municipal wastewater Articles

  • Wastewater treatment for a municipality

    Description of the plant At first, wastewater is pre-treated by a combinated sand and fat trap before further treatment is affected by a special screen. The accruing particles are collected in anti-septic plastic bags to avoid any personal contact because of hygienic reasons. Based on the high varying hydraulic amount of wastewater, an aerated mixing and balancing reactor is ...

  • Municipal wastewater treatment plant

    Location: Kitimat, B.C. Owner: Kitimaat Village Council Description: Conceptual and detail process design of a 300 m3/d rotating biological contactor treatment plant incorporating primary solids removal, flow equalization, influent pumping, secondary clarification, sludge holding tank, control building, treated effluent pump station, and a ...


    By NovaTec Consultants Inc.

  • Pyrethroid insecticides in municipal wastewater

    Pyrethroids are widely used insecticides, but there is minimal published information on their presence in municipal wastewater in the United States. Pyrethroids in wastewater from the Sacramento, California area, consisted of permethrin, bifenthrin, cypermethrin, and cyhalothrin with a combined concentration of 200–500 ng/L. Sampling within the wastewater collection system leading to the ...


    By John Wiley & Sons, Ltd.

  • Wastewater Treatment Municipality Of Saint-Claude

    In Quebec, the municipalities must make sure that their rejections of sewerachieve the goals applied to the receiving medium. The Rotating BiologicalReactor (RBR), developed by the biological processes division of H2OInnovation, showed its effectiveness during more than one year testingproject, which contribute to the obtaining of the Standard Technology (CF-1) certification allowed by the Quebec ...


    By H2O Innovation

  • Sustainable Treatment and Reuse of Municipal Wastewater

    The uncontrolled disposal to the environment of municipal, industrial and agricultural liquid, solid and gaseous wastes constitutes one of the most serious threats to the sustainability of the human race by contaminating water sources, land and air, and by its potential contribution to global warming. With increasing population and economic growth, treatment and safe disposal of wastewater ...


    By IWA Publishing

  • Cellulose recovery from municipal wastewater

    During Aquatech 2015 the Dutch technology developer Brightwork set in the spotlight the recovery of cellulose from waste water. The project Cellulose Assisted Dewatering of Sludge (CADoS) aims at separating cellulose fibres from toilet paper from waste water using finescreening technology. After separation the fibres serve as a filter aid for effective dewatering of biological sludge. The ...

  • The MIEX® Technology for Municipal Wastewater Treatment

    The MIEX® Technology is designed for the removal of dissolved organic carbon (DOC). Until recently, the commercial application of the MIEX® Technology has been limited the treatment of potable water from surface or ground water bodies. The MIEX® Process is now being evaluated for application in municipal wastewater applications. An example of this is the use of the MIEX® Process for the treatment ...


    By IXOM Watercare

  • Reduced Emissions for Landfill Gas Installations

    The use of landfill gas as a source of renewable energy is increasing. For environmental and safety reasons, the owners of the waste storage sites have to strictly monitor and control the construction, operations, and emissions generated. Sulzer offers solutions to control these emissions within the limits given by the government. Landfill gas is similar to natural gas, but it is created by ...


    By Sulzer

  • White Paper: Cyclical Aeration Control- Combining Aerobic & Anoxic Conditions in One Basin

    Increase Water Quality with Cyclical Aeration With increased effluent pollution restrictions on municipal wastewater treatment plants, cities are pressed to find ways to economically increase their effluent quality with little to no funding. Many new NPDES permits ...

  • Seven Ways Your Facility Isn’t Meeting Effluent Regulations and How to Solve Them

    Whether you own, operate, or help manage a municipal or industrial facility that deals with wastewater, it’s important to understand how wastewater treatment can play a significant role in the overall health of your business, especially when it comes to meeting effluent regulations. This is an important part of the wastewater treatment process to consider, as ignoring it could earn your ...


    By SAMCO Technologies, Inc.

  • Full scale municipal implementations of the Agar IFAS process for municipal wastewater treatment

    Wastewater treatment plant retrofits worldwide are motivated by two main developments: a. Changes in effluent quality regulations, either to more stringent BOD/TSS requirements, or to include nutrient (N and P) removal b. Increase in flows to existing plants, due to either population growth or to expansion of sewerage systems One process capable of giving a cost-effective solution for these two ...

  • Recycling of Municipal Wastes in Agriculture. II. Irrigation of Corn with Treated Municipal Wastewater

    Abstract Restriction of available water observed in the last years in arid or semiarid areas forces the planners to consider any source of water for irrigation. The purpose of this paper was to investigate the suitability of wastewater produced by the treatment plant of the city of Larissa, Central Greece for irrigation of corn. With a three year's field experiment it was shown that wastewater ...


  • Treatment of municipal wastewater by membrane bioreactor: a pilot study

    The operational performance of a submerged hollow fibre Membrane Bio-Reactor (MBR) for treatment of municipal wastewater on pilot scale was investigated. The experimental results indicated that the removal efficiency for SS, COD, NH4-N, turbidity, bacterium, iron (Fe2+) and Manganese (Mn2+) was 100%, 94.5%, 98.3%, 99.7%, lg6, 99%, 92.3%, respectively. The water quality of the effluent was quite ...


    By Inderscience Publishers

  • Pretreatment of Municipal Wastewater by Enhanced Chemical Coagulation

    The efficiency of existing municipal wastewater treatment plants has been affected by the increase of incoming organic load caused by the expansions in developing countries. In the present investigation, the effect of Chemically Enhanced Primary Treatment (CEPT) process was studied on the enhancement efficiency of a municipal wastewater treatment plant in ...


    By University of Tehran

  • Drivers for and against municipal wastewater recycling: a review

    The reclamation, treatment and reuse of municipal wastewater can provide important environmental benefits. In this paper, 25 studies on this topic were reviewed and it was found that there are many (>150) different drivers acting for and against wastewater recycling. To deal with the challenge of comparing studies which entailed different research designs, a framework was developed which ...


    By IWA Publishing

  • Cost Trends of MBR Systems for Municipal Wastewater Treatment

    Cost estimates were developed for full-scale (1 and 5 MGD) MBR facilities designed to treat municipal wastewater. These estimates included both capital and operational / maintenance (O&M) costs related to the headworks, MBR process (biological process and membrane system), chlorine disinfection and effluent storage. The costs associated with the membrane systems were developed from budgetary cost ...

  • CH#831 - Municipal Wastewater Treatment Plant

    Introduction The Wastewater Treatment Plant is a rotating biological contactor treatment process preceded by bar screening, grit removal and primary settling. Subsequent to the secondary treatment process, the flow stream enters a chlorine contact tank and then goes to the receiving stream. The program study was started on March 4th. The objectives were a recovery from filamentous infestation, ...


    By BIO-SYSTEMS International

  • A primer on energy efficiency for municipal water and wastewater utilities

    This primer is concerned with energy use and efficiency of network-based water supply and wastewater treatment in urban areas. It focuses on the supply side of the municipal water cycle, including the extraction, treatment, and distribution of water, and collection and treatment of wastewater-activities which are directly managed by Water and Wastewater Utilities (WWUs). The main challenges to ...


    By IWA Publishing

  • Risk assessment of treated municipal wastewater reuse in Sicily

    In Italy, the restrictive approach for treated wastewater reuse in agriculture has led to some difficulties in promoting this practice. In order to assess the health risk associated with the use of wastewater in agriculture, an experiment was conducted in an open field near the constructed wetland (CW) system of San Michele di Ganzaria (Eastern Sicily), during the irrigation seasons ...


    By IWA Publishing

  • Treatment of unpleasant odors in municipal wastewater treatment plants

    The purpose of this paper to present a case study on how to address the odor problem from secondary sources within a municipal wastewater treatment plant (WWTP) by first identifying the locations of the problem and second by evaluating alternative treatment technologies. The WWTP of Chania is a typical 100,000 equivalent inhabitants-facility in a warm semi-arid environment which is located close ...


    By IWA Publishing

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