sewage flow Articles

  • Effective monitoring improves sewage flow management case study

    SmartScan 50 introduces an effective solution for flow measurement of sewage water in one of Poland's municipal waste water treatment plant. The city of Zblewo, Poland provides waste water treatment services to its inhabitants. The plant sought an ultrasonic measurement solution for monitoring the raw sewage flow during the treatment process. The problems When entering the ...

  • Development of a down-flow hanging sponge reactor for the treatment of low strength sewage

    The process performance of a down-flow hanging sponge (DHS) reactor for treating low strength sewage (biochemical oxygen demand (BOD) 20–50 mg/L) was investigated in Bangkok, Thailand. The hydraulic retention time (HRT) was set at 4 h during the start-up period and was reduced to 1.5 h in a stepwise manner. Throughout the 300-day operational period, the DHS reactor shows high performance ...


    By IWA Publishing

  • Southeast Georgia sewage treatment

    Problem: A WWTP in Southeast Georgia located on a resort island has a 3 million gallon per day flow. The WWTP was experiencing major odor problems at the head of the plant, as well as poor digestion and settling of bio-solids in the SBR’s and aerobic digesters. The odors were primarily H2S and were the source of numerous complaints from the residents living in the vicinity of the WWTP. The plant ...


    By BluePlanet Labs

  • 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. ...

  • 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 ...

  • AVFM 5.0 area-velocity flow meter monitors sewage lagoon discharge flow

    The Township of South Glengarry in Eastern Ontario discharges continuously from their 72,000 m3 sewage lagoon. But they ran into flow measurement problems when their magnetic flowmeter was unable to detect seasonal low flow rates. Operations Manager, Shawn Killoran selected a Greyline AVFM 5.0 Area-Velocity Flow Monitor because it was simple to install in a horizontal discharge pipe from the ...


    By Greyline Instruments Inc.

  • Climate change a threat to sewage systems

    Many cities could face problems with their sewage in the future. A research study for Stockholm shows that a change in precipitation, combined with a population increase, could bring disruptions as early as the middle of the century. Climate change could put more pressure on the sewage systems in the future. Climate scenarios indicate critical factors such as increased volumes of rain and rising ...

  • Venting your Sewage Treatment System

    The venting for the BIOROCK Sewage Treatment System is probably the key point of the system. The venting is specific to your site; again, why we emphasize the service of a certified recommended installer to install the BIOROCK Sewage Treatment Plant correctly. BIOROCK Venting Guidelines However, there are some simple tricks to follow in order that the continuous draft of air necessary to ...


    By BIOROCK S.à.r.l

  • Combination of up-flow anaerobic sludge blanket reactor and a novel cascade sponge reactor for sewage treatment

    Performance of the combined process of up-flow anaerobic sludge blanket (UASB) reactor and cascade sponge reactor (CSR) for sewage treatment was studied. UASB-CSR system was operated at HRTs of 24 h, 16 h, and 8 h at an average wastewater temperature of 29°C. It comprises of the most efficient combined process not only for CODT (98.9%), BODT (98.5%), TSS (99.3%), total nitrogen (89.1%), total ...


    By IWA Publishing

  • Performance of a single stage vertical flow constructed wetland system treating raw domestic sewage in Brazil

    This study investigated the behaviour of two intermittently fed vertical flow constructed wetlands (one planted with Tifton 85 and the other unplanted) working in parallel, treating raw municipal sewage in Brazil for a population equivalent around 100 inhabitants. Based on a monitoring programme of over 2 years, the following items were evaluated: influence of batch frequency and the presence of ...


    By IWA Publishing

  • 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

  • Mononov provides stormscreen solution to sewage problem

    The installation of a Mono Stormscreen unit now allows the incoming raw sewage to be thoroughly screened at storm level, ensuring large solids are retained in the main flow to treatment and that the stormwater discharge from inlet meets consent requirements. The Stormscreen is designed to provide a self-cleaning, self-powered alternative to existing mesh screens for handling storm overflows. ...

  • Case study - Odour control in sewage treatment plants

    Controlling the emission of unpleasant smells in sewage treatment plants is a priority objective for plant managers in ensuring the welfare of their workers and minimising the impact of such facilities on the surrounding area. Bioconservacion has the solution for dealing with the emission of ...


    By Bioconservacion SA

  • Exergoeconomic assessment of a municipal primary and secondary sewage treatment

    This paper presents the exergoeconomic analysis and assessment of a municipal primary and secondary sewage treatment systems. Operation of an existing municipal sewage treatment plant is described in detail and an exergoeconomic methodology based on SPECO method is provided to allocate cost flows through subcomponents of the plant. The system treats nearly 222,000m³ domestic wastewater per day by ...


    By Inderscience Publishers

  • Infographic: Sewage treatment upgrade at remote historic site

    A celebrated historic site in Scotland needed to upgrade its sewage treatment plant, it was essential to make sure the work was carried out to the highest possible standards. The new system had to be able to cope with a huge influx of visitors a day in the height of summer, but to be as low impact, discreet and environmentally friendly as possible. Frequent power cuts, a remote location and ...


    By WPL Ltd

  • Temporary sewage treatment plant for Scottish water at Glenluce

    WPL have a range of portable sewage treatment solutions that can be utilised to replace or augment existing sewage treatment plant. The plant range can be hired or purchased. WPL have considered each stage of the sewage treatment process within their portable range. Primary, secondary and tertiary options are available to meet stringent consent conditions. Background In ...


    By WPL Ltd

  • One Forcemain – Multiple Sewage Pumping Stations

    The sewage collection system for the community of Port Perry Ontario includes several sewage pumping stations conveying wastewater to the existing aerated sewage lagoons for treatment.  Initially the system originally included two sewage pumping stations pumping from the Community directly to the lagoons; the Water Street Pumping Sewage Station and the Cawker’s Creek Sewage Pumping Station. ...

  • Purification of domestic sewage by water-hyacinth (Eichhornia crassipes)

    Sewage management is posing serious techno-economic problems in cities, particularly in developing countries. A new technology, sewage purification by water-hyacinth (Eichhornia crassipes), is a possible solution. This paper studied the suitability and effectiveness of water-hyacinth in treating domestic sewage. A 28-day experiment was performed under a controlled environment of a screen-house ...


    By Inderscience Publishers

  • St. Angela`s sewage treatment plant

    Address: St. Angela's College, Co. Sligo Client: St. Angela's College/ Dept. Of Education Engineer/Client Contact Details: Jennings O'Donovan & Partners, Finisklin, Sligo David Kiely, Ph: 071 9161416 0 Completion Date: November 2000 Population Equivalent: 250 P.E. Value: ...

  • Pumping wells & sewage lines case study

    Dorset Council - Bioremediation of Sewerage System The Dorset Municipality situated in the North East of Tasmania covers an area of 3196 km2. It comprises 14 townships, 10 water schemes and reticulated sewerage schemes for its two largest townships, Scottsdale and Bridport. Their populations are 1922 and 1234 respectively. Bridport’s population increases to approximately 6000 over ...


    By Cleveland Biotech Ltd.

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