OTT Group

OTT Group is a German manufacturer of high-performance aeration systems for municipal and industrial wastewater treatment plants. The company’s aeration expertise dates back to the development of its first diffuser in 1986, and today OTT is known for reliable oxygen transfer in biological wastewater treatment processes.

OTT equipment is used in aeration tanks and bioreactors, where aeration quality directly affects treatment efficiency, energy consumption and process stability. The manufacturer focuses on long service life, high oxygen transfer efficiency and dependable operation under continuous load. These systems are especially valuable for plants that need to reduce operating costs and maintain predictable wastewater treatment performance over many years.