PASSAVANT Energy & Environment GmbH (formerly Passavant-Roediger GmbH)

Passavant-Roediger stands for tradition, experience and development. In the field of water, waste, wastewater and sludge treatment. Our main activities in environmental technology are: Engineering, technology, complete equipment delivery and technical services for municipal wastewater treatment plants worldwide; Turn-key plants for municipal and industrial wastewater treatment; Engineering, technology, complete equipment delivery and technical services for sludge digestion plants, digester gas treatment and utilization; Advanced equipment for aeration, mechanical sludge thickening and dewatering; Advanced technology, engineering, complete equipment and technical services for extended wastewater treatment facilities (e.g. for wastewater re-use for industry or infrastructure purposes); Waste treatment (thermophilic anaerobic bio-waste fermentation); Potable water treatment; Industrial water treatment; Design, engineering and complete equipment for thermal sludge drying plants.