perju S. - Stații de pompare în sisteme de alimentări cu apă și canalizări EdituraCONPRESS București 2009;

  • [3] Council Directive 91/271/EEC of 21 May 1991 concerning urban waste water treatment amended and completed by Commission Directive 98/15/EC on February 27 1998

  • [4] DIN EN ISO 10628 - Flow diagram for process plants - General rules (ISO 10628:1997)

  • [5] European Union Directive 2000/60/EC Framework on October 23 2000

  • [6] Government Decision no.188/2002 to approve the norms regarding wastewater discharge into the aquatic environment amended and completed by Government Decision no. 352/2005

  • [7] http://www.rowater.ro/TEST/Brosura-ape-uzate-pentru-public-2012.pdf Situation of waste waters and urban sewage sludge from waste water treatment plants in Romania - Brochure for Public - Ministry of Environment and Forests and the "Romanian Waters "National Administration Bucharest December2012

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