compact clarifier Articles

  • Tax Credit Tips For Biogas Projects

    With the end of 2016 in plain view, anaerobic digestion (AD) projects in the development phase should examine what has to happen by December 31 in order to tap into available federal tax credits. Under current law, Section 45 of the federal tax code makes AD projects eligible for a Production Tax Credit (PTC), which can be converted into an Investment Tax Credit (ITC), if the projects are used to ...


    By BioCycle Magazine

  • Feasibility of UASB/trickling filter systems without final clarifiers for the treatment of domestic wastewater in small communities in Brazil

    The paper analyses the concept and performance of different configurations of compact UASB/TF systems, without the final clarification stage, in relation to the removal of organic matter. The experiments were carried out in two sets of UASB/TF systems operating without secondary clarifiers, as follows: (i) four shallow (2.50 m height) TFs, each one filled with a different packing material; and ...


    By IWA Publishing

  • Delphi research assessment for popularising Compact Fluorescent Lamps in India

    In continuation of our earlier work on popularising a seemingly perfect illumination technology, i.e. the compact fluorescent lamp (CFL), a Delphi study was undertaken with experts in lighting technology, backed with an intense focus group interaction to settle divergences and discordances noticed earlier, when the authors had recommended an aggressive implementation of the prescription for ...


    By Inderscience Publishers

  • Energy Usage and Control at a Membrane Bioreactor Facility

    Membrane bioreactor (MBR) treatment has come of age in the United States, and is now considered for advanced treatment on facilities of 15 mgd and more. It offers the advantages of high clarity effluent without secondary clarifiers or filters, and the capability to perform in a very compact layout and configuration. As utility agencies consider MBR treatment, they may tend to overlook its high ...

  • Hodder WTW - Actiflo for Cryptosporidium removal

    United Utilities 83-week Programme 112,000 m3/day Max Flow The Client United Utilities are the 2nd largest water company in England / Wales. They are responsible for an area in the north west of the UK, which includes major cities such as Manchester and Liverpool. The Client's Needs ...


  • Ulpha WTW - Actiflo for Crypto and Mn Removal

    United Utilities Maximum flow 22037 m3/day The Client United Utilities are the 2nd largest water company in England and Wales, responsible for an area in the north west of the UK including major cities such as Manchester and Liverpool. The Client's Needs Ulpha WTW is located near Millom in Cumbria in the Lake ...


  • Sutton Hall WTW - Actiflo for Crytpo and Mn removal

    United Utilities Maximum flow 127 000 m3/day The Client United Utilities are the 2nd largest water company in England and Wales, responsible for an area in the north west of the UK including major cities such as Manchester and Liverpool. The Client's Needs Sutton Hall is one of the largest treatment works ...


  • Monroe Scrubbing System provides halide recovery at a major glass products plant

    Challenge A glass manufacturing plant was having trouble cleaning the emitted gases, particulate, and odors that resulted from its manufacturing process. Metallic Halides such as SnCl4 and TiCl4 were being applied to hot glass to impart special properties. The halide and oxide emissions were hazardous, extremely pungent, irritating in odor, and very difficult to scrub. ...

  • Adapting to new challenges: IDSS for emergency preparedness and management

    In order to manage risks, emergency planning and preparedness procedures are currently in use. The advent of Information Technology (IT) in the field of emergency management opened vast possibilities for the development of Integrated Decision Support Systems (IDSS). They are designed to perform calculations, make risk representation, fully interact with stakeholders, and assist in communicating ...


    By Inderscience Publishers

  • Heard County Water Authority - Holistic approach - Case Study

    Location: Franklin, Georgia Owner: Heard County Water Authority Engineer: Hayes, James, & Associates Contractor: P.F. Moon Outdated Equipment The Heard County Water Authority serves over 380 connections in and around Franklin, Georgia. With a growing population, Heard County was beginning to  exceed the capacity of the existing wastewater treatment ...


    By WesTech Engineering, Inc.

  • Evaluation of an emerging water treatment technology: ceramic membranes

    Historically, low-pressure membranes (microfiltration (MF) and ultrafiltration (UF)) used in potable water treatment are made of polymers (polysulfone (PS), polypropylene (PP), polyethersulfone (PES), polyvinylidene fluoride (PVDF) etc). Recently, membranes made of ceramic materials (aluminium oxide) have been developed by MetaWater (Japan), Kubota (Japan) and others and is being marketed in the ...


    By IWA Publishing

  • Elucidation of Exopolysaccharide Isolated from a Dow Wastewater Treatment Facility

    ABSTRACT A UNOX wastewater treatment facility in a Dow Chemical site has experienced major operational challenges as a result of a microorganism producing copious amounts of slime in the activated sludge flocs believed to be involved in viscous bulking. Viscous bulking within the clarifying basin causes the rake arms to freeze due to high sheer stress, resulting from poor compaction and ...

  • Manic 5 and Manic 5 PA (Hydro Québec), Quebec case study

    Part of an hydroelectric complex counting four dams, Manic 5 and Manis 5 PA are two power houses installed in the valley of the Manicouagan river, north of Québec. Unveiled in 1970, this plant represents the higher multiple-arch and buttress dam in the world. For the Manic 5 and Manic 5 PA sanitary water treatment, Hydro-Québec mandated the Groupe-conseil TDA to find a compact ...


    By H2O Innovation

  • 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 ...

  • 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

  • CH#830 - Bioaugmentation Improves Performance of Brewery Waste Treatment Plant

    Introduction This packaging plant finishes 'heavy' beer, a liquid concentrate, into the well-known canned and bottled products. The plant handles 50,000 barrels per week and generates over 350,000 gallons of wastewater per day. Wastes are treated at the plant's 0.5 MGD waste treatment facility which operates under a standard discharge NPDES permit. Waste beer is the main constituent of ...


    By BIO-SYSTEMS International

  • Assessomg the Performance of Secondary Settling Tank by Means of Flow Modeling

    ABSTRACTA model of the double-decker rectangular settling tanks proposed for the Wastewater Treatment Plant of Besòs in Barcelona, Spain was prepared using Computational Fluid Dynamics (CFD). The modeling approach used was a three dimensional, multi-phase simulations with solids transport and removal included, and reflected the state of the art in clarifier modeling. Special attention was paid to ...

  • Saving Energy and Improving Quality - Case Study

    Location: Melville, New York Owner: Newsday Inc. Engineer: Phase 1: Cameron Engineering Phase 2: H2M (Holzmacher, McLendon & Murrell) Contractor: Newsday Inc. & Benson Construction and Development Stringent Effluent Requirements Located in Melville, NY, Newsday Inc. provides a daily newspaper for the metropolitan area of Long Island. More than 30 ...


    By WesTech Engineering, Inc.

  • New treatment plant to feature ceramic membranes

    The Parker Water and Sanitation District (PWSD) in Colorado has contracted for a membrane treatment system for its Rueter-Hess water treatment plant project. The new plant will treat water from the Rueter-Hess Reservoir (RHR), which is being built three miles southwest of downtown Parker on Newlin Gulch, which is a tributary drainage of Cherry Creek. The reservoir and associated treatment plan ...


    By PennWell Corporation

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