International Water Expert

Specialist in Water, Wastewater and Environmental Technology

German Consultancy Office


Albert-Lezius Str. 62
D-23562 Lübeck

over twenty-five years’ experience in the field of water and wastewater treatment with specialist advice and guidance to clients all over the world


My work as independent expert and consultant is based on my well-founded professional interdisciplinary international university education as well as on more than 25 years of practical experience in the field of R&D, planning, construction and operation of industrial and municipal environmental systems.

This extensive know-how and experience is available to my customer in the event of malfunctions of existing plants and for the development of new treatment plants.

In addition to in-depth knowledge of all conventional mechanical, physical-chemical and biological technologies in planning, construction and operation, I offer specific technical know-how in the field of biological biofilm processes such as fixed bed systems, biofiltration, floating bed processes, SBR reactors, membrane technology and for small wastewater treatment plants.

I look forward to hearing from you and stay with best regards


DUESS Dr.-Ing. Andreas Ruediger