activated sludge treatment system Articles
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Bio-Microbics RollsAIR New Aeration System
The RollsAIR Extended Aeration System is an Activated Sludge Treatment system utilizing an aerobic wastewater treatment process It is designed to be a simple, low-cost, robust system of its type. The complete RollsAIR system uses the MyTEE in the "headworks" zone to screen trash and settle grit. The MyTEE screen deflects non-soluble solids to stay in the vault. All non-biological screened and ...
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Genome-scale metabolic modeling to provide insight into the production of storage compounds during feast–famine cycles of activated sludge
Studying storage metabolism during feast–famine cycles of activated sludge treatment systems provides profound insight in terms of both operational issues (e.g., foaming and bulking) and process optimization for the production of value added by-products (e.g., bioplastics). We examined the storage metabolism (including poly-β-hydroxybutyrate [PHB], glycogen, and triacylglycerols ...
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Fixed activated sludge treatment (FAST®) process technology overview
Biological treatment systems for small communities and even single-family dwellings have been available in the general water pollution control market for many years. These systems are basically scaled-down versions of the activated sludge process, utilizing suspended growth systems. Historically, the main operational problem associated with these systems has been the management of the sludge ...
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Black and Graywater: An overlooked environmental issue
Scienco/FAST, a manufacturer of marine sewage devices (MSD) based in St. Louis, Mo., has installed nearly 5,000 of its MSD units aboard towboats, tugs, offshore supply vessels, diving support vessels, pilot boats, containerships, tankers, bulk carriers, cruise ships, and many more types of vessels all around the world. The company has more than 50 years of research, development and real-world ...
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Wondering which MBR brand to choose? Here are five strong arguments to consider PHILOS Megaflux MBR
MBR is rapidly gaining popularity in the wastewater treatment industry due to the rise of enclosed spaces, tougher wastewater disposal policies, and lower membrane prices around the world. MBR has revolutionized the way we handle wastewater, offering several benefits over conventional activated sludge treatment systems, such as a smaller footprint, higher-quality effluents, lower sludge demand, ...
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Energy reduction in activated sludge - Case study
Owner: Available by request. Contact Medora Corporation 866-437-8076 or info@medoraco.com System Overview: This is an activated sludge wastewater system that serves a city of approximately 16,000 residents. The North basin (see above photo) is the main reactor basin where aeration is supplied for mixing. The North basin covers 1.74 surface acres with an operating depth of 13.5 ft. The system ...
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Start-up of upflow anaerobic sludge blanket reactor at brewery case study
Start-up Seed Sludge Augmented Using Microcat - UASB BioBlend Problem The commissioning of a new wastewater treatment system consisting of an upflow anaerobic sludge blanket reactor (UASB) can be slow and expensive. In this case the UASB is followed by an aerobic activated sludge treatment system at a brewery.The system is located in a rapidly growing part of Asia. Wastewater Parameters: ...
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Decentralized Wastewater Treatment
An application used worldwide, now growing in US to address the needs of small communities and developments Conventional sewer operations managed by small communities provide centralized treatment of wastewater of which residents are accustomed. But the expense of operating these systems as they expand with miles and miles of sewer lines is staggering. Expanding sewer line infrastructure, ...
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Smart Packaged Treatment Key to Decentralization
Scalable, efficient Smart Packaged solutions bring treatment to exactly where it’s needed. Because of technical innovations, advanced wastewater treatment and desalination can be delivered to exactly where they’re needed The idea of decentralized wastewater treatment is nothing new if you think about it. Consider septic tanks in rural areas. Small-scale desalination was even ...
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Aerobic Treatment Plant for Poultry Processing Effluent
Without stopping production, Fluence upgraded a major poultry producer's wastewater treatment to meet discharge limits A large poultry processing plant in Brazil was relying on an outdated aerobic lagoon wastewater treatment system that was unable to meet new government effluent standards. Without interrupting production, Fluence converted it into an activated sludge wastewater treatment system ...
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GEM + MBR - Catering Water Recycle - Case Study
Introduction An in-flight catering and commissary terminal (SATS) was in need for a more advanced wastewater treatment system, as their current wastewater treatment solution was inefficient and did not meet discharge requirements. CWT and its partners developed a solution which allowed ATS to not only treat their water to reduce discharge costs, but also allowed water re-use as well. Challenge ...
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How Chemicals Are Used in Wastewater Treatment
There are many different steps to process wastewater, but one of the most important is using the chemical dosing system. This system involves a chemical feed station delivering a chemical substance into sewage, sludge, and foul water. Pumping systems like these at wastewater treatment plants usually consumes between 10% and 15% of the plant’s energy, making this process a significant part ...
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Biodegradation of PPCPs in wastewater treatment plants - a Danish case study
The non-restricted production and use of pharmaceuticals and personal care products (PPCPs) has led to their presence in effluents from treatment plants, which can pose a threat to aquatic organisms downstream. This study analysed the breakdown of six common chemicals in four Danish treatment plants. The findings shed new light on the factors affecting removal of PPCPs from waste, showing that ...
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Reinbeck, Iowa; SBR - Sequencing Batch Reactor - Case Study
Fluidyne's SBR Provides 99% Removal of Organics for WWTP, While Demonstrating Low Operating Costs and Low Sludge Production. Grade 3 Sequencing Batch Reactor (SBR) System Easier to Operate Than Grade 2 Extended Air System Predecessor. Client: Reinbeck, Iowa Solution: SBR - Sequencing Batch Reactor Background: Reinbeck, IA—A special sequencing batch reactor (SBR) system, ...
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Sludge Treatment and Disposal Technologies
Most wastewater treatment processes produce a by-product that purifies wastewater before it is released into local waterways. This by-product is named as sludge. Typically in solid, semi-solid or liquid state, it is in fact an amalgamation of all the liquid wastes that are discharged by domestic houses, commercial properties, industry, and/or agriculture after aerobic biological treatment. ...
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Minimal Site Disruption with RetroFAST - Case study
Installer: Carleton Environmental Services, Inc. in conjunction with L&S Water Technologies, Inc. Location: Ontario, Canada Rob Sanna, technical advisor for L&S Water Technologies, was contacted by a homeowner in September 2003 to provide maintenance and pump out for a 14-year-old conventional septic system utilizing a sand drain fi eld. The system was bleeding out, creating small ponds ...
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Case study - drain field renovation with RetroFAST
Engineer: Dick Bartel, Point One Engineering Distributor: Frank Hay, Pinnacle Environmental Technologies, Inc. Location: British Columbia, Canada Dick Bartel approached Frank Hay in mid August 2002 looking for alternatives for repairing a neighbor’s biologically-failing conventional septic system. Bartel had originally looked into replacing the entire soil absorption system with a ...
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Dubai labor camp not worried about water - Case study
Installer: Jallad Environmental Distributor: Clearbrook, Inc. With water scarcity as a major concern for the MENA region, the need to reuse wastewater became a major focus for a project located in the labors camp region of Dubai. Consisting of a fluctuating occupancy (between 4,000 to 6,000 workers throughout the year), a decentralized wastewater system was determined to be the best course of ...
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Lap of Luxury
In 2007, the Malibu Beach Inn underwent a multimillion-dollar renovation that included a new onsite system to comply with regulations. Situated on Billionaire’s Beach in downtown Malibu, Calif., the 47-room hotel abuts the Pacific Coast Highway, one of the busiest thoroughfares in the nation. The designer of the onsite system, John Yaroslaski, P.E., of Ensitu Engineering Inc. in Morro Bay, ...
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The sequencing batch reactor as an excellent configuration to treat wastewater from the petrochemical industry
In the present study, the influence of a changing feeding pattern from continuous to pulse feeding on the characteristics of activated sludge was investigated with a wastewater from the petrochemical industry from the harbour of Antwerp. Continuous seed sludge, adapted to the industrial wastewater, was used to start up three laboratory-scale sequencing batch reactors. After an adaptation ...
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