sewer cleaning system Articles

  • Gully and overland modeling during extreme events

    Consultants JBA have been involved in modeling gully and overland flows during extreme events as part of the Interreg IIIB NWE (North West Europe) ’urban water’ project, which is being undertaken by Renfrewshire Council in Scotland. Research for this project was commissioned following flooding in 1994 and 1999. The project takes a strategic look at urban flood risk management on a large scale, ...


    By Innovyze

  • Robust decentralized wastewater treatment for small communities…FAST®

    For many small and medium communities, centralized or conventional sewer options are technically complicated and/or are often the expensive choice for managing wastewater treatment. As the demand for water reaches critical levels for most areas around the world, decentralized treatment systems are becoming increasingly popular by returning treated water back to the local environment.  ...


    By Bio-Microbics, Inc.

  • Fine screens help New Jersey wastewater treatment plant stop rag and grease problems

    A few years ago the Hammonton Wastewater Treatment Plant, located in the lush green countryside of southern New Jersey, faced continuous problems with rags, trash and plastics passing right through a rusty old bar screen and into the oxidation ditch and final clarifier.After years spent unclogging pumps, clearing out trash and untangling the UV system – plant managers decided to find a better ...


    By JWC Environmental

  • Characterization of the potential impact of retention tank emptying on wastewater primary treatment: a new element for CSO management

    Theoretical studies have shown that discharges from retention tanks could have a negative impact on the WWTP's (Wastewater Treatment Plant) effluent. Characterization of such discharges is necessary to better understand these impacts. This study aims at: (1) characterizing water quality during emptying of a tank; and (2) characterizing the temporal variation of settling velocities of the waters ...


    By IWA Publishing

  • Stormwater: Questions and Answers

    The whole subject of Stormwater is complicated. Here's a chance for you to check out some of the most frequently asked questions about stormwater . . . and their answers. What is an NPDES (National Pollutant Discharge Elimination System) permit? The Clean Water Act prohibits anybody from discharging 'pollutants' through a 'point source' into a 'water of the United States' unless they ...


    By Ben Meadows

  • WaReg protects homes from flooding in Sweden - Case Study

    Location: Backaryd, Sweden Customer: Backaryds Vattenverk Problem: Backaryd Water Treatment plant backwash their filters regularly. During this process water is released into the town sewer network at a rate of 16 l/s. The towns sewer network is dimensioned to cope with 5 l/s so when it receives 16 l/s it becomes problematic for downstream residents. When the backwashing occurs, homes in ...


    By Wapro AB

  • Measurement of flow velocity profiles in tank structures using the prototype device OCM Pro LR

    Generally, studies investigating the treatment efficiency of tank structures for storm water or waste water treatment observe pollutant flows in connection with conditions of hydraulic loading. Further investigations evaluate internal processes in tank structures using computational fluid dynamic (CFD) modelling or lab scale tests. As flow paths inside of tank structures have a considerable ...


    By IWA Publishing

  • The Monitoring and Pre-treatment of Brewery Trade Waste Prior to Discharge: Carlton & United Brewery

    Carlton United Brewery installed a Trade Waste Monitoring System to analyse the temperature, flows, pH and chemical compounds in their trade wastewater. This cleaner production initiative was a licensing condition of the Northern Territory's Power and Water Authority (PAWA). As a result of the pretreatment, CUB is able to discharge their brewery wastewater to sewer. Background ...


  • Detergent and Fabric softener producer - case study

    Application A detergent and fabric softener producer in the Central United States had numerous waste-water disposal issues resulting from the bottling of fabric softeners and detergents. Wastewater Description The wastewater contained diluted fabric softener, anionic detergents and wash-down waters from bottling change-overs. The waste stream also contained ...


  • First State-funded cleanup using electrical resistivity heating technology

    The Remediation and Redevelopment Division (RRD) completed remediation at a former dry cleaning facility in the city of Owosso using electrical resistivity heating (ERH) technology. Electrical resistivity heating is an in­situ electrical heating technology that uses electricity and applies it into the ground through electrodes. The resistance of the electricity traveling through the ground ...


    By TRS Group, Inc.

  • Geotextiles in Construction Dewatering

    Woven geotextiles work wonders in dewatering applications as wraps around well screens and sump pit screens. The textile can be sewn into sleeves or tubes to be slid over the well screen or sump pit framework. This technique allows the user to compensate for well screens with slots that are too large or for sump pit piping with large perforations. By adding the geotextile sleeves the user ...

  • Integration of thermo scientific Sample manager lims and CSOLS remote sampler at northern Ireland water delivers enhanced audit trail, significant time and cost savings

    Northern Ireland Water (formerly Water Service) is the sole provider of water and sewerage services in Northern Ireland. It is a Government Owned Company (GoCo) set up in April 2007 to provide the water and sewerage services in Northern Ireland. There are approximately 795,000 domestic, agricultural, commercial and business properties in Northern Ireland connected to the public water supply and ...

  • Metal treatment facility eliminates wastewater

    The Facility A specialty metals facility located in Euclid, Ohio rolls, forms, cuts and presses specialty metals for the aircraft and aerospace, auto and electrical industries. This plant specializes in high value molybdenum and tungsten, as well as copper parts. The Problem As a result of the metal rinsing processes in the facility discharged water into ...

  • Dewatering of Industrial Sludge - Case Study

    At Ten Cate Protect, town of Nijverdal, The Netherlands, 2006 During the wastewater treatment process at Ten Cate Protect large quantities of sewage sludge are liberated. A couple of days per week this sludge is transported in tanker trucks to a waste disposal plant. On June 14th 2005 a Geotube MDS unit was put in operation at Ten Cate Protect to separate and condense the sludge of the aerobic ...

  • A Quick Solution: Modular Waste Water Treatment

    Rust corrodes materials and may lead to impurities. As a result, there is a demand across most sectors for components that are protected against corrosion. Cantin SA, headquartered in Domdidier in Switzerland, specializes in the metalworking of rust-proof materials. The company produces complete products and individual components for many different sectors, from medical technology through the ...


    By EnviroChemie GmbH

  • Today’s fuel cell and cell phone of water and wastewater treatment

    Human waste and the health problems associated with it have been with us since the beginning of time. These problems increased at the point in history when we started using water to clean things. About 3,300 B.C., we began using it to move human waste to a different location from where it originated, further complicating the issue. Wastewater treatment didn't really begin until we started ...


  • Solar grease trap aerator works day and night

    Solar Grease Trap Aeration Systems were developed to solve Odor and Water Quality Problems. Solar Grease Trap Aeration Systems will remove and avoid odor problems while also improving overall water quality without the need for Chemicals, Bacterias, and /or Ozone. This allows the restaurant owner to become more effective and efficient immediately. They can pay off the investment within 1-6 ...


  • Green machine takes new tangent on wastewater reuse

    The idea came to Jason Snydmiller while he was on the island of Borneo. At the time, Snydmiller had learned that the super-major – one of the six largest non-state-owned energy companies – he was under contract to would promptly fine any contractor that left oil in local waters. Although it seemed callous then, the rule was essential, since locals depended on the water for fishing and prawn ...


  • Ecoprocess Sequencing Batch Reactor (SBR) - Municipality of L’Orignal, ON, Canada

    Customers: Municipality of L’Orignal, ON, Canada, Ontario Clean Water Agency (OCWA) The Ontario Clean Water Agency (OCWA) is a Crown Agency of the Province of Ontario in the business of providing safe and reliable clean water services. OCWA provides operation, maintenance and management services for over 500 water and wastewater treatment facilities and their associated distribution ...


    By Premier Tech Aqua

  • Evaporator Limits Boron to 5 PPM at award-winning chemical plant

    Problem: The biggest challenge confronting Rohm & Haas Corp. in building a wastewater plant for its chemical facility in Elma, Wash., was meeting Washington State Dept. of Ecology limitations on boron of 5 ppm. The Elma plant manufactures sodium borohydride, a versatile chemical used in a variety of applications ranging from the generation of sodium hydrosulfite for reductive bleaching of ...


    By Oil Skimmers, Inc.

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