WASTEWATER AERATION ARTICLES
Supplemental Aeration System Reduces High BOD Levels And Solves Odor Issues A leading fruit juice company had expanded over the past ten years and increased wastewater flow from 7,000 to 11,000 gallons per day (gpd), without upgrading its wastewater treatment plant. By Mazzei Injector Company, LLC
The Re-Habilitation Of 43 Year Old Waste Lagoons In 1967 the City of Concordia, MO built a segmented lagoon system to handle the small town’s waste requirements. By Dale Klussman
Sewer Authority Ends Plant Bypasses And Introduces Nutrient Removal With New Treatment Process
The original contact stabilization activated sludge process at the Portage Area Sewer Authority generated hydraulic limitations that required repeated bypasses during heavy rainfall. Find out how the treatment plant upgraded its secondary treatment aeration system to include nutrient removal through a nitrification/denitrification/phosphorus process and has successfully processed I&I induced surges that reached a 10-MGD peak.
Fine Bubble Aeration System Reduces Power Consumption, Saves Money
With significant increases in production, the static tube aeration system at F&A Dairy was unable to deliver sufficient oxygen to the lagoon treatment system. By Environmental Dynamics International
Meeting State Nutrient Regulations With SBRs
After the Missouri Department of Natural Resources reclassified the effluent receiving stream in the city of Sullivan, officials learned that its wastewater treatment lagoon required a more advanced treatment process to comply. They selected a continuous-flow sequencing batch reactor (SBR) system that utilizes a modified activated sludge biological treatment. The new infrastructure has provided cost-saving results for the ongoing removal of nitrogen and phosphorous.
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Aqua-Aerobic Systems, Inc.
Since 1969, Aqua-Aerobic Systems, Inc. has been a leader in the design and manufacture of wastewater treatment equipment and systems for both municipal and industrial markets, worldwide.
RWL Water Aeromix
AEROMIX Systems Incorporated has been designing and manufacturing rugged and reliable water and wastewater treatment equipment since 1987. Our company has been awarded contracts for aeration and treatment system projects with many prominent companies and organizations.
RELIANT Water Technologies
Reliant Water Technologies is a global marketing company that supplies high quality, one-of-a-kind products to the water and wastewater treatment industries.
Otterbine Barebo, Inc. Since 1952 when the first Otterbine was introduced to the market it had been engineered to operate and perform in the most difficult of environments. From the days of waste water treatment, to today when our products meet the requirements of virtually every market that has water quality management needs – we’ve continued to manufacture our products to the highest standards and implement rigorous third party performance testing.
Fortrans offers new innovative technology for wastewater aeration and other applications requiring a non-fouling method of mixing and infusing gases with water. Our patent pending Dif-Jet™ technology is versatile and scalable to meet the needs of municipal and industrial wastewater treatment operators.
Xylem Inc. is the world’s largest provider of water and wastewater treatment solutions, and a leading provider of pumps and related technologies for industrial, commercial and municipal customers
Mass Transfer Systems Since 1984, Mass Transfer Systems (MTS) has been supplying jet aeration and mixing systems to industries and municipalities throughout the world. The majority of our product consist of "engineered systems" for biological and other waste treatment processes and a variety of industrial mixing applications
KLa Systems is a company involved in making the world's waterways cleaner. We are an equipment supplier specializing in custom designed mixing and aeration technologies for biological wastewater treatment processes.
Atlas Copco Airpower Compressor Technique
Atlas Copco is an industrial group with world-leading positions in compressors, construction and mining equipment, power tools and assembly systems. The Group delivers sustainable solutions for increased customer productivity through innovative products and services.
Sulzer Pumps / ABS USA
ABS is a world-leading Sulzer brand with a long tradition in the wastewater industry. We have more than 100 years of application experience and manufacturing customer-oriented solutions using leading technology. The result is the development and supply of integrated solutions and individual products for use in wastewater collection networks and wastewater treatment.
Aerzen USA was founded in the United States in 1983, and is a wholly owned division of the German manufacturer, Aerzener Maschinenfabrik GmbH. Founded in 1864, Aerzener Maschinenfabrik is a recognized world leader in the production of rotary positive displacement machines since 1868.
A common first step in the secondary treatment process is to send wastewater to an aeration tank. In an aeration tank, bacterium is used to effectively break down pollutants into less harmful components. Wastewater aeration provides the appropriate oxygen level so that aerobic bacteria can thrive in degrading pollutants such as iron and manganese as part of the wastewater treatment process. Aeration can also be used to destroy anaerobic bacteria that perish in the presence of oxygen. Aerobes that can break down pollutants 10-100 times faster than anaerobes are used most frequently.
Aeration is also used to improve waste lagoons and other waterways such as lakes and reservoirs where oxygen deficiency contributes to taste, odor and pollutant problems. Equipment used for wastewater aeration includes low cascades, jet fountains, spray nozzles, blowers, submerged perforated pipe and porous plates or tubes. Whether the water is thrown into the air via a fountain or diffused by air bubbles being blown or drawn into the wastewater in an aeration tank, aeration works by increasing the area of contact between the oxygen in the air and water.
The most common wastewater aeration process in use today is the air diffusion process, where air is introduced from blowers through diffusion tubes suspended in a spiral flow tank, or in some cases, through diffuser plates in the bottom of the aeration tanks.