package wwtp 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

  • AERZEN is helping a WWTP to reduce its energy usage

    Intelligent air supply for wastewater treatment plants The wastewater treatment plant at Rheda-Wiedenbrück is currently testing a brandnew control concept for AERZEN blower technology - the AERsmart control combination. Modernisation work at the wastewater plant began in 2013. The citizens of the Rheda-Wiedenbrück region, as well ...

  • The Effects of Bioaugmentation in Collection System on WWTP Operations

    In 2004 the wastewater treatment plant in the Town of Orange Park had a very unique problem. The Town was in violation of the current Water Quality Based Effluent Limits (WQBEL) permit while they were simultaneously planning for the even more stringent, Basin Management Action Plan (BMAP) permit to take effect in 2008. The Town needed to address both long and short term wastewater treatment ...

  • 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

  • Benchmark simulation models, quo vadis?

    As the work of the IWA Task Group on Benchmarking of Control Strategies for wastewater treatment plants (WWTPs) is coming to an end, it is essential to disseminate the knowledge gained. For this reason, all authors of the IWA Scientific and Technical Report on benchmarking have come together to provide their insights, highlighting areas where knowledge may still be deficient and where new ...


    By IWA Publishing

  • Modeling Fixed Film Processes: Practical Considerations and Current Limitations from a Consulting Viewpoint

    ABSTRACT Fixed film technologies such as integrated fixed film activated sludge (IFAS), moving bed bioreactors (MBBR), biological aerated filters (BAF) and denitrification filters are gaining popularity in the United States for a number of reasons. As a result, there is a renewed desire to model these processes, particularly for consulting engineers interested in designing these processes. ...

  • Ship repair company case study

    The Problem: One of the largest ship repair company’s existing wastewater treatment plant was overloaded and undersized to effectively treat the wastewater pumped to the facility from Cruise Liners being repaired by the shipyard. The Solution:  BioprocessH2O supplied an equipment package to retrofit ...


    By BioprocessH2O

  • Industrial Palmyra, Wisconsin, US case study

    Project Name: Standard Process WWTP Location: Palmyra, Wisconsin Type of Plant: Industrial - Food Processing Supplier: Environmental Health and Safety Products (EHS) Technology Used: Biowater (IFAS) CFAS Biomedia Used: BWT-X Operational Since: 2009 ...


    By Biowater Technology

  • The Role of Decision Making Software in Effective Selection of Project Alternatives

    ABSTRACTConducting an alternative analysis study for a public works project can be a difficult process considering that the alternative selected for design and construction must be fully embraced by the project owners and the public. A successful study can position the project for successful implementation and broad public support, while a poor study can create uncertainty for the project. The ...

  • Reduced Sludge Production in BNR Systems: Reality or Myth?

    This paper compares the performance of a pilot Modified Ludzack Ettinger (MLE) process treating degritted municipal wastewater, with full-scale activated sludge plants at two towns in Southern Ontario, namely Listowel and St. Marys. At Listowel, the MLE process achieved superior effluent quality compared to the full-scale extended aeration system at a total bioreactor HRT of 20 hours versus 48 ...

  • Asset Management Implementation Using Teams Software

    ABSTRACTEarly in 2005, the City of Fergus Falls, MN made the decision to implement an “Advanced Asset Management Program.” The objective of the first phase of the program was stated as: “Operation and maintenance of the Wastewater Treatment Plant and Collection System assets in a sustainable and cost-effective manner (least cost) while providing the required level of services for both present ...

  • Microturbines, Gas Engines Link Biogas to the Grid

    OPPORTUNITIES to produce electricity from methane are being improved continuously as manufacturers introduce new and upgraded equipment to address market needs and varying characteristics of raw biogas. In the renewable energy from organics recycling arena, the two primary types of electricity generation equipment are microturbines and reciprocating gas engines. This article provides a brief ...


    By BioCycle Magazine

  • Real Time Control of the Sewage System in St Malo

    Saint-Malo is an extremely attractive and popular seaside resort on the north coast of Brittany in France. Covering 1,400 hectares, the local population of 50,000 increases to 120,000 in the tourist season. One of the distinguishing features of this part of the Channel coast is a very high tidal range – 14 meters from low to high, with a potential impact back through the sewer network. Combined ...


    By Innovyze

  • High-Flow odor control news - Case Study

    Summary Casa Grande, AZ – Plant and operations management at a 6 mgd wastewater treatment plant (WWTP) and water reclamation facility (WRF) here report elimination of odor complaints through installation of a 9000-cfm biofiltration system. The selection of the biofiltration technology instead of an initially planned wet chemical scrubber option ...


    By Biorem Technologies Inc.

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