headworks Articles

  • Headworks Screening for Smaller Plants

    Water treatment facilities in smaller towns and villages, as well as treatment works supporting institutions, prisons, resorts or remote facilities, have difficult choices to make when selecting a headworks system. All require a solids control strategy, but lower flows and smaller budgets limit the available equipment options. A number of different types of equipment can be used to meet these ...


    By JWC Environmental

  • WOW-Air Eliminates Headworks H2S

    Summary FreshAWL was invited to the Mel Leong Industrial Waste Treatment Plant (MLTP) to introduce FreshAWL® WOW-Air™ for the purpose of better resolving their high levels of aerobic H2S at the treatment system head-works with a green sulfide scavenger. The MLTP and the San Francisco Public Utilities Commission (SFPUC) were researching cleaner and more effective alternatives to ...


    By FreshAWL, LLC

  • Rock Box Protects Headworks at Kansas City, Missouri Blue River Wastewater Treatment Plant

    Kansas City Missouri Water Services Department operates the 105 mgd Big Blue River Wastewater Treatment Plant (WWTP) serving combined and separate sanitary sewers on both sides of the Missouri River in Kansas City. Heavy grit inundation from the Combined Sewer System (CSS) was impacting the screen house and aerated grit/pre-aeration basins at this facility. Alternatives were considered for ...

  • FlowShark Pulse Exceeds Stringent Operations Requirements for Accuracy

    Camp Pendleton, CA - The Camp Pendleton Marine Corps Base in northern San Diego County commissioned its new wastewater treatment plant in mid-2006. This new plant will consolidate flows from the other three treatment plants on the base over a period of about three years. The new plant’s headworks configuration made continuous metering of total influent flows to the plant difficult. Therefore, the ...

  • Wastewater Treatment Plant, City of Marionville, MO

    Marionville is located in Lawrence County, MO. This town in America’s Heartland is tucked in Missouri’s southwest corner, less than 50 miles from Kansas, Oklahoma and Arkansas. The burgeoning tourist destination of Branson, MO lies in the bordering Stone County. Marionville has a population of roughly 2,140. The waste water treatment plant required a new Headworks system as part of a general ...

  • Mendocino case study

    As representatives of a small community, the Mendocino City Community Services District administrators felt strongly that they needed to deliver terrific wastewater treatment value at the lowest cost for their taxpayers. But they knew they needed to make a change, as their existing wastewater treatment system left unwanted solid accumulations at numerous points throughout their 1MGD treatment ...


    By Aqualitec Corp.

  • 3k-tellerette packing-hclremoval-crossflow-scrubber-302

    A number of sources in the wastewater treatment process such as the headworks, aeration tanks, settling tanks and dewatering press can produce high-intensity odors from gaseous sulfide emissions. The most common sulfides arehydrogen sulfide (H2S) and methyl mercaptan (CH3SH.)The highlighted installation was for a major municipality in the southeast and utilizes our new high efficiency 3-K ...

  • Innovative approach to centrate nitrification accomplishes multiple goals: nitrogen removal and odour control

    In 2001, the City of Phoenix, Arizona (USA) committed to the conversion of the existing high-rate anaerobic digestion process at the 8.9 m3/s 91st Avenue Wastewater Treatment Plant (WWTP) to a multi-phase process (acid/methane, mesophilic/thermophilic) to optimise existing digestion capacity and achieve Class A biosolids. The improved solids reduction is anticipated to double the ammonia load in ...


    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 ...

  • 3-K-Series Tellerette® Packing for HCl removal in a Crossflow Scrubber

    A number of sources in the wastewater treatment process such as the headworks, aeration tanks, settling tanks andd ewatering press can produce high-intensity odors fromgaseous sulfide emissions. The most common sulfides are hydrogen sulfide (H2S) and methyl mercaptan (CH3SH.)The highlighted installation was for a major municipalityin the southeast and utilizes our new high efficiency ...

  • 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.

  • Vivianite Heat Exchanger removal trial case study

    On the vivianite-laden heat exchangers, the maintenance supervisor created a recirculation circuit and diluted JS 9325 to a fifty percent (50%) solution. They recirculated the diluted solution for 48 hours while raising the temperature of the solution to 110F. Upon opening the first heat exchanger, they observed a purple solution following by a half-inch (½”) sheet of vivianite ...


    By Struvite Removal

  • The Role of Activated Sludge Solids in an Actiflo® System

    ABSTRACTThis research was conducted using jar tests to investigate the impact of adding activated sludge solids to the Actiflo® process, a high-rate clarification (HRC) system, to increase BOD removal in HRC systems treating raw wastewater during periods of high wet-weather flows (WWF). A study of dosages and impacts of ferric sulfate, polymer, microsand and activated sludge on performance of the ...

  • Fairplay, CO - case study

    The Challenge The Fairplay Sanitation District was challenged in meeting their ammonia permit limits and wanted a process that would produce a stable effluent in a small footprint. Influent water temperatures were regularly recorded in between 6°C and 10°C. Due to these cold temperatures, nitrification was not being achieved on a consistent basis. Additionally, the District had to ...

  • Al Bustan, Saudi Arabia - Case Study

    Olayan Voltas Chooses IMS Biological Odor Control Systems to Protect the 2013 Sustainable GCC Project-of-the-Year from Odors Olayan Voltas Contracting Company was awarded the 2013 “Sustainable GCC Project-of-the-Year” by MEP Middle East magazine for the utility complex at Al Bustan Village, a brand new residential community north of Riyadh, Saudi Arabia. The new community ...


    By Integrity Municipal Systems

  • HD Q-PAC® Bio-media Eliminates Odors at Mt. Dora, Florida Water Reclamation Plant. System Very Responsive to H2S Surges

    The water reclamation plant at Mt. Dora, Florida had an odor problem at the headworks collection well. Several pump stations in the community send their water to this location. The discharge of the various lines is random. At times one line may be discharging water while other lines are idle. At other times multiple lines are discharging. There are periods of no water discharge at various times ...


    By Lantec Products, Inc.

  • Case study - Daphne utilities water reclamation facility

    With significant TSS and BOD reductions from their Salsnes Filter system, Daphne Utilities has restored previously lost plant capacity. More than that, loading reductions have cut back aerator maintenance and lowered energy consumption of blowers. Project Background Daphne Utilities, situated on the eastern shore of Mobile Bay in Alabama, provides water, sewer and natural ...

  • The Italian Job

    Open loop systems abstract groundwater from one or more boreholes. Heat is either extracted or added by the primary refrigerant loop, and the water is returned to a separate well or body of water. The supply and return lines need to be placed far enough apart to ensure thermal recharge of the source. The key issues for open loop systems relate to borehole yields, licensing and, most importantly, ...


    By Geoquip Water Solutions

  • Activated Sludge Diffusion Provides Cost Effective Biological Odor Control at Two Texas Wastewater Treatment Facilities

    ABSTRACTDuring recent expansions of the Rowlett Creek Regional WWTP in Plano, Texas and the Wilson Creek Regional WWTP in Lucas, Texas, activated sludge diffusion (ASD) biological odor control systems were installed to treat hydrogen sulfide (H2S) and other gaseous compounds. The ASD systems treat foul air collected from various sources, including headworks and primary distribution structures, ...

  • Best Management Practices as Alternative Control Strategy, Securing Public Acceptance and Support

    ABSTRACTBest management practice (BMP) programs for commercial and industrial dischargers of fluoride and molybdenum were considered and developed as an alternative to numeric industrial pretreatment limitations (local limits). This project, which encouraged the active participation of affected dischargers, was based on technical evaluations of the relative effectiveness of different control ...

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