sewage treatment unit Articles

  • World Water Magazine: Tackling Wastewater Treatment Odors and Hydrogen Sulfide Emissions in the Middle East

    With round-the-year hot temperatures, wastewater treatment facilities in the Middle East have to deal with a wide-range of odor challenges. In addition, high-levels of hydrogen sulfide emissions can be problematic due to excessive heat, and potentially be dangerous to plant employees and neighboring residences. With summertime temperatures often above 100 degrees Fahrenheit, sewage also ...


    By OMI Industries (OMI)

  • 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 ...

  • 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: € ...

  • Sewage treatment plant

    BONO ARTES has developed an activated sludge process called BIOCLAR, which is a great technological step forwards compared to conventional methods. A large part of civil and industrial installations, especially in developing countries, is located in remote and secluded areas where there is no possibility for connection to a public sewer. On the other hand, the minimisation of the impact on the ...


    By Artes Ingegneria SpA

  • 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. ...

  • 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

  • Monitoring the oxygen content in bio-methane-to-grid supply

    Orbital utilise the EC91 ATEX oxygen analyser from Systech Illinois to accurately monitor the oxygen content in the purified bio-methane gas prior to it being injected into the national grid gas network In September 2010, Orbital installed the gas monitoring and treatment plant on the UK’s very first large-scale bio-methane-to-grid production facility. This site was designed specifically to ...


    By Systech Instruments Ltd

  • 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: ...

  • 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 ...

  • Kemicond - Improvement of the Dewaterability of Sewage Sludge by Chemical Treatment

    The Kemicond process for sludge conditioning consists of a chemical treatment with sulphuric acid and hydrogen peroxide at a pH-value around 4 followed by a dewatering unit. It is shown that through the chemical treatment of ferruginous digested sludge the dewaterability, measured in laboratory experiments as CST-value, can be improved. From the results of the experiments, it is concluded that ...

  • 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

  • Gatineau Sewage Treatment Plant, Gatineau, Quebec, Canada

    Project No. 1 Industrial Boiler Application A FLU-ACE waste heat recovery system installed to process all flue gases from three boilers. The system recovers up to 3.5 mmBTU/h of waste heat which is re-used for heating the digester sludge. The main fuel for the boilers is recycled methane based sewage gas generated from the plant’s anaerobic digesters. 'The installation ...

  • Case study: Large package sewage treatment plants with MBR technology in Africa

    In 2014 DEVISE ENGINEERING S.A. participated in an International Tender to Design and Build seven (7) advanced MBR Package Sewage Treatment Plants for “A.A.W.S.A” (Addis Ababa Water and Sewage Authority) and won the project over strong competition. The aim was to provide an efficient and cost effective solution for the treatment of sewage originating from the new decentralized ...


    By DEVISE ENGINEERING S.A.

  • Analysis and occurrence of typical endocrine-disrupting chemicals in three sewage treatment plants

    Seven typical endocrine-disrupting chemicals (EDCs), including bisphenol A (BPA), 4-tert-octylphenol (OP), estrone (E1), estradiol (E2), 17α-estradiol (17α-E2), estriol (E3) and 17α-ethinylestradiol (EE2) in wastewater, were simultaneously determined with gas chromatography–mass spectrometry (GC–MS). Samples, including influents, effluents and wastewater of different unit processes, were taken ...


    By IWA Publishing

  • Treatment of sewage sludge using super critical water oxidation-an up date

    Supercritical water oxidation (SCWO) is an innovative, economic and incredibly effective destruction method for organic wastewater and sludge and is a realistic alternative to conventional methods. From 1998 to 2007 extensive evaluations of the destruction of sewage sludge by SCWO were performed by Chematur Engineering AB on two state of the art pilot plants. These units had capacities of 250 ...


    By SCFI Group Limited

  • Anaerobic sewage treatment technology in Latin America: a selection of 20 years of experiences

    From the early introduction of Anaerobic Sewage Treatment, AST, technology to Latin America 20 years ago to now, the technology has become a viable alternative to provide affordable sanitation to the region. The engineering community has learned to identify and manage the main risks factors of the technology, namely: odor emissions, material corrosion, scum removal and low treatment performance ...

  • ON-SITE SEWAGE SYSTEMS: NEW OUTLOOK FOR DECENTRALIZED WASTEWATER TREATMENT

    As researchers analyze the soils’ ability to absorb discharge, more knowledge is gained about alternatives to septic tanks and standard drain fields that include peat filter systems, constructed wetlands and drip irrigation. ONE out of every four American households currently treat and release wastewater on their own property. Although most people assume that on-site systems are confined to rural ...


  • Case study - Odor treatment in a ventilation shaft of a sewage tunnel

    Bioconservacion’s distributor for municipal biogas and odor applications in Turkey, Biotek Ltd, has recently won a tender for Izmir’s municipal authority IZSU to supply equipment and media for odor abatement coming from a ventilation shaft of a sewage tunnel. These shafts, also known as airshafts or vent shafts, are passages used in different applications such as mines ...


    By Bioconservacion SA

  • Case Study: Sandy Balls Leisure Centre: Sewage Treatment Plant

    A customer with a tough application for a Positive Displacement RAS (Return Activated Sludge) Pump was experiencing high maintenance with the existing submersible unit, requiring lifting of the pump every 3-4 weeks, usually due to solids blockage. NOT a pleasant task regularly lifting from raw sewage! Triangle replaced it with a self-priming Boerger Rotary Lobe Pump. A useful feature of the ...


    By Triangle Ltd

  • Dissolved-air flotation associated with an anaerobic reactor, as applied to sewage treatment

    This paper presents the results of a study performed with a pilot sewage treatment plant consisting of an aerobic reactor followed by a flotation unit. To coagulate the anaerobic effluent, different ferric chloride dosages were applied by adopting two approaches: applying constant dosages during the essay and varying the dosages according to the anaerobic effluent turbidity. To obtain more than ...


    By Inderscience Publishers

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