Bigard Quipmperle aeration basin

Energy-saving upgrade of existing aeration system

At the wastewater treatment plant of a French meat processor in Quimperlé, the existing surface aeration system was due for replacement. The existing aerators were nearing the end of their technical service life and no longer met the organisation’s ambitions in terms of energy efficiency and sustainability. The challenge was to modernise the aeration process without making major alterations to the existing plant.

Location 1

Location:
Quimperlé (F)

Client

Client:
Bigard

Market

Market:
Meat processing industry

Year of completion

Year of completion:
2025

What we delivered

For this project, we supplied two Landustrie surface aerators, type Landy-7, with a power rating of 37 kW. Thanks to the retrofit design, the new aerators could be installed directly into the existing aeration basin, meaning no civil engineering work was required. The installation was carried out without interrupting the treatment process.

The new aerators operate using a time-controlled aeration programme that is tailored to the process conditions and the high level of contamination in the wastewater from meat processing. This has not only improved oxygen transfer but also optimised process control.

Why this solution?

Find out how a Landy surface aerator could work for you

Technical details

Type
Landy-7

Diameter
1,700 mm

Efficiency
2.3 kg O₂/h

Speed
57 rpm.

Oxygen transfer
68 kg O₂/h

“With the new Landy-7 aerators, we are achieving significant energy savings, whilst the treatment process remains just as effective as before. The solution is easy to install, user-friendly and fully meets our expectations.”

Mr T. Deboom Environmental Project Manager
Quimperle aerator drive unit

Project in pictures

From placement to final result - a compact project with great impact.

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Group photo, edited for website 1