P.E Articles

  • Putrajaya WWTP, Phase I & II, Kuala Lumpur

    Design capacity of 300 000 P.E (phase 1) and 600 000 P.E. (phase II) DEWACO Supplied full package for the sludge dewatering comprise of: 2 nos. BT2025 + 2 nos.SP16L (each hydraulic capacity 45m3/hr), along with peripheral equipment for Phase I Project completion: 1998 2 nos. BT2525 + SP 21L(each hydraulic capacity 64m3/hr), along with peripheral equipment for ...


    By Dewaco Ltd

  • Putrajaya WWTP, Phase I & II, Kuala Lumpur CSS

    Design capacity of 300 000 P.E (phase 1) and 600 000 P.E. (phase II) DEWACO Supplied full package for the sludge removal system of: 4 nos. Chain & Flight type sludge and scum collectors and 4 nos. scum pipes (each 62m long and 9m width) for Phase I Project completion: 1998 10 nos. Chain & Flight type sludge and scum collectors and 10 nos. scum ...


    By Dewaco Ltd

  • Cost comparison of wastewater treatment in Danubian countries

    This paper investigates the costs of wastewater treatment (including sludge management) within the Danube catchment countries A, CZ, SK, HU, SL, RO, BG and UA. TK is considered as well. Additionally, the paper compares the total costs of wastewater management (including sewerage) with the incomes in the different countries. The annual costs of wastewater treatment in Austria are about 30 €/p.e. y ...


    By IWA Publishing

  • Sewage Treatment Plants Brazil - Case Study

    Sewage treatment in Brazil at small footprint with BIOPAQ®UBOX In Brazil four full-scale BIOPAQ®UBOX sewage treatment plants have been realized and one is under construction in 2011. The operational experiences and performances of the plants at the municipalities of Tupi (5,000 p.e.) and Igaraçu do Tietê (25,000 p.e.) are good. ...


    By Paques B.V.

  • Fabric Cover Puts Lid on Odor Emission Problems

    The Escambia County Utilities Authority (ECUA) of Pensacola, Fla., was experiencing odor emission problems at its 20 mgd Main Street Wastewater Treatment Plant, which is only two blocks from Pensacola city hall and the regional office of the Florida Department of Environmental Protection. According to Stephen Holcomb, P.E., Water Reclamation Director at ECUA, an 85 foot diameter gravity ...


  • Organic matter stabilization in reed bed systems: Danish and Italian examples

    In this study, results about sludge stabilization in reed bed systems (RBSs) after the entire period of operation in two different systems situated in Denmark (Helsinge 42,000 population equivalent (p.e.) – 10 years) and in Italy (La Fontina, 30,000 p.e. – 6 years) were presented. In order to evaluate the process of sludge stabilization, parameters that highlighted the biochemical ...


    By IWA Publishing

  • Cyclic activated sludge technology

    Cyclic activated sludge technology was selected for the Potsdam Wastewater Treatment Plant (90,000 p.e.). The cyclic activated sludge facility comprises four modules integrated into two circular basins. Construction was commenced in February 1998 with seeding of the plant for start up taking place in October 1998. Process performance has been met since Spring 1999 at 80-90 ...


    By Water Experts Germany

  • Alpha Septic Tank 2800 litre serving a 2-bedroom cottage – Kent

    Site Description 2- Bedroom cottage, Kent RequirementsA basic septic tank to cater for waste produced from 2-bedroom (maximum 4-persons: P.E equivalent), one shower / bath, single sink, washing machine. Installation dateJune 2005 Product Alpha Septic Tank 2800 litre NotesBeing a ...


    By Kingspan Environmental Ltd

  • BA BioDisc treatment plant serving a 3-bedroom farmhouse – Cumbria

    Site Description3- Bedroom farmhouse, Cumbria RequirementsA packaged sewage treatment plant to cater for waste produced from 3-bedrooms (maximum 6-persons: P.E equivalent), one shower / bath, single sink, washing machine. Installation dateJan 2006 ProductBioDisc BA NotesThe client ...


    By Kingspan Environmental Ltd

  • Use of Mass Balances for the Determination of Oxygen Contribution of the Different Air Sources in a Full-Scale Membrane Bioreactor

    MBRs necessitate two sources of aeration: one for scouring the membranes (coarse bubble, CB) and the other for the biomass requirements (usually fine bubble, FB). In the framework of a in-depth study of a full scale municipal MBR plant (10 000 p.e.) where CB and FB are in the same tank (Biosep®), mass balances were used to determine the OTR of the different combinations of CB+FB at different air ...

  • Environmental assessment of two small scale wastewater treatment systems: SBR vs CAS

    European Water Directive 91/271/EEC introduced a series of measures aimed at protecting sensitive areas against the emission of nutrients originating from waste water treatment plants. There are, however, environmental costs associated with achieving the required level of water quality, such as greenhouse gas emissions resulting from energy consumption. The goal of this study is to assess ...


    By IWA Publishing

  • French vertical-flow constructed wetland design: adaptations for tropical climates

    The French Outermost Regions are under tropical climate yet still have to comply with both French and EU regulations. French vertical-flow constructed wetland systems appear well adapted to the technical specifics of these regions but their adaptation to tropical climate requires new design guidelines to be defined (area needed, number of filters, type of plants, material to be used, etc.). A ...


    By IWA Publishing

  • Housing lusk, temporary sewage treatment plant

    Address: Lusk, Fingal, Co. Dublin Client: MMD Consortium (Three House Building Companies) Engineer/Client Contact Details: Michael Fitzpatrick, Fahy Fitzpatrick Consulting Engineers, 2057, City West Campus, Naas Road, Dub 24. Ph: 01 4030171 Completion Date: Ongoing Population Equivalent: 8,000 P.E. On ...

  • Mountbolus sewage treatment plant

    Address: Mountbolus Village, Co. Offaly Client: Offaly Co. Co. Engineer/Client Contact Details: Sanitary & Environment, Offaly Co. Co., County Buildings, Tullamore, Co. Offaly David Hogan S.E.E, Ph: 0506 46800 Completion Date: March 2000 Population Equivalent: 400 P.E. Value: € ...

  • Ballyroan sewage treatment works

    Address: Ballyroan Co. Laois Client: Laois County Council Engineer/Client Contact Details: Neil Delaney, Nicholas O'Dwyer, Consulting Engineers, Carrick House, Dundrum Centre, Dub 14. Ph: 01 2984499 Completion Date: September 2003 Population Equivalent: 800 P.E. Value: € 197,000 ...

  • Carbon footprints of Scandinavian wastewater treatment plants

    This study estimates the carbon footprints of 16 municipal wastewater treatment plants (WWTPs), all situated in Scandinavian countries, by using a simple model. The carbon footprint calculations were based on operational data, literature emission factors (efs) and measurements of greenhouse gas emissions at some of the studied WWTPs. No carbon neutral WWTPs were found. The carbon footprints ...


    By IWA Publishing

  • Shillelagh sewage treatment works

    Address: Shillelagh, Co. Wicklow Client: Wicklow County Council Engineer/Client Contact Details: Sean O'Neill S.E.E, Environment & Sanitary Section, Wicklow Co. Co., County Buildings, Wicklow. Ph: 0404 20100 Completion Date: September 2001 Population Equivalent: 8,00 P.E. ...

  • Full-scale wastewater treatment plant simulation for real-time optimization

    A dynamic simulation model has been developed and validated for the 1.4 million p.e. capacity Budapest Central Wastewater Treatment Plant to support intensification, process development and risk assessment. By the integration of both the biological and physico-chemical processes the technological design of separated units becomes possible as well as the exploration of the connections within ...


    By IWA Publishing

  • Kinetic study of compost liquor nitrification

    This study is a first kinetic approach about the compost liquor treatment by activated sludge. This industrial wastewater is highly loaded in organic and nitrogen compounds (COD≈12,000 mg L−1 and NH4+-N≈4,000 mg L−1). The possibility of its treatment in an urban WWTP is studied measuring ammonia oxidation rate with non-acclimated sludge to the industrial effluent. Compost liquor appears as an ...


    By IWA Publishing

  • Removal of endocrine disrupting compounds from wastewater treatment plant effluents by means of advanced oxidation

    Municipal sewage and WWTP effluents are considered to be a major source of pollution, regarding the occurrence of endocrine disrupting compounds (EDCs) in the environment. Although removal potential of many EDCs by conventional WWTPs is recognised, literature data are not easily comparable. Besides, in order to reach very low concentrations, a further treatment might be sometimes required. ...


    By IWA Publishing

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