WASTEWATER AERATION ARTICLES
Meriden, Connecticut Upgrading To More Effective Aeration
Located in New Haven County, Connecticut, in the eastern USA, the wastewater treatment plant in Meriden has a design inlet flow of 43,911 m3/day (11.6 mgd) with a maximum inlet flow of 143,386 m3/day (38.0 mgd). Upgraded in the 1960s and 1980s, the plant has been in existence since the 1800s.
Disc Aerators Replace Brush Aerators, Increasing Capacity And Performance
To comply with new EPA rules and handle additional flow, the City of St. Charles Missouri WWTP required a capacity increase, and the landlocked plant needed a solution that would fit within its existing footprint. Brush aerators and boat clarifiers were replaced with 12 VLR-mounted disc aerators to fulfill the oxygen requirement while allowing for the treatment of higher organic loading. The solution provided increased nutrient-removal capacity and improved efficiency without increasing tank volume.
KLa Slot Injector Aeration System For CFAS Process Touch Panel Manufacturing Plant Wastewater Treatment
The plant manufactures touch panel and polarizer which are materials for LCD assemblies. Since the manufacturing process is a semiconductor process, the wastewater contains large quantities of organic solvent from developers, strippers and rinse liquid waste. By KLa Systems
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
Mazzei AirJection® Aeration System Installed In Alabama Field Erected WWTP A design/build contractor needed a quiet, efficient aeration system for a 250,000 GPD field erected WWTP. This plant was to be located adjacent to a school. A restriction on ambient noise at the location of the proposed WWTP required a quiet aeration process. By Mazzei Injector Company, LLC
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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.