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Headworks Articles & Analysis
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On the other hand, if the POTW modifies their permit without sufficient industrial user communication, then permit upsets are inevitable and will result in a significant gap. POTW Concerns Headworks Analysis, influent allocations and changes in permit limits can be concerns when it comes to POTWs. ...
The water drains from the belt into a sump and returns to the facility’s headworks. In just two to three minutes, the ELODE system can double solid content. ...
Challenge The Denver Metro Wastewater Reclamation District wanted near real-time nutrient analysis for a very challenging headworks wastewater aeration process. This process consists of a combination of centrate and return activated sludge (RAS), where centrate and RAS reaeration basin (CaRRB) effluent is added to primary effluent prior to mainstream aeration. ...
This is a durable mechanical filter system suitable for remote locations. With an adjustable blade the headworks screen has minimal maintenance needs and low wear. The stainless steel headworks fine screen will last for years in the harsh environment it is exposed to. ...
The upgrade included installation of new mechanical headworks, doubling the plant capacity, upgrading treatment capabilities to produce effluent for irrigation reuse, mechanical sludge dewatering, pressurizing the outfall, and adding a septage receiving pilot facility. ...
The USBFc wastewater treatment technology was selected to meet these design objectives. Influent flows from the headworks to a flow splitter box where it is equally divided into two USBF bioreactors in parallel operation. ...
The Metropolitan District (MDC) Hartford Pollution Control facility is a state-of-the-art wastewater treatment facility that cleans up the water to the Connecticut river, as well as the region's sanitary waste streams. The lead design engineering firm was Aracadis, and the main facility also provides sludge treatment for all 3 of the MDC's satellite water pollution control ...
The addition of iron chloride to the plant headworks reduces average H2S concentrations in the digester gas to 165 ppm. ...
The system maximizes the energy recovery potential within FOG by separating it into its basic components, sending the water back to the treatment center headworks while responsibly recovering an advance biofuel without the need for additives, additional processing, blending or fossil fuels. ...
Could extend the recently added Harbourview sewers (force main) up to the new headworks(15% of the flow). Only a small sewage pump station needed to divert around 5% of the existing flows to the head of the new plant site. ...
After an assessment by the consulting engineer, the preferred upgrade option consisted of installing a second headworks screen followed by a Fluidyne ISAM™ sequencing batch reactor (SBR) to take the additional secondary flow and operate it in parallel with the existing secondary treatment process. ...
The Carlisle Regional Water Pollution Control Facility, a 7 MGD wastewater treatment facility, serves the Borough of Carlisle and portions of North Middleton, South Middleton and Middlesex Townships. Constructed in 1981, the raw wastewater enters the facility through a gravity sewer over 20 feet below grade. The raw wastewater discharges into a pump station wet well, where it is lifted to the ...
With the new treatment process, wastewater comes in through the headworks to remove all of the large particles, then goes to the primary cell, comprised of the IDEAL. ...
Greasezilla heats the FOG waste, separating it into its basic elements, sending the water back to the treatment center headworks and recovering the brown grease as an advanced biofuel. The small amount of remaining organic debris can be incinerated or disposed with traditional methods. ...
Although running it 10 hours per day lowered utilities to $4,000 per month, it was too expensive to run for the influent coming into the headworks. "In 2008. an aerator broke down and Randy McGuffin of D02K Waste Water Treatment leased a floating rnlxcr and aerator to ua for fin days," says superintendent Darlene Johnson. ...
Problem A Texas utility struggled with elevated levels of sidestream phosphorus recycled to the treatment plant headworks from the aerobic digesters. The plant had documented increased phosphorus from decant and from downstream centrate, elevating effluent phosphorus and potentially affecting permit compliance. ...
Part of a 2016 expansion project, the Elkhart Wastewater Treatment Plant improved its grit removal efficiency and wet weather capacity by installing PISTA® VIO™ Grit Chambers in existing detritor grit basins. Unlike the other technologies considered, the PISTA® VIO™ allowed utilization of existing infrastructure in addition to providing improved efficiencies and capacities. ...
Odor problems at the Missoula Wastewater Treatment Plant were so bad at one point recently, that the city received more than 200 odor complaints from the public in one calendar year and a violation from the county health department. “The nature of wastewater treatment is that there are odors,” said Gene Connell, Treatment Supervisor for the Wastewater Division in Missoula. ...
In order to deal with the surge events and protect the new downstream process equipment, the design team focused on augmenting plant headworks infrastructure. Wet weather surges would overwhelm the older Archimedes screw grit scheme, and because it was unable to keep up, it necessitated costly maintenance to clear the accumulated grit four times year. ...
With a history of sanitary sewer overflows and build-up in its primary settling tanks from poor performing headworks, reliable performance over a range of daily flows and surge events was essential. ...