Floating HYPERCLASSIC®-Mixing and Aeration System conquers Swedish industrial plants

These facilities are specifically designed to address the challenges associated with wastewater treatment and require efficient aeration technologies.

In Sweden, lagoon wastewater treatment plants are widely utilized for treating wastewater from the pulp and paper industry. However, traditional aeration technologies such as surface aerators, membrane aerators, and submerged aerators often encounter issues such as underutilization of volume, poor circulation, and high maintenance requirements. The HYPERCLASSIC®-Mixing and Aeration System is the solution to these challenges by being mounted on a floating platform, enabling aeration close to the bottom and ensuring effective mixing of wastewater through high turbulence.

The adoption of the HYPERCLASSIC®-Mixing and Aeration System has resulted in significant improvements in treatment performance at wastewater treatment plants within the global process industry. Notable enhancements include increased mixed volume, extended mixing range, and improved sludge quality. Additionally, the system’s flexibility and robustness contribute to reduced maintenance costs.

(1) One example involves the replacement of a membrane aeration system in a Swedish industrial wastewater treatment plant with a lagoon capacity of approximately 50,000 m3. By utilizing the HYPERCLASSIC®-Mixing and Aeration System, aeration
performance increased by approximately 30% without the need for additional blowers. This led to reduced maintenance costs and overall more efficient wastewater treatment.

(2) In another case, a Swedish industrial wastewater treatment plant replaced three surface aerators with just one HYPERCLASSIC®-Mixing and Aeration System in 2021 This resulted in consistent dissolved oxygen concentrations near the shore. Maintenance requirements decreased significantly, with only an oil change needed every two years. The system’s flexibility allows for adjustments in aeration capacity or switching to agitation mode without aeration to prevent sludge deposits on the lagoon floor. Figure 1) shows a schematic comparison of the aeration performance at a water depth of 5 meters.

(3) In the north of Sweden, an industrial wastewater treatment plant retrofitted its lagoon with six mixing and aeration systems and two mixing systems to accommodate higher production volumes. Consequently, some surface and submersible aerators previously in use were decommissioned.

The HYPERCLASSIC®-Mixing and Aeration System is mounted on a floating steel platform, with an optional maintenance platform for easy access during oil changes. Connected to a compressed air supply, the system does not require any other fixed or high-maintenance equipment in the tank. Installation on land and subsequent lifting into the lagoon are straightforward, as depicted in Figure 3. Once secured in place and connected to the process air, the system can be put into operation.

The meticulously planned design facilitates straightforward installation on land and seamless lifting into the lagoon afterward, as illustrated in Figure 3.

Lastly, the Floating HYPERCLASSIC®-Mixing and Aeration System is securely positioned as intended, connected to the process air (refer to Figure 4), and put into operation.

INVENT’s extensive expertise in wastewater treatment is evident in the successful deployment of the Floating HYPERCLASSIC®-Mixing and Aeration System. Engineers in Erlangen consistently develop comprehensive solutions tailored to meet specific needs. The production of these systems primarily utilizes regional materials and services. Since its inception in 2019, the floating mixing and aeration system has proven to be highly effective and is gaining popularity not only in Sweden but also in other regions.

The product is explicitly shown and explained in the video:
https://www.youtube.com/watch?v=Lvxw86ygGec

Über die INVENT Umwelt- und Verfahrenstechnik AG

Umwelt- und Verfahrenstechnik AG is an innovative company in the environmental technology sector with headquarters in Erlangen-Eltersdorf and subsidiaries in the USA, Australia, the United Arab Emirates and Italy. INVENT was founded in the mid- 1980s by a group of fluid mechanics experts as a spin-off from the Department of Fluid Mechanics at the Friedrich-Alexander University of Erlangen-Nuremberg.

In 1995, the company was created in its current form through a management buy-out under the current CEO Dr.-Ing. Marcus Hoefken. In 2003, the company was transformed into a public limited company. INVENT develops, produces and sells innovative components and reliable systems for the energy-efficient purification and treatment of wastewater worldwide. The target group consists of both local authorities and industrial companies.

The range of services includes a portfolio of high-performance, high-quality products and services such as mixers, mixing and aeration systems, membrane aeration systems, water filters, CFD simulation & engineering. A complete system solution from INVENT consists of plant design, basic and detailed engineering, project management, delivery of the mechanical components, installation and commissioning of the plant as well as training of the plant personnel.

The idea of developing products for water and wastewater treatment from a fluid mechanical approach makes the company unique worldwide. The company attaches great importance to sustainable, professional and pragmatic solutions. All INVENT products are carefully developed at the company’s headquarters in Erlangen using state-of-the-art research facilities and taking fluid mechanics aspects into account. This includes an inhouse fluid mechanics laboratory and various large-scale test facilities.

INVENT’s aim is to position itself as the global market leader in the field of stirring and mixing technology. After all, the Erlangen-based company sees itself as a pioneer in environmental technology.

Firmenkontakt und Herausgeber der Meldung:

INVENT Umwelt- und Verfahrenstechnik AG
Am Pestalozziring 21
91058 Erlangen
Telefon: +49 (9131) 690980
Telefax: +49 (9131) 6909899
https://www.invent-uv.de/

Ansprechpartner:
Anke Eisemann
Marketing
Telefon: +49 (9131) 69098-0
E-Mail: aeisemann@invent-uv.de
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