+ 3 SBR Tanks

+ 3200 MAGNUM® Diffusers with FLEXSIL®Membranes

+ 135 AirRex® Laterals

+ Startup in 2018

+ 1998: Plant start-up, 2,200,000 People Equivalent

+ 2003-2008: Test of 9 different diffuser types

+ 2009: Installation of 29,000 MAGNUM® FLEXSIL® Diffusers

+ 2010: at an off gas performance test OTT exceeded the required SOTE

• 2,500,00 People Equivalent

In 2008 Change of the existing coarse bubble aeration systemto an OTT HE® Systemwith 16,000MAGNUM® FLEXSIL® diffusers

+ Actual energy saving 39%or 440,000 USD per year due to the high efficiency of the HE®

+ 12070 MAGNUM® Diffusers with FLEXSIL®Membranes

+ 40 AirRex® Laterals

+ Startup in 2018

Customer: BASF

Plant location: Lampertsheim, Germany(other BASF plants equipped with equivalentOTT systems)

Installed in: 2012

Wastewater chloride content: 15,000 mg/L

Equipped with:

2 fixed aeration grids (316 grade

+ 270 D-REX® Disc Diffusers

+ Liftable stainless steel grids for two tanks

• WWTP Gelting

• WWTP Neubrandenburg

• WWTP Kappeln

• SEGHERS Unitanks

+ 1070 MAGNUM® Diffusers with FLEXNORM®

+ 64 AirRex® Laterals

+ Startup in 2014

+ 2299 MAGNUM® Diffusers with FLEXSIL®Membranes

+ 144 AirRex® Laterals

+ Startup in 2014